Energy & Enzymes

The following reaction
A --> B + C + heat
is a(n) _____ reaction.

Exergonic because energy is being released

A(n) _____ reaction occurs spontaneously.

Exergonic

Which of these reactions requires a net input of energy from its surroundings?
Which of these reactions requires a net input of energy from its surroundings?
endergonic
exergonic
hydrolysis
ATP --> ADP + P
catabolic

Endergonic: The products of endergonic reactions have more potential energy than the reactants.

In cells, what is usually the immediate source of energy for an endergonic reaction?

ATP:The hydrolysis of ATP provides the energy needed for an endergonic reaction.

The reaction ADP + P --> ATP is a(n) _____ reaction.

Endergonic: Energy has been acquired from the surroundings.

The energy for an endergonic reaction comes from a(n) _____ reaction.

Exergonic: The energy released by an exergonic reaction can be used to drive an endergonic reaction.

What is the fate of the phosphate group that is removed when ATP is converted to ADP?

It is acquired by a reactant in an endergonic reaction.

What is energy coupling?

the use of energy released from an exergonic reaction to drive an endergonic reaction

In general, enzymes are what kinds of molecules?

Proteins

Enzymes work by _____.

reducing Ea

An enzyme _____.

Is an organic catalyst

What name is given to the reactants in an enzymatically catalyzed reaction?

Substrate

As a result of its involvement in a reaction, an enzyme _____.

is unchanged

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy?
the energy associated with a gradient of ions across a membrane: kinetic energy
the motion of individual molecules: potential energy
the heat released from a living organism: potential energy
the covalent bonds of a sugar molecule: potential energy
the energy related to the height of a bird above the ground: kinetic energy

Bonds are a form of potential energy because the energy arises from the relative positions of the atoms that form the bond.

Enzymes are described as catalysts, which means that they _____.

increase the rate of a reaction without being consumed by the reaction

Energy & Enzymes - Subjecto.com

Energy & Enzymes

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The following reaction
A –> B + C + heat
is a(n) _____ reaction.

Exergonic because energy is being released

A(n) _____ reaction occurs spontaneously.

Exergonic

Which of these reactions requires a net input of energy from its surroundings?
Which of these reactions requires a net input of energy from its surroundings?
endergonic
exergonic
hydrolysis
ATP –> ADP + P
catabolic

Endergonic: The products of endergonic reactions have more potential energy than the reactants.

In cells, what is usually the immediate source of energy for an endergonic reaction?

ATP:The hydrolysis of ATP provides the energy needed for an endergonic reaction.

The reaction ADP + P –> ATP is a(n) _____ reaction.

Endergonic: Energy has been acquired from the surroundings.

The energy for an endergonic reaction comes from a(n) _____ reaction.

Exergonic: The energy released by an exergonic reaction can be used to drive an endergonic reaction.

What is the fate of the phosphate group that is removed when ATP is converted to ADP?

It is acquired by a reactant in an endergonic reaction.

What is energy coupling?

the use of energy released from an exergonic reaction to drive an endergonic reaction

In general, enzymes are what kinds of molecules?

Proteins

Enzymes work by _____.

reducing Ea

An enzyme _____.

Is an organic catalyst

What name is given to the reactants in an enzymatically catalyzed reaction?

Substrate

As a result of its involvement in a reaction, an enzyme _____.

is unchanged

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy?
the energy associated with a gradient of ions across a membrane: kinetic energy
the motion of individual molecules: potential energy
the heat released from a living organism: potential energy
the covalent bonds of a sugar molecule: potential energy
the energy related to the height of a bird above the ground: kinetic energy

Bonds are a form of potential energy because the energy arises from the relative positions of the atoms that form the bond.

Enzymes are described as catalysts, which means that they _____.

increase the rate of a reaction without being consumed by the reaction

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