Shaun was in need of a kidney transplant. What is the most important thing that needs to match between him and the kidney donor?

A. PCR
B. TCR
C. MHC
D. EKG
E. HCG


Answer: C

Biology & Microbiology

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Double fertilization is:

A. fertilization of two eggs in the same flower B. fertilization of an egg by two sperm C. fertilization of an egg by one sperm and of the nucleus of an endosperm-forming cell by another sperm D. fertilization of two eggs by the same sperm E. fertilization of an egg and an endosperm-forming cell by the same sperm

Biology & Microbiology

A recently-developed mnemonic for remembering the taxonomic levels from Domain to Species is "Dumb Kids Prefer Candy Over Fancy Green Salad."  The word "candy" here is a reminder of the taxonomic level of ________.

A. chain B. class C. colony D. culture E. category

Biology & Microbiology

In sham-eating experiments, food is chewed and swallowed by the subjects, but rather than passing down the esophagus into their stomachs, it goes directly:

(a) into their bloodstream (b) out of the body through a tube (c) into their intestines (d) into their colons

Biology & Microbiology

Genetic disease caused by a defect in the CFTR gene, which is responsible for the formation of a transmembrane chloride ion transporter; causes the mucus of the body to be viscous.

What will be an ideal response?

Biology & Microbiology