A nucleotide consists of a
A) five-carbon sugar and phosphate group.
B) five-carbon sugar and a nitrogenous base.
C) phosphate group and a nitrogenous base.
D) five-carbon sugar, a nitrogenous base, and a phosphate group.
E) five-carbon sugar and an amino acid.
D
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What studies have suggested that the ANS can also be subject to voluntary controls?
What will be an ideal response?
There are three types of unencapsulated tactile receptors. Select the exception.
A. Tactile discs B. Free nerve endings C. Root hair plexuses D. Sebaceous filaments
Which of the following is not a connective tissue?
A. Areolar tissue B. Cartilage C. Blood D. Osseous tissue E. Skeletal muscle
Which of the following factors would decrease the GFR?
a. a fall in plasma protein concentration. b. an obstruction such as a kidney stone in the tubular system, which increases Bowman's capsule hydrostatic pressure. c. vasodilation of the afferent arterioles. d. two of these answers. e. all of these answers.