Answer:
the enzyme and substrate fit together like a lock and key.
Answer:
The small intestine is about 20 feet (6 meters) long and folds many times to fit in the abdomen. Although it is longer than the large intestine, it is called the small intestine because it is smaller in width.
I hope this will help you
Answer:
I looked it up and the answer is fluid mosaic.
The answer is B. Speed up chemical reactions. Hope this helps.
Answer:
the third one
Explanation:
physical change is only on looks