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3 years ago

Which of the following statements correctly describes cytokinesis?

Biology

1 answer:

Bingel [31]3 years ago

7 0

Answer:

Cytokinesis is the stage of the cycle when the genetic information is replicated, resulting in two daughter cells and takes place after mitosis.

Explanation:

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Select the correct statement about lymphocytes. A) B cells produce plasma cells, which secrete antibodies into the blood. B) The

kogti [31]

Answer:

A) B cells produce plasma cells, which secrete antibodies into the blood

Explanation:

There are two types of lymphocytes present in blood. These are namely, B lymphocytes and T lymphocytes. The B lymphocytes are activated with help of T lymphocytes. The activated B cells divide and produce a large number of cells that differentiate into the plasma cells. These plasma cells finally produce antibodies against specific antigens.

8 0

3 years ago

At the beginning of cellular respiration, energy is stored in the bonds of blank molecules.

PtichkaEL [24]

<em>At the beginning of cellular respiration, energy is stored in the bonds of</em> glucose <em>molecules. </em>

<em>At the end of cellular respiration, energy is stored in the bonds of</em> ATP <em>molecules. </em>

3 0

3 years ago

Use the following template strand of DNA and the coding table to determine the correct amino sequence and write this sequence be

REY [17]

DNA and RNA have the main difference in the presence of deoxyribose sugar in DNA and ribose sugar in RNA. One more is the presence of thymine in DNA while the presence of uracil in RNA.

<h3>What is the codon?</h3>

Codon is actually a three-letter code which is a sequence of three consecutive nucleotides in a DNA or RNA molecule which generally codes for a specific amino acid.

The DNA sequence given here is:

T A T A T C T A C G G T C C G G C A T C G A T T T C G

So the RNA sequence for this will be:

A U A U A G A U G C C A G G C C G U A G C U A A A G C.

So according to the table, the amino-acid sequence will be:

Isoleucine STOP Methionine Proline Glycine Arginine Serine STOP Serine.

Generally stop codon is responsible for the termination of protein synthesis.

Thus, this was the amino acid sequence for mRNA according to the given DNA sequence.

For more details regarding codon, visit:

brainly.com/question/22991780

#SPJ1

3 0

2 years ago

Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell memb

aniked [119]

Answer:

B (active transport using ATP)

Explanation:

Movement of substances normally occur in the direction of concentration gradient/difference i.e. the difference in concentration of a substance across a membrane. Letting molecules diffuse or pass down their concentration gradient does not require energy but pumping those molecules against gradient requires energy in form of Adenosine triphosphate (ATP). This process is called Active transport.

In order to perform certain cellular processes, cells need to move substances from their surroundings into the cell across their cell membrane. Moving this substances against the concentration gradient between the cell membrane and its extracellular fluid requires energy (ATP).

An example is the sodium-pottasium pump employed by animal cells in which they expend energy to move K+ molecules into the cell and Na+ molecules outside the cell against the concentration gradient of their cell membrane and extracellular solution.

5 0

4 years ago

"The diagram shows the inside of a eukaryotic cell.

NARA [144]

The process which occurs in the structures that are labeled X is Kreb's cycle.
It has to do with releasing stored energy in the form of adenosine triphosphate (ATP). This is an extremely important part of metabolism and was first introduced by Hans Adolf Krebs in 1937.

5 0

4 years ago

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