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Many prokaryotic cells can metabolize starch but it is too large to pass through the plasma...

Many prokaryotic cells can metabolize starch but it is too large to pass through the plasma membrane. How does a cell ultimately keep the monosaccharide inside the cell for further metabolism?

a. amylase enzyme

b. group translocation

c. diffusion

d. pinocytosis

e. facilitated diffusion

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Answer #1

Correct answer is b. group translocation. In a unique method used by prokaryotic cells for sugar uptake and regulation. It uses the active transport method for sugar uptake such as glucose, mannose and fructose. It is a regulated by various transport protein.

Other options are wrong because

Amylase enzyme breaks down starch to simple carbohydrates.

Diffusion is simple transport of solutes from high concentration to low concentration.

Pinocytosis is the engulfing of suspended particles in the extracelluar matrix by invagination in the cell membrane.

Facilitated diffusion helps in the transport of monosaccharides into cell in eukaryotes.

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