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Chapter 3: Problem 4
Humans have ________ pairs of chromosomes. a. 15 b. 23 c. 46 d. 78
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An action potential involves Na+ moving ________ the cell and K+ moving ________ the cell. a. inside; outside b. outside; inside c. inside; inside d. outside; outside
A(n) ________ is a sudden, permanent change in a sequence of DNA. a. allele b. chromosome c. epigenetic d. mutation
________ refers to a person’s genetic makeup,while ________ refers to a person’s physical characteristics. a. Phenotype; genotype b. Genotype; phenotype c. DNA; gene d. Gene; DNA
You share half of your genetic makeup with each of your parents, but you are no doubt very different from both of them. Spend a few minutes jotting down the similarities and differences between you and your parents. How do you think your unique environment and experiences have contributed to some of the differences you see?
A(n) ________ facilitates or mimics the activity of a given neurotransmitter system. a. axon b. SSRI c. agonist d. antagonist
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