Final answer:
Maturation is the physical growth and development of the body, brain, and nervous system, marking key stages such as puberty where individuals become capable of reproduction. It's a component of lifespan development, which studies the changes from conception to death, and is influenced by both genetic and environmental factors.
Explanation:
Maturation is defined as the physical growth and development of the body, brain, and nervous system. This process encompasses the changes and growth that a person goes through, often highlighted during puberty when sexual organs mature and individuals become capable of reproduction. Maturation is an intrinsic development sequence guided by genetic factors but can be influenced by environmental factors as well. It is crucial in the context of lifespan development, which studies how individuals grow and change from conception to death. The nature versus nurture controversy further explores how both genetic predispositions (nature) and environmental influences (nurture) guide this growth and development, affecting traits such as personality, intelligence, and physical characteristics in complex ways. Understanding maturation and its role in human development provides insights into the comprehensive process of becoming mature, encompassing physical, cognitive, and psychosocial growth.
1. What is the percent increase in carbon dioxide in the atmosphere between 2015 and 2019? Between 1960 and 2015?
Answer:
2. Explain the fluctuation in the carbon dioxide levels each year.
CAN SOMEONE HELP ME WITH THIS? IT WORTH HALF OF MY GRADE I WILL GIVE BRAINLIST ASAP
Answer:
1. Between 2015. and 2019. is 2.977667493796526% and between 1960. and 2015. its 27.129337539432175%
2. Carbon dioxide fluctuation is a direct response due to photosynthesis and respiration increase in spring and summer and decrease in fall and winter
Explanation:
The percentage of carbon dioxide in the atmosphere varies. An WMO report shows that from 2015-2019, there has been a continued increase in carbon dioxide (CO2) levels and CO2 growth rates nearly 20% higher than the the other previous five years.
Studies has also shown that due to the annual growth rate of atmospheric carbon dioxide, it rate has been tripled. That is from 0.6 ppm per year in the early 1960s to an average 2.1 ppm in the past 10 years.The amount of CO2 found in the atmosphere is known to varies every year. Studies has shown that this variation is because of the role of plants in the carbon cycle.
Plants are known to use CO2 from the atmosphere when using the sunlight and water so that they can produce food and other substances that they need to survive and thrive.
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a cell will usually undergo apoptosis if the cell experiences dna damage that could lead to a tumor. Predict what may happen if a gene that controls apoptosis is damaged
Answer:
P⁵³ gene called as tumor suppressor gene is responsible for apoptosis.
Explanation:
The protein which encodes the gene belongs to a family of protein that have 3 members P⁵³,P⁶³ and P⁷³.
P⁵³ is known as tumor suppressor protein that is responsible for apoptosis of cells.
This protein is encoded by TP53 gene.This is important and play a crucial role in cell cycle an thus functions as tumor suppressor which involved in preventing cancer.Thus it is called called as "Guardian angel gene".
It not only function as anti cancer but also participate a crucial role in apoptosis,genomic stability and inhibition of angiogenesis.
It can also activate certain proteins that are which helps in DNA repair process.
Answer:
If damage is beyond repair the cell will normally send itself into apoptosis, ensuring that it will not pass on its damaged DNA.
Explanation:
Which is the pancreatic hormone associated with diabetes?
a. Glycogen
b. Glucagon
c. Insulin
d. Bile
e. Glucose
Answer:C
Explanation:
What major body structures belong to the digestive system
Answer:
The major body structures belonging to the digestive system include: The mouth, esophagus, stomach, small intestine, large intestine and rectum.
Explanation:
The digestive system is one of the major body systems in humans. It is responsible for the intake, breakdown and processing of food for energy and other necessary nutrients needed by the body for survival.
The mouth play a vital role in the process of digestion. The teeth help to chew food into smaller bits, the tongue helps push food into the esophagus. The digestion of certain food class like carbohydrates begin in the mouth through the secretion of ptyalin.
The esophagus is the passageway where food passes to the stomach.
In the stomach, food is digested through the secretion of hydrochloric acid which is naturally found in there. The hydrochloric acid further helps breakdown food for easy absorption and also destroy pathogenic substances.
