WorksheetsCell Metabolism & Energy Quiz
Total questions: 15
Worksheet time: 8mins
What is the main component of intracellular fluid (ICF)?
Blood plasma
Cytosol
Interstitial fluid
Transcellular fluid
Which of the following is a characteristic of extracellular fluid (ECF)?
Regulated by homeostasis
Is found only in the blood
Contains only sodium ions
Is always isotonic
What process describes the movement of water through a selectively permeable membrane?
Diffusion
Active transport
Osmosis
Facilitated diffusion
What type of transport does NOT require energy?
Active transport
Facilitated diffusion
Endocytosis
Exocytosis
What is the term for the pressure exerted by water inside plant cells?
Turgor pressure
Plasmolysis
Hydrostatic pressure
Osmotic pressure
Which type of reaction in metabolism requires energy input?
Catabolic reactions
Endergonic reactions
Exergonic reactions
Anabolic reactions
What is the main energy carrier in cells?
ADP
NADH
ATP
FADH2
What is the minimum amount of energy required to start a reaction called?
Catalytic energy
Potential energy
Activation energy
Thermal energy
Which of the following describes the role of enzymes in chemical reactions?
Slow down reactions
Act as catalysts
Change the products of reactions
Increase activation energy
What type of inhibition occurs when an inhibitor binds to an enzyme at a site other than the active site?
Competitive inhibition
Feedback inhibition
Noncompetitive inhibition
Irreversible inhibition
Which of the following is a process of endocytosis?
Phagocytosis
Diffusion
Osmosis
Facilitated diffusion
What happens to a cell in a hypertonic solution?
It swells
It remains the same
It loses water
It gains water
Which of the following is NOT a main cation in extracellular fluid?
Sodium
Potassium
Calcium
Chloride
What is the pH of extracellular fluid typically regulated around?
8.0
7.0
6.0
7.4
How is energy released from ATP to power endergonic reactions?
By breaking the bond between the last two phosphates in ATP
By adding a third phosphate to ADP
By storing energy in glycogen
By converting glucose into glycogen
