The process whereby the earth’s life changes over time through changes in genes of populations of organisms in succeeding generations is called____.a. emigration.b. mutation.c. natural selection.d. evolution.e. genetic drift.
Answer:
Option d (evolution) is the right answer.
Explanation:
This concept postulates that perhaps the different kinds of plants, animals, as well as other living objects aspects universe originate in several other currently existing categories and because the focus on possible is sensitive to variations in generation after generation. Evolution theory has been one of the cornerstones of the contemporary biopsychosocial model.Some other possibilities don't relate to either the scenario is given. Enough that option d seems to be the correct decision.
What is the defining characteristic of a
prokaryotic cell?
A. having a nucleus
B. not having a nucleus
C. not having DNA
Answer:
B
Explanation:
Prokaryotic cells lack a nucleus
Help please!!
Answer properly!
1. what is obtain from a warm water that affects typhoons?
2. How do bodies of water affect typhoons?
3. Explain briefly how landforms like mountains ranges weaken the strength of a typhoon?
Answer: what is obtain from a warm water that affects typhoons? = The link isn’t terribly surprising, given that warm waters are the fuel for the convection at the heart of tropical cyclones. Storms tend to leave a cool “wake” behind them, as they churn cooler waters from below. But if that water is relatively warm, it makes sense that the typhoons would see a bigger boost.
2. How do bodies of water affect typhoons? = They affect typhoon based on what or how strong the energy is released by the landforms and bodies of water. Typhoons gain energy from warm ocean water and lose energy over cold water.
3. Explain briefly how landforms like mountains ranges weaken the strength of a typhoon? = Different types of landforms specifically mountains and mountain ranges could weaken the strength of the typhoon meanwhile bodies of water can contribute to strengthen the typhoon because of the water that evaporates and contributes continuously with the clouds 3.3 3 votes.
. Take 400ml milk, curd, four small clean jars with lids labelled A, B, C and D. Pour about 100 ml of lukewarm boiled milk into each jar. Add a teaspoon of curd to jar A and D. Place jar D in a refrigerator. Place jars A, B and C in a warm place. Observe the jars after four to five hours and answer these questions.
i) What do you see in jars A, B and C?
ii) Why did the milk in jars B and C not set into curd?
iii) What happened in D? Can you say why?
1. The milk will be turned into curd in bowl A due to the lactobacillus bacteria and not in other bowls B, C.
What is lactobacillus bacteria?
Lactobacillus is the bacteria required for the formation of curd and it requires an appropriate temperature for its growth. Lukewarm milk not being very much cool and hot provides that appropriate temperature and hence lukewarm milk get converted into milk.
2. Bowl B and C contains hot and cold milk that do not provide required temperature for the growth of bacteria due to which bacteria does not grow in them and they are not converted into curd.
3. Bowl D placed in refrigerator, so the the bacteria unable to divide because they does not get the required temperature and doesn't changed into curd.
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some cases of cjd may be caused by a mutation of the prp gene.
T/F
True. Some cases of Creutzfeldt-Jakob disease (CJD) may be caused by a mutation of the prion protein (PRP) gene.
The PRP gene is responsible for the production of a protein found in the brain and nervous system, which can become misfolded and lead to the development of prion diseases such as CJD. While the majority of CJD cases occur spontaneously or due to exposure to contaminated tissues, a small percentage of cases are linked to inherited genetic mutations of the PRP gene. These genetic mutations can cause abnormal folding of the PRP protein, leading to the accumulation of prions and the onset of CJD. Testing for PRP gene mutations can be helpful in diagnosing and understanding the underlying causes of CJD in affected individuals and their families. However, it is important to note that PRP gene mutations are rare and not all cases of CJD are caused by genetic factors.
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What’s are the blanks
Protein synthesis involves transcription which produces mRNA, and translation through which the protein grows and is modified. 1) polymerase, 2) DNA helix, 3) single-stranded RNA, 4) protein, 5) endoplasmic reticulum, 6) ribosome, 7) transport vesicle, 8) Golgi apparatus, 9) protein released from vesicle, 10) modified protein.
What is protein synthesis?
Protein synthesis is the process by which new proteins are produced in the cell. Their destiny vary according to the protein and the cells needs.
Two processes are involved in protein synthesis,
Transcription occurs first in the nucleus. During this event, mRNA is synthesized by copying a segment of the DNA molecule. The template DNA strand is used to pair its nucleotides and grow the new mRNA strand.Translation occurs in the cytoplasm. During this event, the protein is grown by reading the mRNA codon sequence. tRNA, associated with rRNA, recognizes the codons and adds the correct amino acid to the new growing polypeptide.
