TRUE Lysosomes contain enzymes that are so destructive that, if the enzymes were released from these organelles, they would damage or kill the cell that contains them.
a. true
b. false
Answer: a. true
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Which of the following research questions would a population geneticist be likely to ask?
A. How much genetic variability is found in sperm whales? B. How can we explain the amount of genetic diversity in Adelie penguins? C. Why do some species have more genetic diversity than others? D. All of the above are questions a population geneticist may ask.
The first transgenic animals were created in
a. 1952. b. 1962. c. 1972. d. 1982. e. 1992.
Which of the following statements is false?
a. Endotherms have a higher metabolic rate than ectotherms. b. Endotherms can regulate their temperature through behavior. c. Ectotherms regulate their temperatures through behavior. d. Heterotherms may function as either an ectotherm or an endotherm. e. Ectotherms do better in cold climates.
Organisms such as lizards that need to maintain body temperature through external means do so by
A. running frequently to warm up. B. sunbathing. C. swimming in geothermal pools. D. eating large meals to provide calories for heat production. E. shivering to produce heat.