organisation Flashcards

1
Q

What is a tissue

A

one type of cell carrying out one function

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2
Q

What is an organ

A

made of different tissues carrying out joint function

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3
Q

What is an organ system

A

group of organs carrying out a function

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4
Q

What does mouth do

A

mechanical break down

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5
Q

what does the salivary glands do

A

produce amylase

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6
Q

what does liver do

A

produce bile

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7
Q

what does gall bladder do

A

stores bile

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8
Q

what does small intestine do

A

moves glucose and ions into blood

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9
Q

what does stomach do

A

churns food, HCL kills bacteria, creates environment for protease to work

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10
Q

what does pancreas do

A

produces enzymes

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11
Q

what does large intestine do

A

removes excess water

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12
Q

Lipase breaks down ___ into ___

A

fats into fatty acids and glycerol

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13
Q

Lipase made in…

A

pancreas and small intestine

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14
Q

Lipase works in…

A

Small intestine

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15
Q

Protease breaks down ___ into ___

A

proteins into amino acids

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16
Q

Protease made in…

A

Stomach, small intestine and pancreas

17
Q

Protease works in…

A

stomach and small intestine

18
Q

Amylase breaks down ___ into ___

A

starch into sugars

19
Q

Amylase made in…

A

Pancreas, salivary glands and small intestine

20
Q

Amylase works in…

A

Mouth and small intestine

21
Q

How pH affects enzymes

A

Too high or too low bonds not in place in active site so enzyme denatures

22
Q

Optimum pH for enzymes

A

7

23
Q

Optimum temperature for enzymes

A

37

24
Q

what happens to enzymes when temp too high or too low

A

too low - don’t work/nothing

too high- denatures

25
Q

What is lock and key mechanism

A

when substrate fits into active site of enzyme

26
Q

Describe how enzyme works in a chemical reaction

A

Active site specific for substrate
bond two substrates together
break substrates down
enzyme not used up or altered.