From the stomach food moves into the small intestine where the actual absorption of nutrients occur through it's walls. The small intestine is divided into the duodenum, ileum and jejunum.
From the small intestine food moves to the large intestine where further processing and secretion of waste is done.
The wastes then move into the rectum for excretion through the anus.
Insulin A) is released during fasting periods, such as between meals. B) increases blood glucose levels after meals. C) stimulates cells to break down glycogen for energy. D) helps glucose enter cells.
Answer:
The correct answer is D) helps glucose enter cells.
Explanation:
Insulin is a hormone that is released by the beta cells of the pancreas. It is released when the glucose level in the blood gets increase from its normal level.
Insulin helps in reducing the blood glucose level by making the blood glucose to enter the cells so that the blood sugar level gets to normal level and cells can get energy. Insulin also helps in storing glucose in the form of glycogen in the liver and muscles. Glucagon is the hormone that works antagonistic to insulin.
Insulin is secreted by the pancreas in response to elevated blood glucose levels, often after a meal, and helps to reduce blood glucose by facilitating its uptake into cells and stimulating glycogen formation in the liver.
The hormone insulin has several functions related to blood glucose management. When blood glucose levels rise, for example after a meal, the pancreas releases insulin. This hormone helps to lower blood glucose levels by enhancing glucose uptake into cells like muscle cells and the liver, and by stimulating the liver to convert glucose into glycogen, which can be stored for later use. Insulin also increases the number of glucose transporters in the cell membranes, enabling more glucose to enter cells where it is used for ATP production, or converted into fat for storage.
Therefore, the correct answer to the question: Insulin A) is released during fasting periods, such as between meals. B) increases blood glucose levels after meals. C) stimulates cells to break down glycogen for energy. D) helps glucose enter cells, is D) helps glucose enter cells.
Imagine you are a red blood cell sitting in the right atria of the heart. Write a paragraph that describes what happens to this red blood cell as it moves through the body. What structures will it pass through
Answer:
Blood requires to be oxygenated and for that reason to avoid the mixing of the two forms or types of blood with different properties and characteristics. As, the blood inside the human body is either in the oxygenated form or it is in the deoxygenated form, while the whole characterizing of the blood medium is based upon the presence of the oxygen,O₂ and carbon dioxide,CO₂ inside it. While, the lungs are there for the oxygenation of the blood inside the human body, which is comprised of the small air sacs or alveolar bodies for the oxygenation of the blood supplied to it by the pulmonary artery from the right auricle. As, the blood supplied from all over the body is transported back to the heart through the superior and inferior venacava pouring the deoxygenated form of blood in to the heart. As the blood remains there for less then a second and goes into the right ventricle carrying it to the pair of lungs through the pulmonary artery.Inside the lungs the alveoli treats the material present inside the blood medium, which is processed through the process of respiration and oxygen is added to it while the carbon is removed and extracted from the body of the human being.As, the purified form of blood is sent back to the heart via the pulmonary artery, which pours the blood back into the left auricle.Provide TWO reasons why the genotype and phenotype frequencies do not match in the Tadjik population. (Hint: Think about the methods used to obtain the data and the differences between what is represented by genotype and phenotype data.)
Answer:
The reason why the genotype and phenotype frequences do not match is just because the 1) The genotype based on genes observation,while the phenotype based on physical appearance of the organism externally
Explanation:
the genotype is looking on the arrangement of genes in pair and get its frequency ,while phenotype the external physical appearance of organism is observed to get frequency
Final answer:
The discrepancy between genotype and phenotype frequencies in the Tadjik population may be due to incomplete penetrance, where individuals do not exhibit the expected phenotype, and inaccuracies in phenotype measurement, reflecting challenges in capturing the full scope of observable traits.
Explanation:
Understanding why the genotype and phenotype frequencies do not match in the Tadjik population involves considering both biological principles and methodological issues. Firstly, it's important to recognize that genotypes refer to the genetic makeup of an organism, comprising alleles received from both parents. Phenotypes, however, are the observable characteristics or traits of an organism, influenced not only by genotypes but also by environmental factors.
