What is the maximum size of the E. coli chromosome capable of being carried by a P1 phage?
A. 10%–20%
B. 30%
C. 0.5%–1%
D. 1%–2.5%
D
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Progeria is a genetic condition that causes
a. pattern baldness as early as age twenty. b. socially inappropriate vocal outbursts and muscular twitches. c. a high incidence of cancer with any exposure to sunlight. d. muscular and mental deterioration shortly after puberty. e. premature aging which typically leads to death in the early teens.
Due to the lack of moderate stress on the skeleton, a bedridden person is at risk of
A. rheumatoid arthritis and muscular degeneration. B. osteoarthritis and tendon damage. C. osteoporosis and muscle degeneration. D. cartilage growth and a sprain. E. anemia and cartilage degradation.
A disease cause by a virus is _______.
A. flu B. botulism C. tuberculosis D. two of the above
Which gas is considered a greenhouse gas?
A) water vapor B) carbon monoxide C) gaseous nitrogen D) nitrous oxide