Explain why the rate of cell division differs among different somatic cells.

The state of matter of a material depends on its temperature. Therefore, option B is correct.

One of the several configurations in which matter can exist is a state of matter. Solids, liquids, gases, ionized plasma, quark-gluon plasma, bose-einstein condensate, and fermionic condensate are the seven states of matter.

Particles in a solid, liquid, or gas move more quickly because their kinetic energy increases as their temperature rises. The particles slow down as the temperature drops. When a liquid is sufficiently cooled, it turns into a solid. A gas is created when a liquid is sufficiently heated. The most affected state of matter is gas.

This is how the state of matter of a material depends on its temperature. Therefore, option B is correct.

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Answer:

What problems do larger cells need to overcome in order to exist. They must overcome the fact that, as they get larger, their surface-to--volume ratio becomes so small that simple diffusion can't take care of their needs (there's not enough surface area for things to come and go in satisfactory quantities

Explanation:

Answer

All four options ( A,B,C,D ) are true about mutations.

Explanation:

A-  Mutation can provide an evolutionary benefits

As mutation helps in creating DNA  sequence ,new allele(variant of gene) for a specific gene , thus mutations is known to be the first step of evolution.

B- Mutation leads to genetic and phenotypic variation within the species.

In mutation, genetic  variation (difference between individual/population) takes place as new alleles are created ,random matings ,fertilization and during meiosis , recombination of homologous chromosomes. One of the type of mutation called gene mutation give rise to genetic variations.

Its an exceptional case of phenotypic variations ,as mostly there is no effect of mutation on phenotypic variation. Very few mutations lead to phenotype variation and in case mutation takes place in phenotype variation ,making the organism well suited to the environment, the a rapid change  in the characterstics of the individual species is seen.

C- In humans, the somatic cell mutation are not passed in offsprings.

Somatic cells are present in all over the body except in the cells that give rise to gametes( ie. egg and sperm cells) and produces offsprings . Thus somatic cells are absent in gametic cells ,therefore mutation cannot be passed to human's offsprings or children.

D- Evolution rates are faster in bacteria than in humans because most mutations in human cells are silent.  

Due to their fast  growth ,bacteria evolve quickly and share genes with each other and even between the species ,also the mutation that are helpful spread faster in bacteria.  

In humans, the silent mutation in human cells cause many genetic disorders like Laron dwarfism.  About 99.8% genes are silent mutation.

Answer:

Because of sea plants and the use chemical lighting instead of solar light.

Explanation:

The ocean has an aquatic ecosystem in which there is a majority of oceanic planktons, algae, drifting plants, and even some bacteria prepares their own food with the help of photosynthesis.

Photosynthesis may be defined as the process through which green plants and some algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.

About 50-70% of photosynthesis occurs in the ocean due to the presence of the excess amount of organisms that perform photosynthesis. It occurs in the euphotic zone of the ocean where sunlight easily falls.

Therefore, it is well described above.

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Answer:

a microscope

Explanation:

u cant use the other instruments to find out

Answer: A microscope

Explanation: The answer is c

Answer:

abiotic

Explanation:

Biotic- Living things

Abiotic- Nonliving things

Precipitation- Rain, snow, sleet, hail, etc.

Rain, snow, sleet, hail are not living things or biotic because they dont move, or do anythings that humans or plants or animals do. Instead, they are abiotic or nonliving things!

Answer:

What is anatomy?

Anatomy, a field in the biological sciences concerned with the identification and description of the body structures of living things. Gross anatomy involves the study of major body structures by dissection and observation and in its narrowest sense is concerned only with the human body.

or

The branch of science concerned with the bodily structure of humans, animals, and other living organisms, especially as revealed by dissection and the separation of parts.

Example of an anatomy

The study of the structure of the human leg is an example of a study in the field of anatomy. Animal anatomy is also called zoomy or zootomy; vegetable anatomy, phytotomy; and human anatomy, anthropotomy.

Two major types of anatomy

1) Gross (macroscopic) anatomy is the study of anatomical structures that can be seen by the naked eye, such as the external and internal bodily organs.

2) Microscopic anatomy is the study of tiny anatomical structures such as tissues and cells.

Answer:

- covers and lines body surfaces

- minimal intercellular substance

- cells are densley packed together

- cells rest on basement membrane

- simple (single line of cells) and stratified (multiple layers)

- squamous (oval like shape), cuboidal (cube shape), columnar (long rectangle shape)

- vascular (tissue doesn't have its own blood supply)

Explanation:

Hope this helps!

Answer:

Option: A and D are the correct answer.

A.   50%     and    D.    25%

Explanation:

We know that the probability of an event is the chance of occurring of an event.

The probability of an event always lie between 0 and 1.

It is equal to zero if the event will never occur and is equal to 1 if the event is certain to occur.

Also, the probability could be in ratio or it could be in percentage and the percent may be between 0%-100%

Hence, in the given options:

B)  557 is incorrect as the probability is greater than 1.

c) 1×104=104 is incorrect since the probability is greater than 1

Hence, the correct options are:

  A.   50%

and   D.   25%

Answer:

1,3,5,6

Explanation:

The correct answer is:

A. During meiosis, alleles can switch between homologous chromosomes through crossing over.

Crossing over, which occurs during meiosis, is the process where homologous chromosomes exchange genetic material. This can result in the swapping of alleles between linked genes, leading to new combinations of alleles on the chromosomes. As a result, linked genes may appear to follow the law of independent assortment, where alleles are randomly assorted into gametes.

