1.1 Introduction to biological molecules

Question 1

name two features of ionic bonding

Answer 1

lose/gain electrons

metal + non-metal

Question 2

name an example of ionic bonding.

Answer 2

e.g sodium chloride

metal + non metal

Question 3

name 4 features of covalent bonding.

Answer 3

sharing of electrons.
non-metals
small molecules
giant lattice

Question 4

list 3 examples of covalent bonding.

Answer 4

oxygen
water
nitrogen

Question 5

when do hydrogen bonding occur?

Answer 5

between polar molecules

Question 6

What are monosaccharides?

Answer 6

monomers from which larger carbohydrates are made

Question 7

what are monomers?

Answer 7

the building blocks of polymers

Question 8

list 3 examples of monomers?

Answer 8

amino acids
nucleotides
fatty acids

Question 9

what are polymers?

Answer 9

a long chain of monomers / repeating units

Question 10

How are polymers formed from monomers?

Answer 10

through a condensation reaction

Question 11

sucrose is a disaccharide containing what monomers?

Answer 11

glucose and fructose

Question 12

What is hydrolysis?

Answer 12

addition of water that causes breakdown.

Question 13

What is condensation?

Answer 13

Removal of water that causes bonds to form

Question 14

What is metabolism?

Answer 14

All the chemical processes that take place in living organisms

Question 15

What is a molar solution?

Answer 15

a solution that contains one mole of solute