During protein growth, the molecule passes from the cytoplasm to the rough endoplasmic reticulum where protein growth finishes, and from there, the molecule is tasported in vesicles to the Golgy apparatus where it suffers its final modifications.
In the image, the order of the labels is
polymerase, DNA helixsingle-stranded RNA, protein, endoplasmic reticulum, ribosome, transport vesicle,Golgi apparatus, protein released from vesicle,modified protein,
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Complete question
Drag each label to the correct location on the image. Identify the components involved of transcription translation and protein modification.
The labels are:
polymerase, ribosome, Golgi apparatus, protein, protein released from vesicle, transport vesicle, single-stranded RNA, modified protein, endoplasmic reticulum, DNA helix.Volcanic eruptions are caused by? A gravity. B Pressure C Explosions D earths rotation please help
Answer:
I'm pretty sure it's B, pressure.
Explanation:
I hope this helped :)
Answer:
Although there are several factors triggering a volcanic eruption, three predominate: the buoyancy of the magma, the pressure from the exsolved gases in the magma and the injection of a new batch of magma into an already filled magma chamber. ... This lighter magma then rises toward the surface by virtue of its buoyancy.
If a farmer was estimating yield for a grain crop, what variables would he or she need to make a calculation?
A. cost of herbicide per ft2, seeding rate, estimated storage space cost of herbicide per ft, 2, , seeding rate, estimated storage space
B. standard kernel weight, acres of planted field, insurance price standard kernel weight, acres of planted field, insurance price
C. cost of seeds per ft2, acres of planted field, fertilizer weight cost of seeds per ft, 2, , acres of planted field, fertilizer weight
D. acres of planted field, kernels per ft2, standard kernel weight
Note: Here is the resource to finding the answer -> Estimating yields and calculating yield involve numerous equations, depending on the crop in question, and many different methods exist. For grain crops, a farmer could count the number of viable kernels in a square foot. This number would then be multiplied by a standard 1,000 kernel weight. Finally, this number should be multiplied by the number of acres on a farm. One of the most crucial measurements a farmer needs to consider is planting rate. Planting rate, also known as seeding rate, refers to the number of plants sown in a certain area, usually calculated in hectare or acres, to ensure a maximum yield. Intuitively, one would think that the more plants planted, the higher the yield. But as we see from the example of SRI at the beginning of this lesson, planting rates can be counterintuitive. Planting fewer plants can mean growing larger, healthier plants that result in more grains, beans, or seeds. Needless to say, a farmer’s crop yield is predicated on his or her initial planting rate. <-
The parameters that the farmers needs to estimate the yield is acres of planted field, kernels per ft2, standard kernel weight.
What is important to estimate the yield for a grain crop?We know that the yield has to do with the quantity of the crop that one has to obtain in a planting season. It is often important that the farmer is able to estimate how much the produce of the grain would be.
However, there are some parameters that must go into the calculation of the estimate of the yield of the crops and these would help the farmer to know how to go about the planting season.
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The parameters that the farmers needs to estimate the yield is acres of planted field, kernels per ft2, standard kernel weight.
Explanation:
Who is given credit for the basic design of the periodic table of the elements?
John Dalton
Gregor Mendel
Dmitri Mendeleev
Ernest Rutherford
Answer:
the answer is C Dmitri Mendeleev
Explanation:
6Both plant and animal cells have a cell wall.
A.
True
B.
False
Help please thank you
Answer:
False the answer is actually false
Important features of the environment corridor
Answer:
Environmental corridors are areas in the landscape that contain and connect natural areas, open space, and scenic or other resources. They often lie along streams, rivers, or other natural features. These corridors protect environmentally sensitive areas by providing linkages in the landscape and potential buffers between natural and/or human communities.
Environmental corridors are complex ecosystems that provide an avenue for wildlife movement, protection of natural resources, and green space buffers for humans. These “lifelines for living” help support human, wildlife, and natural resource “communities.” The aerial photograph in Figure 1 will help you visualize a corridor and understand its function. Note the intertwining ribbons of natural areas winding across the landscape and through fields and towns.
Explanation:
Would you expect the molecular weight approximations to be closer to true values for larger or smaller proteins? Why?
You can expect molecular weight approximations to be closer to true values for larger proteins.
