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
[checkout]
