Each nucleotide in a strand of DNA is composed of a(n) ____________________, a(n) ____________________, and a(n) ____________________
Fill in the blank(s) with correct word
sugar, base, phosphate group
base, sugar, phosphate group
sugar, phosphate group, base
phosphate group, sugar, base
base, phosphate group, sugar
phosphate group, base, sugar
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What benefit do root hairs provide to the plant? a. All of these choices
b. Increased nutrient absorbing ability c. Increase in surface area of the root system d. Increased water absorbing ability e. None of these choices.
The pulmonary capillaries
a. are closely associated with alveoli but do not fuse. b. fuse with the alveoli to facilitate gas exchange. c. bring oxygenated blood back to the heart. d. bring deoxygenated blood back to the heart. e. fuse with the alveoli to facilitate gas exchange, and bring oxygenated blood back to the heart.
An Olympic marathon runner probably has more ____ than does an Olympic weight lifter
a. white muscle fibers b. red muscle fibers c. creatine phosphate d. stored ATP e. Stored oxygen
Features that contributed to success on land include a __________ and __________ that minimize
water loss. Fill in the blank(s) with the appropriate word(s).