Question

In a cell, what is the function of the cell membrane?
A. It generates energy for the cell.
B. It only maintains the cell shape.
C. It controls the entry and exit of substances.
D. It removes waste and stores ingested food.

Answer 1

I am stumped

Answer 2

@jennaknight03 its ok :)
its not A becuase ATP generates energy
its C , transport of substance in and outside is its main fuction

Answer 3

What body systems are related to taking in nutrients and expelling them from the body?
A. digestive and excretory
B. endocrine and excretory
C. nervous and circulatory
D. digestive and circulatory

Answer 4

d

Answer 5

no its A .
Circulatory is for transport

Answer 6

good job :)

Answer 7

next,Every cell is surrounded by a thin membrane. What is the main function of this cell membrane?
A. to limit the size of the cell and keep the shape of the cell the same

B. to protect the cell from invasion by bacteria and viruses

C. to allow each cell to form connections with other cells

D. to separate the inside of the cell from the outside environment

Answer 8

stuck