Define these words: Activation energy

Catalyst

Enzymes

Substrate

Conservation of mass

Conservation of energy

Activation Energy: the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction

Catalyst: A substance that increases the rate of a chemical reaction

Enzymes: a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.

Substrate:

the surface or material on or from which an organism lives, grows, or obtains its nourishment.

Conservation of mass: a principle stating that mass cannot be created or destroyed.

Conservation of energy:

a principle stating that energy cannot be created or destroyed, but can be altered from one form to another.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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