A substrate is a reactant that is catalyzed by an enzyme.
Answer:
The answer would be D. Tropical Rain forests comprise only 6% of all land on Earth yet are home to nearly 50% of all the species on Earth.
cAMP in the cytoplasm
Many cAMP can be generated as a second messenger to amplify the signal in response to hormone binding.
Answer:
D.
holds the bones of the skeleton together
Explanation:
