introduction Flashcards
how many days can you last without any form of water?
3 days
how long can you last without food?
3-6 weeks
all depends on body types
how many essential amino acids?
20 essential amino acids
It’s recommended to stay away from supplements but what supplement is recommended to the British?
vitamin D
what does protein do in the body?
secondary source of energy
synthesis filamentous proteins in order to contract muscles
transport (ATP)
used for storage (ferritin)
which has all essential amino acids
plant or animal?
animal contains all 20 essential amino acid in any source
which essential amino acids are most lacking in plant sources?
lysine & methionine
is fat hydrophobic or hydrophilic
hydrophobic
repels water
which vitamins need to be in a lipid fat source to be absorbed
vitamin A/E
which fat is worse for your health
saturated or unsaturated?
saturated is worse for your health
if the fat is harder at room temp is it saturated or unsaturated?
saturated fats are harder at room temp
what fat is liquid at room temp?
unsaturated fat is liquid at room temp
is glucose a hexose or pentose
hexose
6 ring carbon
name hexose carb
glucose, lactose and fructose
what can be synthesised from glucose
RNA/DNA
what is the conversion from kJ to Kcal?
1 kJ = 0.239 Kcal
what is the conversion from Kcal to kJ
1Kcal = 4.184 kJ
how much kJ in fat?
37 kJ
how much kJ in protein?
17 kJ
how much kJ in carbohydrates?
16 kJ
how much kJ in alcohol?
29 kJ
simple definition of vitamins function
they have specific biochemical functions in the body
simple definition of trace elements/ mineral function
they have specific physiological function in the body
can the body make minerals or does it need to come from the diet
needs to come from the diet
required in mg/d