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ValentinkaMS [17]
3 years ago
9

Proteins regulate cell process, transport substances into or out of cells, and help

Biology
2 answers:
evablogger [386]3 years ago
4 0
Form bones and muscles
ExtremeBDS [4]3 years ago
3 0

Answer:

B

Explanation:

I think it's B since proteins don't control blood pressure or temperature. Also I'm pretty sure they don't regulate the body's PH

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Which of the following occurs when a cell repairs a double-strand DNA break by the process of nonhomologous end joining? 1.The D
victus00 [196]

Answer:

option 3

Explanation:

In non-homologous end joining, the break ends are directly ligated together without the need for a homologous template unlike the homologous repair. this form of repair uses short homologous sequences of DNA termed microhomologies to direct repair and these microhomologies are seen as single-stranded overhangs found on the ends of double-strand breaks. When the overhangs are perfectly compatible, NHEJ ligates and repair the break. When these overhangs are not compatible, imprecise repair leading to deletion of nucleotides can also occur which is much more common .

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3 years ago
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How are monosaccharides and polysaccharides different?
sattari [20]
Polysaccharides at made up of 2 or more monosaccharides bonded together
3 0
2 years ago
_The endplate potential (EPP) at the frog neuromuscular junction occurs because ACh simultaneously increases the conductance of
Hoochie [10]

Complete question:

The endplate potential (EPP) at the frog neuromuscular junction occurs because ACh simultaneously increases the conductance of the postsynaptic membrane to Na and K

  • True
  • False

Answer:

TRUE

Explanation:

The Acetylcholine neurotransmitter is released from the presynaptic cell by the process of exocytosis.

Once the molecule is in the intercellular space, it moves forward the postsynaptic membrane to join its receptor in the motor plate.

Once the joining has occurred, the receptor acquires a channel shape allowing the ion transference that will make possible the modification of the action potential. Ions traffic will consist of the pass of sodium and calcium to the interior of the cell and potassium to the exterior. Quantitatively, the interchange Na-K is the most significant.

K+ follows a concentration gradient, while Na+ follows an electrochemical gradient. The interchange results in an increase of positive charges in the interior of the muscular cell.

Whenever there is a sufficient number of Acetylcholine receptors are active, the depolarization threshold of the motor endplate is exceeded. This activates an action potential that extends to the rest of the muscle membrane.

5 0
2 years ago
Blood is a mixture of a variety of materials. Some of the materials are dissolved in the fluid portion of blood. Other materials
boyakko [2]

Answer:

Blood is a suspension

Explaintion

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which statement best describes vascular tissue in seed plants xylem carries food produced by the leaves to the rest of the plant
laila [671]

Answer:

The statement that best describes the vascular tissue in seed plants is that xylem carries water and nutrients from the roots to the rest of the plant.

Explanation:

Xylem corresponds to the tissue of the vascular plants that is responsible for the transport and distribution of liquids necessary for their development.

The main function of xylem is to<u> carry water, mineral salts and other nutrients -in the form of raw sap- from the root to the whole plant</u>, forming a network similar to the circulatory system of higher animals.

7 0
3 years ago
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