This green pigment found in plants traps energy from the Sun for photosynthesis.
A) chlorophyll<=YOUR ANSWERB) chloroplast
C) plastid
D) peroxisome
What hormonal preparations are used to raise the sperm count in infertility cases?
Which is not a similarity that those with anorexia nervosa and bulimia nervosa share? they are fearful of becoming obese. they both experience substance abuse. they are both sexually experienced. they both have a heightened risk of suicide attempts?
As per studies about anorexia nervosa and bulimia nervosa, the following similar characteristics include being fearful of becoming obese, substance abuse and low self-esteem. Low self-esteem can result in suicide attempts, therefore; the only dissimilarity among the four choices is “that they are both sexually experienced.” No report is found to match this claim, at the same time, the typical onset of both diseases occur during early teens and late teen years, so they are far from being sexually experienced.
Which organ system of the body is responsible for removing foreign substances from the blood and aiding in fat absorption?
The lymphatic and digestive systems, particularly the liver, are responsible for removing foreign substances from the blood and assisting in the absorption of fats. Lacteals in the small intestine absorb fats, which are then transported to the bloodstream. The liver produces bile for fat breakdown and helps to detoxify blood.
Explanation:The Organ Systems Responsible for Foreign Substance Removal and Fat Absorption
Two organ systems are primarily responsible for removing foreign substances from the blood and aiding in fat absorption: the lymphatic system and the digestive system. The liver, as part of the digestive system, plays a pivotal role in detoxifying blood and in the digestion of fats. The liver produces bile required for the breakdown of fats in the duodenum and also processes vitamins and fatty acids. In addition, the liver synthesizes plasma proteins and filters blood.
The lymphatic system also contributes significantly to the process of fat absorption, particularly through structures known as lacteals. These are found in the villi of the small intestine and are responsible for absorbing digested lipids, which are then transported via the lymphatic vessels to the bloodstream.
The gallbladder supports the digestive system by storing and concentrating bile salts, aiding the liver in its digestive functions. Other organs, including the kidneys and spleen, are involved in filtering the blood, removing waste, and offering reservoirs for immune factors. However, it's the symbiotic functions of the liver and lymphatic system that directly handle both the removal of foreign substances from the blood and the absorption of fats.
Certain white blood cells engulf microorganisms to digest them, as a means of protecting the body from invaders. This process is described as
diffusion.
pinocytosis.
receptor mediated exocytosis.
phagocytosis.
Answer: phagocytosis
Explanation:
The phagocytosis is a process by which the cells utilizes their plasma membrane to engulf the large particles. The phagocytosis is the part of the immune system of the organism.
The phagocytosis is shown by the white blood cells of the body that encounter the invaders in the body like bacteria, virus, and other foreign particles to engulf and destroy them.
Phagocytosis is the process where white blood cells engulf microorganisms to digest them and protect the body from invaders.
Explanation:The process described in the question where certain white blood cells engulf microorganisms to digest them as a means of protecting the body from invaders is called phagocytosis. Phagocytosis is a type of endocytosis where solid particles are engulfed by the cell membrane and form a vesicle called a phagosome. Once inside the cell, the phagosome fuses with lysosomes to form a phagolysosome, where the microorganisms are digested by enzymes.
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When a composition has an even distribution of either actual weight or visual weight it has?
A scientist observes two cells. cell 1 and cell 2 both contain dna (genetic material) and ribosomes. however, cell 1 contains a nucleus and other membrane-bound organelles, which cell 2 does not.
A nurse is caring for a client with multiple myeloma. which laboratory value is the nurse most likely to see?
Multiple myeloma is cancer that forms in your plasma cells and causes cancer cells to accumulate in the bone marrow. Plasma cells are cells which help you fight infections by making antibodies that attack germs. If signs and symptoms develop like bone pain or nausea, a number of treatments can be done to help control your multiple myeloma.
A nurse caring for a client with multiple myeloma is most likely to see his blood count. Complete blood count (CBC), is done to measure the levels of red cells, white cells, and platelets in the blood. If there are too many myeloma cells in the bone marrow, the most common finding is a low red blood cell count.
Which term applies to the fact that the protozoan that causes malaria is very harmful and often kills its host?
A.
commensalism
B.
parasitism
C.
mutualism
D.
symbolism
The correct term is parasitism. That is option B.
Malaria is a type of disease that is usually caused by the bite of a female anopheles mosquito.
The insect transmits protozoan called plasmodium, which completes its cycle in the living human host with the display of the following symptoms:
Fever, headaches,anemiaSince the protozoan that causes malaria is very harmful and often kills its host, it has a parasitic feeding relationship with the host.
