Biology Quiz 09

A cell wall composed of

Chemically cell membrane is composed of closely associated molecules of

The movement of materials across the cell membrane with the help of biological energy provided by ATP is called

It is the process in which the cell membrane helps to take in material by infolding in the form of vacuole

It is the basic structure found in all membranes such as those of mitochonchondria and chloroplasts.

Chemically the secondary wall is composed of

Through cell membrane, which substances can pass more easily than others?

What is the percentage of lipid molecules in the cell membrane?

Which molecules or ions cannot easily pass through membrane?

1974 In cell membrane in addition to proteins and lipid there is a small of quantity of

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