One reason for the discrepancy between genotype and phenotype frequencies can be attributed to incomplete penetrance. This genetic phenomenon occurs when individuals with a certain genotype do not exhibit the expected phenotype due to interactions with environmental factors or other genes. This could significantly affect the observed phenotype frequencies in a population if the condition with incomplete penetrance is common within that group.
The second reason involves the accuracy of phenotype measurement. Phenotypic characteristics can sometimes be challenging to measure accurately due to variability in expression levels, environmental influences, or the subjective nature of certain traits. These issues can lead to discrepancies in the reported phenotype frequencies, especially if the data collected does not adequately capture the diversity or intensity of traits within the population.
Which are the following is a true statement about prions?
A. They are viruses
B. Are the cause of Ebola
C. They are composed of misshapen proteins
D. Usually infect plants
Answer: Option C) C. They are composed of misshapen proteins
Explanation:
Prions are infectious agents that contain protein but no nucleic acids (DNA or RNA). Prions have been implicated in the causative agent in several diseases such as:
- Mad cow's disease
- Creutzfeldt-Jakob disease etc
Your friend just spent a day at the beach but forgot to use sunscreen. That evening, she complains of a great deal of pain, and you notice that her skin is red and beginning to form large blisters. What type of burn has she suffered?
The niche of a species is the functional role of that species in the community that it belongs to. Species that have narrow niches (have very specific resource requirements) are said to be ________, while species that have broad niches (able to use a wide array of resources) are known as
Explanation:
Niche is the role played by an organism that how it lives in an environment
Specialists
Species that have narrow niches are called specialists and this type of niche is called realized nicheIt is narrow because of the presence of ecological barriers and is the space where a species actually livesGeneralists
Species that have broad niche are called generalists and this type of niche is called fundamental nicheIt is larger than the realized niche due to absence of ecological barriers It represents all the environmental conditions where a species is able to live or can liveJoanne is a 60-year-old patient with an LDL of 132 and a family history of coronary artery disease. She has already tried diet changes (increased fiber and plant sterols) to lower her LDL and after 6 months her LDL is slightly higher. The next step in her treatment would be:
A. A statin
B. Niacin
C. Sterols
D. A fibric acid derivative
Answer:
The correct answer is option A. "A statin".
Explanation:
Statins a type of drug that are prescribed to treat people that are at high risk of developing a cardiovascular disease. Since Joanne is a person with history of coronary artery disease and her LDL levels remained high after trying diet changes, the next step in her treatment will be to take a statin drug. It has been proved that statin are among the most effective drug at lowering LDL levels, therefore, a treatment with a statin will be effective for Joanne's condition.
Put the events of a reflex arc in order from the first event through the last event. 1. CNS sends output via motor neurons to an effector. 2. Sensory neurons bring the stimulus to the CNS. 3. The muscle contracts. 4. CNS processes and integrates the information. 5. Sensory receptor detects the stimulus
Answer:
1. Sensory receptor detects the stimulus
2. Sensory neurons bring the stimulus to the CNS
3. CNS processes and integrates the information
4. CNS sends output via motor neurons to an effector
5.The muscle contracts
Explanation:
Reflex arc is the neuronal pathway by which a reflex is produced from a stimulus. The sensory receptors detect the stimulus and send the signal to brain through sensory neurons. The central nervous system integrate the information and send response through motor neuron which produce the physiological effect.
Example; The thermal receptors detect high temperature and send signal to CNS through sensory neurons. The CNS integrate the information and send signal to corresponding muscles such as blood vessels to dilate and sweat gland to activate through motor neurons.
The reflex arc begins with the detection of the stimulus by sensory receptors, which relay this information to the CNS via sensory neurons. The CNS processes and integrates the information (option 4)and then sends the instruction for response via motor neurons to the muscles which in turn contract eliciting the reflex action.
