Which of the following body sites typically does NOT have normal microbiota?

A) skin
B) kidney
C) vagina
D) nasopharynx


Ans: B) kidney

Biology & Microbiology

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Where do the final steps of fermentation occur?

a. Cell membrane b. Inner mitochondrial membrane c. Cytoplasm d. Matrix e. Grana

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Cladograms are used to

a. classify organisms into taxonomic categories. b. visualize evolutionary trends and patterns. c. understand microevolution. d. determine nucleotide sequences in fossilized organisms. e. do more than one of these

Biology & Microbiology

Under certain conditions, the rate of mutation of a particular gene may be fairly easy to determine. Name three properties of the mutation that would favor the most direct determination of mutation rate

What will be an ideal response?

Biology & Microbiology

In a nerve cell, the function of the dendrites is to:

a. conduct impulses away from the cell body. b. attach the neuron to connective tissue. c. receive impulses and conduct them to the cell body. d. increase the speed at which nerve impulses are carried away from the cell body. e. support and nourish the neuron.

Biology & Microbiology