Parasitism is a mode of nutrition where an organism lives on or in another organism known as host, causing harm or death to the host.
Therefore the correct term is parasitism.
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Answer:
Its B Paraitisim
Explanation: Glad to help :)
Which anticodon pairs with the codon GAU?
A) CUA
B) GAU
C) CTA
D) GAT
Answer:
The correct answer would be A) CUA.
It can be explained with the help of base-pair complementarity rule. It states that adenine always base-pairs with thymine and guanine always base-pairs with cytosine.
In addition, in RNA, thymine is replaced with uracil and thus adenine base-pairs with uracil.
Anti-codon site of tRNA and codon site of mRNA are also complementary in nature.
Thus, in codon GAU, G would base-pair with C, A would base-pair with U, and U would base pair with A.
Hence, the correct anti-codon would be CUA.
A genetically engineered corn plant is approved for agricultural use. The plant produces pollen that can make its own toxins. These toxins protect the corn plant against pests. What is a likely impact on the farmer of growing such a variety of corn?
The financial costs for the farmer would be lowered.
Federal agencies could initiate legal action against the farmer.
The farmer may be held responsible for increasing chemical pollution.
The farmer's expenses for pest control would increase due to an increase in bee population.
Answer: The financial costs for the farmer would be lowered.
Explanation:
According to the given situation, the genetically grown corn is capable of producing the pollen which consists of toxins. These toxins will kill the pests. Therefore, it reduces the cost of pesticides. Hence, the overall financial costs for the farmer would be lowered.
Which of the following terms in Biology is best illustrated by the image below?
Selective Permeability
Fluid Mosaic Model
Independent Assortment
Facilitated Diffusion
The answer is Selective permeability
Covalent bonds between the sugar of one nucleotide and the _____ of the next nucleotide bond nucleotides together in a dna strand.
a. helix
b. sugar
c. phosphate
d. base
The right answer is phosphate.
DNA has a double helix structure (discovered in 1953 by James Dewey Watson, Francis Crick et al.).
DNA is a polymer of deoxyribonucleic bases, more commonly called nucleotides. Each nucleotide consists of a phosphate group (or phosphoric acid) bonded to a sugar, deoxyribose, itself linked to a nitrogenous base. These bases are four in number: adenine (denoted A), thymine (denoted T), cytosine (denoted C) and guanine (denoted G). The backbone of the DNA is formed by the sugar-phosphate repetition.
What is the role of dna polymerase during dna synthesis?
The role of dna polymerase during dna synthesis is that the dna polymerase synthesize the dna molecules during dna synthesis in which they contribute to the formation of dna as it is the way of building the blocks of Dna.
Again, frederick compares the treatment of slaves to the treatment of horses. how?
Frederick Douglass, in his writings and speeches, often drew parallels between the treatment of slaves and the treatment of horses to highlight the injustice and inhumanity of slavery.
He did this by pointing out that both slaves and horses were considered property and were subject to the whims of their owners. Here are some ways in which Douglass might have made this comparison:
1. Ownership and Value: Douglass noted that both slaves and horses were bought and sold as property. Their value was determined by their physical abilities and the needs of the market, rather than being recognized as individuals with their own rights and feelings.
2. Lack of Autonomy: Neither slaves nor horses had control over their own lives. They were both subject to the will of their masters, who decided where they would live, what work they would do, and how they would be treated.
3. Physical Treatment: Douglass observed that the physical well-being of both slaves and horses was of concern only insofar as it affected their ability to work. Both were subject to physical discipline and could be punished or rewarded based on their performance.
4. Care and Maintenance: The care given to slaves and horses was often similar, as both were essential to the economic productivity of the plantation. However, this care was not given out of compassion but out of a desire to maintain valuable property.
5. Branding and Identification: Just as horses might be branded or marked to indicate ownership, slaves were often subjected to similar practices, such as being given the last name of their owner or being branded in some cases.
6. Breeding: Douglass also abhorrently pointed out that both slaves and horses were sometimes bred for specific traits, a practice that completely disregarded their humanity and reduced them to mere commodities.
7. Emotional and Psychological Impact: Douglass emphasized the emotional toll of being treated as property, noting that both slaves and horses could suffer psychologically from harsh treatment, lack of freedom, and the constant threat of separation from their families or companions.
By drawing these comparisons, Douglass used the familiar and generally accepted treatment of animals to cast a light on the immorality of treating human beings in a similar manner. He effectively used this rhetorical strategy to appeal to the moral sensibilities of his audience, many of whom might have been more accustomed to thinking about the welfare of animals than the rights of slaves.
What portion of the nail plate is not visible on the body surface when using a hand magnifier?
