Which of the following choices correctly describes the co...
Which of the following choices correctly describes the composition of the cell membrane?
contains only lipids
contains lipids and protein
contains lipids and cytosol
contains only proteins
Correct answer is B
It consists of a lipid bi-layer with embedded proteins. The basic function of the cell membrane is to protect the cell from its surroundings.
The cell membrane controls the movement of substances in and out of cells and organelles. In this way, it is selectively permeable to ions and organic molecules.
In the kidney, both useful substances and waste are removed from the blood by ...
An example of cryptic colouration is the ...
Which of the following organisms are the producers in an aquatic habitat? ...
The bicuspid valve is located between the ...
The farming practice in which an exhausted farm land is left for a number of years before culti...
The speed of wind is measured using the ...
The mouth part of a mosquito through which it sucks the blood of its victim is called ...