Biology Concepts

Question

Introduction

BIO100

Biology Concepts

Lesson 6, Test 1 Part 2

Question

1 of 50

Which of the following is a measure of disorder?

Conservation of energy

Entropy

Respiration

Kinetic energy

Potential energy

Question

2 of 50

Glucose molecules provide energy to power the swimming motion of sperm. In this example, what type of energy transformation is taking place?

kinetic energy is transformed into potential energy

chemical energy is transformed into potential energy

kinetic energy is transformed into chemical energy

chemical energy is transformed into kinetic energy

none of the above

Question

3 of 50

Which of the following directly provides energy for cellular work?

Fat

ATP

DNA

Sucrose

C6H12O6

Question

4 of 50

Energy is transferred from ATP to other molecules by transferring which of the following?

heat unit

adenosine

phosphate group

photon

spring

Question

5 of 50

What is the name for specialized proteins that cause metabolic reactions to proceed at a faster rate than they normally would occur?

Enzymes

Fatty Acids

Amino Acids

Polysaccharides

Nucleic Acids

Question

6 of 50

What does an enzyme’s function depend on?

size

weight

temperature

shape

pH

Question

7 of 50

What is the name for the region of an enzyme to which a substrate binds?

enzymatic

substrate

active

denatured

conformational

Question

8 of 50

What is the name for substances that plug up an enzyme’s active site?

induced fit factors

enzyme products

enzyme substrates

reactants

enzyme inhibitors

Question

9 of 50

Diffusion is an example of which of the following?

active transport

endocytosis

exocytosis

passive transport

phagocytosis

Question

10 of 50

Which of the following is the best description of osmosis?

Endocytosis

Active transport of substances against a concentration gradient.

The diffusion of nonpolar molecules.

The diffusion of a solute.

The movement of water across a selectively permeable membrane.

Question

11 of 50

Which of the following statements describes the movement of water as a result of osmosis?

Movement to the side with lower water concentration.

Movement to the side with lower solute concentration.

No movement across the cell membrane.

Equal movement in both directions across the membrane.

Movement to the side with higher water concentration.

Question

12 of 50

Which of the following statements is true about diffusion?

It is a process that only occurs at the cellular level.

It occurs when particles spread from an area of lesser concentration to an area of higher concentration.

It requires an input of energy.

It proceeds until equilibrium is reached.

It is the result of potential energy from atoms.

Question

 

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