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Irene Gold Boards Part 1 Biochemistry Questions and Answers CA$21.04   Add to cart

Exam (elaborations)

Irene Gold Boards Part 1 Biochemistry Questions and Answers

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How many a.a.'s are incorporated into proteins? Ans- 20 All a.a.'s exist in what form, EXCEPT for glycine? Ans- L-form All a.a.'s are in L-form EXCEPT for what? Ans- glycine Glycine is not in L-form because? Ans- it doesn't contain a chiral carbon define chiral carbon Ans- different compou...

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  • August 2, 2024
  • 101
  • 2024/2025
  • Exam (elaborations)
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Irene Gold Boards Part 1
Biochemistry Questions
and Answers


How many a.a.'s are incorporated into proteins?


Ans- 20




All a.a.'s exist in what form, EXCEPT for glycine?


Ans- L-form




All a.a.'s are in L-form EXCEPT for what?


Ans- glycine




Glycine is not in L-form because?

,Ans- it doesn't contain a chiral carbon




define chiral carbon


Ans- different compounds at each binding site




All a.a's are what?


Ans- amphoteric




define amphoteric


Ans- can act as an acid or base




What are the essential a.a.'s?


Ans- PVT TIM HALL




phenylalanine


valine


tryptophan

,threonine


isoleucine


methionine


histidine


arginine


leucine


lysine




Histidine is __________________ in a child but not an adult


Ans- essential




What are the purely ketogenic a.a.'s?


Ans- leucine and lycine




What does lysine do?


Ans- precursor to carnitine

, What does carnitine do?


Ans- takes FA into mitochondria for B-oxidation




What are the AROMATIC a.a.'s?


Ans- phenylaline


tyrosine


tryptophate




"Phen from house tyro-L trypt"




How many of the aromatic a.a.'s are ALSO essential?


Ans- 2




What type of ring does tryptophan have?


Ans- indole ring




What are the sulfur-containing a.a.'s?

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