Unit 1 Topic 4 - Proteins And Enzymes Flashcards

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1
Q

What do structural proteins do?

A

Provide strength and support to cell structures

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2
Q

Give examples of structural proteins

A

• Keratin (hair)
• Myosin (muscle fiber)

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3
Q

What are enzymes?

A

Biological catalysts that speed up a chemical reaction

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4
Q

Give examples of enzymes

A

• catalase
• amylase

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5
Q

What are hormones?

A

Chemical messengers that are transported in the blood stream

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6
Q

Give examples of hormones

A

• Adrenaline
• Testosterone
• Insulin
• Oestrogen

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7
Q

What do lymphocytes produce?

A

Antibodies

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8
Q

What is the function if an antibody?

A

To defend the body against pathogens

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9
Q

Give an example of an antibody

A

Immunoglobulins

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10
Q

What is the function of a receptor?

A

Allows cells to recognise specific substances

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11
Q

What is a substrate?

A

The substance that an enzyme acts on

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12
Q

A product is…

A

The substance made after a reaction between the enzyme and its substrate

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13
Q

What are the limiting factors of enzyme activity?

A

• temperature
• PH

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14
Q

What types of reactions are enzymes involved in?

A

• degradation reactions
• synthesis

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