OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Proteins are necessary for growth and repair. Where do animals obtain the nitrogen they need for proteins?
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from nitrogen compounds in the soil
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from compounds in the food they eat
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from nitrogen gas in the air they breathe
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from the energy released by cellular respiration
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Explanation:
Detailed explanation-1: -The plant absorbs nitrogen from soil through the roots. Animals get their nitrogen by consuming plants and other animals.
Detailed explanation-2: -Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water.
Detailed explanation-3: -Most animals source their nitrogen requirements from food. Carnivorous animals get their nitrogen from the protein in the meat they consume. In contrast, herbivores get it from plant materials strong in protein or amino acids, such as leguminous plants.
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