During transcription of a given protein-coding gene, both strands are used as template
A. true
B. false
Answer B
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What is the probability of rolling a die twice and getting a 2 and a 6 in no particular order?
a. 1/3 b. 1/4 c. 1/8 d. 1/18 e. 1/36
Phytochromes are pigment proteins that allow plants to detect light
a. True b. False
The absence of sweat glands in cetaceans aids in
a. maintaining body heat. b. conserving water. c. increasing internal salinity. d. reducing drag. e. swimming efficiency.
In the section "Investigating Life: Birds Do, Bees Do It", bumblebees pollinated M. lewisii, whereas hummingbirds preferred the red-flowered M. cardinalis. If a hummingbird carries M. cardinalis pollen to M. lewisii, the resulting hybrid offspring are viable. M. lewisii and M. cardinalis are different species because of
A. post-zygotic barriers to reproduction. B. pre-zygotic barriers to reproduction. C. punctuated equilibrium. D. gradualism. E. asexual reproduction.