Answer:
The answer is >A<
Answer:
An explanation accounting for the differences in density between the Earth and moon.
Explanation:
The co-accretion theory states that the moon and the Earth were likely formed at the same time. This theory proposes that the moon was formed from debris that came from the original nebula that formed the solar system. This theory is advantageous in many ways. For example, it would explain the heat that was necessary to create the magma ocean that we know existed on the moon. However, if the theory was right, the Earth and the moon would most likely share more characteristics, such as gravity force and density.
Which agency are the speakers MOST LIKELY discussing?
a.the Federal Reserve System
b.the Department of Commerce
c.the Financial Management Service
d.the Office of Management and Budget
Answer:
C
Explanation:
If you study ecology what are you studying
Answer:
If you study ecology then you are studying plants
Ecology is the study of life.
Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?
Answer:
The correct option is LYSOSOMES.
Explanation:
The options attached to the question above are as follows:
A. Golgi apparatus.
B. Lysosomes.
C. Ribosomes.
D. Endoplasmic reticulum.
Lysosomes are membrane bound organelle in animal cells that are responsible for breaking down and recycling of biochemical substances. They take in, break down and digest waste products and dead cell organelles. Due to the functions that they perform, they are sometimes refers to as the cell garbage disposal. Any malfunctioning of the lysosomes will lead to build up of waste materials in the body cells; this is because the lysosomes' ability to take up and destroy the waste materials would have been impaired.
Answer:
Answer lysosomes
Explanation:
Which kingdom was divided into two, changing the five-kingdom classification system to the six-kingdom classification system? A. Protista B. Monera C. Plantae D. Fungi
Answer:
the answer that i got is A. i think this is right, i am sorry if that is not the right answer and hope this helped
Monera was divided into two, changing the five-kingdom classification to the six-kingdom classification.
What is monera?Monera is a classification used to describe unicellular prokaryotic microbes(micro-organisms) which we call now as Archae and Bacteria. Prokaryotic organisms are single-celled organisms that don't have a true nucleus, and DNA is found in the cytoplasm of the cell.The term Monera is not used now in the scientific community to classify Bacteria and Archae. Monera was considered as one among the five Kingdoms used to distinguish living organisms.To learn more about six-kingdom refer to:
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What is the oldest form of biotechnology?
A.) selective breeding
B.) hybridization
C.) cloning
D.) recombinant DNA
Answer:
Selective breeding
Explanation:
Hope this helps!
Answer:
A.) selective breeding
Explanation:
Selective breeding is the process of crossing the selected individuals to obtain progeny having desired features. It is the oldest form of biotechnology and relies on presence of desired genetic features in the wild population. Selective breeding was extensively used by farmers and animal breeders to produce the crops and animals progeny of beneficial traits.
There are two main divisions in the grassland biome: tropical grassland and savannas.
TRUE
FALSE
Answer:false there is 3
Explanation:
The correct answer is False.
Explanation
Biomes are places on earth that are characterized by the species (fauna and flora) that inhabit there, environmental factors such as climate, temperature, rainfall pattern, among others. One of the Earth's biomes is grasslands, which, as the name implies, are areas where grass predominates. Additionally, grasslands are classified into three groups: savanna grasslands, temperate grasslands, and steppes.
The first refers to grassland areas where warm temperatures predominate, for example, the savannas of Africa or Australia. Secondly, temperate grasslands, also called prairies, are characterized by extreme temperature changes and the absence of rainfall, due to this, trees and shrubs do not survive in these. Finally, there are the steppes, areas where the vegetation is similar to that of the meadow, with the difference that the environment is drier, these are characteristic of eastern Europe and Russia. So, the correct answer is False. there are three main divisions in the grassland biome: savannas, temperate grassland and steppes.
The embryos of a fish, chicken and rabbit all contain a tail and pharyngeal pouches at some point during their early development. Although the fetus of all these species looks different from one another, the similiarity between these organisms during their embryological development suggests an evolutionary relationship among all _________________________ species. A) avian B) invertebrate C) mammalian D) vertebrate
Answer:
The answer is vertebrate.
