Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology GCSE > Food and Nutrition > Flashcards

Food and Nutrition Flashcards

You may prefer our related Brainscape-certified flashcards:
GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards AP® Biology flashcards GCSE Geography - AQA flashcards Biology 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
0
Q

Chemical elements in carbohydrates

A

Carbon
Hydrogen
Oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Carbohydrates are needed for

A

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Chemical elements in lipids

A

Carbon
Hydrogen
Oxygen
Just like carbohydrates but much less oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Diagram of a carbohydrate

A

Glucose is a pentagon
Starch is lots of pentagons in a line
•-•-•-•-•-•-•-•-•-•-•

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Lipids are needed for

A

Insulation
Protection of organs
Long term energy store

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Diagrams of lipids

A

Rectangle with 3 zigzags coming from the right
|||||/\/\/\/\/\/
|||||/\/\/\/\/\/
|||||/\/\/\/\/\/

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Food sources of lipids

A

Chocolate
Butter
Cream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Proteins are needed for (2)

A

Growth and repair

Enzymes are proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Chemical elements in proteins

A 
As usual:
•Carbon
•Hydrogen
•Oxygen
But also:
•Nitrate
•Sulphate
•Phosphorus

CHONSP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or false:

Enzymes are made of protein

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Good food sources of protiens

A

Eggs
Fish
Meat
Milk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Diagram of protiens

A 
Amino acids in a chain
Amino acids are lots of different shapes
Pentagon
Triangle
Circle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Proteins are made up of:

A

Amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What do you use to test for sugar

A

Benedicts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What do you use to test for starch

A

Iodine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What do you use to test for protein

A

Biuret

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What do you use to test for lipids

A

Ethanol

+ water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Positive and negative test for:

Sugar

A

Colour changes from: Blue to Green to Yellow to Orange to Brick red
Positive: Brick red or orange
Negative: Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Positive and negative test for:

Starch

A

Positive: Blue/Black
Negative: Stays Orange/Brown

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Positive and negative test for:

Protein

A

Positive: Lilac
Negative: Pale Blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Test details for sugar:

A

Put glucose solution into test tube
Add a few drops of Benedict’s
Put test tube into boiling water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Positive and negative test for:

Lipids

A

Positive: Cloudy
Negative: Clear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Test details for starch:

A

Add a few drops of iodine to starch solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Test details for lipids:

A
  • Add 2cm cubed of ethanol to some cooking oil
  • Shake test tube
  • Add 2cm cubed of water
  • Shake again
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Test details for protein:

A

Add a few drops of Biuret B followed by a few drops of Biuret A to protein solution

25
Q

What is starch a polymer of

A

Long chain of glucose

27
Q

What is starch a polymer of

A

Glucose

27
Q

What is glycogen a polymer of

A

Glucose

28
Q

Name 7 components needed for a balanced diet

A 
Carbohydrates---Can
Lipids---Luke
Proteins---Puke
Minerals---Much
Vitamins---Vomit
Water---Without
Fibre---Fail
29
Q

What are the 2 building blocks of lipids

A

Fatty acids

Glycerol

30
Q

What is an essential amino acid

A

An amino acid which is needed to make protein that we need to have from our diet

31
Q

Which food type contain starch

A

Carbohydrates

32
Q

If you rub fat on a piece of paper then it will go ____________

A

Translucent

33
Q

Where is cholesterol made

A

The liver

34
Q

What is fibre

A

Undigestible plant material

35
Q

Why do we need minerals

A

Help release energy from food

36
Q

We need fibre because:

A

It helps digestion

37
Q

Why do we need vitamins

A

To help us concentrate

Staying calm making quick decisions

38
Q

Why can’t humans digest cellulose

A

Our gut doesn’t create the correct enzyme

39
Q

Foods which contain vitamin A

A

Carrots

40
Q

Foods which contain iron:

A

Fish
Red meat
Broccoli

41
Q

Foods that contain vitamin C

A

Oranges
Lemons
Lime

42
Q

Foods which contain calcium:

A

Milk
Yoghurt
Cheese

43
Q

Deficiency disease:

Calcium

A

Rickets

44
Q

Foods which contain vitamin D

A

Eggs

45
Q

Deficiency disease:

Vitamin A

A

Night blindness

46
Q

Deficiency disease:

Vitamin C

A

Scurvy

47
Q

Importance of:

Iron

A

Makes haemoglobin for healthy blood

Prevents anemia

48
Q

Deficiency disease:

Vitamin D

A

Rickets

49
Q

Symptoms of Rickets:

A

Bone deformity

50
Q

Symptoms for night blindness

A

Vitamin is needed to make a light sensitive chemical in the retina
Poor vision in dim light

51
Q

Symptoms of Anemia:

A 
Can't make haemoglobin for red blood cells
Tired, lack of energy
Blood can't carry enough oxygen
Weakness
Pale skin
Shortness of breath
Dizziness
52
Q

Symptoms of scurvy

A

Wounds can’t heal and bleeding occurs especially around gums

53
Q

What does obese mean

A

Clinically overweight

54
Q

Energy requirements depend on

A

Age
Gender
Body size
Occupation

55
Q

How to find the energy in food

A

It takes 4.2J of energy to increase the temperature of 1 gram of water by 1°C

Therefore energy =

Mass of + temperature change x 4.2
water

57
Q

Energy in food calculation

A

Energy in food (J) = mass of water (g) x temperature change of water (degrees C) x 4.2

58
Q

What is a polymer

A

A substance which has molecular structure built up from a large number of similar units bonded together

59
Q

Carbohydrates are made up of starch (which is made up of __________ and glycogen (which is made up of ____________)

A

Maltose

Glucose

60
Q

Importance of calcium:

A

Makes bones and teeth

61
Q

Importance of Vitamin D

A

Needed for calcium absorption

Biology GCSE (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions