Chapter 9: Cellular respiration

Question 1

What is cellular respiration?

Answer 1

Cellular respiration- is the process that releases energy by breaking down food molecules in the presence of oxygen.

Question 2

Describe the overall equation for cellular respiration.

Answer 2

Glucose + 02 → CO2 + H2O

Question 3

Under what condition(s) does it occur?

Answer 3

When oxygen occurs

Question 4

What are the three main stages of cellular respiration?

Answer 4

Glycolysis, Kreb Cycle, Electron Transport Chain

Question 5

Where does each take place?

Answer 5

Glycolysis (cytoplasm), Kreb Cycle & Electron Transport Chain (Mitochondria).

Question 6

Can cells obtain energy in the absence of oxygen? How?

Answer 6

Yes through fermentation

Question 7

What type(s) of organisms use alcoholic fermentation?

Answer 7

Yeast and other small organisms

Question 8

In what cell type, and under what condition(s), does lactic acid fermentation take place?’

Answer 8

Muscle cells, under the condition of being anaerobic

Question 9

Which product(s) of the overall equation for cellular respiration is produced… …by the Krebs cycle?

Answer 9

CO2 and 24 ATP molecules

Question 10

Which product(s) of the overall equation for cellular respiration is produced… …by the electron transport chain?

Answer 10

H2O and 6 ATP molecules