Lecture 2

Question 1

What is the central dogma?

Answer 1

The one way flow of information form nucleus to ribosomes where RNA is translated into protein.

Question 2

What are the main four structures proteins can take?

Answer 2

Primary, secondary, tertiary and quaternary

Question 3

What is stabilisation?

Answer 3

Protein sequence folded into a certain structure so regions of chain may form bonds

Question 4

What are the type of bonds involved?

Answer 4

Ionic bonding, disulfide bridge, hydrogen bonding, hydrophobic interaction

Question 5

What is hydrolysis?

Answer 5

Water added to break bond

Question 6

What is dehydration?

Answer 6

Removal of water for polymer formation

Question 7

What do enzymes do?

Answer 7

Regulate metabolic pathways - Initiates reaction, speeds up reaction and ensures reaction and end product is always the same

Question 8

How do cells make energy from food?

Answer 8

Using ATP made by the electron transport chain