1.7 Cellular Respiration Flashcards Preview

Higher Human Biology Unit 1 > 1.7 Cellular Respiration > Flashcards

Flashcards in 1.7 Cellular Respiration Deck (17)
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1

Substance that carries acetal groups into the citric acid cycle

Coenzyme A

2

Enzymes that remove hydrogen from their substrates; important in the citric acid cycle

Dehydrogenase

3

Group of proteins embedded in membranes of mitochondria and chloroplasts

Electron transport chain

4

Hydrogen carrier important in the citric acid cycle

FAD

5

Progression of pyruvate in the absence of oxygen

Fermentation

6

Sugar that is the main respiratory substrate in cells

Glucose

7

First stage in cellular respiration

Glycolysis

8

Electrons that can yield energy as they pass through an electron transport chain

High-energy electrons

9

Substance in metabolic pathway between the original substrate and the end product

Intermediate

10

Central cavity of a mitochondrion in which the citric acid cycle occurs

Matrix

11

Cell organelle in which the aerobic stages of respiration occurs (plural: mitochondria)

Mitochondrion

12

Hydrogen carrier important in the citric acid cycle

NAD

13

Substance that combines with the acetyl group in the citric acid cycle to form citrate

Oxaloacetate

14

Inorganic phosphate used to phosphorylase ADP

Phosphate (Pi)

15

Enzyme that regulates glycolysis and synchronises it with the citric acid cycle

Phosphofructokinase (PFK)

16

Addition of phosphate to a substance

Phosphorylation

17

The end product of glycolysis

Pyruvate