Which of the following help neutralize free radicals that form in the body?
A) Amino acids
B) Antioxidants
C) Lipids
D) Minerals
E) Monosaccharides
B
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Where do global air circulation patterns begin?
a. At 60o N b. At 30o S c. At the equator d. At 30o N e. At the poles
A population that is growing exponentially in the absence of limiting factors can be illustrated by which shaped curve?
a. S-shaped b. J-shaped c. O-shaped d. bimodal e. skewed
What defines radial symmetry?
A) Any plane of symmetry passing through the center of the organism splits it into equal halves. B) Only five planes of symmetry passing through the center of the organism splits it into equal halves. C) Only one plane of symmetry splits the organism into equal halves. D) No planes of symmetry exist; the organism cannot be split into equal halves.
Most photosynthesis in typical C3 angiosperms takes place in the
a. palisade mesophyll b. spongy mesophyll c. epidermis d. pericycle e. vascular bundles