B1b

Question 1

describe what the following are made up of
carbohydrates
fats
proteins

Answer 1

carbs - simple sugars e.g glucose
fats - fatty acids and glycerol
proteins - amino acids

Question 2

describe how the following are stored in the body
carbohydrates
fats
proteins

Answer 2

carbs - stored in the liver as glycogen or converted to fats
fats - stored under the skin/around organs as adipose tissue
proteins - not stored

Question 3

why is protein deficiency common in developing countries (kwashiorkor)

Answer 3

• overpopulation
• limited investment in argiculture
• often cereals are the only food (e.g rice) which do not contain a lot of protein

Question 4

where can vegetarians get their protein from

Answer 4

another source other than meat or fish such as milk, cheese, tofu, kidney beans etc

Question 5

what could be possible issues with EAR and BMI

Answer 5

• EAR nor BMI take age, pregnancy etc. into account
• BMI muscle more dense than fat so muscular people may seem obese
• do not consider extreme cases