The real power of DNA fingerprinting comes from simultaneously determining the alleles an individual carries at how many STR locations?
a) 3
b) 2
c) 23
d) 20
e) 13
Ans: e) 13
Biology & Microbiology
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Which cells produce antibodies?
a. helper T cells b. dendritic cells c. cytotoxic T cells d. NK cells e. B cells
Biology & Microbiology
Which immunoglobulin is the most common in gland secretions?
a. IgG b. IgA c. IgD d. IgM e. IgE
Biology & Microbiology
Two major types of protein secondary structures are referred to as:
a. amino and carboxyl. b. ? helix and ? sheet. c. elementary and primary. d. residual and permanent. e. ionic and covalent.
Biology & Microbiology
What proportion of the population is probably heterozygous (Aa) for this trait?
A) 0.05 B) 0.25 C) 0.50 D) 0.75
Biology & Microbiology