Explanation:A reflex arc is a neural pathway that controls an action reflex. The events of a reflex arc take place in a particular order to ensure a quick and appropriate response to a particular stimulus. Let's go through these events in sequential order:
Sensory receptor detects the stimulus: The reflex arc begins when the sensory receptor detects a harmful stimulus.Sensory neurons bring the stimulus to the CNS: The sensory neurons carry the information about the stimulus to the Central Nervous System (CNS).CNS processes and integrates the information: The CNS processes the information received and prepares the body for appropriate response.CNS sends output via motor neurons to an effector: The CNS sends motor impulses via motor nerves to the muscles.The muscle contracts: On receiving the signals from motor neurons, the muscles (effectors) contract which triggers the reflex action.so the correct option is 4.Learn more about Reflex Arc here:https://brainly.com/question/32286035
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Fill in the blanks.1. The specific location within an enzyme molecule where the substrate binds is called the:_______ . 2. During an enzymatic reaction, a molecule of binds to the enzyme and is broken down into one or more molecules of , __________which are released. 3. A_____________ is a molecule that can bind to an enzyme and prevent the enzyme from working. 4. Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while lactase itself remains unchanged. Lactase is an example of a_____________ . 5. The___________ between an active site and its substrate often strains bonds and helps the reaction proceed.
Answer:1. enzymes active site, 2. substrate, 3. inhibitor, 4. an enzyme, 5. induced fit
Explanation: hope this helps
The terms required to fill in the blanks in the student's question are, in order, 'active site', 'substrate', 'products', 'inhibitor', 'catalyst', and 'interaction'. This is in regard to the biological process of catalysis by enzymes.
Explanation:1. The specific location within an enzyme molecule where the substrate binds is called the: active site. 2. During an enzymatic reaction, a molecule of substrate binds to the enzyme and is broken down into one or more molecules of products, which are released. 3. An inhibitor is a molecule that can bind to an enzyme and prevent the enzyme from working. 4. Lactose takes years to break down on its own. But if exposed to the protein lactase, the reaction proceeds very quickly, while lactase itself remains unchanged. Lactase is an example of a catalyst. 5. The interaction between an active site and its substrate often strains bonds and helps the reaction proceed.
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Retaining the zygote on the living gametophyte of land plants _____.
Answer: i would probaly go with C
Explanation:
In the reproduction of land plants, the zygote is retained within the gametophyte, which provides protection and resources for the growing embryo and developing sporophyte. This characteristic feature of embryophytes is vital for the protection of the vulnerable embryo from environmental hazards and is a unifying feature across all land plants.
Explanation:Retaining the zygote on the living gametophyte of land plants is a significant step in the reproductive cycle. This retention is a characteristic of all land plants, which are sometimes referred to as 'embryophytes' due to this very feature. The embryo that develops from the fertilized egg (zygote) remains attached to the gametophyte, not only ensuring a stable development environment with resources provided by the gametophyte but also protecting the developing sporophyte. Additionally, the female gametophyte sustains the zygote and eventually the young sporophyte, shielding it from environmental stressors like desiccation, further highlighting the critical role gametophytes play in nurturing the new generation of plants.
This process occurs in all plants and is analogous to the retention of the egg within the organism that produces it in some green algae. It is also observed in various other plant groups, where the entire female gametophyte is embedded in the diploid plant, a situation reminiscent of seed plants. The male gametophyte also shows retention, though temporarily, as microspores are kept within the microsporangium of the parent plant for initial development before being dispersed to complete its life cycle.
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Cells are infected with a vesicular stomatitis virus (VSV) strain in which a viral gene (VSVG) is fused to the green fluorescent protein gene. When the chimeric protein is synthesized, what pathway does it follow from synthesis until it leaves the cell?
Options:
RER, Golgi complex, plasma membrane, viral envelopes RER, Golgi complex, viral envelopes, plasma membrane Golgi complex, RER, plasma membrane, viral envelopes.RER, Golgi complex, mitochondria, plasma membrane, viral envelopes RER, mitochondria, Golgi complex, plasma membrane, viral envelopesAnswer:
Option-(5): RER, mitochondria, Golgi complex, plasma membrane, viral envelopesExplanation:
The cellular organelles are well arranged in a given systematic order to execute the process for the synthesis of the chimeric protein inside the living being body.
