Molecular building blocks

Question 1

What are living organisms?

Answer 1

One or more cells
Capable of reproduction
Responding to environment
Adapting and changing
Require a source of energy
Growth and development

Question 2

What are macromolecules?

Answer 2

Large biologically important molecules inside cells
Have osmotic, structural, optical, enzymatic and other complex functions
Structures are very heterogenous

Question 3

What are some examples of macromolecules?

Answer 3

Haemoglobin
DNA
glycogen
collagen

Question 4

What are some of the unique properties of water?

Answer 4

Universal solvent
Polarity
Hydrogen bonding

Question 5

Are hydrogen bonds weak or strong?

Answer 5

Weak individually but have collective strength

Question 6

What doesn’t water interact with?

Answer 6

Non-polar substances
Lipids
Aromatic groups
Hydrophobic compounds

Question 7

What is the polymer of monosaccharide?

Answer 7

Polysaccharide

Question 8

What is the polymer of nucleotide

Answer 8

nucleic acid

Question 9

what is the polymer of amino acids

Answer 9

protein-amino acids joined by peptide bonds

Question 10

What are the 4 main types of carbohydrates?

Answer 10

Monosaccharides
Disaccharides
Oligosaccharides
Polysaccharides

Question 11

What are nucleotides made up of

Answer 11

Nitrogenous base+sugar+phosphate