Chapter Six Flashcards
1
Q
What is the overall reaction for aerobic respiration
A
C6H12O6 + 6O2 —> 6CO2 + 36 ATP
2
Q
Explain single-celled organisms and O2 and CO2
A
- These gases simply diffuse across membranes
- More complex orgamisms have specialized organs such as gills or lungs for gas exchange
3
Q
What do plants use for cellular respiration
A
Oxygen
4
Q
What are the series of processes that occurs almost simultaneously in aerobic respiration
A
- Glycolisis
- Citric Acid cycle
- Electron transport chain (Oxidative phosphorylation)
5
Q
Explain glycolysis
A
- Glucose is broken down into two 3-carbon pyruvate molecules (CH3COCOOH)
- Glycolysis also generates two ATP molecules
- Occurs in the cytosol of a cell
6
Q
Explain the Citric Acid cycle
A
- AKA Kreb’s Cycle
- Occurs inside the mitochondria
Pyruvate is oxidized and CO2 is released - Makes use of two high-energy electron carries NADH and FADH2
- Cell uses them to generate ATP
7
Q
Explain the Electron transport chain
A
- AKA Oxidative phosphorylation
- Also occurs at the cristae of the mitochondria
- Transfers energy-rich electrons from NADH and FADH2 through a series of membrane proteins
8
Q
Explain cellular respiration fully
A
- A biological process in which organic compounds are converted into energy
- Consists of three pathways that generate ATP from food
9
Q
What are the types of cellular respiration
A
- Aerobic Cellular Respiration
- Anaerobic Respiration
- Fermentation
10
Q
Explain Aerobic Cellular Respiration
A
A cell uses Oxygen gas (O2) and glucose to
generate ATP
11
Q
Explain Anaerobic Respiration
A
Generates ATP from glucose without using O2
12
Q
Explain Fermentation
A
Generates ATP from glucose without using O2
13
Q
What is the first step in the breakdown of glucose to extract energy for cell metabolism
A
Glycolysis