1) The nail root is not visible on the body surface when using a hand magnifier. The visible parts include the nail body and free edge.
The portion of the nail plate that is not visible on the body surface when using a hand magnifier is the nail root. The nail root is the part of the nail plate that is embedded under the skin at the base of the nail, beneath the cuticle. The visible parts of the nail when using a hand magnifier are the nail body and the free edge.
Nail root: The part of the nail that is below the skin's surface and cannot be seen without specialized inspection techniques.The portion of the nail plate that is visible on the skin's surface is called the nail body. It reaches the free edge from the nail root.The portion of the nail that extends past the fingertip is known as the free edge. As the nail develops, it is visible and may be filed down.With a hand magnifier, you can see every part of the nail plate: This is untrue since you cannot see the nail root with a hand magnification.complete question:
What portion of the nail plate is not visible on the body surface when using a hand magnifier?
Nail rootNail bodyFree edgeAll portions of the nail plate are visible with a hand magnifier.In what way does a sunburn impair the body's ability to defend itself?
Sunburn, caused by excessive sun exposure, damages DNA and can lead to the development of cancerous cells. It also prompts a temporary defensive tanning response, can cause rapid skin aging, and impedes the skin's ability to maintain homeostasis and produce vital vitamin D.
Explanation:Excessive exposure to the sun results in sunburn, which hampers the body's defensive capacity in several ways. The UV-B and UV-C radiations from the sun cause damage to the DNA in the skin cells, leading to mutations and possibly forming cancerous cells. The body's response to this is tanning, a protective mechanism where pigments are produced in the inert skin layers to shield the underlying living cells.
However, this tanning response peaks about ten days after initial sun exposure and is temporary, with melanin-filled keratinocytes in the stratum corneum eventually sloughing off. Long-term or severe sunburn can also damage collagen fibers, accelerating skin aging and wrinkle formation. Furthermore, the sunburn can potentially cause dehydration, creating a conducive environment for pathogen invasion and skin infections. Lastly, sunburn can impede the skin's ability to maintain homeostasis and synthesize vitamin D, both critical to overall body well-being.
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Carlie engages in strict dieting and excessive exercise accompanied by binge eating, often followed by purging. carlie suffers from
Nobody is aware of a surefire strategy to stop bulimia nervosa. Following some lifestyle recommendations may lower a person's risk of getting the illness.
What are the common characteristics of bulimia nervosa?An eating disorder is bulimia.Next comes self-induced vomiting, laxative abuse, and other forms of purging. Usually influencing girls, bulimia develops during the adolescent years.
But there are so many variables that could affect how the disorder develops, including genetics, that it is challenging to determine what can stop it.
The following physical effects of bulimia can develop over time: stomach injury as a result of overeating.
Therefore, Unbalanced electrolytes (having levels of sodium, potassium, or other minerals that are too high or too low, which can lead to heart attack or heart failure) vomiting can cause ulcers and other throat-related injuries.
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Beginning with the flow phase, arrange the biochemical processes in the order in which they occur during the menstrual cycle.
Tiles
FSH and LH stimulate the follicles to develop and the oocyte to produce estrogen.
A breakdown of corpus luteum causes progesterone levels to drop.
A spike in LH causes the follicle to rupture.
The endometrial lining breaks down and low levels of estrogen stimulate the pituitary to release FSH and LH.
Rising estrogen levels suppress FSH production and development of other follicles.
High progesterone levels maintain the endometrial lining of the uterus.
Sequence
The sequence of the menstrual cycle starting with the flow phase is: endometrial lining breakdown, follicle development and estrogen production, suppression of FSH, LH spike and follicle rupture, progesterone maintaining the endometrial lining, and finally, the breakdown of the corpus luteum leading to decreased progesterone levels.
Explanation:To arrange the biochemical processes in the order they occur during the menstrual cycle beginning with the flow phase, follow this sequence:
The endometrial lining breaks down and low levels of estrogen stimulate the pituitary to release FSH and LH.FSH and LH stimulate the follicles to develop and the oocyte to produce estrogen.Rising estrogen levels suppress FSH production and development of other follicles.A spike in LH causes the follicle to rupture.High progesterone levels maintain the endometrial lining of the uterus.A breakdown of corpus luteum causes progesterone levels to drop.This sequence accounts for the fluctuation of hormones and their effects on the ovarian and uterine cycles.
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Frank has diabetes mellitus and his blood ph has dropped. what is the most likely cause of his acidosis? frank has diabetes mellitus and his blood ph has dropped. what is the most likely cause of his acidosis? a build up of urea increased glycolysis excess ammonia production lipoprotein metabolism excess ketone formation
The diagram represents three sections of a cell membrane showing three different methods involved in the transport of various molecules across the membrane.
