Protein-coding genes directly affect our body's characteristics by ________.
A. determining which alleles will be dominant and recessive
B. specifying which bases in DNA can pair with which other bases
C. sending instructions for making proteins to the cytoplasm
D. dividing pairs of proteins during the process of meiosis
Answer: C
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One factor causing Alzheimer's disease results from:
A. normal aging B. previously damaged neurons C. drug abuse D. the multiplication of naturally occurring proteins and peptides
Bart notices that his father, Homer, is usually in an agreeable mood after his mother, Marge, fixes him pork chops. However, Homer is quite grumpy after a meal of three-eyed fish. Bart has learned that it is much in his favor to ask Homer permission to do fun things on pork chop night and to avoid asking such questions when three-eyed fish is served. Bart is using the type of meal served as
A. a discriminative conditioned stimulus. B. a secondary reinforcer. C. vicarious experience. D. negative reinforcement.
The process by which rods and cones become less sensitive to light is called ________
a. light adaptation b. squinting c. optic adaptation d. dark adaptation
Sudie is calm, even-tempered, self-content, comfortable, unemotional, and hardy. She is low in which “big five” personality trait?
A) neuroticism B) extroversion C) openness to experience D) agreeableness