MTC week 10 Flashcards
what is nitrogen fixation and what thing does it?
what is nitrogen fixation and what thing does it?
Answer: Gas N2 is reduced to NH3, done by bacteria
what is nitrogen assimilation and what thing does it?
what is nitrogen assimilation and what thing does it?
Answer: transform ammonia from environment into glutamate and glutamine, done by plants.
Can animals do nitrogen fixation of assimilate nitrogen?
Can animals do nitrogen fixation of assimilate nitrogen?
Answer: no
what are Glucogenic proteins?
what are Glucogenic proteins?
Answer: proteins that can be used to synthesise glucose, via the TCA or pyruvate
what are Ketogenic proteins?
what are Ketogenic proteins?
Answer: proteins that make Acetyl-CoA or can be used to synthesize ketone bodies or fatty acids.
name a protein that is both glucogenic and ketogenic
name a protein that is both glucogenic and ketogenic
Answer: Phenylalanine
what is the precursor of epinephrine, norepinephrine and dopamine?
what is the precursor of epinephrine and dopamine?
Answer: tyrosine
Parkinson’s disease is associated with ______ of dopamine and is traditionally treated by giving _______.
Parkinson’s disease is associated with ___underproduction___ of dopamine and is traditionally treated by giving ___L-dopa [dihydroxyphenylalanine]___.
Schizophrenia is a psychological disorder that may have a link to ___________ of dopamine.
Schizophrenia is a psychological disorder that may have a link to ____Overproduction____ of dopamine.
Tyrosine can be synthesized from _______ with ______ enzyme.
A deficiency in the enzyme leads to ________.
Tyrosine can be synthesized from ___phenylalanine____ with ___Phenylalanine Hydroxylase___ enzyme.
A deficiency in the enzyme leads to ___phenylketonuria (PKU)__.
high _______ inhibits ________ the enzyme responsible for making melanin from tyrosine.
high phenylalanine inhibits Tyrosine Hydroxylase the enzyme responsible for making melanin from tyrosine.
how do people with the inherit mutant phenylalanine hydroxylase gene get tyrosine?
how do people with the inherit mutant phenylalanine hydroxylase gene get tyrosine?
Answer; supplemented into their diet.
positive nitrogen balance means?
and negative nitrogen balance means?
positive nitrogen balance means?
Answer: body is building protein
and negative nitrogen balance means?
Answer: body is breaking down protein.