"Which of the following is evidence that mitochondria have an endosymbiotic origin? A. They contain their own DNA B. They produce ATP C. They are enclosed by a membrane D. Mitochondrial diseases are maternally inherited"
Answer:
A. They contain their own DNA
Explanation:
Mitochondria is a eukaryotic cellular organelle which is thought to be evolved by the symbiotic relationship between the prokaryotes and the proto-eukaryotes.
The mitochondria were once a free-living prokaryote which during the course of evolution was engulfed by the proto-eukaryote. They formed the symbiotic relationship with each other and the prokaryote evolved into the mitochondria.
There are many pieces of evidence which suggest the endosymbiotic hypothesis one of which is provided in the option is that they contain their own DNA just like the prokaryotes that is one circular DNA present in their cytoplasm not enclosed by the
Thus, Option-A is correct.
What are the characteristic of the domain bacteria?
Answer:
unicellular
Explanation:
The subdivision of the peripheral nervous system that consists of nerves that control all of the involuntary muscles, organs, and glands is called the ________ nervous system
Answer:
The Autonomic Nervous System is that part of PNS consisting of motor neurons that control internal organs. It has two subsystems. The autonomic system controls muscles in the heart, the smooth muscle in internal organs such as the intestine, bladder, and uterus.
The subdivision of the peripheral nervous system that controls involuntary muscles, organs, and glands is called the autonomic nervous system. It functions without our conscious awareness and is responsible for vital functions such as heart rate, breathing, digestion, and body temperature.
Explanation:The subdivision of the peripheral nervous system that consists of nerves that control all of the involuntary muscles, organs, and glands is called the autonomic nervous system. This system functions without our conscious awareness and is responsible for controlling vital functions such as heart rate, breathing, digestion, and body temperature. The autonomic nervous system can be further divided into two main branches: the sympathetic and parasympathetic nervous systems, which typically have opposing effects on the organs they innervate.
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What is the relationship between choanoflagellates and animals?
Answer: It's the cells, just without the chloralplast , but animals don't need that because only plant cells have chloralplast. So animals only get theses type of cells if they a herbivores,or omnivores because they eat plants and it helps them survive that way
Explanation:
Choanoflagellates are unicellular organisms considered to be the closest living relatives of animals, sharing key morphological and genetic features with metazoans, especially sponges. Their similarities in the structure of feeding cells and expression of certain genes highlight the evolutionary relationship, suggesting that these protists may parallel the earliest animal forms.
The relationship between choanoflagellates and animals, particularly metazoans (multicellular animals), is a significant area of interest in evolutionary biology. Choanoflagellates are a group within the Opisthokonta and are considered the closest living relatives of animals. These protists are mostly unicellular, but some can form colonies, and they number about 244 described species.
Choanoflagellates share some key characteristics with sponges, suggesting a close evolutionary relationship. Both choanoflagellates and sponge collar cells possess a single apical flagellum surrounded by a contractile collar of microvilli, which functions to filter food particles from the water. This similarity points to a possible common ancestor and indicates that choanoflagellates may resemble the earliest forms of animal life.
In addition, choanoflagellates express genes for several proteins essential for cell-cell interactions in metazoans, thereby highlighting the genetic and functional ties between these protists and multicellular animals. Their morphology and genetic attributes provide crucial insights into the evolution of animals from single-celled ancestors.
Thus, studying choanoflagellates can help us better understand the origins of complex multicellularity and the evolutionary trajectory that led to the vast diversity of animals observed today.
Colors such as brown or gray are created by mixing: a) primary and tertiary colors in equal proportions b) tertiary and secondary colors in equal proportions c) primary, pure and tertiary colors in unequal and equal proportions d) primary, secondary and tertiary colors in unequal and equal proportions
Colors such as brown or gray are created by mixing primary, secondary and tertiary colors in unequal and equal proportions.
What are primary colors?Primary colors are three major colors (i.e., blue, green, and red) means that can be used to produce the white color.
These colors (primary colors) can be used to create all range of colors in the visible spectrum.
In conclusion, colors such as brown or gray are created by mixing primary, secondary and tertiary colors in unequal and equal proportions.
