A DNA nucleotide is made up of
A) phosphate-deoxyribose-base.
B) base-phosphate-glucose.
C) phosphate-deoxyribose-phosphate-deoxyribose.
D) phospholipid-deoxyribose-base.
E) adenine-thymine-guanine-cytosine.
A
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Which of these events happens first in nearly all seed germination?
A) The cotyledons appear above ground, turn green, and photosynthesize. B) The radicle emerges from the seed, which permits the uptake of water and nutrients from the soil. C) The hypocotyl elongates to lift cotyledons above ground. D) Lateral roots develop and expand into surrounding soil.
Which event in inflammation aids in white blood cells migrating from the blood vessel to the site?
a. Arterioles widen. b. Blood flow produces heat in the area. c. Capillary permeability is increased. d. Complement is activated. e. Phagocytes engulf complement coated bacteria.
The DIRECT yield of ATP from the Krebs cycle is
a. 2. b. 8. c. 32. d. 36. e. 48.
Genomic technology allows researchers to use ____ to survey the genome to detect associations between common
variations and a specific phenotype. a. pedigrees b. continuous traits c. chromosome number d. nucleotide variations e. RNA