List two sources of protein, one for a vegetarian and one for a non-vegetarian diet.

1. Vegetarian diet

2. Non-vegetarian diet

State one enzyme responsible for the digestion of protein from the mouth to the small intestine.

Describe the possible harmful effects of excessive protein intake on an Olympic weightlifter.

Explain the benefits of the use of creatine as a nutritional ergogenic aid in sport.

Vegetarian sources of protein
pulses/beans
lentils
nuts
quorn
oats/wheat
tofu
rice
eggs
cheese
milk/yoghurt

Non-vegetarian sources of protein
red meat
poultry
fish
eggs

Award [1 max] for vegetarian and [1 max] for non-vegetarian.

Only accept eggs once.

pepsin ✔

trypsin ✔

Accept protease as general term.

loss of renal/kidney function due to increased excretion of nitrogen through urine ✔

increase kidney damage by placing greater demand to excrete the unused excess protein ✔

increased secretion of calcium which can lead to an increased risk of osteoporosis ✔

increased risk of cancers such as prostate or bowel cancer ✔

increased body weight/extra fat/risk of CHD due to increase in saturated fat typically found in some protein sources ✔

may cause dehydration due to the requirement of water to aid protein synthesis or to dilute protein and convert into urea ✔

increases/improves PCr in muscle ✔

improves peak power/performance during intense exercise ✔

improves strength ✔

possibly stimulates protein synthesis ✔

Generally answered well.

Generally answered well.

Generally answered well.

Generally answered well for two marks though most struggled to get three.