metabolism Flashcards
1
Q
what is metabolism
A
Metabolism is the sum of all the chemical reactions in a cell or the body.
2
Q
what can glucose be converted into in plants
A
cellulose- strengthens the plant cell wall
starch-storage form of glucose
amino acids+nitrate ions- used to synthesis proteins
3
Q
what can glucose be converted into in humans
A
glycogen - storage form of glucose
4
Q
what does the body do with excess protein
A
breaks it down to urea which is then excreted by the kidney
5
Q
what does thyroid play an important role to
A
the growth and in development
6
Q
how is the level of thyroxine in the blood controlled
A
by negative feedback
7
Q
name examples of a negative feedback loop
A
blood glucose and the menstrual cycle
