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Biology > Topic 5.1 - aerobic respiration. 5.2 - Glycolysis 5.3 - Link reaction > Flashcards

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

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1
Q

what does ATP stand for?

A

Adosine Triphosphate

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2
Q

what are the 2 types of cellular respiration?

A
  • aerobic
  • anaerobic
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3
Q

aerobic?

A
  • involving/requiring oxygen
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4
Q

Anaerobic?

A
  • requiring an absence of Oxygen
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5
Q

what is cellular respiration

A

process which takes energy from food and turns it into ATP

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6
Q

what is the basic unit of life

A

a cell

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7
Q

why does a cell need energy?

A
  • to carry out many metabollic processes
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8
Q

where does the energy for cells come from?

A
  • energy comes from the chemical bonds in molecules
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9
Q

equation for aerobic respiration?

word and number

A

glucose + oxygen -> carbon dioxide + water + energy

C6H12O6 + O2 = CO2 = H2O + ATP

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10
Q

what kind of reaction is aerobic respiration?

exothermic/endothermic

A
  • exothermic
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11
Q

substrate?

A

used in a reaction/reactants

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12
Q

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

A
  • respiratory substrate
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13
Q

where is energy stored

A

in bonds

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14
Q

draw ATP

A
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15
Q

how is energy made?

what bonds break? btwn what?
what catalyses?

A
  • when covalent bonds break btwn the 2 phosphate bonds
  • catalysed by the enxyme ATPase
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16
Q

can an aerobic respiration reaction be reversed?

A

yes

  • use energy from food to ‘recharge’ ATP
17
Q

wheredoes aerobic respiration happen?

A

mitochondria

18
Q

where does anaerobic respiration happen?

A

cytoplasm

19
Q

OILRIG

A

Oxidastion is loss, Reduction is gain

20
Q

hydrogen is on par with what happens to electrons here

what else could happens in Oxidation?

A
  • loses Hydrogen
  • could gain some Oxygen
21
Q

hydrogen is on par with what happens to electrons here

What else could happens in reduction

A
  • gain Hydrogen
  • Could lose some Oxygen
22
Q

where does glycolysis happen?

A

cytoplasm

23
Q

whats the aim of the link reaction

A
  • to take 2 pyruvate in to mitochondria
24
Q

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

A
  • glycolysis
  • link reaction
  • Kreb’s cycle
  • Electron chain reaction
25
Q

which part of the aerobic respiration processes makes ATP

A
  • Electron chain reaction
26
Q

what does glycolysis do?
does it need Oxygen?

A
  • splits the respirstory substrate (glucose) into smaller molecules so it can enter th mitochondria through the link reaction
27
Q

what are the 2 stages of glycolysis called

A
  • phosphorylation
  • oxidation
28
Q

whats happens in phosphorylation?
simple

A
  • energy is used to make adjustments so that the 6-C molecule can be split evenly intotwo 3-C pyruvate molecules
29
Q

whats happens in Oxidation in glycolysis?
Simple

A
  • ATP and nicotinamide-adenine dinucleotide (NADH) are produced
30
Q

products of Glycolysis?

A
  • 2x NADH
  • 2x ATP
  • 2x pyruvate molecules
31
Q

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

A
  • electron transfer chain
32
Q

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

A
  • 2x NADH (goes to ETC)
  • 2x CO2 (waste product)
  • 2x Acetal CoA (coenzyme A) - (goes into the Kreb’s cycle)
33
Q

glycolysis steps + names of molecules:

A
  • 6C sugar -> Phosphorylation -> Glucose 6-phosphate-> lysis-> 2x 3C sugar (Glycerate 3-phosphate -> 2xpyruvate
34
Q

Link reaction steps + names of molecules and use:

A
  • 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

35
Q

Where does Link reaction Happen

A
  • Matrix
36
Q

Glycolysis happens where?

A

Cytoplasm

Biology (25 decks)

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