Brainscape's Knowledge GenomeTM

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


See full index

Biology > Food > Flashcards

Food Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

What is the chemical formula for lipids?

A

CHO (no ratio)

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

Name a structural role of lipids.

A

Cell Membranes

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

Name a Metabolic role of lipids

A

Energy Source

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

What is the difference between fats and oils?

A

Fats are solid at room temperature.
Oils are liquid at room temperature.

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

What is the test for lipids?

A

Brown paper (translucent spot)

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

What is the structure of lipids?

A

Triglyceride (made up of glycerol and 3 fatty acids)

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

What is the structure of phospholipids (found in cell membranes)

A

Glycerol, 2 fatty acids and 1 phosphate

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

What chemicals make up proteins?

A

C, H, O, N, S

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

Describe the physical appearance of proteins (give examples)

A

Globular (egg whites, enzymes)
Fibrous (Keratin (hair, nails))

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

As proteins cannot be stored, in what part of the digestive system are they broken down in?

A

The Liver

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

What is the structure of proteins?

A

Made up of peptides (small chains)
polypeptides (long chains)
20 (+) amino acids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the test for proteins?

A

Biurets solution (blue-purple)

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

What is the metabolic role of proteins?

A

Enzymes

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

What is the structural role of proteins?

A

Keratin

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

What is the function of water?

A

Transport, split in photosynthesis, component of cell (shape), good absorber of heat from chemical reactions)

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

How much water makes up human mass?

A

60%

17
Q

How much water makes up cell mass?

A

90%

18
Q

Name two trace elements

A

Cobalt and zinc

19
Q

Are trace elements required in large or small amounts?

A

Small amounts

20
Q

Name two other trace elements found in dissolved salts.

A

Sodium and potassium

21
Q

What are the two types of vitamins?

A

Water soluble and Fat soluble

22
Q

Give an example of a fat soluble vitamin.

A

Vitamin D (prevents rickets in children)

23
Q

Give an example of a water soluble vitamin.

A

Vitamin C (prevents scurvy)

24
Q

Name two minerals found in plants.

A

Calcium (cell walls)
Magnesium (chlorophyll component)

25
Q

Name two minerals found in animals.

A

Iron (part of haemoglobin, prevents anaemia)
Calcium (strong bones, teeth)

26
Q

Name one function of carbohydrates

A

Energy

27
Q

What are the three structures of carbohydrates?

A

Monosaccharide (1 sugar unit) - eg. glucose
Disaccharide (2 sugar units) - eg. sucrose
Polysaccharide (chain of sugar units) - eg. glycogen (animals)
cellulose (plants (cell wall))
starch (plants (storage))

28
Q

What is the chemical formula of carbohydrates?

A

C6(H20)6

29
Q

What is the ratio of hydrogen to oxygen in carbohydrates?

A

2H:1O

30
Q

What is the test for glucose?

A

Benedicts solution (blue-red)

31
Q

What are biomolecules?

A

Made in living things (CHO, protein)

32
Q
A

Biology (8 decks)

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