Biology Chapter 6 Review

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1 point

ATP stores energy in

adenine

phosphate bonds

All the above

ribose

1 point

To hydrolyze ATP, _____ must be added.

Inorganic Phosphates

Water

Hydrogen

ADP

1 point

All energy in the earth originates

from animals

from the sun

from glucose

from plants

1 point

Energy is released in

exergonic reactions

all reactions

no reactions

endergonic reactions

1 point

Multienzyme comeplexes

can stop unwanted side reactions

can control reactions as a unit

Both

1 point

Any site on an enzyme that's not the active site is called the

complex site

reactive site

allosteric site

bonding site

1 point

Free energy is

energy that we can't use

spontaneous

slow

energy available to do work in a system

1 point

Reaction rate can be increased by

Increasing energy of

Adding and enzyme

Adding a catalyst

All the above

1 point

All forms of energy can be converted into _____.

Heat

Sugars

Chemical Bonds

ATP

10.

1 point

Endergonic reactions

store energy

release energy

can store and release energy

none of the above

11.

1 point

Entropy states that the _________ in the universe is always increasing.

order

size

disorder

energy

12.

1 point

Enzymes and catalysts both

lower reaction speed

are always organic.

lower activation energy.

decrease yield in a reaction.

13.

1 point

Oxidation and reduction reactions ALWAYS take place together.

True

False

14.

1 point

Oxidation is the gain of electrons, while Reduction is the loss of electrons.

True

False

15.

1 point

Spontaneous reactions are always instantaneous.

True

False

16.

1 point

Noncompetitive and competitive inhibitors

raise reaction rate

bind to allosteric site

bind to active site

lower reaction rate

17.

1 point

Energy is defined as

to produce heat

the ability to do work

Potential

Kenetic

18.

1 point

ATP is

an energy storage

recycled continuously

short term

All the above

19.

1 point

Enzyme activity is affected by

Temperature

pH and temperature

none of the above

20.

1 point

Allosteric _______ raise enzyme activity, while allosteric _______ reduce enzyme activity.

inhibitors, activators

inhibitors inhibitors

activators, inhibitors

activators, activators

21.

1 point

Spontaneous chemical reactions don't require activation energy.

True

False

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