Parasites are generally smaller than their host
Indicate whether the statement is true or false
TRUE
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In the process of quorum sensing, bacteria release signaling molecules in ____ concentrations as cell density ____
a. increasing; decreases b. increasing; increases c. decreasing; increases d. decreasing; decreases e. constant; increases
You are studying a virus that spends long periods of time latent within a host’s cells but causes massive tissue damage during its active periods. You have found that the surface molecules of this virus mutate quite frequently, but the proteins it requires to reproduce are both unique to this virus and stable across infections. What type of treatment would you recommend for this virus?
a. live viral vaccine b. killed viral vaccine c. antiviral drugs d. chelation therapy
A mutation that changes a normal codon to a stop codon is called a ________ mutation.
A. missense B. silent C. point D. nonsense E. back
Assuming independent assortment, what proportion of the offspring of the cross AaBbCcDd × AabbCCdd will have the aabbccdd genotype?
A) 1/64 B) 0% C) 1/256 D) 1/1024 E) 1/512