Which of the following is correct about the genetic code?
A. Archaea and bacteria use one code and eukarya use another.
B. Fungi and animals use the same code, but plants use another.
C. All prokaryotes use one code and all eukaryotes use another.
D. All living organisms use the same genetic code.
E. Protists use a different code than other kingdoms.
Answer: D
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The single most important difference between long-day and short-day plants would be the accumulation of which of the following?
A. phloem transporting genes B. CONSTANS (CO) proteins C. florigen D. messenger RNA E. flowering time genes (FT)
Four of the five actions listed below are responses to
cold temperatures. Select the exception. a. vasoconstriction of peripheral blood vessels b. uncontrolled muscular contraction c. thermoreceptors send messages to the hypothalamus d. enhanced secretion of sweat glands e. increased metabolic reactions
Which of the following is NOT a desirable characteristic of a model organism used to study development?
A. large oocytes B. short generation time C. large genome D. produces many offspring E. small size
The events of ________ are initiated at sequences called origins.
A. DNA replication B. translation C. splicing D. transcription E. transposition