Most genes come in alternative forms called
a) dominants
b) recessives
c) alleles
d) chromosomes
e) gametes
Answer: c) alleles
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If two species of lizards do not mate because their mating rituals differ greatly, this is known as
a. behavioral isolation. b. ecological isolation. c. gametic isolation. d. mechanical isolation. e. temporal isolation.
What feature is common to all the alveolates?
a. autotrophy b. lung-like sacs used for respiration c. bioluminescence d. complex life cycle with two hosts e. membrane-bound sacs beneath the plasma membrane
An enzyme binds its substrate at the active site
__________________ Indicate whether the statement is true or false.
In humans, an excessive accumulation of uric acid in the joints produces a condition known as
A. gastroesophageal reflux disease (GERD). B. ulcers. C. gout. D. high blood pressure. E. rickets.