BIO 116 Exam 1 questions with correct
answers
All viruses have: genetic material, capsomeres, an envelope, ribosomes - Ans:-genetic material &
capsomeres
basal taxon - Ans:-first to diverge from common ancestor
identify the statement which CORRECTLY describes all clades.
a. include an ancestr...
Why are most viruses host specific? a. Viruses infect the first cell that they encounter.
b. Weaker host cells are more susceptible to a virus.
c. Viruses only recognize specific receptor proteins.
d. The initial choice is random, but once a cell is chosen it becomes the preferred host. - Ans:✔✔-c.
viruses only recognize specific receptor proteins
Correctly sequence the lytic cycle.
I. Destruction of host cell plasma membrane
II. Interaction between proteins on capsid and receptors on host cell plasma membrane
III. Viral DNA enters cell
IV. Synthesis of capsomeres
V. Self-assembly - Ans:✔✔-II -> III -> IV -> V -> I
Identify which of the following are components of prokaryotic cells.
a. Mitochondria
b. Cellulose cell wall
c. Nucleus
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