Biology 9th Edition by Peter H Raven -Test Bank A+

Description

Multiple Choice Questions

1. Each of the significant properties of a cell (its growth, reproduction, and responsiveness to

its environment) requires ________.

1. energy
2. light
3. mitosis
4. movement

Bloom’s Level: Remember

Section: 6.01

Topic: General

1. Energy is defined as:
2. heat
3. the capacity to do work
4. change
5. movement

Bloom’s Level: Remember

Section: 6.01

Topic: General

1. Free energy is the amount of energy available for the cell to carry out its many chemical

processes. It is the difference between the internal energy or enthalpy and ______ or disorder.

1. free energy
2. entropy
3. chaos
4. heat

Bloom’s Level: Remember

Section: 6.02

Topic: General

6-1

Chapter 06 – Test Bank: Energy and Metabolism

1. The process of influencing the chemical bonds in a way that lowers the __________

needed to speed up a chemical reaction is called catalysis.

1. heat energy
2. free energy
3. activation energy
4. enzyme

Bloom’s Level: Understand

Figure: 6.05

Section: 6.02

Topic: Chemistry

1. Enzymes work most effectively at
2. their optimum pH and temperature conditions
3. all pH and temperature conditions
4. only one temperature and a specific pH

Bloom’s Level: Evaluate

Figure: 6.12

Section: 6.04

Topic: General

1. Certain key molecules can regulate biochemical pathways by controlling the rates of

enzymatic reactions by binding at _________ sites.

1. catalytic
2. enzymatic
3. active
4. allosteric

Bloom’s Level: Understand

Figure: 6.13

Section: 6.04

Topic: General

6-2

Chapter 06 – Test Bank: Energy and Metabolism

1. A series of sequential chemical reactions which are maintained in the cell are called:
2. chemical reactions
3. biochemical pathways
4. energy steps
5. second messenger cascades

Bloom’s Level: Remember

Figure: 6.14

Section: 6.05

Topic: General

1. A chemical reaction which requires energy is called an ________________ reaction.
2. exergonic
3. endergonic
4. explosive
5. heating

Bloom’s Level: Remember

Figure: 6.04

Section: 6.02

Topic: Chemistry

1. A molecule that closely resembles the shape of a substrate for an enzyme might serve as

a(n)

1. an enzyme
2. allosteric modulator
3. competitive inhibitor
4. pathway blocker

Bloom’s Level: Analyze

Figure: 6.13

Section: 6.04

Topic: General

6-3

Chapter 06 – Test Bank: Energy and Metabolism

1. Oxidation and reduction reactions are chemical processes that result in a gain or loss in
2. atoms.
3. neutrons.
4. electrons.
5. molecules.
6. protons.

Bloom’s Level: Remember

Figure: 6.02

Section: 6.01

Topic: Chemistry

1. Reactions that occur spontaneously and release free energy are called _____________

reactions.

1. activation
2. exergonic
3. catabolistic
4. thermodynamic
5. endergonic

Bloom’s Level: Remember

Figure: 6.04

Section: 6.02

Topic: Chemistry

1. A chemical reaction in which the products contain less energy than the _______ will tend

to proceed spontaneously.

1. reactants
2. enzymes
3. coenzymes
4. substrates
5. cofactors

Bloom’s Level: Analyze

Section: 6.02

Topic: Chemistry

6-4

Chapter 06 – Test Bank: Energy and Metabolism

1. Protein catalysts that speed up the various metabolic biological reactions in an organism

are called

1. substrates.
2. cofactors.
3. reactants.
4. products.
5. enzymes.

Bloom’s Level: Remember

Section: 6.04

Topic: General

1. Enzymes have specific ________ with which they interact.
2. products
3. substrates
4. reactants
5. atoms
6. end-products

Bloom’s Level: Remember

Figure: 6.08

Section: 6.04

Topic: General

1. The specificity of an enzyme is due to its active site. The active site is shaped so that only

a certain

1. substrate molecule can fit into it.
2. product molecule can fit into it.
3. reactant molecule can fit into it.
4. cofactor molecule can fit into it.
5. histone molecule can fit into it.