This is because larger proteins have a greater number of amino acids, which makes their molecular weight more significant. Any discrepancies or errors in measuring the molecular weight will have a smaller relative impact on larger proteins compared to smaller proteins. As a result, the approximation will be more accurate for larger proteins. You can expect molecular weight approximations to be closer to true values for larger proteins. You can expect molecular weight approximations to be closer to true values for larger proteins.
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during a state of alertness, what part of the brain would the prefrontal cortex communicate with?
A crucial region of the cerebral cortex that mediates intellectual or executive activities is thought to be the prefrontal cortex.
What is Prefontal cortex?The prefrontal cortex has a complicated function in modulating higher order behaviors, which is further supported by its varied but distinct connection patterns, electrical characteristics, neuroimaging correlates, and related clinical repercussions.
When complex behaviors are structured at the interaction level of multifocal neural systems, the prefrontal cortex can be seen as a key component of a vast neurocognitive network.
Complex local circuitry involved in information short-term storage, encoding, and synthesis of the accompanying mental representations to create an appropriate goal-directed response is also significant.
Thus, A crucial region of the cerebral cortex that mediates intellectual or executive activities is thought to be the prefrontal cortex.
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PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
I WILL GIVE BRAINLY
Answer: In attached image
Explanation:
Describe the survival strategy of the wasp
Some of the key survival strategies of wasps include aggression and defense, efficient foraging, social behavior, adaptive nesting strategies, and reproductive strategies. These strategies have helped wasps thrive in a wide range of environments.
Wasps are highly aggressive and have powerful stingers that they use to defend themselves and their nests from predators. Many wasp species also have sharp mandibles that they use for biting and tearing apart prey. Wasps are opportunistic foragers and are able to efficiently locate and collect food. Some wasps hunt and capture other insects, while others feed on nectar and fruit. Many wasp species are highly social and live in large colonies or nests.
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8. What makes phrenology a pseudoscience is the fact that …
a. none of it is true
b. We are focusing on cases that confirm our beliefs about it and not those that disconfirm our beliefs
c. most of it can be explained as a placebo effect
d. all of the above
e. none of the above
None of the facts supports phrenology and pseudoscience the correct answer is none of the above, option e is correct.
Phrenology is considered a pseudoscience not because none of it is true, but because its fundamental principles and methods have been discredited and are not supported by scientific evidence. Phrenology was a popular belief in the 19th century that claimed personality traits and mental abilities could be determined by examining the shape and size of bumps on the skull.
However, modern scientific understanding of the brain has shown that specific mental functions are not localized to specific areas of the skull as suggested by phrenology. The reason phrenology is considered a pseudoscience is that it lacks empirical evidence and scientific validity. Its claims have not been supported by rigorous experimentation or replicated findings.
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True or False: Mass changes when gravitational force changes.
Plz help
Answer:
yes it does
Explanation:
What are the latest developments on research on Earth’s internal structure.
Answer:
The internal structure of the earth is like a steel ball that has been inserted into the middle of a rubber ball that has then been rolled around in the mud which sticks to it.
Explanation:
The mud sticking unevenly on the outside of the ball represents the earth's crust. The rubber ball represents the mantle below the crust, and the steel ball inside is the earth's core. These are the basic layers.
Inside the earth, the mantle itself consists of an upper mantle and a lower mantel, and the iron consists of an outer core and inner core. The separations occur where the state of the substance changes. For the iron , the outer core is closer to a liquid, while the inner core is closer to a solid. Both are intensely hot.
If you need a 3-D representation of the internal structure of the earth, cut a spherically shaped avocado in half, and keep the half with the seed or pit. The pit is the core, the fruit is the mantel and the skin is the earth's crust. You can add in the other divisions as necessary.
ncbi Phylogeny and temporal diversification of mosquitoes(Diptera: Culicidae) with an emphasis on theNeotropical fauna
Understanding phylogenetic relationships in the own circle of relatives Culicidae informs mosquito evolution and can have public fitness implications as this own circle of relatives consists of severa species of clinical and veterinary importance.
We investigated the mitochondrial genomes of 102 mosquitoes, which include six newly sequenced species, representing 21 genera with an emphasis at the Neotropical region.
We predicted divergence instances primarily based totally on collection facts and 3 fossil calibration points, the usage of Bayesian comfortable clock methods. Bayesian and maximum-probability phylogenetic analyses primarily based totally at the DNA sequences of thirteen PCGs of the 102 species supplied strong assist for the monophyly of the subfamily Anophelinae and the tribes Aedini, Culicini, Mansoniini and Sabethini. Despite the present day genera of Anophelinae being continually recovered as monophyletic, relationships amongst them proved to be pretty variable relying at the technique used (concatenated or partitioned) and the variety of taxa sampled.learn more about phylogenetic:https://brainly.com/question/13577065
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Does having two eyes instead of one improve the human ability to resolve distant objects? explain.
