The initial carrying capacity of an environment

is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.


C

Biology & Microbiology

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Which of the following is not a phase of the Calvin-Benson Cycle?

A. Carboxylation phase B. Oxidation phase C. Regeneration phase D. Reduction phase

Biology & Microbiology

Clonal selection is the idea that:

A. sequence information from the antigen is copied into the DNA of a B cell. B. genomic rearrangement responds to the presence of antigen to produce the correct antibody. C. the ability of an antibody to bind antigen results in mitotic cell division. D. Two answer options are correct: genomic rearrangement responds to the presence of antigen to produce the correct antibody AND the ability of an antibody to bind antigen results in mitotic cell division.

Biology & Microbiology

Mosses have ____

a. xylem b. lignin c. true stems d. rhizoids e. independent sporophytes

Biology & Microbiology

All of the following are components of Darwin's principle of natural selection EXCEPT that

a. new alleles are constantly produced through mutation. b. populations exhibit great variation. c. organisms produce more offspring than can be sustained by the environment. d. over time, adaptive phenotypes increase in frequency within a population. e. variation can be inherited.

Biology & Microbiology