week 6

How many ATP are made during the electron transport chain?

Thirty-four (34)

What is the collection of anabolic and catabolic reactions in a cell called?

Metabolism

What type of fermentation produces ethanol and carbon dioxide?

Alcohol fermentation

What is the first stage of cellular respiration that does not require oxygen?

Glycolysis

What is another name for the Krebs cycle?

Citric Acid Cycle

What are protein catalysts that help chemical reactions occur under cellular conditions?

Enzymes

What molecule is essential to all cells for cellular work?

ATP

Enzymes have an _____ temperature at which they function best.

Optimal

ATP

Not stored by cells, essential to all cells to do cellular work, made by catabolic pathways.

Select the incorrect statement:

• Enzymes are protein catalysts.

• Enzymes help chemical reactions occur under cellular conditions.

• Enzymes are needed in small amounts to make a chemical reaction happen faster.

• The car-and-driver model is used to describe an enzyme and its substrate

The car-and-driver model is used to describe an enzyme and its substrate.

Organic cofactors

Are called coenzymes, include vitamins, can be made from vitamins such as NAD+ and FAD.

The enzyme would be denatured.

What happens to an enzyme with an optimal temperature of 98.6 degrees Fahrenheit if it is at 110 degrees Fahrenheit? __________.

Glycolysis does not require oxygen.

Select the correct statement:

• Glycolysis is the second stage of cellular respiration.

• Glycolysis does not require oxygen.

• Glycolysis occurs in the mitochondria of eukaryotes and prokaryotes.

• Glycolysis produces 2 ATP gross and 4 ATP profit.

2 ATP, NADH, FADH2.

During Krebs Cycle, _______ are produced.

34.

How many ATP are made during the electron transport chain? __________.

Pyruvic acid from glycolysis.

Fermentation begins with _________.

True.

T/F: Ethanol fermentation is important in the production of alcoholic beverages and bread. __________.

ATP synthase.

This molecule is used during bacterial electron transport chain to move hydrogen ions back down the electrochemical gradient into the bacterial cytoplasm: __________.