We can view in the third degree of depth thanks to it. Each eye sees a slightly different image because our human eyes are a few inches apart. The two images are combined in our brain to determine the separation of the items.
Why is it advantageous for humans to have two eyes as opposed to just one?We develop stereoscopic vision, or the capacity to recognize and comprehend three-dimensional space from any visual inputs, with the assistance of two eyes. With both eyes open, you can see 180°, compared to 150° with just one eye. This gives us a greater field of view. Whereas, when we close one eye, we get the angle till our nose blocks the view. We, humans, are largely binocular beings.
Our ability to perceive depth and perceive the environment in three dimensions is really improved by having two eyes. Because of the distance between our eyes, this truly works. Each image that is sent onto the retina by each eye is slightly different because each eye views things from slightly different angles.
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What is the correct order of levels of organization, from smallest to largest? a. organism → tissue → organ → organ system → cell b. organism → organ system → organ → tissue → cell c. cell → tissue → organ → organ system → organism d. cell → organ → organ system → organism → tissue
The correct order of levels of organization from smallest to largest is: (c) cell → tissue → organ → organ system → organism.
Levels of organization is the sequence of formation of a living body. The smallest structure is the single cell. Many cells combine together to form the tissue. Several tissues form an organ. And various organs form an organ system. A complete organism is composed of various organ systems.
Cell is the most basic unit of life. A cell can be prokaryotic or eukaryotic. The prokaryotic cells are the primitive types of cells with no true nucleus and cell organelles. Whereas eukaryotic cells have a well defined nucleus along with various cell organelles.
Therefore, the correct answer is option c.
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Which of the following statements about anti-diuretic hormone (ADH) is TRUE?
a.
ADH promotes the production and insertion of aquaporin 2, 3, and 4 in the principal cells at the distal convoluted tubule and collecting duct.
b.
ADH is produced at the supra optic nuclei and para ventricular nuclei of the hypothalamus and the posterior pituitary gland.
c.
ADH promotes water reabsorption at the principal cells of the distal convoluted tubule and collecting duct, which will raise the blood pressure, blood volume, and plasma osmolarity while it will lower the urine flow rate.
d.
After drinking 4 cups of water, secretion of the Anti-diuretic Hormone at the posterior pituitary gland increases.
What is TRUE about glycolysis?
a.
Glycolysis requires oxygen during aerobic metabolism.
b.
The net production is 2 pyruvate + 2 NADH + 2 ATP.
c.
Glucose is converted into 2 lactate by hexokinase.
d.
The process involves 8 sequential reactions.
The reabsorption of water along the descending limb of the loop of Henle brings the osmolarity of the filtrate moving down the descending limb from isoosmotic to hyperosmotic. While reabsorption of Na+, K+, and Cl- along the ascending limb of the loop of Henle will bring the osmolarity from hyperosmotic to isoosmotic as the filtrate moves to ascending direction.
a.
True
b.
False
The following statement about anti-diuretic hormone (ADH) is TRUE:
a. ADH promotes the production and insertion of aquaporin 2, 3, and 4 in the principal cells at the distal convoluted tubule and collecting duct.
The following statement about glycolysis is TRUE:
b. The net production is 2 pyruvate + 2 NADH + 2 ATP
The statement, "The reabsorption of water along the descending limb of the loop of Henle brings the osmolarity of the filtrate moving down the descending limb from isoosmotic to hyperosmotic. While reabsorption of Na+, K+, and Cl- along the ascending limb of the loop of Henle will bring the osmolarity from hyperosmotic to isoosmotic as the filtrate moves to ascending direction" is True.
The following statement about anti-diuretic hormone (ADH) is TRUE:
a. ADH promotes the production and insertion of aquaporin 2, 3, and 4 in the principal cells at the distal convoluted tubule and collecting duct.
ADH in the supraoptic and paraventricular nuclei of the hypothalamus and secreted from the posterior pituitary gland. Its main function is to control water balance in the body. The hormone encourages water reabsorption from the urine in the kidney tubules, causing a decreased amount of urine to be produced. Aquaporin-2 channels are inserted into the luminal membrane of the principal cells by ADH in the distal tubules and collecting ducts to enhance water reabsorption. Thus, alternative (a) is a TRUE statement about anti-diuretic hormone (ADH).
