Answer:
keratin.
Explanation:
<em>keratin is a fibrous protein that has protective and structural functions in the body. </em>
<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.</em>
<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.in the human body, keratin can be present in - hair and finger nails. </em>
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Answer:
stratovolcanoes are one that frequently erupt
Answer:
a. Fiber
Explanation:
The major nutrients required by humans in food are carbohydrates, proteins, fats, vitamins, and minerals. Our food also has dietary fibers and water. Dietary fibers or fibers are also known as roughage. Fibers are present mainly in plant products such as whole grains, pulses, fruits and vegetables. Fibers only add bulk and do not provide any nutrients to us. However, dietary fibers help the body get rid of undigested food.
Answer:
Populations have variation in traits due to random mutation, crossing over and environmental conditions.
Answer:
Ribosome
Explanation:
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