Nicotine and morphine are classified as
a. alkaloids.
b. cyanogens.
c. plant pigments.
d. terpenoids
A
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An important feature of many wounds that may lead to more serious problems is that they are
A. well aerated. B. well fed. C. sterile. D. relatively anaerobic.
Rhizobium
A. fix nitrogen inside nodules on the roots of legumes. B. resemble fungi. C. produce antibiotics. D. produce a gall in plants.
During meiosis II,
a. cytokinesis results in the formation of a total of two cells. b. sister chromatids of each chromosome are separated from each other. c. homologous chromosomes pair up. d. homologous chromosomes separate. e. sister chromatids exchange parts.
Which of the following proteins is observed exclusively in association with prokaryotic DNA replication?
A) DNA polymerase I B) primase C) helicase D) single-strand binding proteins E) telomerase