Herpes and other enveloped viruses enter their host
cells
a. through pores.
b. by dissolving the host plasma membrane.
c. by fusion of the viral membrane with the cell’s
plasma membrane.
d. by activating transport proteins in the host cell’s
plasma membrane.
e. any of these.
Answer: c
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What is the main difference between mismatch repair (MMR) in eukaryotes and prokaryotes?
A. Eukaryotes lack a functional Mut H and Dam methylase. B. Eukaryotes have proteins homologous to MutS and MutH but not MutL. C. Eukaryotes only repair the lagging strand. D. Prokaryotic MMR can repair small loops of unpaired nucleotides, whereas eukaryotes cannot. E. Both use exonucleases to eliminate the mismatched strand but eukaryotes only require 3'-5' exonucleases.
Four of the five answers listed below are layers of the digestive tract. Select the exception
a. peritoneum b. mucosa c. serosa d. submucosa e. muscle layer
Approximately what percentage of the human genome encodes proteins?
a. 1 b. 3 c. 5 d. 15 e. 50
In biparental inheritance, paternal and maternal gametes provide chloroplasts to the zygote.
Answer the following statement true (T) or false (F)