How many chromosomes does this cell have?

Answer:

★ C. fossils of marine organisms are found at the top of some mountains

Explanation:

Hope you have a great day :)

Answer:

The answer is B.Changed from it's original state.

Answer: B. Changed from its original state

Explanation: Metamorphic rocks are rocks that change form.

Answer:

A. Robert Koch

Explanation:

I got a 100 on the pre-test (Edgen2021)

Robert Koch made tests that helped confirm that bacteria and other microorganisms cause a variety of diseases.

Robert Koch was a scientist that work to identify many pathogenic microorganisms (e.g., bacteria and fungi).

In conclusion, Robert Koch made tests that helped confirm that bacteria and other microorganisms cause a variety of diseases.

Learn more about Robert Koch here:

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Answer: The correct option is A (detritus).

Explanation:

The sea star also called the star fish belongs to the phylum echinodermata. They are slow moving marine animals living on the sea-shores and sea beds. They possess tube feet under their arms which enables them to move to location where they can obtain food.

During feeding, the star fish is capable of pouring digestive enzymes on the soft tissue of its prey. Once liquefied, it absorbs it into its stomach. The following are the different types of food that a star fish can feed on:

--> coral,

--> sponges,

--> clams,

--> oysters,

--> sand dollars, and mussels

They also feed on dead or decaying debris of different plants and animals. These dead or decaying debris are also called DETRITUS. A detritus is made up of leaves and other plant parts, animal remains and waste organic products that fall into water bodies from the kelp forests along the North American coastline.

Answer:

The correct answer is - 5.

Explanation:

The percentage of the error in any experiment can be calculated by the ratio difference between the target value and the observed value over the target value into 100.

Percentage error =  {|Vtrue - Vobserved|/Vtrue}× 100

Solution:

percentage error = (5.6/112)*100

= 0.05*100

= 5

Thus, the correct answer is - 5.

Answer:

Hello There!!

Explanation:

The answer is=>It is mosly measured using the average surface temperature if the planet/Earth.

hope this helps,have a great day!!

~Pinky~

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Climate change is most commonly measured using the average surface temperature of the planet.

Answer:

Figure 19.2. The Light Reactions of Photosynthesis. Light is absorbed and the energy is used to drive electrons from water to generate NADPH and to drive protons across a membrane. These protons return through ATP synthase to make ATP.

Explanation:

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Answer:

Changes in local environments can have global effects for several reasons. Animals, like birds, migrate from region to region. A change in one of their environments can cause behavioral changes which will affect other organisms living in these environments. Air and water move among regions.

Explanation:

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Answer:

It will contain a larger proportion of flies that lay eggs in sap because the trait results in a higher chance of reproducing successfully and passing on the gene

Explanation:

Over the years the population of flies that lays egg in the rotten bark will reduce this is because of the low chance of reproducing and there will be an increase in the population of flies that lays egg in the sap because the flies have a higher chance of reproducing successfully leading to an increase in the population and the ability of the gene to be passed on successfully to their offspring in next generation.

Complete question:

1. The graph below depicts the frequency of expression of the coloration of beetles on an island:

Graph is the 1st Pic --> Attached files    

Birds are the main predators of these beetles; they hunt the beetles by sight and pick them up off of the tree bark where they feed. A logging company clears the trees off of the island and plants younger trees as a replacement. Trees with light bark are planted on one side of the island and trees with dark bark are planted on the other side of the island. What do you predict would happen to the range of coloration in the populations of beetles on each side of the island?

Select TWO answers, one to represent the beetles living on the light colored trees and one to represent the beetles living on the dark colored trees. (2 points)

A. graph 2 below

B. graph 3 below

C. graph 4 below

D. graph 5 below

Answer:

B. graph 3 below

D. graph 5 below

Explanation:

The original population of beetles (Graph 1) shows that most individuals had an intermediate phenotype between dark and light color. The graph expresses its highest point in the middle of the phenotypic ax, while the curve´s tails coincide with light and dark colors.

