Topic 5.1 - aerobic respiration. 5.2 - Glycolysis 5.3 - Link reaction

Question 1

what does ATP stand for?

Answer 1

Adosine Triphosphate

Question 2

what are the 2 types of cellular respiration?

Answer 2

• aerobic
• anaerobic

Question 3

aerobic?

Answer 3

• involving/requiring oxygen

Question 4

Anaerobic?

Answer 4

It’s the process your cells use when there’s no oxygen available, but they still need to make some ATP for energy. It’s a bit less efficient than aerobic respiration

Question 5

what is cellular respiration

Answer 5

process which takes energy from food and turns it into ATP

Question 6

what is the basic unit of life

Answer 6

a cell

Question 7

why does a cell need energy?

Answer 7

• to carry out many metabollic processes

Question 8

where does the energy for cells come from?

Answer 8

• energy comes from the chemical bonds in molecules

Question 9

equation for aerobic respiration?

word and number

Answer 9

glucose + oxygen -> carbon dioxide + water + energy

C6H12O6 + O2 = CO2 = H2O + ATP

Question 10

what kind of reaction is aerobic respiration?

exothermic/endothermic

Answer 10

• exothermic

Question 11

substrate?

Answer 11

used in a reaction/reactants

Question 12

what is the name for ingredients used in respiration (reactants)

Answer 12

• respiratory substrate

Question 13

where is energy stored

Answer 13

in bonds

Question 14

draw ATP

Question 15

how is energy made?

what bonds break? btwn what?
what catalyses?

Answer 15

• when covalent bonds break btwn the 2 phosphate bonds
• catalysed by the enxyme ATPase

Question 16

can an aerobic respiration reaction be reversed?

Answer 16

yes

• use energy from food to ‘recharge’ ATP

Question 17

wheredoes aerobic respiration happen?

Answer 17

mitochondria

Question 18

where does anaerobic respiration happen?

Answer 18

cytoplasm

Question 19

OILRIG

Answer 19

Oxidastion is loss of e, gain of O2, loss of H+, Reduction is gain of e, lossof O2, gain of H+

Question 20

hydrogen is on par with what happens to electrons here

what else could happens in Oxidation?

Answer 20

• loses Hydrogen
• could gain some Oxygen

Question 21

hydrogen is on par with what happens to electrons here

What else could happens in reduction

Answer 21

• gain Hydrogen
• Could lose some Oxygen

Question 22

where does glycolysis happen?

Answer 22

cytoplasm

Question 23

whats the aim of the link reaction

Answer 23

• to take 2 pyruvate in to mitochondria

Question 24

Aerobic respiration is a chain of reactions.
name the different reactions that happen

Answer 24

• glycolysis
• link reaction
• Kreb’s cycle
• Electron chain reaction

Question 25

which part of the aerobic respiration processes makes ATP

Answer 25

- Electron chain reaction

Question 26

what does glycolysis do? does it need Oxygen?

Answer 26

- splits the respirstory substrate (glucose) into smaller molecules so it can enter th mitochondria through the link reaction

Question 27

what are the 2 stages of glycolysis called

Answer 27

- phosphorylation - oxidation

Question 28

whats happens in phosphorylation?And why? simple

Answer 28

addition of a phosphate to a molecule. - So the glucose becomes more reactive — which helps it get broken down more easily to release energy.

Question 29

whats happens in Oxidation in glycolysis? Simple

Answer 29

- ATP and nicotinamide-adenine dinucleotide (NADH) are produced

Question 30

products of Glycolysis?

Answer 30

- 2x NADH - 2x ATP - 2x pyruvate molecules

Question 31

where does the NADH from glycolysis and the liunk reaction go to?

Answer 31

- electron transfer chain

Question 32

what are the products of the link reaction and waht goes where

Answer 32

- 2x NADH (goes to ETC) - 2x CO2 (waste product) - 2x Acetal CoA (coenzyme A) - (goes into the Kreb's cycle)

Question 33

glycolysis steps + names of molecules:

Answer 33

- 6C sugar -> Phosphorylation -> Glucose 6-phosphate-> lysis-> 2x 3C sugar (Glycerate 3-phosphate -> 2xpyruvate

Question 34

Link reaction steps + names of molecules and use:

Answer 34

- decarboxylation -> oxidation -> addityion of CoA - 2 pyruvate -> Decarboxylation -> Oxidation -> Acetyl grp -> add CoA - -> Acetyl CoA CoA is needed to carry acetyl grp into Krebs Cycle

Question 35

Where does Link reaction Happen

Answer 35

- Matrix

Question 36

Glycolysis happens where?

Answer 36

Cytoplasm