What gland, located in the brain, produces melatonin?
A. pineal gland
B. pituitary
C. thyroid gland
D. adrenal gland
E. pancreas
Answer: A
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The basis for blood typing is referred to as
A) neutralization. B) hemagglutination. C) immunodiffusion. D) precipitation.
What methods do grasses employ to deter herbivores and survive heavy grazing? Select all correct choices
A. Grass shoot apical meristems are located at the tips of leaves. B. Grass shoot apical meristems are located near the base of the plant. C. Grasses contain silica plates. D. Grasses contain chitin plates.
Who developed the science of taxonomy?
a. Charles Darwin b. Aristotle c. Alfred Russel Wallace d. Sir Isaac Newton e. Carolus Linnaeus
Which of the following DNA regions is recognized by RNA polymerase during transcription?
A) promoter B) operator C) attenuator D) leader E) structural gene