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A cell with three pairs of chromosomes has the genotype Aa Bb Cc, with each locus on a different chromosome. If this cell were to undergo mitotic division, how many genetically different types of daughter cells could be produced?
Answer:
Same type of daughter cells
Explanation:
The process of mitosis form two daughter cells with the same number of chromosomes but the meiosis form four different daughter cells with a different number of chromosomes.
Also, the meiosis produces genetically different cell as the meiosis I is marked with the crossing over events which produces different genetic combination in the cell. In the given question, since the cell divides with the mitosis therefore the daughter cells will be produced with the same type of genetic material.
Thus, the same type of daughter cells is correct.
You find a multi-legged animal in your garden and want to determine if it is a centipede or a millipede. You take the animal to a university where a myriapodologist quickly tells you that you have found a centipede. Which of the following may have allowed her to make this distinction?A) segmentationB) poisonous fangsC) egg-layingD) molting
Answer:
B) poisonous fangs
Explanation:
Centipedes and millipedes are jointed legs animals. Centipedes are members of the class chilopoda and millipedes are members of the class diplopoda of the phylum Arthropoda.
Presence of poisonous fangs in the centipedes differentiate them from millipedes. Nutritionally centipedes are carnivorous, they kill prey or paralyze prey with large jaws. Unlike the centipede, millipedes are feed on dead and decaying organic matter such as leaves and compost.
Final answer:
The myriapodologist identified the multi-legged animal as a centipede likely due to its poisonous fangs (C) called forcipules and because it has one pair of legs per body segment.
Explanation:
The myriapodologist was able to quickly determine that the multi-legged animal you found in your garden is a centipede most likely due to the presence of poisonous fangs, known as forcipules. These forcipules are modified legs on the first segment of centipedes like Scutigera coleoptrata, capable of delivering venom to their prey, which is a distinctive feature of centipedes. Another key difference between centipedes and millipedes that could have aided in identification is that centipedes have one pair of legs per body segment and tend to be somewhat dorsoventrally flattened, while millipedes have two pairs of legs per body segment due to the embryonic fusion of adjacent segments and are usually rounder in cross-section.
Pseudomonas aeruginosa causes the top of an open (aerobic) OF tube to turn yellow. However, an oil-covered (anaerobic) OF tube inoculated with the same strain remains entirely green. What is the best explanation for these results?
Answer:
This bacterial strain oxidizes glucose.
Explanation:
Pseudomonas aeruginosa belongs to the class of the gram negative bacteria and are found ubiquitous in nature. These bacteria can cause diseases in plant as well as in animals.
The bacteria has the ability to undergo the process of both the aerobic and anaerobic respiration depending on the availability of glucose. The presence of green color determines that the bacteria has oxidized the glucose present in the medium.
describe the role of cellular respiration in a plant???
Answer:
The process of cellular respiration allows plants to break down glucose into ATP.
Explanation:
Although plants use photosynthesis to produce glucose, they use cellular respiration to release energy from the glucose.
The African finch Pyrenestes is an example of A. guided selection. B. stabilizing selection. C. uniform selection. D. directional selection. E. diversifying selection.
Answer:
E. diversifying selection.Explanation:
Natural selection is a mechanism that plays an important role in the process of evolution. On the basis of factors and mechanisms, it is classified into many classes such as diversifying selection, directional selection and some other.
Diversifying selection is such kind of natural selection that favored extreme values of the trait on intermediate values. It is also called as disruptive selection.
The African finch Pyrenestes exemplifies diversifying selection, which favors multiple distinct phenotypes within a population, leading to a wide range of advantageous traits such as variations in beak size.
The African finch Pyrenestes is an example of E. diversifying selection. Diversifying selection, also known as disruptive selection, occurs when natural selection favors two or more distinct phenotypes within a population, often leading to greater genetic variance. In the context of Pyrenestes finches, this form of selection has resulted in significant variation in beak size among individuals within the same species, primarily due to the different types of seeds available as food sources in their environment. Some finches have evolved larger beaks suitable for cracking hard seeds, while others have smaller beaks ideal for softer seeds, illustrating how diversifying selection encourages a range of advantageous traits.
