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Prin. of Biological Science - Chapter 5

Total questions: 29

Worksheet time: 16mins

Name
Class
Date
1.

energy

a)

the capacity of any object to do work.

b)

the capacity to bring about a change in a defined system.

c)

the metabolic pathway that transforms light from the sun into the chemical of food molecules (sugars).

d)

oxygen-dependent breakdown of food molecules

e)

linked chain of reactions that create complex biomolecules from smaller organic compounds.

2.

work

a)

the capacity of any object to do work.

b)

the capacity to bring about a change in a defined system.

c)

the metabolic pathway that transforms light from the sun into the chemical of food molecules (sugars).

d)

oxygen-dependent breakdown of food molecules

e)

linked chain of reactions that create complex biomolecules from smaller organic compounds.

3.

potential energy

a)

energy stored in any system as a consequence of its position.

b)

energy a system possesses as a consequence of its state of motion.

c)

obtain energy from the nonliving environment.

d)

transforms light energy from the sun into the chemical energy of food molecules.

4.

kinetic energy

a)

energy stored in any system as a consequence of its position.

b)

energy a system possesses as a consequence of its state of motion.

c)

obtain energy from the nonliving environment.

d)

transforms light energy from the sun into the chemical energy of food molecules.

5.

chemical energy

a)

the potential energy stored in atoms because of their position in relation to other atoms.

b)

the kinetic energy stored in atoms because of their position in relation to other atoms.

c)

the potential energy stored in biomolecules because of their position in relation to other biomolecules.

d)

the kinetic energy stored in biomolecules because of their position in relation to other biomolecules.

6.

producers

a)

obtain energy from the nonliving environment.

b)

obtain energy from the living environment.

c)

gain energy from the nonliving environment.

d)

gain energy from the living environment.

7.

photosynthesis

a)

the metabolic pathway that transforms light energy from the sun into the chemical energy of food molecules (sugars).

b)

the metabolic pathway that transforms light energy from the chemical energy of food molecules to the sun.

c)

the metabolic pathway that transforms light energy from the sun into the kinetic energy of food molecules.

d)

the metabolic pathway that transforms light energy from the kinetic energy of food molecules to the sun.

8.

cellular respiration

a)

oxygen-dependent breakdown of food molecules to release a form of energy that is usable within a cell.

b)

carbon-dependent breakdown of food molecules to release a form of energy that is usable within a cell.

c)

oxygen-dependent buildup of food molecules to release a form of energy that is usable within a cell.

d)

carbon-dependent buildup of food molecules to hold a form of energy that is usable outside a cell.

e)

oxygen-dependent breakdown of food molecules to hold a form of energy that is usable within a cell.

9.

catabolism

a)

the linked chain of energy-producing reactions that release chemical energy in the process of breaking down complex biomolecules.

b)

the linked chain of energy-producing reactions that hold chemical energy in the process of breaking down complex biomolecules.

c)

the linked chain of energy-producing reactions that release kinetic energy in the process of breaking down complex biomolecules.

d)

the linked chain of energy-producing reactions that release chemical energy in the process of building up complex biomolecules.

e)

the linked chain of energy-producing reactions that release chemical energy in the process of breaking down complex atoms.

10.

anabolism

a)

the linked chain of energy-requiring reactions that create complex biomolecules from smaller organic compounds.

b)

the linked chain of energy-requiring reactions that create complex atoms from smaller organic compounds.

c)

the linked chain of energy-requiring reactions that create complex biomolecules from larger organic compounds.

d)

the linked chain of energy-requiring reactions that create complex atoms from larger organic compounds.

11.

oxidation

a)

the loss of a molecule, atom, or ion.

b)

the gain of a molecule, atom, or ion.

12.

reduction

a)

the gain of electrons by a molecule, atom, or ion.

b)

the loss of electrons by a molecule, atom, or ion.

