A typical cell cycle consists of
a. mitosis and meiosis.
b. G1, the S phase, and G2.
c. prophase, metaphase, anaphase, and telophase.
d. interphase, mitosis, and cytokinesis.
e. meiosis and fertilization.
Ans: d. interphase, mitosis, and cytokinesis.
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Which of the following is the monomer used to build glycogen and starch?
a. galactose. b. glucose. c. furanose. d. fructose. e. sucrose.
Recent studies on plants with mutations in certain cytokinin receptors show that these plants have strongly enhanced root systems. These data suggest that while cytokinins have a positive role in shoot growth, they may actually work to inhibit root growth. Do you think these mutant plants could still be used in plant tissue culture?
A. Yes, but they may develop bigger roots. B. No, because they can't form a callus. C. Yes, but they may have smaller roots. D. No, because they won't be able to respond to auxin.
Which of the following would NOT be the
cause of mutations in DNA sequences?
a. RNA polymerase b. DNA polymerase c. transposable elements d. UV light e. more than one of these
Hamilton explained the origin of altruism in selected insect societies with his kin selection model of sex determination. Since males are haploid and females are diploid, the workers share a very high proportion of alleles, theoretically as high as 75%. What is this called?
A. diploidy B. haploidy C. haplodiploidy D. parthenogenesis E. altruism