AP Biology Quiz #2

Which of the following structures is responsible for protein synthesis?

• Mitochondrion

• Lysosome

• Ribosome

• Golgi apparatus

The process by which a cell engulfs large particles by wrapping them in its plasma membrane is called:

• Exocytosis

• Endocytosis

• Pinocytosis

• Phagocytosis

Which of the following is true about the fluid mosaic model of the cell membrane?

• It consists of a rigid, static structure.

• Proteins are embedded in a phospholipid bilayer.

• Cholesterol is absent from the membrane.

• The membrane is impermeable to all substances.

Aquaporins are proteins that facilitate the transport of:

• Glucose

• Sodium ions

• Water

• Potassium ions

What is the main role of the endoplasmic reticulum in the cell?

• Energy production

• Protein and lipid synthesis

• DNA replication

• Cellular waste breakdown

The primary function of the light reactions of photosynthesis is to:

• Fix carbon dioxide into glucose

• Split water molecules to release oxygen

• Produce ATP and NADPH

• Convert glucose into pyruvate

Tags

NGSS.HS-LS1-5

During glycolysis, one molecule of glucose is converted into:

• Two molecules of acetyl-CoA

• Two molecules of pyruvate

• Four molecules of ATP

• One molecule of fructose

In cellular respiration, the Krebs cycle takes place in the:

• Cytoplasm

• Mitochondrial matrix

• Inner mitochondrial membrane

• Nucleus

The final electron acceptor in the electron transport chain during aerobic respiration is:

• NAD+

• FAD

• Oxygen

• Water

Tags

NGSS.HS-LS1-7

Which process produces the most ATP per molecule of glucose oxidized?

• Glycolysis

• Krebs cycle

• Electron transport chain and oxidative phosphorylation

• Fermentation