Metagenomics offers a DNA-based method to understand

A. the history of species diversity.
B. microbial stability
C. microbial diversity.
D. the organismic model of communities.
E. the Shannon Diversity Index.


C. microbial diversity.

Biology & Microbiology

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A mutation that leads to the buildup of homogentisic acid causes ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

I've cloned a genomic library and know that my bacteria have foreign DNA fragments inserted into the

cloning vector. I now need to identify the specific bacteria that have the gene coding for protein X. How can I locate these bacteria?

a. DNA hybridization of the different colonies b. PCR of the same bacterial mixture that was spread on agarose plates c. restriction endonuclease treatment of DNA from some of the bacterial colonies d. agarose gel electrophoresis of DNA isolated from the bacterial colonies e. transfer the bacterial colonies to filter paper

Biology & Microbiology

Every living organism must have

a. at least one cell. b. a nucleus. c. a cell wall. d. mitochondria. e. oxygen.

Biology & Microbiology

A survivorship curve in which most individuals die late in life is a type ________ curve.

A. IV B. I C. 0I D. III E. II

Biology & Microbiology