Answer:
a. The initial concentration of the substrate
Explanation:
If the researcher keeps the initial concentration of the substrate constant, it will give room to compare the reaction rates under different environmental conditions. The reaction rates will assist the researcher by providing the researcher with the necessary and important information about the enzyme's function in different environments.
#5. the mitochondria
#8. photosynthesis removes co2 from the air and celluar resperiation puts it back
#9. they are similar because they both begin with glycolysis which breaks down the glucose molecules and they both produce atp. They are different because water molecules are not produced during fermentation and all of fermentations cycles are in the cytoplasm while only the first cycle in celluar resperiation occurs in cytoplasm
Answer:
c The gene is silenced on the Y chromosome.