Probably, most of the trees inhabiting the whole island had some darkish color tone, which beetles used to camouflage and avoid predation.

When the company cleared the area and reforested, they planted light trees on one half and dark trees on the other half of the island. This change in the environment modeled the beetled phenotype, together with predation pressure.

If we consider the whole original population, we should say that it went under a disruptive selection. But if we think about the sides of the island separately, we could say that the population living on each side went under directional selection. We are not thinking about the whole population of beetled inhabiting the whole island, but two groups inhabiting each side of the island.

Answer:

B. between 400 million and 500 million years

Explanation:

Process of elimination  

Answer: Answer is B, Younger than 400 million years

Explanation:

The age of rock layers in a stack reflects the order in which they were deposited—the lower layers were laid down first, and then the upper layers were laid on top of them. So, the lower layers and fossils they contain are older than the upper layers and fossils. This is known as the principle of superposition.

In this example, Layer 1 was deposited first, then Layer 2, Layer 3, Layer 4, and Layer 5. Layer 1 is the oldest, and the layers get younger as you move up through the stack.

If the age of a particular layer is known, then the relative age of other layers can be determined. In this example, Layer 4 is 400 million years old. This means that the layer above it is younger than 400 million years and the layers below it are older than 400 million years. Layer 1 is 500 million years old. This means that layers above it are younger than 500 million years.

Layer 5 is above Layer 4, so it must be younger than 400 million years.

Answer:

D.) They are heterotrophs

Answer:

Photosynthesis is the process by which energy is converted to chemical energy in plant cells. In cellular respiration plants use the chemical energy stored during photosynthesis in basic life processes. During both photosynthesis and cellular respiration, energy is converted.

Explanation:

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Answer:

1. A

2. D

3. A

4. B

This is the answers

Answer:

The chromosomal rearrangement resulted from a rare somatic mutational event that occurred in utero

Explanation:

Leukemia is a progressive type of cancer where immature white blood cells (leukocytes) proliferate uncontrollably. Next-generation sequencing (NGS) technologies have shown that somatic mutations are relatively common in different types of leukemia such as, for example, acute myeloid leukemia (AML). Moreover, identical twins are developed from one fertilized egg (ovum) that splits and develops into two identical individuals that share all of their genes (i.e., they have exactly the same genetic information). In this case, it is expected that leukemogenesis was initiated in the utero by the occurrence of a chromosomal rearrangement and proceeded early during development as distinct clonalities. In addition, the fact that identical twins developed leukemia at different times in their lives also indicates that this malignancy wasn't caused by only one mutation, but instead it was triggered by multiple mutational events (i.e., leukemia is a multistep cancer caused by secondary genetic changes).

Answer: c,d,e

Explanation:

I did this and this is correct

Answer:

The following Statements accurately portrays role of natural selection in antibiotic resistance

c) some bacteria possess a gene for bacterial resistance. these bacteria are likely to survive a course or antibiotics and reproduce.

d) bacteria containing the gene for antibiotic resistance can share a plasmid of the gene with other bacteria, allowing the population of bacteria with antibiotic resistance to survive and reproduce

e) when someone quits taking an antibiotic when they are feeling better, they likely kill only the weaker bacteria. the bacteria with a gene for antibiotic resistance survive, giving them the opportunity to reproduce

Explanation:

When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving any surviving bacteria to pass on their resistant features to succeeding generations.

As in option C , bacteria possessing better gene will b selected by the nature and hence portrays Natural selection

In option d Bacteria reproduce by plasmid (extra chromosomal DNA ) transfer . Bacteria with antibiotic resistant gene with pass these genes to the succeeding generations.

When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving  bacteria possessing gene resistant against antibiotics. Here, Darwin’s theory of natural selection comes in. This gives the bacteria an advantage over other(which do not possess antibiotic resistant gene) this bacteria will grow better than its neighbors and can increase in numbers

In option e When one quits antibiotics before completing the entire course of any prescribed antibiotic. The antibiotic   resistant bacteria survives. Bacteria that are not controlled or killed by antibiotics. They are able to survive and even multiply in the presence of an antibiotic.

