Metabolic Pathways Flashcards
1
Q
Give an example of extra cellular signal molecules
A
Hormone adrenaline
2
Q
What are intra-cellular signal molecules?
A
Molecules that affect a cell’s metabolism and originates from inside the cell itself
3
Q
What is each step in a metabolic pathway driven by?
A
A specific enzyme
4
Q
What is each enzyme coded for?
A
By at least one enzyme
5
Q
What happens if one enzyme is absent?
A
The metabolic pathway stops
6
Q
What can metabolic pathways be regulated through?
A
Gene expression
7
Q
What are extra cellular signal molecules?
A
Molecules that affect a cell’s metabolism and originate from out with the cell (e.g lactose) they are produced/secreted by a cell and work elsewhere in the body
