Some children are born with what are classified as congenital defects. Assume that there is a child born without a kidney on one side of the body. It is likely that something went wrong during the ___________________ trimester of pregnancy
A. first
B. second
C. third
D. It isn't possible to know based on the
information given.
A
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The membrane potential is closest to the equilibrium potential for potassium at label _____
A) A B) B C) C D) D E) E
Demographic studies include all of the following except what?
A. age structure B. growth rates C. mortality and survivorship curves D. sex ratio E. measurements of interspecific competition
Plasmids
a. are self-replicating circular molecules of DNA. b. may be transferred between prokaryotic cells of different species. c. may pick up genes from other prokaryotes. d. contains genes separate from the bacterial chromosome. e. fit all of these descriptions.
The FBI currently determines an individual's DNA profile using:a
DNA sequencing. b. mitochondrial DNA variations. c. RFLPs. d. DNA ligation. e. 13 STR markers