What is the relationship between CdKs and cyclins?

The supporting function in the cells is performed by the centriole. Centrioles are the paired barrel-shaped organelles. Thus, the correct option is C.

Centrioles are the paired barrel-shaped organelles which are located in the cytoplasm of the animal cells near nuclear envelope. Centrioles are responsible for playing a major role in the organization of microtubules that serve as the cell's skeletal system. Centrioles help in the determination of locations of the nucleus and other organelles which are  present within the cell.

Centrioles are responsible for the organization of spindle fibers in the mitotic spindle apparatus and are also found to participate in the completion of cytokinesis during cell division.

Most of the centriole molecules are made up of nine circularly arranged triplet microtubules. In this, a triplet microtubule has a complete microtubule that is the A-tubule onto which the other two additional partial microtubules are assembled that is the B- and the C-tubules, respectively.

Therefore, the correct option is C.

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Answer:

Liquid Water is the primary erosive agent on Earth. Rain, rivers, floods, lakes, and the ocean transport soil and sand and gradually wash away the silt.

Explanation:

Answer:

C

Explanation:

A sun is a burning hot planet so it cant even be in the food chain.

The correct option is (c) Sun can be left out of a food chain.

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Answer: The two main types of leukocytes are granulocytes and mononuclear leukocytes (agranulocytes).

Explanation:

Answer:Chromatin - protein-DNA complex;

Histone - individual proteins;

Nucleosome - 146-147;

30nm fiber - a zig zag;

heterachromatic - highly compacted

Explanation:very simple

The matching of the description with respect to the correct chromosomal structure is as follows:

Chromosomes may be characterized as the thin, thread-like structure that generally appears during cell division. These threads are correspondingly made up of DNA, RNA, histones, and some non-histone proteins. Chromosomes were first discovered by E. Strasburger in 1875.

Each and every chromosome has constriction which is called the centromere. Based on the structure and position of the centromere, chromosomes can be classified into four types, i.e. acentric, telocentric, metacentric, and submetacentric.

Therefore, the matching of the description with respect to the correct chromosomal structure is well mentioned above.

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The viral RNA, dsRNA, blocks the expression of certain genes by degrading mRNA molecules. Option D. It destroys mRNA instead of making proteins.

dsRNA is a viral bi-catenary RNA. It is a double-stranded molecule (double-strand, ds).

dsRNA is capable of silencing specific sequences of certain genes. The dicer enzyme cuts dsRNA molecules and produces siRNA small interfering RNA).

siRNAs suppress the expression of target genes when cutting messenger RNA into two halves.

The two mRNA halves are later degraded by the cellular machinery, leading to the suppression of gene expression.

Option D. It destroys mRNA instead of making proteins.

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Answer:

The total amount paid for the loan can be calculated as follows:

Total amount = Principal + Interest

Where Principal is the amount borrowed, and Interest is the additional amount charged for borrowing the money.

Given:

Principal (P) = $3200

Interest rate (r) = 5% = 0.05 (as a decimal)

Time (t) = 4 years

Using the simple interest formula:

Interest = P × r × t

Interest = $3200 × 0.05 × 4

Interest = $640

Therefore, the total amount paid for the loan is:

Total amount = $3200 + $640

Total amount = $3840

Hence, the total amount paid for the loan is $3840.

Explanation:

Answer:

the Punnet square is

    D     d

D  DD  Dd

d   Dd  dd

the chart is

DD    deafness        25%

Dd     maybe deaf   50%

dd     not  deaf         25%

I'm not 100% sure this is right, but I think it is, hope this helps

Answer: venus flytrap and etc

Explanation:

venus flytrap is a type of plant where they eat small insects for its nutrients

Answer:

A. Introducing a new organism ALWAYS benefits the native organisms in an ecosystem.

Explanation:

An invasive species refers to a species that is not native/indigenous to a particular area or ecosystem. As the name suggests, they "invade" the entire ecosystem by rapid growth of population and cause great harm and damage to the ecosystem.

Let us analyze each of the options.

A. Introducing an invasive species is not beneficial, rather it is very harmful to the other species of the ecosystem. Hence it is not a possible effect.

B. Due to rapid increase in population, the invasive species consumes more number of resources, thus it causes reduction in natural resources. Thus native organisms will be deprived of resources. Hence it is a possible effect.

C. As mentioned above, when there is a reduction in available resources, the natural organisms are deprived of food and nutrition, which causes decrease in their lifespan and ultimately causes death and eviction of the species. Hence it is also a possible effect.

D. Since the invasive species is introduced in the given area from an external source, there won't be any natural predators in the new area, so the species will thrive well and thus cause overpopulation. Hence it is also a possible effect.

The question asks for an effect that is NOT possible, so the required answer is A.

