Short, circular strands of RNA that can cause plant diseases are called
A) viroids. B) bacteria. C) prions. D) viruses. E) archaea.
A
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Which of the following is the role of calcium-dependent protein kinases?
A. Receptor molecule. B. Affector molecule. C. Messenger molecule. D. Effector molecule. E. All of the choices.
Which process occurs in the cytoplasm of a eukaryotic cell?
a. translation b. DNA replication and transcription c. transcription d. DNA replication e. translation and transcription
Fructose and glucose are
a. able to combine to form sucrose. b. structurally different. c. monosaccharides. d. simple sugars. e. all of these.
How can the preservation of biological diversity be justified?Check all that apply.
A. supernatural responsibility B. economic value C. exploitative value D. ethical grounds E. ecological value