When two alleles of the same gene are different, the individual carrying those alleles is said to be ____
a. recessive
b. heterozygous
c. phenotypic
d. somatic
e. homozygous
ANSWER: b
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Immature sperm pass through the ____, a coiled duct on top of the testes, where they mature
a. epididymis b. seminal vesicle c. prostate d. vas deferens e. prostate
Which of the following terms is not applied to innate behavior?
a. inborn b. learned c. genetically programmed d. instinctive e. inherited
Red algae ____
a. are primarily marine organisms b. are thought to have developed from green algae c. contain xanthophylls as their main accessory pigments d. are mostly unicellular e. survive only in shallow water
Which of the following explains why a saturated fat and an unsaturated fat are different?
a. A saturated fat contains double bonds, while an unsaturated fat does not. b. An unsaturated fat contains double bonds, while a saturated fat does not. c. A saturated fat is liquid at room temperature, while an unsaturated fat is not. d. A saturated fat can be called an oil, while an unsaturated fat cannot.