Teaching Block 2 : biochemical, intro to proteins

Question 1

what are the three substances found in living tissues?

Answer 1

water
macromolecules
ions and small molecules

Question 2

what are macromolecules split into?

Answer 2

proteins
lipids
nucleic acid
carbohydrates

Question 3

what are proteins?

Answer 3

heteropolymers of amino acids
they are long-chain polymers made up of the condensation of smaller building blocks monomers.

Question 4

enzymes function

Answer 4

catalyze biochemical reactions

Question 5

structural proteins

Answer 5

provide physical stability and movement

Question 6

defensive proteins

Answer 6

recognise and respond to non-self substances, eg, antibodies

Question 7

signalling proteins

Answer 7

control physiological processes e.g. hormones

Question 8

receptor proteins

Answer 8

receive and respond to chemical signals

Question 9

membrane transporters

Answer 9

regulate passage of substances across cellular membranes

Question 10

storage protein

Answer 10

stores amino acid for later use

Question 11

transport protein

Answer 11

bind and carry substances within the organism

Question 12

gene regulatory protein

Answer 12

determine the rate of expression of a gene