Cellulose is the main substance found in plant cell walls and helps the plant to remain stiff and strong. Humans cannot digest cellulose, but it is important in the diet as a source of fibre. Cellulose is used to make clothes and paper.

Explanation:

have a nice day,

-cherry :)

6 0

3 years ago

Once inside the body , hiv's surface glycoproteins can mutate to recognize a new type of cell receptor. how does this mutation a

alex41 [277]

To kill a foreign object, the white blood cells need to recognize the object by looking at their cell receptor. If the virus changes its receptor, it won't be recognized by the white blood cells. The immune system cant fight the infection if they don't learn to recognize the new form of the virus. This makes the virus hard to fight

7 0

4 years ago

Which element is found in nucleic acids but not in amino acids? carbon hydrogen nitrogen phosphorus

nlexa [21]

Answer:

phosphorus

Explanation:

3 0

3 years ago

Read 2 more answers

Mr. Thompson needs to move two large boxes of toys from the store to his house. The first box measures 6 ft long × 4 ft tall × 5

scoundrel [369]