Cellular Respiration

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event

• As the cells run out of oxygen they switch to anaerobic respiration, which allows the cell to make small amounts of ATP in the absence of oxygen. 

• The cells will never run out of oxygen if the weightlifter is breathing.

• As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

• As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP. 

Where in the cell does most steps of aerobic respiration take place?

• Nucleus

• Mitochondria

• Cytoplasm

• Cell Membrane

What are the products of aerobic respiration?

• Glucose and oxygen

• Carbon dioxide and water

• Lactic acid

• Carbon monoxide

What is the correct order of processes in Aerobic Respiration?

• Glycolysis, Pyruvate Oxidation, Kelvin Cycle, Electron Transport Chain

• Electron Transport Chain, Glycolysis, Pyruvate Oxidation, Kreb's Cycle

• Glycolysis, Pyruvate Oxidation, Kreb's Cycle, Electron Transport Chain

• Glycolysis, Kreb's Cycle, Pyruvate Oxidation, Electron Transport Chain

Fermentation and Aerobic Respiration produce different amounts of ATP. What is the correct pairing of amount of net ATP produced?

• Fermentation = 2; Aerobic Respiration = 36

• Fermentation = 4; Aerobic Respiration = 39

• Fermentation = 36; Aerobic Respiration = 2

• Fermentation = 4; Aerobic Respiration = 4

Prior to the Kreb's Cycle, the 2 pyruvic acids must first be converted into ____?

• 2 NADH

• 2 ATP

• 2 RuBP

• 2 Acetyl CoA

At the end of the ETC and Chemiosmosis, what binds to the electrons and H⁺'s?

• H₂O

• ATP

• O₂

• CO₂

Which of the following statements is/are TRUE? select all that apply!

• The products Photosynthesis are the reactants for Respiration.

• Animals and plants provide each other with the gases they need.

• Photosynthesis and Respiration are not connected in any way.

• The products of Respiration are the reactants for Photosynthesis.

How many carbons are in a glucose molecule?

• 1

• 6

• 12

• 36

What does "organelle" mean?

• Organ systems that function together

• Organs in the human body

• Little cell - the basic unit of life

• Little organ - an 'organ' inside the cell