Help sheet

Question 1

Positive and negative Nitrogen Balance

Answer 1

-indicator of protein metabolism in body
-Positive- more retained in body than lost
-nitrogen being kept in body- help make protein
-eg rapid growth

Negative
-more lost than retained
-protein being used up- tissue injury, bleedibg

Question 2

Protein Function

Answer 2

GREEN
BANANAS
AREN’T
EXACTLY
EDIBLE
TILL
HOLLIE
SEES
HAPPINESS

Question 3

Fat Functions

Answer 3

EVEN
FATTY
EGGS
FOCUS
PURELY
SEEING
PROTEIN

Answer 4

Fat-35%- produce more LDL
Saturated-11% out of 35% total- increase total and LDL
Poly:
Omega 3- shouldn’t increase from current level- lowers both cholesterol- eg oily fish,
Omega 6- increased to 0.2g from 0.1g- lowers LDL by no effect on HDL- eg PUFA marg, soya oils
Mono- no more than 13%- reduces LDL-eg olive oil, rapeseed oil

Trans- no more than 2%- increase LDL, reduce HDL- H on opposite side of dbl bond- artificially hardened- hydrogenation
CIS- H on same side of dbl bond