Explanation:
Vertebrates are those animals that have a central spinal cord. Fish, Chicken and rabbit can be classified as vertebrates because they all have a spinal cord. The vertebrate is a big term that is further divided into different classes for example Fish, amphibians, mammals, avian, and reptiles,
Answer:
The answer is D)Vertebrate
Explanation:
What vessel branches off the aorta and brings blood into the kidneys
Answer:Renal artery
Explanation:
Which describes farsightedness? Check all that apply.
Distant objects are blurry. Nearby objects are blurry.
Objects appear larger when wearing corrective glasses.
Objects appear smaller when wearing corrective glasses.
Convex lenses can correct it.
Concave lenses can correct it.
Answer:
the answer is a
Explanation:
i am farsighted so i were glasses for this reason and hate it some times but they work
Answer:
Option B - Objects appear larger when wearing corrective glasses
Option D - Convex lenses can correct it
Explanation:
Farsightedness is a problem in which a person is able to view far away objects clearly but is unable to view nearby objects.
A convex lens is used to correct farsightedness. The focal point lie behind the retina of eyes as the distance between the retina and eyepiece is very small , thus to correct this convex lens is used which reduces the focal length.
A convex lens magnifies an object and make it larger than its normal size thus the nearby object which was not visible earlier is now easily visible.
Thus, both option B and D are correct.
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A scientist has done his background research and has designed an experiment to test a popular scientific theory. Which of the following should he do next?
Design the report
Know and follow the steps of the scientific method
Make tables and graphs of the data collected
Organize the data collected
Answer:
B
Explanation:B because you have to perform the experiment before making a report
I think it’s C make a tables and graphs of the data collected
Brittany wants to use a model to study soil erosion on hills. She is told that farmers can prevent soil erosion by plowing so that their furrows run along hills instead of up or down hills. She fills a pan with dirt, packs the dirt firmly, then shapes it into parallel furrows. What should Brittany do with her pan of dirt next in order to study soil erosion? A. Prop up one end of it to make a slope and carefully pour water over it B. Shake the pan rapidly back and forth C. Set it outside and check on it every day D. Fill the pan with water, then tilt it until all the water runs out
Answer:
A. Prop up one end of it to make a slope and carefully pour water over it.
Explanation:
Soil erosion leads to infertility of the land due to the loss of the top soil which contains soil nutrients.This leads to low production by the farmers and also reduces the crops quality and yields.Plowing the land up or down hills increases the rate of erosion for channels carrying runoff water flow are created easily leading to carrying of the top soil fro the top of the hill to the bottom.When the land furrows run along hills, water landing on top of the hill cannot form water run ways down the hill and this helps reduce erosion.
Help please I need this as soon as possible
I would say it is a telescope because it is the only round object.
It’s a telescope , I chose that answer before
If a trait in a population is a result of natural selection, all BUT ONE of the following conditions must be met. That is :
A. The trait is heritable
B. The trait is functional
C. The trait increases fitness
D. The trait is the result of mutation
d is the answer i think
Answer:
D
Explanation:
mutation would not be met because traits are hertable and they do increase fitness depending on which trait you have but they are also functional and they do on mutate they are pass on
Based on this information, do you still think lions and tigers are separate species? (all responses will be marked correct.)
The cat species are extremely hard to tell apart as they all have pretty much the same anatomical structure, with the size usually being what differs them most easily. The lion and the tiger are no exceptions. Both species share pretty much the same anatomy, their size is similar, their genetics are almost identical, their behavior is largely the same. This can be very confusing as it seems like it is one species we are talking about, not two separate ones. The only obvious difference between the tiger and the lion is their fur. The tigers have orange base with vertical black stripes, while the lions are dark yellowish, with the males having a mane as well. The easiest way to check if its two different species in question is to see if they can produce healthy offspring. This is where we can see that it is different species we are talking about. While the lion and the tiger are able to produce offspring, the offspring is abnormally marge, much more than any of the parents. But what is more important is that the offspring is sterile, and very often comes with serious deficiencies, thus providing us with proof that it is two separate species.
Which of the following pairs are the best examples of homologous structures?(a) bat wing and human hand(b) owl wing and hornet wing(c) porcupine quill and cactus spine(d) bat forelimb and bird wing(e) Australian mole and North American mole
Answer:
(a) bat wing and human hand.
