proteins 2.4

Question 1

what are proteins the main component of

Answer 1

animal tissue

Question 2

how are proteins formed

Answer 2

by the condensation reaction of many amino acids

Question 3

what are enzymes

Answer 3

proteins which act as biological catalysts

Question 4

the two functional groups of amino acids

Answer 4

amine and carboxyl

Question 5

amine

Answer 5

NH2

Question 6

carboxyl

Answer 6

COOH

Question 7

what happens in the condensation reaction

Answer 7

the amine group of one amino acid and the carboxyl group of another amino acid join with the elimination of water

Question 8

what does the amine group and the carboxyl group form

Answer 8

a peptide or amide link

Question 9

what are essential amino acids

Answer 9

amino acids that can’t be produced in the body and they must be taken through out diet

Question 10

what can the long chain molecules in proteins form

Answer 10

spirals, sheets and other complex shapes that are held together by intermolecular bonding

Question 11

what happens the the intermolecular bonds when cooking food with protein

Answer 11

the bonds break, the protein changes shape and becomes denatured and the texture of the food changes