Enzymes are important catalysts that speed up the rate to chemical reactions in cells. How do they accomplish this? O A. by lowering the required activation energy for the metabolic reaction
O B. by preventing molecules from colliding
O C. by providing all the proteins required for a metabolic reaction
OD. by raising the required activation energy for the metabolic reaction

"a scientist studying a whale and its surroundings would need to understand the structure of atoms in case something was negatively affecting the whale or its surroundings."

explanation:

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primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

b exhibiting favoritism toward the kikuyu people.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.