Explanation:
Homologous structures are structures with the same embryonic origin but are modified to perform different functions.
Both the bat wing and the human hand are pentadactyl (five digit) limb structure though they perform different functions.Their bat wing and human hand limb contain of three parts;the humerus ,the radius and ulna,a hand made up of carpals ,metacarpals and phalanges.
This clearly indicates that they share a common ancestry but due to divergent evolution they are modified to perform different functions hence referred to homologous structures.
Dr. taylor bled into her left cerebral hemisphere. what is the function of the cerebrum? dr. taylor bled into her left cerebral hemisphere. what is the function of the cerebrum? processes visual and auditory data, generates reflexive somatic motor responses, and maintains consciousness coordinates complex somatic motor patterns and adjusts the output of other somatic motor centers conscious thought processes, intellectual functions, memory storage and processing, and conscious/subconscious control of skeletal muscle controls emotions, has autonomic functions, and functions in hormone productions in addition to being a center for the relay and processing of sensory information
The cerebrum is the largest part of the brain and controls conscious functions such as reasoning, language, sight, touch, and hearing. It is divided into two hemispheres, each with four lobes. The cerebral cortex is responsible for many higher mental functions and specific regions within it have different functions.
Explanation:The cerebrum is the largest part of the brain and controls conscious functions such as reasoning, language, sight, touch, and hearing. It is divided into two hemispheres, or halves, with each hemisphere having four lobes: frontal, parietal, temporal, and occipital. The cerebral cortex, the thin outer layer of gray matter, is responsible for many higher mental functions, including memory, learning, and conscious perception.
Within the cerebral cortex, specific regions are responsible for different functions. For example, language functions are often localized to the left hemisphere in 95% of the population. Additionally, the left hemisphere is connected to the right side of the body, controlling motor functions on the opposite side and receiving sensory information from the opposite side as well.
Keywords: cerebrum, cerebral cortex, hemispheres, lobes, language functions, motor functions, sensory information
The dietary guidelines for americans encourage ___ or more minutes of exercise on most days of the week.
Answer:
Children and Teens: 60 Minutes per day
Adults: 75 minutes for high intensity workouts
150 Minutes for moderate
Explanation:
according to 2015-2020 dietary guidelines
Different body cells can respond differently to the same peptide hormones because _____.
A. different target cells have different sets of genesB. the hormone is chemically altered in different ways as it travels through the circulatory systemC. the circulatory system regulates responses to hormones by routing the hormones to specific targetsD. a target cell's response is determined by the components of its signal transduction pathways
Answer:
D. a target cell's response is determined by the components of its signal transduction pathways
Explanation:
Signal transduction pathway is a set of steps from the ligand binding (e.g. hormone binds to its receptor) to the cell response. The chain reaction that occurs after the ligand binding can include mechanisms such as phosphorylation, dephosphorilation, activation of messengers, degradation etc which together can make a whole huge network.
The cell response at molecular level can include change in gene expression (changes in transcription and translation), protein changes (conformational, post-translational modifications, change in location).
Different body cells can respond differently to the same peptide hormones because a target cell's response is determined by the components of its signal transduction pathways. Hence, the correct option is D.
. Although a hormone may travel throughout the body, only cells with specific receptors for that hormone can bind to it and initiate a response. This interaction then triggers a chain of events within the cell, leading to its response. Factors such as the number of receptors present (which may increase or decrease through upregulation or downregulation), the sensitivity of the receptors, and the specific signal transduction components available within the cell, all play crucial roles in determining how a cell responds to a hormone. This cellular diversity ensures that hormones can have varied effects on different types of cells, facilitating a wide range of physiological processes.
In a population of gerbils ,long hair is completely dominant over short hair .if 18percent of the population has short hair , calculate the percentage of the population that is expected to be heterozygous
Answer: 49%
Explanation:
* long hair = P
* shirt hair = q using the Hardy-Weinberg equation for genotypic frequencies
* p^2 + 2pq + q^2 =1
*first use the equation to solve for the known value 18% hh
.18 = q^2
Square root .18 = q
So q = .42
* plug this allelic frequency in to p+q = 1
Which will give you the frequency of dominant alleles
1 - .45 = p So P = .58
Then just plug the P and q values found into the portion of the equation for heterozygous offspring.
