Biological molecules Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q
The Chemical elements for : 
Carbohydrates
lipids
Proteins
Nucleic acids
A

C, H and O for carbohydrates

C, H and O for lipids

C, H, O, N and S for proteins

C, H, O, N and P for nucleic acids

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

what simple sugars make up:
Sucrose
Maltose
Lactose

A

sucrose - Glucose + fructose
Maltose- Glucose + Glucose
Lactose- Galactose + Glucose

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

what’s an isomer ?

A

2 or more compounds with the same formula but a different arrangement of the atoms in the molecule and different properties

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

Define Glyosidic bond

A

when 2 monosaccharides join together via a covalent bond through condensation

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

General formula of carbohydrates

A

Cn(H2O)n - for every carbon and oxygen there is 2 hydrogen atoms

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

what 2 polysaccharides make up starch

A

amylose and amylopectin

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

Bonds in amylose and amylopectin

A

Amylose- 1,4

Amylopectin- 1,4 and 1,6

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

Structure of amylose and amlopectin

A

Amylose- A long chain of alpha-glucose molecules joined by 1-4 glyosidic bonds, which coils into a helix shape
Amylopectin- Amylose just joined with many branches o amylose, these branches are a 1,6 glyosidic bond.

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

Where is Glycogen found ?

A

Found in animals in cells with high metabolic rate eg : Liver cells and Muscle cells

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

what is a macromolecule ?

A

A very large molecule, contains over 1000 or more atoms, hence a high molecular mass.

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

What’s the name of the covalent bond in :
Lipids
carbohydrates
Proteins

A

Lipids- Esters
Carbohydrates- Glyosidic
Proteins- Peptides

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