As we can see there is a significant increase in the population at the year 7, for a population to increase its numbers, means that there are favorable conditions for the population to be prosperous, so options b, c, and d actually harden environmental conditions which would lead to a decrease in population numbers, therefore, we can say that the correct answer is the option a.

Answer: I did it on paper, than scanned it.

Explanation:

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A) at planting time

\( \sf \: a) \: \boxed{ \underline{\bf \: \: at \: planting \: time}} \: \sf is \: the \: answer.\)

Pronation is the motion of the skeleton muscle which involves putting your hand out straight and then turning it over and back again.

Pronation is the motion which moves the forearm (hand) from the anatomical position to the pronated position or palm backward. This motion of the forearm is produced by the rotation of the radius at the proximal radioulnar joint of the forearm, accompanied by movement of the radius at the distal radioulnar joint of the hand.

Overpronation is linked to several conditions and symptoms, such as Achilles tendinitis. Achilles tendinitis happens when we put stress on the Achilles tendon. Bunions are the painful bony lumps on the outside of the big toe. Heel pain can have pain behind, beneath or within the heel bone.

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Lacy wants to design an experiment that will show ovary part of a tomato flower grows into the tomato fruit.

The female reproductive organ present in flowering plants is the ovary. It is present in the flower's gynoecium. It is a portion of the pistil that holds the ovules and is located near the base of the sepals and petals. A single carpel or numerous carpels joined together can form the pistil.

Ovaries, as we know, are an essential component of the plant's female reproductive system. Well, the ovaries are where pollen is kept before developing into ovules and ultimately seeds. These seeds then germinate, causing the ovaries to grow and convert into fruits.

Even though the blooms are self-fertile, the pollen is nevertheless moved to the female half of the blossom by wind and the buzzing of bees' wings. The young tomato grows after fertilization, when the petals and stamens fall off.

So, Lacy will show ovary part of a tomato flower grows into the tomato fruit.

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Trout's population decreases due to less food.

The problem is unavailability of sufficient amount of food which decreases the population of trout fish. Food is the limiting factor which decrease the population of trout and disturb the whole ecosystem.

Humans can alter carrying capacity by providing more food so that the trout population returns to its normal level because food is the limiting factor here.

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The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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Answer:

9

Explanation:

Number of electrons = Number of protons = 9

Answer:

-8-2=-10

+9-1=8

-12-48=-60

Explanation:

Answer:

The Ventral (anterior) trunk.

Explanation:

Generally speaking, the anterior/ventral ramus innervates the skin and muscle on the anterior aspect of the trunk.

!DISCLAIMER!  I am not 100% sure on this.

Answer:

I think its B...

Explanation:

Answer:

B.

Explanation:

I'm pretty sure its this one, tell me if I am wrong

It is false that pathogens must be blood-borne in order to initiate sepsis.

what are pathogens ?

A pathogen can simply mean an organism that causes disease or a living agent causing disease or illness to its host, such a case the organism or infectious particle  are capable of producing a disease in another organism.  

Examples of pathogens

some of the examples of Pathogens include:

what are blood-borne?

bloodborne can be referred to as any disease or any of a group of diseases caused by pathogens such as viruses or bacteria that can be carried in and spread through contact with blood.

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Sepsis or septisemia is the severe organism reaction to blood infection by bacteria cells. False. Pathogens must not be blood-borne in order to initiate sepsis.

Sepsis, also known as septicemia, is a severe reaction or response of the organism to the blood infection by pathogen agents, like bacteria cells.

Sepsis might provoke a decrease in blood pressure, limiting its circulation in the body, and affecting different organs and structures.

It is mostly caused by external bacteria that infect the organism and is usually worse in people with a weak immune system that can not fight infections.

The statement is false. Pathogens DO NOT NEED to be blood-borne in order to initiate sepsis.

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The endosymbiotic theory states that common organelles found in eukaryotes were absorbed into the eukaryotic cell.

There are 3 big pieces of evidence to support this:

0. DNA

1. Ribosomes

2. Double-layered cell membrane

DNA is found not only in a eukaryote's cell nucleus but also in the mitochondria. If the mitochondria has its own DNA (denoted as mtDNA), then it supports the fact that it carries out their own functions.

• Mitochondria DNA allows the mitochondria to produce proteins and enzymes necessary for the production of ATP.

Ribosomes are also found in the mitochondria and chloroplasts. This should make sense since the organelle must be able to synthesize necessary proteins to be able to do the processes it needs to do.

• This is the main function of ribosomes

• Ribosomal function is necessary when DNA is present.

Both chloroplasts and mitochondria both have a double membrane as well. This piece of evidence shows that it could be evidence of the endosymbiotic theory as mitochondria and chloroplasts function independently.

• During cell division, the chloroplast and the mitochondria ,duplicate, and ,divide, ,separately,.