The most basic units of heredity that regulate development and physiological processes are called
A) proteins.
B) genes.
C) phenotypes.
D) amino acids.
Answer: B
Rationale: Genes are the basic units of heredity; they are responsible for guiding the process of creating the proteins that make up our physical structures and regulate development and physiological processes throughout the lifespan.
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In the t test for repeated measures the symbol stands for the
a. standard error of the mean. b. standard error of differences between means. c. standard deviation of differences scores. d. There is no way to know.
According to the health-belief model, a person would be more likely to engage in safe sex if that person believed that
A. he or she had less of a chance of contracting HIV than the general population. B. the severity of HIV is overestimated. C. the benefits of using a condom outweigh the costs. D. there was little chance to avoid HIV, if he or she was sexually active.
Middle adolescence approximately covers the age range of
A) 18 to 22 years. B) 10 to 13 years. C) 8 to 12 years. D) 14 to 17 years.
What term does Antonucci use to describe the set of relationships with family and friends that surrounds each of us throughout our adult lives?
a. cohort b. lineage c. convoy d. social support network