The epidermis receives blood containing oxygen and nutrients from ________
Answer:
From arteries in the connective tissue below.
Explanation:
The dermis is mainly divided into two regions Papillary region, and the Reticular region. These help to protect the body from strain, stress, also helps in a sense of touch, and elasticity to the skin.
Dermis lies under the epidermis. Dermis containing blood vessels that help to nourish the skin with nutrients and oxygen. The blood vessels also help to allow the immune cells to come in connect with the skin to fight with an infection. These blood vessels also help in carrying out waste products.
The epidermis receives blood containing oxygen and nutrients from the dermis through diffusion, as it contains no blood vessels itself. The dermis, which lies beneath the epidermis, has the necessary blood vessels to supply these vital substances. This process ensures that the epidermal cells get the nutrients required for their functions.
The epidermis receives blood containing oxygen and nutrients from the underlying dermis. The epidermis is the outermost layer of the skin and does not contain any blood vessels. Instead, it relies on the dermis, the thicker inner layer of the skin, which contains blood vessels that provide oxygen and nutrients through a process called diffusion.
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Cortisol is a useful adrenal hormone because it _____.
a. always is part of a negative feedback loop
b. ensures that adequate glucose is available to the brain when needed
c. causes all cells to take up glucose
d. reduces the size of the hippocampus
e. cannot be subject to overproduction
please help me with this
Answer:
Cell membrane present, ribosome present, lysosomes present, nuclear membrane present: Animals
Cell wall present, ribosomes present, nuclear membrane absent: Prokaryotic
Cell wall present, ribosome present, nucleus present, large vacuole present: Plants
Reproduces inside a cell, Nucleus absent, RNA present : Virus
Explanation:
Animals are multicellular organisms which do not possess cell wall. Hence option 1 represent animals.
Prokaryotes have cell wall but lack nuclear membrane. Hence, option 2 represents prokaryotes.
Plant cells have a cell wall, a nuclear membrane as well as a large nucleus. Hence option 3 is plants.
An increase in blood glucose levels will lead to: All of these choices are correct. a breakdown of glycogen in the liver. increased insulin production. a breakdown of glycogen in the muscles. increased glucagon production.
Answer: increase in blood level of glucose will lead to increased insulin production.
Explanation:
Blood glucose level is the concentration of glucose (simple sugar) in the blood of humans and other animals. The body functions by regulating blood sugar level tightly as a part of body haemostasis.
Excess glucose intake in blood result to glucogen production (glycogenesis). A process whereby glucose is stored as glycogen in liver cells and skeletal muscles.
Blood glucose level is regulated by two hormones as part of haemostasis which are:
-Catabolic hormones (glucagon, cortisol and catecholamines)
-Anabolic hormones (insulin)
Glucagon responds to low level of blood glucose. It is secreted from alpha pancreatic cells. Once blood glucose level is low, it tells the tissues to generate more glucose by breaking down glycogen stored in skeletal muscles and liver cells.
Insulin is produced from beta pancreatic cells to respond to high level of glucose (simple sugar) in the blood. It lowers the level of blood glucose by informing the skeletal muscles and liver cells to take and store excess glucose as glycogen. Epinephrine gets the body muscles ready for 'fight and flight' response while cortisols generate the body fuel during stress.
Corbin recently found out that he has cancer, and he now strictly follows a treatment, diet, and exercise program that the doctor thinks will be helpful in keeping the cancer from spreading. These behaviors best illustrate ____ coping.
Answer:
Corbin recently found out that he has cancer, and he now strictly follows a treatment, diet, and exercise program that the doctor thinks will be helpful in keeping the cancer from spreading. These behaviors best illustrate problem-focused coping.
Explanation:
Problem-focused coping seeks to tackle the stressor head-on allowing the individual greater perceived control over their problem resulting in :
Managing and changing the stressorUse if problem seems alterableConfrontice copingPlanful problem solvingAs Cobbin is strictly following treatment, diet and exercise programs that the doctor thinks will be helpful in keeping the cancer from spreading, Cobbin is showing problem-focused coping.