Bloom’s Level: Evaluate

Figure: 6.08

Section: 6.04

Topic: General

6-5

Chapter 07 – Test Bank: How Cells Harvest Energy

Chapter 07

Test Bank: How Cells Harvest Energy

Multiple Choice Questions

1. Organisms that can manufacture their own chemical energy sources are called

_____________.

1. autotrophs
2. heterotrophs
3. oligotrophs
4. chemotrophs

Bloom’s Level: Remember

Section: 7.01

Topic: General

1. ________ depend on energy stored in chemical bonds by autotrophs for their food energy.

1. autotrophs
2. heterotrophs
3. oligotrophs
4. chemotrophs

Bloom’s Level: Remember

Section: 7.01

Topic: General

1. Simple molecules are further broken down in cells in a process called _________, during

which energy stored in their chemical bonds is used to power the production of ATP.

1. photosynthesis
2. anabolism
3. respiration
4. muscle contraction

Bloom’s Level: Remember

Section: 7.01

Topic: General

7-1

Chapter 07 – Test Bank: How Cells Harvest Energy

1. Glucose is broken down to carbon dioxide and water in organisms which breathe air in a

process called ________ respiration.

1. anaerobic
2. continuous
3. glucose
4. aerobic

Bloom’s Level: Remember

Section: 7.01

Topic: General

1. In glycolysis, a major portion of the energy remains in the final product, which is called

________.

1. glucose
2. carbon dioxide
3. ATP
4. pyruvate

Bloom’s Level: Remember

Figure: 7.06

Section: 7.02

Topic: General

1. For further derivation of energy, aerobic cells must convert pyruvate into acetyl-CoA by

stripping off a C02 molecule. This process is known as ___________.

1. decarboxylation
2. glycolysis
3. The Kreb’s cycle
4. metabolism

Bloom’s Level: Remember

Figure: 7.09

Section: 7.03

Topic: General

7-2

Chapter 07 – Test Bank: How Cells Harvest Energy

1. All of the reactions of glucose oxidation that follow glycolysis, and involve the transfer of

electrons to their final acceptor, take place in eukaryotic cells in the ___________.

1. chloroplasts
2. nucleus
3. mitochondria
4. plasma membrane

Bloom’s Level: Remember

Figure: 7.14

Section: 7.05

Topic: General

1. Because the chemical formation of ATP is driven by a diffusion force similar to osmosis,

this process is referred to as ___________.

1. active transport
2. chemiosmosis
3. decarboxylation
4. diffusion

Bloom’s Level: Remember

Figure: 7.15

Section: 7.05

Topic: General

1. The return of the protons into the mitochondrial matrix through mitochondrial membrane

channels occurs by the process of _________.

1. diffusion
2. osmosis
3. active transport
4. reversal of potential

Bloom’s Level: Remember

Figure: 7.15

Section: 7.05

Topic: General

7-3

Chapter 07 – Test Bank: How Cells Harvest Energy

1. The amino acids must be first __________ before they can be used in catabolic reactions.

1. stripped
2. proteins
3. deoxygenated
4. deaminated

Bloom’s Level: Remember

Figure: 7.21

Section: 7.09

Topic: General

1. Fats undergo a process called ________ oxidation, in which the products are acetyl

coenzyme molecules.

1. alpha
2. beta
3. gamma
4. omega

Bloom’s Level: Remember

Figure: 7.22

Section: 7.09

Topic: General

1. The first stage of cellular respiration, _____________, occurs with or without oxygen

present.

1. the Kreb’s cycle
2. glycolysis
3. gluconeogenesis
4. cleavage

Bloom’s Level: Remember

Section: 7.02

Topic: General

7-4

Chapter 07 – Test Bank: How Cells Harvest Energy

1. When oxygen is limiting, during heavy exercise, muscle cells revert to

________________ fermentation for energy production.

1. alcohol
2. yeast
3. aerobic
4. lactic acid

Bloom’s Level: Remember

Section: 7.08

Topic: General

1. A molecule that stores energy by linking charged phosphate groups near each other is

called

1. ATP.
2. NADH.
3. FADH.
4. cyclic AMP.
5. pyruvate.

Bloom’s Level: Remember

Section: 7.01

Topic: General

1. An electron carrier that is used in harvesting energy from glucose molecules in a series of

gradual steps in the cytoplasm is

1. pyruvate.
2. cyclic AMP.
3. ATP.
4. NAD+.
5. NADH.

Bloom’s Level: Remember

Figure: 7.03

Section: 7.01

Topic: General

7-5