Which of the following statements is TRUE of bacterial plasmids?
A) They are always found in the nucleoid.
B) They can replicate autonomously.
C) They carry genes for essential metabolic functions.
D) They are small circular DNA molecules.
E) They are small circular DNA molecules that can replicate autonomously.
E
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The suffix -phore is derived from a Greek word meaning
(a) branch. (b) moss. (c) liverwort. (d) male.
A hot, dry summer will reduce crop yields in part because
A) carbon dioxide release is reduced by the stomata closing to prevent excessive water loss. B) carbon dioxide uptake is reduced by the stomata closing to prevent excessive water loss. C) oxygen uptake is reduced by the stomata closing to prevent excessive water loss.
DNA polymerases require which of the following elements to replicate DNA?
A. A ribosome, a template, an RNA polymerase B. A source of energy, an RNA strand, a ribosome C. A template, a primer, a source of energy D. A source of energy, a template, an RNA polymerase
The term "protist" is used to refer to a eukaryote that is not a plant, animal, or fungus.
Answer the following statement true (T) or false (F)