Biology, 17.09.2019 08:30 tylijahking
How do animals obtain the nitrogen they use to make proteins and nucleic acids?
a. by consuming plants or other animals
b. by absorbing ammonia from bacteria growing in the roots of plants
c. by breathing the nitrogen present in the atmosphere
d. by absorbing nitrogen found in the soil
Answers: 1
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What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has
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Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods
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How do animals obtain the nitrogen they use to make proteins and nucleic acids?
a. by consum...
a. by consum...
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