What is the initial symptom of an HIV infection?
a. flu-like symptoms
b. severe rash
c. muscle pains
d. fever over 40o C
e. severe allergic response
ANSWER: a
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Most bacteria are inhibited by a pH of
A. 7.2. B. 7.0. C. 6.0. D. 4.5
Vasectomy causes sterility because ____
a. sperm is no longer produced b. sperm is unable to leave the testis c. sperm is unable to reach the vas deferens d. sperm is unable to reach the urethra e. semen is no longer produced
What advantage do cDNA libraries have over genomic libraries?
What will be an ideal response?
Ananda Chakrabarty received the first U.S. patent for a GM organism. This organism was ________
A) a transgenic mouse expressing the growth hormone gene B) the GloFish C) Dolly the cloned sheep D) cloned E. coli E) Pseudomonas engineered to degrade petroleum