Which pattern of diploid and haploid phases reflect the life cycle in plants?
a. alternation between haploid and diploid generations
b. two haploid generations followed by a diploid generation
c. one haploid generation followed by two diploid generations
d. a single generation that limits the haploid state to gametes while the rest of the organism is
diploid
e. a single generation that limits the diploid state to gametes while the rest of the organism is
haploid
A
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One way to study the human genome is to
A) determine the twisting patterns of the two sides of the double helix. B) determine the sequence of sugars and phosphates. C) determine the DNA sequence. D) conduct a phenotype-wide association study.
Transgenic organisms are ________.
A. created in nature B. copyrighted C. only microorganisms D. patented
Which of the following plant hormones prevents plant tissues from senescing, or aging?
A. ethylene B. cytokinin C. gibberellin D. abscisic acid E. auxin
The p21 and p15 proteins are examples of
a. Cdk inhibitors. b. cyclins. c. oncogenes. d. growth factors.