Which substance acts as a buffer in natural water?
A. A pH indicator
B. Distilled water
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Answers: 3
Biology, 21.06.2019 18:10
Why do mutations in genes affect traits? o a. genes determine what type of mutagens an organism has. o b. genes produce proteins that cause traits. o c. genes affect how many chromosomes an organism has o d. genes code for carbohydrates that influence traits.
Answers: 1
Biology, 21.06.2019 20:00
The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.
Answers: 1
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