State one reason why the movement of molecules in Method C represent active transport.
Method C represents active transport because molecules/ions move AGAINST a concentration gradient.
Active transport is a type of transport across biological membranes by which cells move substances/ions against a concentration gradient.
In active transport, substances move from a region of low concentration to a region of high concentration.
Moreover, active transport requires energy to catalyze the movement of substances against a concentration gradient, which is usually provided by the hydrolysis of ATP (the energy coin of the cell).
In conclusion, Method C represents active transport because molecules/ions move AGAINST a concentration gradient.
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The minimum amount of energy required to start a chemical reaction is the _____ energy.
Answer:
Activation Energy
Explanation:
Activation energy is the amount of energy required to transform the substrate to a high energy state. Once the substrate is transformed into the high energy state, further changes convert it into the product.
Hence, activation energy is the energy required to start a chemical reaction. In the absence of enough amount of energy available in the system, the chemical reaction can not start.
Which transformation requires a complete meltdown of the rock into magma?
A. igneous rock to sedimentary rock
B. sedimentary rock to metamorphic rock
C. metamorphic rock to sedimentary rock
D. sedimentary rock to igneous rock
E. igneous rock to metamorphic rock
Igneous rocks are formed by the cooling of the magma.
Sedimentary rocks are formed by weathering and erosion of igneous rocks and then consolidation of the sediments.
Metamorphic rocks are formed when igneous or sedimentary rocks are subjected to heat and pressure.
The metamorphic rocks melts and forms magma which in turn cools down to form igneous rocks.
Similarly, sedimentary rocks melt down and forms magma which cools down to form igneous rocks.
So, the igneous rock is formed by cooling of magma, which is in turn formed from sedimentary and metamorphic rocks.
Of the given options only one option has the resulting rock as igneous.
Hence the answer is
sedimentary rock to igneous rock
All growth of a flowering plant takes place within specialized tissues called
The growth of all flowering plant takes place within the specialized tissue called the meristems. They are tissues in the plants in which they have the role of dividing the plant’s cell and in the same way this is where the growth is being done.
Soil formation is most influenced by _____.
A.climate
B.plants
C.wind
D.animals
An amino acid is so named because its central carbon is linked to both an amino group and a __________. hints
An amino acid's central α-carbon is bonded to an amino group, a carboxyl group, a hydrogen atom, and a unique R group or side chain. This R group is what differentiates one amino acid from another and determines their individual characteristics.
Explanation:An amino acid is so named because its central carbon is linked to both an amino group (-NH₂) and a carboxyl group (-COOH). The central carbon, also known as the alpha (α) carbon, is bonded to four different groups making the structure of an amino acid very specific. In addition to the amino and carboxyl groups, the α-carbon is bonded to a hydrogen atom and an R group or side chain, which is unique for each amino acid and determines its properties.
Amino acids are the building blocks, or monomers, that make up proteins. The R group varies among amino acids, changing the chemical properties and giving each amino acid its identity. This is the key to the diverse range of proteins that can be built from these molecular building blocks. Understanding the structure of amino acids is crucial for grasping how proteins are formed and function.
The most common type of electronic evidence is
About how many kcalories would someone spend just resting for an entire 24 hour period?
Explain the relationship between homologous chromosomes and the relationship between sister chromatids. how are these relationships different from one another?
Homologous chromosomes are similar in size and shape. they have the same genes and originate from different parents. Sister chromatids are found in replicated and contain exact copies of the single double helica; molecule of DNA.
Actually homologous chromosomes can be defined as the chromosomes same in shape and size, and carry the genes of contrasting chaacteristics..Chromatids whic separate in metaphase of cell division are sister chromatids.
In order to survive bacteria need moisture oxygen and what
All the different plant populations make up the plant ___________ in this swamp. The plants are part of the bigger __________, that contains many biotic and abiotic factors.
A) community:biome
B) community:ecosystem
C) ecosystem:biosphere
D) population:community
All the different plant populations make up the plant community in this swamp. Plants are part of the bigger ecosystem, that contains many biotic and abiotic factors. Thus, option B is correct.
What are community and ecosystem?The community has been part of the biosphere that is defined by the population of various species inhabiting together at a place. The community only consists of biotic factors like living organisms of different species.
Ecosystems, on the other hand, are part of the biosphere that consists of the geographic area including animals and plants of various populations along with the food, water, air, trees, energy cycles, and other non-living factors. They are composed of biotic and abiotic factors.
Therefore, option B. community and ecosystem are correct blanks.
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