Refer to Figure 26-3. The process occurring at point 1 in the life cycle is:
a. fertilization.
b. sexual reproduction.
c. meiosis.
d. asexual reproduction.
e. syngamy.
D
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Which branch of this phylogenetic tree identifies Eukarya?
a. A b. B c. C d. D e. E
Which of the following transposable elements are found in eukaryotes but not in prokaryotes?
A) IS elements B) Families of autonomous and nonautonomous elements C) Retrotransposons D) Ty elements E) B, C, and D only
Which of the following statements is FALSE?
A) DNA polymerase joins nucleotides in one direction only. B) The leading strand of DNA is made continuously. C) The lagging strand of DNA is started by an RNA primer. D) DNA replication proceeds in one direction around the bacterial chromosome. E) Multiple replication forks are possible on a bacterial chromosome.
Characteristics of genetically engineered plants and plant products include
(a) better nutrition. (b) longer storage lives. (c) resistance to disease and insects. (d) all of the above.