In which of the following regions in the host bacterium are you most likely to find Bdellovibrio?

A. The cytoplasm
B. The nucleoid
C. The cell nucleus
D. The space between the cell wall and plasma membrane


Answer: D

Biology & Microbiology

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Genes with similar sequences in two different species, such as humans and mice  

A.  produce essentially identical products that have essentially identical functions. B.  may produce products that have slightly to dramatically different functions. C.  almost always have completely different functions in the two species. D.  there is no way of predicting whether the gene will function the same way or differently. E.  are nearly always nonfunctional or "nonsense" DNA in one of the species, present only as a transposon.

Biology & Microbiology

Individuals in the population grouped according to levels of maturity define the population's ____

a. carrying capacity b. age structure c. density d. size e. birth rate

Biology & Microbiology

Motor neurons 

A. send messages to the brain. B. are part of the sensory nervous system. C. normally receive messages from sense organs. D. are normally considered part of the peripheral nervous system.

Biology & Microbiology

Mature red blood cells

a. can live for about a year b. are the largest cells in the blood c. promote clotting d. carbonic acid

Biology & Microbiology