A purine or pyrimidine that is attached to a sugar, either ribose or deoxyribose, is called a ________.
A. nucleic acid
B. nucleotide
C. nucleoside
D. nitrogenous base
Answer: C
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Invertebrates
(a) do not have a vertebral column. (b) have a vertebral column. (c) are all members of the phylum Chordata. (d) do not include animals that are members of the phylum Chordata.
If the root cap of a root is damaged, the quiescent center is likely damaged, as well
a. True b. False
Menstrual flow results in the discharge of
a. the follicle. b. the corpus luteum. c. the lining of the endometrium. d. surface cells from the vagina. e. blood from vessels on the outer side of the uterus.
If a gardener cuts the apical meristem of a plant, lateral buds begin to grow, which causes a bushier shape to develop. This is because the apical meristem normally secretes auxins that
A. suppresses the growth of lateral buds. B. suppresses the growth of the apical meristem. C. stimulates the growth of the apical meristem. D. stimulates the growth of lateral buds. E. stimulates the growth of roots.