ib biology C 1.2 Cell respiration

Which of the following statements correctly describes anaerobic respiration in yeast?

I. The breaking down of glucose to yield products of ethanol and carbon dioxide.

II. It needs oxygen

III. Lactic acid is produced as a metabolic waste product.

IV. Yields more ATP than aerobic respiration.

• I only

• I. II. and IV.

• I. and II.

• III. and IV.

What happens when ATP is converted to ADP?

• A net release of energy.

• A net amount of energy is destroyed.

• It can never be reconverted to ATP

• A phosphate is added

Which of the following require ATP?

I. Making DNA, RNA and proteins.

II. Active transport of ions across membranes.

III. diffusion

IV. Muscle contractions.

• I, II, and IV

• III and IV

• II and IV

• IV

Which compound is a waste product of anaerobic respiration in humans?

• Carbon dioxide

• Ethanol

• Lactate

• Pyruvate

Respiration makes the energy carrying molecule, ATP to drive cellular reactions. How is the energy from ATP released?

• ATP is hydrolysed to ADP.

• ATP is hydrolysed to ADP and phosphate.

• ATP is converted to chemical energy.

• ATP is broken down into adenine and phosphates.

Glucose is the initial substrate of anaerobic and aerobic respiration.

• True

• False

Which pair of molecules are products of aerobic and anaerobic cell respiration in some organisms?

• A

• B

• C

• D

What do you expect to see happen?

• The liquid in the manometer will move UP the ruler

• The liquid in the manometer will move DOWN the ruler

• The liquid in the manometer will NOT move

• The liquid in the manometer will move UP and DOWN the rule

What is the purpose of the soda lime in this lab?

• absorbs oxygen

• absorbs carbon dioxide

• facilitates respiration

• keeps the temperature regulated