AP BIOLOGY

THE CELL

STRUCTURE AND FUNCTION OF THE CELL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not true of the cell membrane?
A
It is semipermeable.
B
It allows only certain items to enter or leave the cell.
C
It is made out of nucleic acids
D
It is a double layered membrane.
Explanation: 

Detailed explanation-1: -Final answer: d) Carbohydrate is never found in it.

Detailed explanation-2: -So, the correct answer is ‘Lignin’.

Detailed explanation-3: -Which of the following statements is/are true regarding a cell membrane? It is living. It is mainly composed of lipids and proteins. It is a semi-permeable membrane.

Detailed explanation-4: -Answer and Explanation: There are no nucleic acids in the plasma membrane because nucleic acids are charged. This means that they are unable to interact with the uncharged hydrophobic lipids of the plasma membrane and they are thus restricted to the cytoplasm and nucleus.

There is 1 question to complete.