Respiration metabolism Flashcards
1
Q
What is metabolism?
A
the sum of all the reactions in a cell or the body
2
Q
what is catabolism?
A
respiration
breakdown of excess proteins to form urea for excretion
digestion
3
Q
What is anabolism?
A
conversion of glucose to starch, glycogen and celluse
the formation of lipid molecules from a molecule of glycerol and three molecules of fatty acids
the use of glucose and nitrate ions to form amino acids which in turn are used to synthesise proteins
4
Q
What factors effect a humans metabolism?
A
genes (the biggest factors) proportion of muscle to fat or (body) mass (BMI) age/growth rate gender physical activity hormone balance environmental temperature
5
Q
what is a metabolic reaction that happens in the liver?
A
detoxification of poisonous substances - the most common is ethanol
