How do enzymes affect the energy needed for getting a reaction going in the cell?

1 answer:

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<span>Enzymes</span> are proteins that allow certain chemical reactions to take place much quicker than the reactions would occur on their own. Enzymes function as catalysts, which means that they speed up the rate at which metabolic processes and reactions occur in living organisms. Usually, the processes or reactions are part of a cycle or pathway, with separate reactions at each step. Each step of a pathway or cycle usually requires a specific enzyme. Without the specific enzyme to catalyze a reaction, the cycle or pathway cannot be completed.

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What is skin cancer and how does it occur?

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Answer:

Skin cancer refers to the abnormal activity of skin cells associated with carcinogenesis

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Which two phenomena are evidence that gravitational forces are attractive? Select two statements.

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Answer:

A. the rise and fall of the tides.

C. a dropped object always falls toward Earth.

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Gravity is considered to be a universal force of attraction which acts between all objects that has both mass, energy and occupy space. Therefore, it acts in such a way as to bring objects together.

Additionally, the gravity of earth makes it possible for all physical objects to possess weight.

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II. A dropped object always falls toward Earth: this acceleration is due to the gravitational force of attraction between the Earth and the object.

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Do most organisms contain the same condons true or false ?

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A. Mostly unstaurated fatty acids

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