A restriction in genetic variability caused by a drastic reduction in population size is called a  

A.  Hardy-Weinberg effect.
B.  founder effect.
C.  polymorphic effect.
D.  adaptive effect.
E.  bottleneck effect.


E.  bottleneck effect.

Biology & Microbiology

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The type of transport ATPase that are reversibly phosphorylated as part of the transport mechanism are the ________ ATPases.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The donor cell makes ___________ whose function is to bring F- cells close enough to transfer a ___________ to the recipient.

A. a sex pilus, single strand of DNA B. a sex pilus, double strand of DNA C. an F factor, fertility plasmid D. an F factor, replicated F factor E. a sex pilus, bacterial chromosome

Biology & Microbiology

The organelle that is the equivalent of a cellular garbage disposal system is the

A) nucleus. B) lysosome. C) mitochondrion. D) glucosome.

Biology & Microbiology

A(n) ________ is a category of the classification system of organisms that can include multiple kingdoms

Fill in the blank(s) with correct word

Biology & Microbiology