B2.1.5 - Bacteria and Enzymes in Digestion Flashcards Preview

SHHS - Science - B2.1 Health and Lifestyle - Year 8 > B2.1.5 - Bacteria and Enzymes in Digestion > Flashcards

Flashcards in B2.1.5 - Bacteria and Enzymes in Digestion Deck (21)
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1

Where in the digestive system are bacteria found?

Large intestine

2

Why are the bacteria in your digestive system important?

They make important vitamins such as vitamin K

3

Food that contain 'good bacteria' are called...

probiotics

4

Digestive juices contain special protein molecules called...

enzymes

5

What is the definition of a digestive enzyme?

A biological catalyst that speeds up digestion without being used up.

6

Enzymes always end in which letters?

'-ase'

7

How do enzymes speed up digestion?

They break down large molecules into small molecules.

8

Which enzyme breaks down carbohydrates?

Carbohydrase

9

Which enzyme breaks down protein?

Protease

10

Which enzyme breaks down lipids?

Lipase

11

Carbohydrates are broken down by carbohydrase into...

sugars

12

Proteins are broken down by protease into...

amino acids

13

Lipids are broken down by lipase into...

glycerol + fatty acids

14

Which type of nutrient is starch and which enzyme will break it down?

Starch is a carbohydrate so carbohydrase.

15

Starch is found in...

bread

16

Where in the digestive system are carbohydrates broken down by carbohydrase?

Mouth
Small intestine

17

Where in the digestive system are proteins broken down by protease?

Stomach
Small intestine

18

Where in the digestive system are lipids broken down by lipase?

Small intestine

19

What else helps lipase to digest lipids?

Bile

20

Where is bile produced?

In the liver

21

How does bile help lipase to digest lipids?

It break lipids into small droplets that are easier for lipase enzymes to work on.