The following statement about glycolysis is TRUE:
b. The net production is 2 pyruvate + 2 NADH + 2 ATP.
Glycolysis is the catabolic process of glucose into pyruvate, producing energy through substrate-level phosphorylation. The process is anaerobic and takes place in the cytosol. The process requires two ATP to start and yields four ATP and two NADH as a net result. Glucose is converted into 2 pyruvate by hexokinase or glucokinase. Therefore, the statement b is a TRUE statement about glycolysis.
The statement, "The reabsorption of water along the descending limb of the loop of Henle brings the osmolarity of the filtrate moving down the descending limb from isoosmotic to hyperosmotic. While reabsorption of Na+, K+, and Cl- along the ascending limb of the loop of Henle will bring the osmolarity from hyperosmotic to isoosmotic as the filtrate moves to ascending direction" is True.
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How is it possible for organisms to undergo both punctured equilibrium and gradualism?
Answer: Gradualism and punctuated equilibrium are two ways in which the evolution of a species can occur. A species can evolve by only one of these, or by both. Scientists think that species with a shorter evolution evolved mostly by punctuated equilibrium, and those with a longer evolution evolved mostly by gradualism.
Explanation:
Describe why valinomycin is an effective antibiotic agent
Answer: a naturally occurring depsipeptide used in the transport of potassium
When the axon is at rest, the inside of the neuron has a charge that is 70 millivolts more negative than the outside. This difference will continue as long as ___________.
This difference will continue as long as the axon is at rest. Generally, the resting potential in neurons is −70 mV.
What is resting potential?The resting potential is the electrical potential of a neuron when it is involved in the passage of a given stimulus.
This value (resting potential) depends on ion concentration on both sides of the plasma membrane.
The resing potential may change due to the presence of specific proteins called carriers that transport ions to both sides of the plasma membrane.
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Which best describes the role of communication in scientific investigations?
Communication can help identify good scientific questions to further investigate.
Communication is not necessary once the data are collected because the scientists can do the data analysis themselves.
Communication should not be used in planning the experimental design because the scientists want to have original ideas.
Communication is important because the scientists need to convince other researchers not to challenge their results.
Answer:
A
Explanation:
Your veterinarian has requested that you collect urine from the sick doe arriving at the clinic in a half hour. What strategies will you use to try and collect this urine? What strategies would you use if it was a sheep?
a. The strategies will use to try and collect this urine from the sick doe are we'll hаve to be pаtient, we cаn wаit them out or move it to а new pen.
b. The strategies would use if it was a sheep are we cаn hold the nostrils closed for up to 45 seconds аnd releаse when struggling.
To collect urine from a sick doe arriving at the clinic in a half hour, the strategies you can use include:
1. Feeding her hay or another high-fiber diet and keeping her hydrated, as this increases urine production.
2. Making sure she is comfortable and relaxed in the clinic, and providing a container for her to urinate into.
3. Using a syringe or needleless syringe to collect the urine if she is not able to urinate into the container.
For a sheep, the strategies would be similar, although additional steps may be needed depending on the animal's size. You may need to provide a larger container for the sheep to urinate into, and you could also use a syringe or needleless syringe to collect urine from the sheep if it is not able to urinate into the container.
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Which of these is a part of the lower respiratory system? a. Larynx b. Nose c. Nasal cavity d. Pharynx e. Paranasal sinuses
Larynx is a part of the lower respiratory system among the given options. Option a.
The lower respiratory system is made up of organs that are located inside the thoracic cavity. These organs are: Trachea, Bronchi, Bronchioles, Lungs (which include alveoli and respiratory bronchioles), and Diaphragm. From the given options, the larynx is the only part of the lower respiratory system. Answer: a. Larynx
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Which property of magnets is being shown in the picture?
The property of magnet that is being shown in the diagram above is that the magnet's similar poles repel each other, whereas the opposite poles attract one other.
What is a magnet?A magnet is defined as a device or an object that has the ability to produce a magnetic field which is made up of a force that attracts other objects to itself.
The properties of a magnet include the following:
Magnets attract ferromagnetic materials.The magnet's similar poles repel each other, whereas the opposite poles attract one other.A hung magnet always comes to rest facing north-south.The magnet's poles are arranged in pairs. i.e. magnetic monopole doesn't exist.Learn more about magnet here:
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Can someone please help me with this biology question?
Answer:
I think it's C. The female parent hemophiliac..eta
but I would wait for a second opinion