biological catalysts Flashcards
extra cellular
outside the cell
intra cellular
inside the cell
metabolic/metabolism
the chemical reactions that take place in living cells/organisms
how much catalyst is needed to form products
a small amount
what is the turnover number
the number of reactions that an enzyme molecule can catalyse per second
why are enzymes suitable for the body
they work under regular pressures, lower temperatures and often neutral PH
how are metabolic disorders caused?
if an enzyme that catalyses metabolic reactions is deficient
why do temp and PH affect the enzymes ability to catalyse
they affect the bonds that hold proteins in their tertiary structure
intracellular enzymes
there may be up to 1000 metabolic reactions going on at the same time
how do intracellular enzymes work
metabolic pathways which is one of a series of consecutive reactions going on at the same time
what are the products from intracellular enzymes called?
metabolites
what is an example of a metabolic pathway?
photosynthesis and respiration
what does catalase consist of?
four types of polypeptide chains and a haem group
what is the fastest enzyme
catalase
were is amylase produced?
in the salivary glands
