LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which structure is not a component of all cells?
A
cell wall
B
cell membrane
C
genetic material
D
ribosomes
Explanation: 

Detailed explanation-1: -Unlike the animal extracellular matrix, which is rich in protein and other nitrogen-containing polymers, the plant cell wall is made almost entirely of polymers that contain no nitrogen, including cellulose and lignin.

Detailed explanation-2: -Cell wall is absent in animal cells and the cell membrane is the outermost covering in them.

There is 1 question to complete.