Answer:
Option B
Explanation:
Please see the attachment
The first step I believe is B. Enzymes break down the protective layer of the egg cell.
Carbon dioxide moves out of the tissues (cells) into the bloodstream to be exhaled in internal respiration.
Answer:
Elastase.
Explanation:
Collagen, keratin, and elastin are fibrilar proteins.
Elastin is a globular protein, actually an enzyme, that breaks down proteins, such as elastin. It is a protease. In humans, there are eight different genes for the production of elastase. Elastase also has an important immunological role
.
Chrysoberyl is an common mineral.
