Which of the following factors would tend to increase membrane fluidity? A) A greater proportion of unsaturated...

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Biology

Which of the following factors would tend to increase membranefluidity?

A) A greater proportion of unsaturated phospholipids

B) A greater proportion of saturated phospholipids

C) A lower temperature

D) A relatively high protein content in the membrane

E) A greater proportion of relatively large glycolipidscompared with lipids having smaller molecular masses

Which state correctly describes bound ribosomes? Choose allcorrect states.

A) Bound ribosomes are enclosed in a membrane.

B) Bound and free ribosomes are structurally different.

C) Bound ribosomes are most commonly found on the surface ofthe endoplasmic reticulum.

D) Bound ribosomes generally synthesize membrane proteinssecretory proteins

E) Bound ribosomes produce alpha- and beta-tubulins.

Answer & Explanation Solved by verified expert

4.5 Ratings (940 Votes)

As long as the membrane is overcrowded with lipids it stays flexible With high levels of saturated fatty acids the membrane loses its flexibilityfluidity So greater proportion of unsaturated phospholipids will tend See Answer

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