What factor of the plasma membrane provides fluidity?
a. The arrangements of carbohydrates
b. The movements of the phospholipids
c. The arrangement of proteins
d. The interaction of glycolipids with water
e. The enzymatic activity of membrane proteins
ANSWER: b
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The process of a vesicle fusing with the plasma membrane and depositing its contents into the extracellular space is most specifically referred to as:
A. active transport. B. endocytosis. C. budding. D. exocytosis. E. bridging.
A group of vertebrates that do not have bone are the
A. ray-finned fishes. B. sharks. C. amphibians. D. reptiles.
The lumen of a transverse tubule is occupied by
A. extracellular fluid. B. cytoplasm. C. actin. D. myosin. E. sarcomeres.
Khorana used synthetic mRNAs to determine genetic code possibilities. To do so, he translated synthetic mRNA in vitro in the presence of individual 14C-labeled amino acids. What polypeptide did he identify using the repeating dinucleotide poly-UG?
What will be an ideal response?