2(.58)(.42)
Which is .49 or 49%
The entire population should be 33% homozygous dominant 49% heterozygous and 18% homozygous recessive.
Answer:
49 percent
Explanation:
I got this question correct on the quiz.
It is possible to produce an offspring from a zebra mating with a donkey. indeed, in the summer of 2012 in florence, italy, a male zebra climbed a zoo fence in order to mate with a female donkey. this resulted in the donkey giving birth to a live organism. however, this mating would not likely happen in the wild. which reproductive barrier would prevent this from occurring?
The mating of a zebra with a donkey is rare in the wild due to reproductive barriers such as character divergence and gametic barriers, which affect courtship, compatibility of reproductive structures, and potential genetic incompatibilities leading to issues like sterility.
Explanation:It is possible for a zebra to mate with a donkey, and such mating can produce live offspring, known as a zonkey. However, this occurrence is rare in the wild due to various reproductive barriers. One such barrier that would prevent a zebra and donkey from mating in the wild is character divergence, which impacts courtship rituals, potentially leading to differences in female preferences or male behaviors that are incompatible between species.
Other prezygotic barriers include differences in reproductive anatomy or physiology, where the reproductive structures might not be compatible (for example in damselflies), or gametic barriers where the sperm and egg cells are unable to fuse successfully. Postzygotic mechanisms could also be at play, such as genetic incompatibilities that lead to offspring with reduced or no fertility, like mules, which are the sterile offspring of a female horse and a male donkey.
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PLEASE HELP ASAP
#1: If a person inherits the A allele from his mother and the B allele from his father, what will his blood type be?
AB
O
B
A
#2:
Answer:
I think so it will be AB I think so
Which of the following is not transported by the circulatory system?
A. Blood
B. Food
C. Oxygen
D. Carbon dioxide
Which of the following would not be considered an innate behavior?
A. Sucking
B. Migration
C.habituation
D. Instincts
The brain is apart of which body system?
A. Nervous system
B. Immune system
C. Circularity system
D. Respiratory system
Answer:B)food
everything else is transported from those options except food. Hopefully this is right.
Food is not transported by the circulatory system.
What is circulatory system ?The system that contains the heart and the blood vessels and moves blood throughout the body.
What is circulatory system parts and functions?The circulatory system is made up of blood vessels that carry blood away from and towards the heart.
Hence ,B is correct option
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What are the two products produced by photosynthesis?
The two products are sugar and oxygen
Photosynthesis, a process used by plants, produces two main products, oxygen and sugars/carbohydrates such as glucose. Oxygen is generated as a waste product, while sugars represent energy-storing compounds vital for survival. This process uses sunlight, carbon dioxide, and water.
Explanation:The two primary products produced by the biological process of photosynthesis are oxygen and sugar (or carbohydrates). During photosynthesis, plants use sunlight, water, and carbon dioxide to produce these products. Oxygen is generated as a waste product, while sugars or carbohydrates represent energy-storing compounds. These sugar molecules, like glucose, possess the energy that living organisms need to survive.
Here's a simplified representation of the process: 6CO2 + 6H2O + energy from sunlight = C6H12O6 + 6O2. In this equation, C6H12O6 represents glucose, a sugar, and 6O2 represents oxygen.
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Nuclear energy is considered to be one of the most environmentally friendly sources of energy. Compared to traditional sources of energy such as the combustion of fossil fuels, it produces fewer greenhouse gas emissions during the production of electricity. What is another advantage of using nuclear energy?
It produces more energy faster than these other sources of energy
Nuclear energy is highly efficient and provides a steady and reliable source of power, which contributes to the stability of power grids. The infrastructure for nuclear energy is already well-established. In the future, nuclear fusion could offer an even safer and cleaner source of energy.
Explanation:Another advantage of using nuclear energy is its high energy density compared to traditional sources of energy. This means that nuclear energy is highly efficient, as it can produce a significant amount of energy from a relatively small amount of fuel. Additionally, nuclear energy provides a steady and reliable source of power, unaffected by changes in weather or raw material prices, thus contributing to the stability of power grids.
