Lesson 6, Test 1 Part 2
1 of 50
Which of the following is a measure of disorder?
Conservation of energy
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
3 of 50
Which of the following directly provides energy for cellular work?
4 of 50
Energy is transferred from ATP to other molecules by transferring which of the following?
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?
6 of 50
What does an enzyme’s function depend on?
7 of 50
What is the name for the region of an enzyme to which a substrate binds?
8 of 50
What is the name for substances that plug up an enzyme’s active site?
induced fit factors
9 of 50
Diffusion is an example of which of the following?
10 of 50
Which of the following is the best description of osmosis?
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.
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.
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.