Protein

Question 1

what are the elements of protein?

Answer 1

carbon, hydrogen, oxygen and nitrogen (chon)

Question 2

why is nitrogen an important element in protein?

Answer 2

because nitrogen is needed for the growth and repair of the body. protein is the only nutrient that contains nitrogen

Question 3

what happens to amino acid chains during digestion?

Answer 3

during digestion, enzymes break the peptide links.

Question 3

what is protein made up of?

Answer 3

chains of smaller units called amino acids joined by peptide links. amino acids contain chon

Question 4

what is an enzyme?

Answer 4

an enzyme is a substance that helps a chemical reaction

Question 5

how many essential amino acids are there?

Answer 5

there are 10 essential amino acids

Question 6

what type of nutrient is protein?

Answer 6

protein is a macronutrient

Question 7

what is high biological value (hbv) protein?

Answer 7

hbv protein is protein that contains all or most of the essential amino acids. it only comes from animal sources (apart from soya beans) e.g. meat, fish, eggs

Question 8

what is lower biological value (lbv) protein?

Answer 8

lbv protein is protein that contains less of the essential amino acids. all lbv proteins come from plant sources e.g. nuts, cereals, lentils

Question 9

what is the function of protein?

Answer 9

the main function of protein is for growth and repair of the cells, but is also needed for hormones, enzymes and antibodies

Question 10

what are some of the deficiency diseases of protein?

Answer 10

protein deficiency diseases include poor or stunted growth, slow healing of wounds, hair breakage or loss and hormone and enzyme imbalance