Metabolism Flashcards

1
Q

Metabolism is

A

The sum of the chemical changes that convert
- nutrient into energy
- complex substances to simpler forms
- simple to complex

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2
Q

Normal metabolism is vital for

A
  • health
  • growth
  • reproduction
  • survival
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3
Q

Metabolic pathways

A

Linked series of chemical reactions within a cell

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4
Q

Anabolism

A
  • Small to big
  • Use energy
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5
Q

Catabolism

A
  • Big to small
  • release energy
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6
Q

ATP

A
  • renewable energy resources
  • unstable bonds
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7
Q

Food

A
  • long term energy storage
  • stable bonds
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8
Q

CHO/Fats/Proteins

A

Contain a lot of stored chemical energy

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9
Q

ATP

A

Energy is stored during the breakdown of food us used to manufacture a chemical which is stored un muscle cells

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10
Q

Mechanical work

A

Cells use the energy released frin the breakdown of ATP to perform work

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11
Q

ATP stands for

A

Adenosine Tri Phosphate

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12
Q

Energy currency

A

ATP

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13
Q

What is ATP

A
  • nucleotide
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14
Q

ATP Adenosine structure

A

A carbon nitrogen base

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15
Q

ATP Ribose structure

A

5 carbon sugar

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16
Q

ATP Phosphates structure

A

3 phosphates linked together by a chemical bond

17
Q

ATP energy release

A

1 p is removed - diphosphate (ADP)
2 p is removed - monosphosphate (AMP)

18
Q

Hydrolysis

A

Substance is split into simpler compounds by the addition of water

19
Q

ATP Production

A

ADP + Pi –> ATP

20
Q

ATP Synthesis

A

ADP + P + energy —-> ATP

21
Q

What is adding phosphate called

A

Phosphorylation

22
Q

What is a coupled reaction in relation to ATP

A

Energy releasing and requiring

23
Q

Where is ATP stored

A

Muscle cell

24
Q

Why is ATP limited

A
  • it lasts 3-5 seconds
  • must be constantly and rapidly replaced