The Working Cell Chapter 5

Front 1

What is the function of cholesterol?

Back 1

Cholesterol helps stabilixe the structure of the plasma membrane.

Front 2

Glycoprotein

Back 2

Is composed of both a carbohydrate and a protein.

Front 3

Diffusion

Back 3

Is the movement of particles down their concentration gradient.

Front 4

Transport protein

Back 4

Allows solute molecules to enter the cell

Front 5

Example of kinetic energy

Back 5

A space station orbiting earth, kinetic energy is energy of motion.

Front 6

Conservation of energy

Back 6

Energy cannot be created or destroyed but can be converted from one form to another.

Front 7

Chemical energy is a form of

Back 7

Potential energy

Front 8

In your body, what process converts the chemical energy found in glucose into the chemical energy found in ATP?

Back 8

Cellular respiration

Front 9

By-products of cellular respiration are

Back 9

Heat and water

Front 10

Endergonic reactions

Back 10

Requires a net input of energy

Front 11

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

Back 11

ATP

Front 12

The reaction ADP+P---> ATP is an

Back 12

Endergonic reaction

Front 13

The energy for an endergonic reaction comes from a

Back 13

Exergonic reaction

Front 14

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

Back 14

It is acquired by a reactant in an endergonic reaction.

Front 15

The products that contain more potential energy than the reactants is called

Back 15

Endergonic reaction

Front 16

Energy Coupling

Back 16

The use of energy released from on exergonic reaction

Front 17

PPP-R-A

Back 17

ATP

Front 18

What type of reaction breaks the bonds that join the phosphate groups in an ATP molecule?

Back 18

Hydrolysis

Front 19

Most enzymes are

Back 19

Proteins

Front 20

Enzymes work by

Back 20

Reducing activation energy (EA)

Front 21

An enzyme

Back 21

Is an organic catalyst

Front 22

What namr is guven to the reactants in an enzymatically catalyzed reaction?

Back 22

Substrate

Front 23

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

Back 23

Is unchanged

Front 24

Photoautotrophs

Back 24

Produce the biospheres food supply

Front 25

Chlorophyll is found in the________of the chloroplasts.

Back 25

Thylakoid membranes

Front 26

Carbon dioxide enters a leaf through the

Back 26

Stomata.

Front 27

Chlorophyll molecules are found in which part of the chloroplast?

Back 27

Grana

Front 28

The calvin cycle occurs in the

Back 28

Stroma

Front 29

Electrons (with accompanying protons) are added to CO2 during

Back 29

Photosynthesis

Front 30

The light reactions of photosynthesis use _______ and produce.

Back 30

Water

Front 31

Where does oxygen gas come from?

Back 31

Oxygen is released when watrt is broken down.

Front 32

The light reactions produce

Back 32

Oxygen, NADPH, and ATP

Front 33

The thylakoid membranes bring together the components necessary to carry out the

Back 33

Light reactions

Front 34

Energy production per glucose molecule through the citric acid cycle is

Back 34

2 ATP, 6 NADH, 2 FADH2

Front 35

Once the citric acid cycle had been completed, most of the usable energy from the original glucose molecule is in the form of

Back 35

NADH

Front 36

How many molecules of ATP are gained by Substrate-level phosphorylation?

Back 36

4 ATP

Front 37

Muscle tissues make lactic acid from pyruvate so that you can

Back 37

Regenerate (oxidized) NAD+

Front 38

Equation for the cellular respiration of glucose is

Back 38

C6H12O6 + 6O2 --> 6CO2 + 6H2O + energy

Front 39

For each glucose that enters glycolysis, ____ NADH enter the electron transport chain.

Back 39

10

Front 40

In cellular respiration most ATP molecules are produced by

Back 40

Oxidative phosphorylation

Front 41

The final respiration electron acceptor of cellular respiration is

Back 41

Oxygen