Genetic drift is a process that has a greater effect on populations that

a. are large.
b. are small.
c. are not affected by mutation.
d. do not go through bottlenecks.


d

Biology & Microbiology

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Connective tissue includes adipose tissue, tendons, bone, cartilage, and blood. What do all these tissues have in common?  

A.  They all consist of few cells sparsely distributed in large amounts of extracellular material. B.  They all provide structural support to the body. C.  They are all hard tissues. D.  They all physically bind other tissues together.

Biology & Microbiology

The Archaea generally lack which of the following that are normally found in gram-negative bacteria?

A. A complex peptidoglycan network B. Outer membrane C. Lipopolysaccharide D. All of the choices are correct.

Biology & Microbiology

Which base-pairing system is correct?

a. A to G; T to C b. A to T; G to C c. A to C; G to T d. A to T or C; G to C or A e. A to T or G; G to C or A

Biology & Microbiology

All of the following organisms are transmitted via the respiratory route EXCEPT

A) Neisseria meningitidis. B) Haemophilus influenzae. C) Listeria monocytogenes. D) Cryptococcus neoformans. E) None of the answers is correct; all of these organisms are transmitted by the respiratory route.

Biology & Microbiology