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Ahat [919]
3 years ago
6

Sve oqi71383486

Biology
1 answer:
lilavasa [31]3 years ago
3 0
Gummy gummy gummy gummy gummy bear
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Which substance on the plasma membrane helps identify chemical signals from outside the cell?
nikdorinn [45]

Answer:

The correct answer is carbohydrate chain.

Explanation:

Plasma membrane contain three types of protein  a peripheral protein b transmembrane protein and c GPI anchored protein.

    Some membrane protein basically peripheral proteins contain oligosaccharide chain arranged towards the extracellular region of the plasma  membrane with respect to the surface of that glycoprotein.

   The oligosaccharide chain of glycoprotein play an important role in to identify signals from outside the cell.These signals may include the entry of virus particles inside our body,protein targeting etc.

8 0
3 years ago
1. Rahul was a student of Class VII. His father purchased a new bicycle for him on his birthday. After few months, he found that
Romashka [77]

Answer:

<h3> (a) Why his cycle gets rusted? </h3>

<h3>Answer :-</h3>

His cycle got rusted bcoz as his cycle was made of iron which came in contact with oxygen and got rusted.

<h3>(b) What do you mean by rusting of iron?</h3>

<h3>Answer :-</h3>

Rusting is the phenomenon of the deposition of a reddish-brown coating on the surface of iron by the action of moist air, and the reddish-brown coating is known as rust.

<h3>(c) What values are shown by Rahul’s father?</h3>

<h3>Answer :-</h3>

He knew that the cycle would surely get rusted in the presence of water and oxygen. This shows his knowledge of science.

Explanation:

<h2>Hope it helps you ツ</h2>
8 0
2 years ago
What is the role of tRNA?
ElenaW [278]

The answer is A.

tRNA brings amino acids in the cytoplasm of a cell to the ribosomes in said cell during RNA translation, allowing the formation of a protein.

7 0
3 years ago
Read 2 more answers
An acid is added drop-by-drop, to a neutral solution of water. Which statement could be true about the change in pH that occurs
Lostsunrise [7]
It slowly but surely goes up on the ph scale
8 0
3 years ago
The passing on of genes from parents to their offspring is known as
hodyreva [135]

Answer:

Heredity

Explanation:

there is no explanation for this

7 0
3 years ago
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