ATP Flashcards
what does ATP stand for
adenosine triphosphate
why is ATP referred to as a nucleotide derivative
has many of the same components as nucleotides
what does a molecule of ATP consist of
- adenine nitrogenous base
- ribose pentose sugar
- 3 phosphate groups
what is the function of ATP
to provide an immediate source of energy for biological processes
why are the phosphate groups considered inorganic
they do not contain carbon atoms
how do you represent an inorganic phosphate
Pi-
how is ATP made
during respiration
- ADP + Pi- via a condensation reaction
- using the enzyme ATP hydrolyse
why is ATP an immediate source of energy
the phosphate group can quickly be broken off the ATP molecule
which bond has to break in a ATP molecule for energy to be released
the bond between two phosphate groups
what is phosphorylation
when a phosphate group binds onto a substance
what is phosphorylation
the binding of an inorganic phosphate group ono a substance
what is the effect of phosphorylation on the substance it happens to
it becomes more reactive
what are the key properties of ATP
- releases energy in small, manageable amounts
- small and soluble > so easily transported
- only one bond hydrolysed for immediate energy release
- transfers energy to other molecules
- ATP cant pass the c.s.m
when ATP is hydrolysed what is formed
ADP + Pi- (+h2o)
what does ATP hydrolyse do
it hydrolyses the phosphate bonds
