9 Questions
What is the main function of the cell membrane?
Maintenance of cell shape and attachment to cytoskeleton
Which component makes up the highest percentage of the cell membrane?
Lipids
What is the role of cholesterol in maintaining cell membrane fluidity?
Preventing solidification of phospholipids during low temperatures
Which kind of movement is essential for the effective functioning of the cell membrane?
Rotation about its long axis
What is the main function of the cell coat on animal cells?
Containing carbohydrates
In what kind of movement does the cell membrane phospholipids rotate?
Lateral movement
What prevents the solidification of phospholipids in the cell membrane during low temperatures?
Increased saturation of fatty acids
What catalyzes the 'flip-flop' movement of cell membrane phospholipids?
'Flippase' enzyme
Which factor contributes to increased cell membrane fluidity during low environmental temperature?
'Lateral' movement of lipids
Test your knowledge on lysosomes and cellular respiration, including their functions, structures, and enzymatic activities. Learn about the acidic environment of lysosomes, the role of hydrolytic enzymes, and their impact on cellular digestion.
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