Furthermore, the techonology and infrastructure for nuclear energy are already well-established, unlike for some renewable energies where extensive development and scaling are still needed. For example, nuclear fission power plants are already present across the world and provide a significant quantity of the world's electricity.
Future technologies such as nuclear fusion can also provide an even greater reduction in greenhouse gas emissions while utilizing more abundant and less hazardous fuels than nuclear fission. Scientists believe that fusion reactors are nearly here, representing a safer, cleaner and more abundant potential source of energy.
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The excretory system rids the body of toxic chemicals, excess water, salts, and carbon dioxide while maintaining osmotic and ph balance. which three organ systems combine to form the excretory system?
a. digestive system, muscular system, respiratory system
b. integumentary system, respiratory system, urinary system
c. circulatory system, endocrine system, integumentary system
d. circulatory system, digestive system, urinary system
I feel like it would be b
In addition to being a component of the integumentary system, the skin contributes to excretion through the production of sweat by sweat glands in the dermis, hence option B is correct.
What is the excretory system?The excretory and urinary systems are not the same because the excretory system is a collective term for all systems performing the function of removing waste from the body, such as excess water, urea, carbon dioxide, and lactic acid.
Whereas the urinary system focuses on removing excess water and urea from the body. Nevertheless, other organs also play a part in excretion.
Water and carbon dioxide are two waste products that are expelled by the lungs as part of the respiratory system. Another excretory organ that eliminates waste from the body through sweat glands is the skin.
Therefore, the integumentary system, respiratory system, and urinary system are three organ systems that combine to form the excretory system.
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Watson and Crick discovered that DNA is __________. A. the genetic information B. very small C. a double helix D. a treatment for cancer
Answer:
C. a double helix
Explanation:
Answer:
double helix
Explanation:
A usable water source is one that can be used by humans for drinking or agriculture. Identify the water reservoir as usable or unusable based on their current state. HELP !!!! 25 points
Answer: Usable
Explanation: Im positive its usable but im not exactly sure if im supposed to answer, picture isnt too clear on my end...
Usable Source:
Freshwater lakesGroundwaterRiversUnusable Source:
OceansGlaciersWhat is water sources ?
The classification scheme is predicated on the idea that readily available water sources suitable for cultivation or consumption are usually considered useable.
So, Rivers, freshwater lakes, and groundwater are more likely to meet this requirement than oceans and glaciers, which are less suitable for direct human usage because of things like salinity and accessibility.
What is the most common mental health diagnosis for youth in detention and correction facilities?
Depression is the most common mental health diagnosis
In northeast kansas there is a creature know as a wildcat. it comes in three colors, blue, red, and purple. this trait is controlled by a single locus gene with incomplete dominance. a homozygous (bb) individual is blue, a homozygous (bb) individual is red, and a heterozygous (bb) individual is purple. what would be the genotypes and phenotypes of the offspring of a blue wildcat were crossed with a red one
Answer:
The genotype would be bb and the phenotype would be purple.
Explanation:
It wouldn't be red or blue because those genotypes are homozygous. Which means everything s the same. One purple wildcat offspring would have a purple father and mother. But since a blue and red wildcat are mating that makes the genotype heterozygous. Which would be purple.
Incomplete dominance occurs when both the alleles of the genes at a specific locus are characterized partly.
This type of dominance occurs when neither of the alleles is entirely recessive nor dominant.
The allele for the blue trait is purebred dominant (BB)
The allele for the red colour trait is purebred recessive (bb)
The allele for the purple colour is heterozygous (Bb)
The genotypes and phenotype of the offspring of a blue wildcat crossed with a red cat can be determined with the help of Punnett square. The image of Punnett square is attached below.
Therefore, the genotype of the offspring will be Bb.
The phenotype of the wild cat will be Purple.
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In what ways might the use of embryonic stem cells be better than the use of adult stem cells
Answer:
Embryonic stem cells have a larger differentiation potential than adult stem cells
Explanation:
This is because embryonic stem cells can develop in any other type of differentiated cell type in the body (pluripotent), while adult stem cells are limited in that way (multipotent or unipotent). So, we can say that embryonic stem cells are more flexibile.
Another advantage of the embryonic stem cells is that they are more easily grown in culture.
Embryonic stem cells- derived during early development
Adult stem cells-derived from adult tissue