Bio 1103 Cellular Respiration and Fermentation Lab 8 Review

These flashcards cover key concepts of cellular respiration and fermentation, including definitions, processes, equations, and laboratory techniques.

What is cellular respiration?

The process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to produce ATP.

What are the 2 types of cellular respiration?

1. Aerobic respiration, which uses oxygen

2. Anaerobic respiration, which does not use oxygen.

Where does glycolysis occur in the cell?

In the cytoplasm.

What is the overall equation for aerobic cellular respiration?

C6H12O6 (glucose) + 6O2 (oxygen) → 6CO2 (carbon dioxide) + 6H2O (water) + ATP (energy).

What is fermentation?

A metabolic process that occurs in the absence of oxygen where an organic molecule serves as the final electron acceptor.

What are the 2 types of fermentation?

1. Lactic acid fermentation

2. Ethanol fermentation.

What is produced in lactic acid fermentation?

Lactic acid and ATP.

What is produced in ethanol fermentation?

Ethanol, carbon dioxide, and ATP.

What is the importance of yeast in fermentation?

It ferments sugars to produce alcohol and carbon dioxide, which is essential in making bread and alcoholic beverages.

How do photosynthesis and cellular (aerobic) respiration relate?

Plants use carbon dioxide produced by animals in photosynthesis, while animals use oxygen produced by plants in aerobic respiration.

What is measured to assess the rate of cellular respiration?

Oxygen consumption or carbon dioxide production.

What happens during the citric acid cycle?

Acetyl-CoA is oxidized to produce ATP, NADH, and FADH2.

Where does the electron transport chain occur?

In the inner mitochondrial membrane.

What laboratory apparatus is used to measure CO2 production in plant respiration?

A bean (seed) respirometer.

What laboratory apparatus is used to measure O2 consumption in animal respiration?

An animal respirometer.

What is the misconception about breathing among plants and animals?

The oversimplification that 'we breathe oxygen but plants breathe carbon dioxide'.

In which 3 processes does glycolysis only occur? 

1. Aerobic Respiration

2. Alcohol Fermentation

3. Lactic Acid Fermentation 

Which process produces the most ATP?

aerobic cellular respiration

True or False, Animals breath oxygen and plants "breath" carbon dioxide?

True

Yeast is used to make what 3 things?

1. Bread

2. Wine

3. Beer

Which formula(s) are fermentation?

glucose ⇒ ethanol + carbon dioxide

AND

glucose ⇒ lactic acid