The outermost whorl of a flower is called the
A. carpel.
B. sepals.
C. petals.
D. stamens.
Answer: B
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Nitric oxide works by
a. inhibiting reuptake. b. enzyme degradation of neurotransmitter. c. stimulating reuptake. d. dilating blood vessels. e. inhibiting release of other neurotransmitters.
What is the primary purpose of RNA in Eukaryotes?
A. To assist in replication of DNA by unzipping DNA strands. B. To transfer genetic information from DNA to ribosomes for translation. C. To store, replicate and pass genes down across generations. D. To construct nuclear envelope during mitosis.
Which of the following characteristics is present in all chordates?
A. gills B. notochord C. vertebrae D. All of the above are correct.
Which of the following has the LEAST effect on blood pressure in a young adult?
a. Temperature of the room b. Position of the body c. Level of conditioning d. Supplemental vitamins