Which of the following is a product of alcoholic fermentation?
a. carbon dioxide
b. water
c. lactate
d. oxygen
a. carbon dioxide
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A population of lizards lives in a rocky area next to a desert. Some lizards are light colored and blend into the sand. Others are dark and blend into the rocks. What may happen to this population of lizards over time?
A. They may evolve into two separate species as a result of directional selection. B. They may remain one species as a result of stabilizing selection. C. They may remain one species as a result of disruptive selection. D. They may evolve into two separate species as a result of disruptive selection. E. They may remain one species as a result of directional selection.
The dH2O-only treatment in the Fast Plant™ bioassay provides
(a) a control. (b) moisture for seed germination. (c) dilution of potential cytotoxins. (d) none of the above.
Oomycetes are characterized by all of the following except they
A. produce zoospores asexually. B. are able to reproduce sexually. C. contain motile spores. D. contain two unequal flagella. E. are considered fungi.
Which of the following acts to remove overtwisting and strain ahead of the replication fork during
DNA replication?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase