A transgenic animal is an animal
A) that is the first of its kind to bear a particular allele.
B) in which a genetic defect has been corrected using recombinant DNA therapy.
C) containing a gene from another organism, typically of another species.
D) containing genes from three or more species.
Answer: C
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Which molecules are essential components of tight junctions?
A. cadherins and connexins B. cadherins and integrins C. claudins and integrins D. cadherins and claudins E. connexins and claudins
Match the following items with the correct phrases.
_______1. The most common member or members of the indigenous microflora of the vagina. _______2. The most common member or members of the indigenous microflora of the skin. _______3. The most common member or members of the indigenous microflora of the mouth. a. a-Hemolytic streptococci b. coagulase-negative staphylococci c. Lactobacillus spp. d. Escherichia coli e. Candida albicans
Which animal, A, B, C, D, E, or F, has a nervous system feature referred to as a dorsal nerve cord?
1.A
2.B
3.C
4.D
5.E
6.F
Aflatoxin is a(n) ________ associated with ingestion of contaminated ________
A) mycotoxin; peanuts B) mycotoxin; rye or other cereal grains C) enterotoxin; peanuts D) enterotoxin; rye or other cereal grains E) endotoxin; peanuts