Class notes
Amino acid metabolism
- Course
- Institution
Lecture notes of 6 pages for the course Medicine at QUB (Physiology)
[Show more]
Seller
Follow
caustin2536
Content preview
AMINO ACIDSFamilies of amino acids
Common amino acids are grouped
togetherdependingon what
their side chains are
Acidic
Basic
Uncharged polar
non polar
All amino acids can exist
as 1 of 2 optical isomers
except glycine
Only L forms are useful
in humans
Of the 20 amino acids It can be synthesised t 9 can't
Essential amino acids are found elsewhere
, Three major uses
To produce metabolic energy
To make protein
To make other molecules e g urea A carrier of
waste nitrogen
The carbon skeleton of
amino acids can be glucogenic
ketogenic or both
A Glucogenic The C skeletons
are
degraded to pyruvate or
TCA cycle intermediates which
are precursors for
glucogenesis
or
they can be converted to glycogen
fatty acids for
Storage May also be catabolised for energy in the TCA
cycle
B Ketogenic Carbon skeleton
degrade to
acetyl CoA
or a Ceto acetate Can be catabolised for energy is the
TCA converted to bodies acids
cycle or ketone
fatty
They CANNOT be converted to glucose
C g Phenylalanine is both ketogenic and glycogenic
When glycogenic Phenylalanine Tyrosine
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller caustin2536. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $3.90. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now