1.
Which of the following would differ if you compared the same reaction taking place with and without an enzyme? (1 point)

the chemical energy of the reactants
the chemical energy of the products
the energy required to start the reaction
the overall energy of the reaction

2.
Which of the following would occur if cells did not have enzymes? (1 point)

Cells would not have any chemical reactions taking place.
Cells would have some chemical reactions, but not enough to support life processes.
Reactions in cells would be too slow to sustain life.

Question

04-08-2016
Biology

contestada

1.
Which of the following would differ if you compared the same reaction taking place with and without an enzyme? (1 point)

the chemical energy of the reactants
the chemical energy of the products
the energy required to start the reaction
the overall energy of the reaction

2.
Which of the following would occur if cells did not have enzymes? (1 point)

Cells would not have any chemical reactions taking place.
Cells would have some chemical reactions, but not enough to support life processes.
Reactions in cells would be too slow to sustain life.

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Ishankahps Ishankahps · Answer 1 · 2018-06-11T13:04:54+02:00

1. The answer is "the energy required to start the reaction".

This energy is called as activation energy of the reaction. If the activation energy is high, reaction is slow. Enzymes help to carry out the reaction by a new path by reducing the activation energy. But the energy of reactants and the products remain as same as without enzyme.

2. The answer is "reaction in cells would be too slow to sustain life".

If the activation energy is very high for the reaction, then that reaction will be very slow and will require more time to complete the reaction. Then survival is very low. Hence, the roll of enzymes is very important to sustain life.