What must materials pass through to enter or leave a cell?
a. ribosome
b. nucleus
c. plasma membrane
d. lysosome
Ans: c. plasma membrane
Biology & Microbiology
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How are restriction and DNA ligase enzymes used to insert a foreign gene into a plasmid?
What will be an ideal response?
Biology & Microbiology
Four of the five answers listed below are anthropoids. Select the exception
a. tarsier b. Old World monkey c. human d. ape e. gorilla
Biology & Microbiology
The digestion of fats mostly occurs in the
a. stomach. b. pancreas. c. small intestine. d. lymph vascular system. e. liver.
Biology & Microbiology
When a blood vessel gets damaged, contractions of smooth muscle referred to as ________ help constrict the vessel to reduce blood flow
A) vascular spasms B) hemostasis C) homeostasis D) formed elements E) endocytosis
Biology & Microbiology