Exam 2 Review

What is the primary function of proteins in the body?

• Energy storage

• Catalyzing biochemical reactions

• Genetic information storage

• Insulation

Which of the following is a characteristic of lipids in the cell membrane?

• They are hydrophilic

• They form a bilayer structure

• They are primarily composed of nucleotides

• They are soluble in water

Which type of molecular transport requires energy input from the cell?

• Passive transport

• Facilitated diffusion

• Active transport

• Osmosis

What is the main purpose of the light reactions in photosynthesis?

• To produce glucose

• To fix carbon dioxide

• To generate ATP and NADPH

• To release oxygen

Tags

NGSS.HS-LS1-5

In the Calvin cycle, which molecule is fixed to form glucose?

• Oxygen

• Nitrogen

• Carbon dioxide

• Water

Tags

NGSS.HS-LS1-6

NGSS.HS-LS2-5

Which stage of cellular respiration occurs in the cytoplasm?

• Glycolysis

• Krebs cycle

• Electron transport chain

• Oxidative phosphorylation

Tags

NGSS.HS-LS1-7

What is the role of NADPH in photosynthesis?

• It absorbs light energy

• It acts as an electron carrier

• It provides structural support

• It releases oxygen

Which of the following is NOT a function of proteins?

• Structural support

• Hormone regulation

• Genetic information storage

• Transport of molecules

What is the main component of the cell membrane?

• Proteins

• Carbohydrates

• Lipids

• Nucleic acids

Which process in cellular respiration produces the most ATP?

• Glycolysis

• Krebs cycle

• ATP Synthesis

• Fermentation