13.

substrates

a)

bind to the active site of an enzyme based on the site’s size, shape, and chemistry.

b)

bind to the inactive site of an enzyme based on the site’s size, shape, and chemistry.

c)

bind to the active site of an enzyme based on the site’s size, shape, and biology.

d)

bind to the inactive site of an enzyme based on the site’s size, shape, and biology.

14.

induced fit model

a)

enzymes can adjust slightly to fit a substrate.

b)

enzymes cannot adjust slightly to fit a substrate.

c)

enzymes can adjust highly to fit a substrate.

d)

enzymes cannot adjust highly to fit a substrate.

15.

metabolic pathways

a)

proceed rapidly and efficiently.

b)

proceed slowly and efficiently.

c)

proceed slowly and inefficiently.

d)

proceed rapidly and inefficiently.

16.

BMR

a)

the energy the body uses when the subject is resting under specific conditions.

b)

the energy the body provides when the subject is resting under specific conditions.

c)

the energy the body uses when the subject is active under specific conditions.

d)

the energy the body provides when the subject is active under specific conditions.

17.

activation energy

a)

the minimum energy input that enables atoms and molecules to react.

b)

the maximum energy input that enables atoms and molecules to react.

c)

the minimum energy output that enables atoms and molecules to react.

d)

the maximum energy output that enables atoms and molecules to react.

18.

active site

a)

fits only substrates with the correct three-dimensional shape and chemical characteristics.

b)

fits only substrates with the correct three-dimensional shape and physical characteristics.

c)

fits only substrates with the correct two-dimensional shape and chemical characteristics.

d)

fits only substrates with the correct two-dimensional shape and physical characteristics.

19.

ADP

a)

ATP loses its terminal phosphate group, breaking into a molecule.

b)

ATP gains its terminal phosphate group, breaking into a molecule.

c)

adenosine diphosphate

d)

adenisine diophosphate

e)

adensine diaphosphate

20.

ATP

a)

small, energy-rich organic molecule

b)

large, energy-rich organic molecule

c)

energy-delivery service

d)

energy-order service

21.

catalyst

a)

a chemical that speeds up chemical reactions without being changed in the course of the reaction.

b)

a chemical that slows down chemical reactions without being changed in the course of the reaction.

c)

a chemical that speeds up chemical reactions while being changed in the course of the reaction.

d)

a chemical that slows down chemical reactions while being changed in the course of the reaction.

22.

enzyme

a)

biomolecules that speed up chemical reactions.

b)

biomolecules that slow down chemical reactions.

c)

atoms that speed up chemical reactions.

d)

atoms that slow down chemical reactions.

23.

the first law of thermodynamics

a)

energy can neither be created nor destroyed, but only converted from one form to another.

b)

energy can be created and destroyed, not only converted from one form to another.

c)

energy can be created and destroyed, and converted from one form to another.

d)

energy be created and destroyed, but not converted from one form to another.

24.

the second law of thermodynamics

a)

the unnatural tendency of the universe is to become less organized.

b)

the natural tendency of the universe is to become less organized.

c)

the natural tendency of the universe is to become more organized.

d)

the unnatural tendency of the universe is to become more organized.

25.

heat energy

a)

that portion of the total energy of a particle that can flow from one particle to another.

b)

that portion of the total energy of a particle that cannot flow from one particle to another.

c)

aka: thermal energy

d)

aka: kinetic energy

e)

aka: potential energy

26.

metabolism

a)

all the chemical reactions within a living cell that capture, store, or use energy.

b)

the capacity of any object to do work.

c)

the capacity to bring about a change in a defined system.

d)

the metabolic pathway that transforms light energy from the sun into the chemical energy of food molecules.

27.

product

a)

formed by reactions.

b)

form reactions.

28.

reactant

a)

starting materials.

b)

ending materials.

29.

redox reaction

a)

oxidation

b)

reduction

c)

reactant

d)

product

e)

activation