C1.2 Cellular Respiration Notes- IB Biology 1

Multiple Choice

What enzyme is responsible for helping to join a phosphate group to another molecule during phosphorylation?

• Phosphatase

• Kinase

• ATP Synthase

• Rubisco

Multiple Choice

Which statement below is not true regarding ATP?

• It is the molecule organisms use as a source of energy.

• It is composed of adenine, ribose, and phosphate groups.

• Organisms obtain energy by breaking the bond between the first and second phosphate group.

• The free phosphate group can move to another molecule to give its energy in a process known as catabolism.

Multiple Choice

What is the function of mitochondria?

• Site of protein synthesis

• Site of genetic information storage and transmission

• Site of photosynthesis

• Site of ATP/energy production

Multiple Choice

Mitochondria increases surface area by intermembrane folding. These intricate folds are called _____________.

• Cisternae

• Ribosomes

• Cristae

• Matrix

Multiple Choice

What enzyme is responsible for dephosphorylation, which occurs when a phosphate group is removed from a molecule? For example when ATP is turned into ADP when a phosphate group is removed.

• Phosphatase

• Kinase

• ATP Synthase

• Rubisco

Multiple Choice

What is the NET ATP production at the end of glycolysis?

• 1 ATP

• 2 ATP

• 3 ATP

• 4 ATP

Multiple Choice

What is a product of glycolysis?

• Pyruvate

• Citrate

• O2

• Glucose

Multiple Choice

What is produced at the end of glycolysis?

• 1 NADH, 2 ATP, 2CO2

• 2 NADH, 2 H2O, 2 pyruvate, 2 ATP, 2 H+ 2 NADH, 2 H2O, 4 ATP, 2 Acetyl CoA

• 2 NADH, 2 H2O, 4 ATP, 2 Acetyl CoA

• 2 NADH, 2 H2O, 4 ATP, 1 glucose

Multiple Choice

Where does the Citric Acid/Krebs Cycle occur?

• Cristae

• Cytosol

• Mitochondrial Lumen

• Mitochondrial Matrix

Open Ended

How is the proton gradient formed across the inner mitochondrial membrane?

Multiple Choice

What is the final electron acceptor at the end of the ETC?

• Oxygen

• H2O

• CO2

• Acetyl-CoA

Multiple Choice

How does ATP synthase obtain energy to convert ADP + P to ATP?

• From ATP made in photosynthesis

• From the proton gradient

• From the electrons spare energy

• From the free-floating proteins in the mitochondria

Multiple Choice

The following processes occur in aerobic cell respiration.

 

I. Oxidation of pyruvate

II. Diffusion of protons through ATP synthase

III. Splitting of glucose into pyruvate

 

Which is the correct sequence for these processes?

• I --> II --> III

• I --> III --> II

• II --> III --> I

• III --> I --> II

Multiple Choice

In cellular respiration, electrons are passed to a series of proteins by the electron-carriers known as ______ and ______, which leads them to their final electron acceptor _______.

 

Which option below correctly fills in the blanks?

• NADP+, NADPH, oxygen

• NADH, FADH2, oxygen

• Glucose, pyruvate, citrate

• NADH, ATP, ATP synthase

Multiple Choice

What is a consequence of anaerobic cell respiration in muscles?

• Small yield of readily available ATP and lactate accumulation

• Large yield of readily available ATP and ethanol production

•  Large yield of ATP and production of carbon dioxide and lactic acid

• Small yield of ATP that is not readily available and carbon dioxide production

Multiple Choice

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

• Lactate

• Pyruvate

• Carbon Dioxide

• Ethanol

Multiple Choice

What is a difference between aerobic respiration and anaerobic respiration in yeast?

• Anaerobic respiration requires enzymes, aerobic respiration does not.

• Anaerobic respiration requires glucose, aerobic respiration does not.

• Anaerobic respiration produces ethanol, aerobic respiration does not.

• Anaerobic respiration does not produce oxygen, aerobic respiration does.

Multiple Choice

What are final products of photosynthesis and of aerobic respiration?

• Photosynthesis- CO2, Water, and ATP

  Cell Resp.- Glucose, ADP

• Photosynthesis- glucose, oxygen

  Cell Resp.- CO2, water, ATP

• Photosynthesis- Glucose, water, ADP

  Cell Resp.- CO2, ADP, urea

• Photosynthesis- CO2, water, ADP

  Cell Resp.- pyruvate, CO2, ATP

Multiple Choice

In both cellular respiration and photosynthesis, the transfer of electrons is accompanied by...

• Catabolic and anabolic reactions

• The synthesis of ADP

• The production of glucose

• The formation of a proton gradient