Science: Biology Flashcards

1
Q

Enzymes are c________

A

Catalysts (catalysts speed up things)

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2
Q

What do enzymes do in your body

A

Speed up chemical processes

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3
Q

What would happen if enzymes did not exsist in your body

A

The chemical processes would take so long that you would die

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4
Q

What are the different nutrients (that we need to know)

A
Carbohydrates
Protiens
Vitamins and minerals
Fat and oils (lipids)
Fibre
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5
Q

Why do you need carbs?

A

For energy

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6
Q

Why do you need protien?

A

For growth and help repair the body.

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7
Q

Why do you need Fibres?

A

For easy passage of waste and digestion

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8
Q

Why do we need lipids?

A

To store energy

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9
Q

Why do you need vitamins and minerals?

A

For good health

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10
Q

What does water help with

A

Bodily chemical reactions

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11
Q

What is the difference between vitamins and minerals

A

Vitamins are organic substances (e.g: vitamin A) and minerals are inorganic substances (e.g: calcium)

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12
Q

Is the drug, Methadrone, legal in the UK?

A

No (not for personal use), only legal when perscribed by doctor

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13
Q

Are tranqualisers legal in the UK?

A

Yes, they are legal

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14
Q

What are deppresants/downers

A

Drugs that slow reaction and functionabilty in the body

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15
Q

What are Stimulants/Uppers

A

Drugs that increase reaction in the body and make you feel energetic

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16
Q

What are painkillers?

A

Drugs that make you feel a rush of pleasure and make you feel drowsy and dreamy.

17
Q

What are hallucinogens?

A

Drugs that make you feel detached and make visions and hallucinations appear.

18
Q

What is the optimum temperature for enzymes?

A

Roughly 37°C

19
Q

What happens to enzymes when they overheat?

A

They become denatured

20
Q

What is 0 Kelvin to Celsius

A

0 Kelvin = -273 Celsius

21
Q

What is 0°C to Kelvin?

A

0 Celsius = 273 Kelvin