I think it be D.But if that ever happen I'm sure that the scientists will find away to stop it
Secondary structure of protein.
in seconday structure, the polypeptide chain is spirally arranged in linear form.
Teriary structure of protein
In tertiary structure the polypeptide chain is arranged in three dimension.
Quaternary structure of protein
In this structure more than one polypeptide chain are arranged in three dimension forming a globular shape.
Answer:
Muscles can also receive messages from the brain when the body temperature decreases. They respond by shivering. Shivering causes the muscles to contract and relax quickly. This process generates heat.
Answer:
Chloroplasts
Explanation:
Chloroplasts are found in cells of leaves and green parts of the stem. They contain green pigment called chlorophyll which makes photosynthetic cells to appear green. They are sites of photosynthesis. Chlorophyll traps light energy from the sun. The energy is used to drive the manufacture of sugars from carbon dioxide and water, a process called photosynthesis.
