Only phenylalanine alanine., Tryptophan and tyrosine can be synthesize directly from Phosphoenolpyruvate (PEP) by the Glycolysis pathaway. Thus Threonine can not be synthesize from PEP.
Option- D
Which of the following amino acids are NOT synthesized from phosphoenolpyruvate, an intermediate of the glycolysis...
What amino acids are being coded for by the gene segment provided below? Nucleotide triplets and their corresponding amino acids are: ACA= Cysteine; AAA=Phenylalanine; TGG=Threonine; CCT=Glycine; GAT=Leucine; ATA=Tyrosine; AGG=Serine; TCT=Arginine 29. What amino acids are being coded for by the gene segment provided below? Nucleotide triplets and their corresponding amino acids are ACA- Cysteine; AAA-Phenylalanine; TGG-Threonine; CCT Glycine; GAT Leucine; ATA Tyrosine; AGG Serine; TCT Arginine a) Threonine, serine, glycine, tyrosine, leucine, phenylalanine, arginine, cysteine. b) Tyrosine, leucine, glycine, threonine,...
#202 Dipeptides Which amino acids, in order left to right, are present in the following structure? HN OH Select one: O a. tyrosine, serine O b. tyrosine, threonine c. phenylalanine, threonine d. phenylalanine, valine e. phenylalanine, isoleucine O
Which of the following amino acids is not produced from 3-phosphoglycerate (3-PG), an intermediate of the glycolysis pathway? Serine Cysteine Glycine Proline
QUESTION 24 Which of the following amino acids does not contain an aromatic R-group? O A) tyrosine B) phenylalanine O C) tryptophan O D) histidine O E) none of the above
1. Which is a true statement about amino acids? a. They are amphiprotic b. The a-carbon has an ester attached c. They are symmetrical d. They are planar e. The α-carbon has a phosphate group attached 2. Which is an incorrect statement regarding the side chains of amino acids? a. Tryptophan, tyrosine, and phenylalanine contain an aromatic group. b. Isoleucine, and leucine are isomers of each other. c. Lysine and methionine contain an amine group. d. Threonine, serine, and tyrosine...
All amino acids can be synthesized from intermediates of the: A- the glycolytic pathway, the pentose phosphate pathway and citric acid cycle. B- citric acid cycle alone. C- the glycolytic pathway and citric acid cycle. D- glycolytic pathway and the pentose phosphate pathway.
Which of the following amino acids may alter the direction of a polypeptide chain and cause a section of this chain to bend? a. phenylalanine b. serine c. proline d. histidine e. tryptophan
Select all that apply. What amino acids are synthesized from alpha - ketoglutarate? histidine valine glutamate methionine proline arginine isoleucine alanine lysine glutamine phenylalanine leucine
Which of the following amino acids can form hydrogen bonds through their sidechain groups? Select one: a. Threonine b. Phenylalanine c. Proline d. Methionine e. Glycine
Proteins are complex biological molecules made of smaller molecules called amino acids. Five common amino acids and their K, values are listed below. Rank them from strongest to weakest acid. Amino acid pka glutamine 2.2 arginine 1.7 threonine 2.5 tryptophan 2.4 proline 2.0