During meiosis, crossing over allows alleles from linked genes to switch places and appear to follow the law of independent assortment.

In genetics, alleles from linked genes sometimes appear to follow the law of independent assortment due to the phenomenon of crossing over during meiosis. Crossing over occurs when homologous chromosomes exchange genetic material, resulting in the recombination of alleles on different chromosomes. This process can lead to the separation of linked alleles and the appearance of independent assortment.

For example, let's consider two genes located close to each other on a chromosome. Initially, the alleles for these genes are linked and inherited together. However, during crossing over, a break can occur between the genes, allowing the alleles to switch places. As a result, the alleles can end up on different chromosomes, leading to independent assortment.

Therefore, option A is the correct answer. Crossing over during meiosis allows for the exchange of alleles between homologous chromosomes and breaks the link between genes, resulting in the appearance of independent assortment.

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Answer:

Try mass and distance

Explanation:

Answer:

Food and Drug Administation (FDA)

Explanation:

I read the lesson. (Its not hard)

Answer:

.∵∴yeah, i agree with them. Thats the only one that fits.∵∴

Explanation:

Answer: B

Explanation: The others are all good effects of spraying pesticides. B is correct because it is a negative effect of doing so, and I know for a fact that pesticides are very bad for things that they aren’t meant for.

Answer:

A -  Cell 1 - Eukaryotic, Cell 2- Prokaryotic

Explanation:

In the given case,  Cell 1 is eukaryotic and Cell 2 is prokaryotic.

• All the living organisms comes in the two groups, that is, prokaryotes and eukaryotes.

• The unicellular organisms, which are devoid of membrane-bound compositions, for example the nucleus are the prokaryotes. They are small, simple and measure about 0-1.5 micrometer in diameter.

• The prokaryotic cells are devoid of membrane bound structures like nucleus and membrane bound organelles.

• On the other hand, the organisms, which possess a nucleus and other organelles surrounded by a plasma membrane are known as the eukaryotes.

• The internal structures, that is, the organelles are accountable for different functions, like synthesis of proteins and production of energy.

Thus, in the given question Cell 1 is eukaryotic and Cell 2 is prokaryotic.

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Answer:

Uracil

Explanation:

Adenine pairs with thymine and cytosine pairs with guanine in DNA but when it's RNA thymine is replaced with uracil

Answer:

Identical twins are also known as monozygotic twins. They result from the fertilization of a single egg that splits in two. Identical twins share all of their genes and are always of the same sex. In contrast, fraternal, or dizygotic, twins result from the fertilization of two separate eggs during the same pregnancy.

Explanation:

Hope that helps!

Answer:

think it is b

Explanation:

cause they not alive

Answer:

B

Explanation:

Explanation:

The evolution of bacteria has progressed over billions of years since the Precambrian time with their first major divergence from the archaeal/eukaryotic lineage roughly 3.2-3.5 billion years ago. This was discovered through gene sequencing of bacterial nucleoids to reconstruct their phylogeny.

Answer:

A meter is a metric unit of length used worldwide by scientists to measure lengths and distances between objects.

Answer:

first one

Explanation:

makes most sense,taking testrn

Answer:

it means proof of your a specific person

Explanation:

yes

Answer: Identity is not just how other know who you are, but it is what you are on the inside, like you're personality and memories. Identity encompasses the memories, experiences, relationships, and values that create one's sense of self. This amalgamation creates a steady sense of who one is over time, even as new facets are developed and incorporated into one's identity.

Explanation:

Answer:

I think B but I still could be wrong

sorry is I'm wrong

A protein that is bound for secretion from a cell is produced by ; ( C ) Ribosomes found on the rough endoplasmic reticulum

Proteins bound for secretion are produced by the Ribosomes that are found on the rough endoplasmic reticulum because the Ribosomes synthesizes the protein chain while sending it to the cisternae ( contained in RER ).

The proteins  synthesized and sent to cisternae are then secreted from the surface of RER.

Hence we can conclude that A protein that is bound for secretion from a cell is produced by Ribosomes found on the rough endoplasmic reticulum.

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Clear-cutting is the even-aged logging method that does the most damage. Other approaches to even-aged management include leaving one or two seed trees for the aim of refilling the area with pine cones.

Logging is essentially an action, and deforestation is the outcome of that action. But logging is just one of several factors that contribute to deforestation.

Urbanization, agricultural development, and climate change are all major factors in the devastation of our forests and tropical rainforests.

Another even-aged logging technique involves first removing certain trees and then later removing the remaining trees.

Therefore, Clear-cutting is the even-aged logging method that does the most damage.

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Answer:

Apoptosis, is an orderly process in which the cell's contents break down and are packaged into small packets of membrane for “garbage collection” by immune cells.

Every amino acids have the alpha carbon which is bind with hydrogen atom, carboxyl group, and amino group, R group. Due to variation in R group each amino acid is different from one another.

Amino acids are the basic organic component of protein which is essential to life as they involved  all cell functions.

Some proteins act as enzymes, antibodies, some provide structural support. There are 20 essential amino acids as they cannot naturally synthesized.

Structurally amino acids composed 4 different parts such as alpha carbon, a hydrogen atom (H), a Carboxyl group (-COOH), one Amino group (-NH2) and finally a variable R group.

On the basis of variable R group, amino acids have 4 categories such as  nonpolar, polar, negatively charged, and positively charged.

The amino acid sequence is the collection of information stored in genetic code of DNA and RNA.

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