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4th year Biology > Proteins and enzymes > Flashcards

Proteins and enzymes Flashcards

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1
Q

What are examples of protein.

A

Antibodies, enzymes and hormones.

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2
Q

What do ANTIBODIES do?

A

Help to fight infections in the body and defend it from invadars.

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3
Q

What do ENZYMES do?

A

Digest your food and make the proteins in our body.

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4
Q

What do HORMONES do?

A

Send messages around your body.

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5
Q

What is an example of: STRUCTURAL PROTEIN?

A

Keratin in hair and nails.

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6
Q

What is an example of: GLOBULAR PROTEIN?

A

Enzymes and hormones.

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7
Q

What do SYNTHESIS ENZYMES do?

A

Join small moleclues together to make larger molecules.

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8
Q

What do DEGRADATION ENZYMES do?

A

Break down big moleclues into smaller molecules.

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9
Q

Antibodies, enzymes and hormones are all examples of…?

A

Protein.

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10
Q

What: Help to fight infections in the body and defend it from invadars?

A

Antibodies.

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11
Q

What: Digest your food and make the proteins in our body?

A

Enzymes.

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12
Q

What: Send messages around your body?

A

Hormones.

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13
Q

What enzymes: Join small moleclues together to make larger molecules?

A

Synthesis enzymes.

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14
Q

What emzymes: Break down big moleclues into smaller molecules?

A

Degradation enzymes.

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15
Q

What is: the substance an emzyme works on?

A

Substrate.

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16
Q

What is: the substance made during the reaction?

A

A product.

17
Q

Explain how an enzyme works.

A

An enzyme has a groove on it called an active site. This is when the substrate joins on. Only the enzymes own substrate(s) has the right shape to fit the active site.

18
Q

Enzymes are…?

A

Specific.

19
Q

What substrate can AMYLASE break down? (only)

A

Starch

20
Q

What substrate can PEPSIN break down? (only)

A

Protein

21
Q

What substrate can LIPASE break down? (only)

A

Fat

22
Q

How can an emzyme become denatured?

A

By high temperature and some chemicals.

23
Q

What does denatured do to the enzyme?

A

It changes shape and is no longer specific.

24
Q

What is a: SUBSTRATE?

A

The substance an emzyme works on

25
Q

What is a: PRODUCT

A

The substance made during the reaction.

26
Q

If the temperature of an emzyme further increased after being at the optimum temperature what will happen to activity?

A

Activity will start to decrease.

27
Q

What happens to enzymes at low temperatures.

A

It is inactive.

28
Q

Biological detergents (bio) contain enzymes made by…?

A

Bacteria

29
Q

In bio detergents what do the enzymes do?

A

They digest the food stains at a low temperature.

30
Q

What is a disadvantage of ‘bio’ detergents?

A

Some people can have allergic reactions to them and get rashed or ezcema. (these people use ‘non-bio’)

4th year Biology (21 decks)

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