The substrate and the active site both need to fit together perfectly in order for the enzyme to work properly. If their shape is changed, typically through heat or a change in pH, the enzyme will not work.
Answer:
A. Compounds contain fixed ratios of different elements.
Explanation:
Water always has this 2:1 ratio of hydrogen to oxygen. Like water, all compounds consist of a fixed ratio of elements. It doesn't matter how much or how little of a compound there is. It always has the same composition.
During the process of ossification, an existing tissue is replaced by bone.
Answer:
it is c: Taking observations at precise intervals
Explanation: I just took the test.
Answer: Heat or thermal energy coming from the sun provides energy for living organisms through heat transfer. For plants light energy is absorbed by the leaves and enters the stomata which activates the thylakoids and releases amount of electrons for chemical reactions. Through light energy plants produces glucose and releases oxygen gas as a by-product of the reaction. For this process energy is formed (ATP)
Explanation:
