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Combined biology > Food tests > Flashcards

Food tests Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Explain what role vitamins and minerals play in the body 🌳🥛🧂

A

Maintain health ❤️

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2
Q

Which food groups give energy? ⚡️

A

Carbohydrates and fats

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3
Q

Which food group:
- prevents constipation
- growth and repair

A

Fibre
Protein

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4
Q

What foods can u find minerals in?

A

Salt and milk

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5
Q

Which enzyme are carbohydrates broken down by?

A

Amylase

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6
Q

What is the substrate for amylase

A

Glucose and starch

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7
Q

What are the products of Amylase and starch/glucose?

A

Sugar

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8
Q

What colour does iodine turn to when starch is present?

What colour does Benedict’s test turn when sugar is present?

A

Orange -> blue/black

Blue -> green, orange, brick red

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9
Q

Which organs produce amylase and where does it act?

A

Salivary glands
Small intestine
Pancreas

Small intestine
Salivary glands

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10
Q

What PH is

Amylase
Protease
Lipase

A

7
2
10

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11
Q

What enzyme breaks down proteins?

A

Protease

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12
Q

What products comes from the protease enzyme and proteins

A

Amino acids

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13
Q

What colour does biurets solution turn when protein is present?

A

Blue -> purple

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14
Q

Where is protease produced and where does it act?

A

Stomach
Small intestine
Pancreas

Stomach
Small intestine

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15
Q

What is the enzyme for lipids?

A

Lipase

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16
Q

What are the products of lipase and lipids?

A

Fatty acids
Glucose

17
Q

What colour does ethanol turn when lipids are present

A

Clear -> cloudy

18
Q

Where is lipase produced and where does it act?

A

Small intestine
Pancreas

Small intestine

19
Q

Enzymes are catalysts

What does this mean

A

Speed up chemical reactions without being used up in the process

20
Q

They help break down _____/__________ molecules into _____/________ ones

Substrate has a _____________ shape so it can fit in the enzymes active site. Different enzymes are needed to break down different __________

A

Large insoluable
Small insoluable

Complementary
Substrates

21
Q

What factors affect enzymes?

What is it called when an an enzymes active site is changed so the substrate can no longer fit?

A

Temp + ph

Denatured

22
Q

Describe why bile is important for chemical reactions within the small intestine

💜⚪️🫓

A
  • makes conditions alkaline
  • Neutralises stomach acids
  • emulsifies fats

Combined biology (1 decks)

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