Learn more about Natural Selection in Antibiotics

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Answer:

In genetics, Hh means a heterozygote.

Explanation:

Usually, in genetics, H would be the dominant, and h would be the recessive trait. HH is usually dominant, and hh would be recessive. So, Hh would mean a heterozygote. In a heterozygote, this would mean that the recessive trait is in the genotype, but the dominant trait would still take over. This also means that sometimes, the recessive trait can be shown along with the dominant. This can be possible through co-dominance, and incomplete dominance. Hope this helps!

Answer:

CORRECT (SELECTED)

Heterozygous; one dominant allele and one recessive allele

Explanation:

A heterozygous individual (Hh), also known as a carrier, has a genotype with one dominant allele (H) and one recessive allele (h).

Answer:

Inhibitor molecules that interfere with GAP activity

Explanation:

The mitogen-activated protein kinase (MAPK) is a pathway composed of proteins that amplify and integrate signals from receptors localized on the surface of cells and trigger the transcription of specific genes in the nucleus of the cell. In eukaryotic organisms, the MAPK pathway is known to control critical cellular processes such as, for example, cell proliferation, cell differentiation, cell death, etc. RAS proteins are GTPases localized to the plasma membrane involved in MAPK signaling. Moreover, the GTPase activating proteins such as RasGAP (Ras GTPase activating protein) regulate Ras-GTP bound by promoting GTP hydrolysis. It has been shown that RasGAP expression is down-regulated in different types of cancer. In this regard, it has been proposed that the interference of GAP activity should result in an enhanced Ras protein activation in cancer cells, thereby initiating tumorigenesis by inducing, for example, uncontrolled cell proliferation.

Answer:

First off it would 'attack' the immune system, the virus would attach itself to healthy cells, then continue to move through your body - your bodies first response is always going to be your immune system - it's going to fight the foreign visitor aka the virus. The virus will then move down towards your respiratory system. And given the symptoms that you may experience whilst your body is fighting the virus is how it may work with other systems (these two being the main ones) for example; diarrhea, nausea/vomiting, headaches, sore throat, etc. And it will also depend on the patients history. Hope this helps.

Explanation:

Answer:

Because you still have to obtain degree in your nursing

Answer:

The solution to these question can be defined as follows:

Explanation:

Both students including athletes who undertake the program can be assigned slots relating to some period the classical or athlete should report completing their practice. The slots aren't allowed to continue.

They have a structured exercise template for each person, that helps for easy student or athlete monitoring, based on their skill.

This can be encouraged to students and teachers to attend daily and midday meetings.

Answer:

C) Use alternate sources of energy such as wind

Explanation:

Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.

Answer:

being poisonous plant helt a plant to not b eaten by pests

Explanation:

plants grow well without being affected

Answer:

a. rigor mortis.

Explanation:

Electricity refers to the power generated from various power sources or power plants such as hydroelectric, wind turbine, solar, nuclear, etc.

Generally, the power supplied to homes, offices and buildings cycles at a frequency of 60 Hertz or 50 Hertz depending on the parameters chosen in countries. If a power line is dropped accidentally into a holding tank for frogs, it would immediately cause their muscles to become stiff due to the current flowing through the power line i.e because the power line is energized and has electrons moving across its terminals. This stiffness is because the high frequency stimuli is causing rigor mortis.

Answer:

Los pinzones de Darwin, como resultado de una sequía en 2004, ... Es la mayor evidencia de la evolución de las especies. ... sangre de aves marinas, semillas y néctar de flores de cactus. ... el tamaño de su pico, comparándolo con el gran pinzón terrestre en la ... Pinzón de Darwin pico afilado y pequeño.Explanation:

Answer:

I think it's a and d sorry if I was wrong.

Explanation:

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