Biogical Molecules

Question 1

Inorganic ions term

Answer 1

Ion or molecule that has no more than one carbon atom

Question 2

Organic molecules term

Answer 2

Molecules that have high proportion of carbon and hydrogen atoms

Question 3

Inorganic ions

Answer 3

Mg magnesium
Fe iron
PO34 phosphate
Ca calcium

Question 4

What is magnesium used for

Answer 4

Constituent of chlorophyll

Question 5

What is iron used for

Answer 5

Constituent of haemoglobin

Question 6

What is phosphate used for

Answer 6

Making nucleotides
Including atp dna rna
Component of phospholipid

Question 7

Function of calcium

Answer 7

Hardens bones and teeth

Question 8

Water

Answer 8

It is a polar molecule
Oxygen end has negative charge
Hydrogen atoms have positive charge
Uneven distribution of charge is called a dipole

Question 9

When two water molecules are close in contact the opposing charges attract each other and form ?

Answer 9

Hydrogen bond

Question 10

Individual hydrogen bonds are …

Answer 10

Weak

Question 11

Many hydrogen bonds are …

Answer 11

Form a lattice like framework which is much stronger this attraction is called cohesion

Question 12

Term dipole

Answer 12

Polar molecule which has positive and negative charge separated by very small distance

Question 13

What are the properties of water

Answer 13

Solvent
Cohesion
High specific heat capacity
High specific latent heat of vapourisation
Metabolite
Density