cellular respiration

What is the primary molecule that stores and transfers energy in cells?

• Glucose

• Pyruvate

• Adenosine triphosphate (ATP)

• NADH

Tags

NGSS.HS-LS1-7

Which process occurs in the cytoplasm and breaks down glucose into pyruvate, yielding ATP and NADH?

• Citric acid cycle

• Oxidative phosphorylation

• Glycolysis

• β-(Beta)-oxidation

Tags

NGSS.HS-LS1-7

Where in the cell does the citric acid cycle take place?

• Cytoplasm

• Intermembrane space

• Mitochondrial matrix

• Nucleus

Which molecule acts as the final electron acceptor in the electron transport chain?

• NADH

• FADH2

• Oxygen

• Cytochrome c

Tags

NGSS.HS-LS1-7

Which process involves the direct transfer of a phosphate group to ADP to form ATP?

• Oxidative phosphorylation

• Substrate-level phosphorylation

• Chemiosmosis

• Fermentation

Which of the following is a type of fermentation that occurs in muscle cells under anaerobic conditions?

• Ethanol fermentation

• Lactic acid fermentation

• Citric acid cycle

• β-(Beta)-oxidation

Tags

NGSS.HS-LS1-7

Which molecule is a polysaccharide that serves as a storage form of glucose in animals?

• Glycogen

• Starch

• Cellulose

• Glucose-6-phosphate

Which pathway is involved in the breakdown of fatty acids to acetyl-CoA?

• Glycolysis

• Citric acid cycle

• β-(Beta)-oxidation

• Oxidative phosphorylation

What type of reaction involves the transfer of electrons between molecules, often associated with energy transfer?

• Hydrolysis

• Condensation

• Oxidation–reduction reaction

• Dehydration synthesis

Where is the intermembrane space located in a mitochondrion?

• Between the inner and outer mitochondrial membranes

• Inside the mitochondrial matrix

• Within the cristae

• Outside the outer membrane