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Biology > Enzymes > Flashcards

Enzymes Flashcards

0
Q

What do enzymes do

A

Speed up the chemical reaction

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1
Q

What are enzymes also called

A

Catalyst

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2
Q

Are enzymes biological catalysts

A

Yes

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3
Q

Does every enzyme have a specifics shape that fits onto the substrate involved in the reaction

A

Yes

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4
Q

How many reactions can enzymes catalyse

A

One

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5
Q

What happens if the enzymes gets too hot

A

The enzymes denature meaning the bond holding the enzyme together breaks causing the enzymes special shape to be destroyed meaning it cannot work anymore

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6
Q

What happens when the ph is added

A

It can change the rate of reaction

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7
Q

What happens if the ph is too high

A

It also affects the bonds in the enzymes this changes the shape and denatures the enzyme.

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8
Q

What acid does the stomach produce

A

Hydrochloride acid

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9
Q

What conditions do enzymes work best in

A

Acidic conditions

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10
Q

What do food does amylase break down

A

Starch

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11
Q

What food does protease break down

A

Protein

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12
Q

What food does lipase break down

A

Fats

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13
Q

What does amylase break starch into

A

Sugars

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14
Q

What does protease break protein into

A

Amino acid

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15
Q

What does lipase break fats into

A

Fatty acids and glycerol

16
Q

Where is bile produced

A

Stomach

17
Q

Where is bile stored before it’s released into small intestines

A

Gall bladder

18
Q

What condition do the enzymes work best at in the small intestines

A

Alkaline conditions

19
Q

What is respiration

A

The release of energy from the breakdown of glucose

20
Q

Does respiration go on in every cell

A

Yes

21
Q

What is aerobic respiration

A

Respiration using oxygen

22
Q

Does aerobic respiration go on in plays and animals

A

Yes all the time

23
Q

Where does most aerobic respiration happen

A

Mitochondria

24
Q

What is the equation for respiration

A

Oxygen + glucose = carbon dioxide + water + energy

25
Q

What is the energy from respiration used for 4 points

A
  • to build up larger molecules from smaller ones
  • in animals to allow muscles to contract
  • in mammals and birds the energy is used to keep their body temperature steady
  • in plants to build sugars, nitrates and other nutrients into amino acid s, amino acids are then built up into protein
26
Q

What does exercise do

A

Increases the heart rate

27
Q

What d your muscles use to release energy and what is done with this energy

A

Used to release oxygen and the energy is used to contract your muscles

28
Q

What happens when you excrcise

A

Need more oxygen and glucose
Extra carbon dioxide needs to be removed
For these things to happen the blood must flow faster

29
Q

What do your muscles store glucose as

A

Glycogen

30
Q

What happens when you excercise hard

A

Muscles use glucose quickly

31
Q

What is anaerobic respiration

A

Respiration without oxygen

Biology (12 decks)

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