Tyrosine contains a _________________________ side chain.
phenolic
carbamic
None of the choices are correct.
carboxylic
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Tyrosine contains a _________________________ side chain. phenolic carbamic None of the choices are correct. carboxylic
Draw the chemical structure of a tyrosine side chain after it has been phosphorylated in a signaling cascade.
5. Tyrosine has a side-chain with an ionisable phenol group. i) explain in less than 20 words the generl definition of pl; i) state in a complete sentence the pl of tyrosine; and ili) explain in about 50 words how the involved chemicals group determine the pl of tyrosine (in your explanation name the charges that are present on the ionisable groups) (1 mark)
5. Tyrosine has a side-chain with an ionisable phenol group. i) explain in less than 20...
The carboxylic acid group (COOH) in the side chain of Aspartic acid (shown below), one of the 20 naturally occurring amino acids, has a pKa of 4.1. Calculate the percentage of conjugate base (COO- ) for this carboxylic acid group in the side chain of Aspartate at the following pH values: 2.1 , 4.1 and 5.1.
Label the anomeric carbon, alpha amine, alpha carboxylic acid,
and side chain
Label the following amino acid appropriately: Blue- Anomeric Carbon Red-alpha amine Green-alpha carboxylic acid Magenta-Side Chain НО. OH NH Oooo.
What is the one-letter code for the amino acid that has a side chain that contains a secondary alcohol? T K A E G Correct answer is T What is the one-letter code for the amino acid that has a methyl group as its side chain? E A T G K Correct answer is A
Question 2 1 pts Amino acids are classified by their Rgroup (side chain) carboxylic acid group peptide bond alpha carbon amine group
Which one of the following contains the stronger acid, the protonated side chain of Arginine, or the protonated side chain of Lysine? Provide the resonance structures of the Arginine side chain and compare them to the Lysine side chain to explain why.
O CH3-C OH Which functional group is this? ketone carboxylic acid none are correct ester aldehyde
O none of the choices are correct. DI Question 19 Which of the following elements has the largest atomic size? ?Ca none of the choices are correct. Ba Question 20
Consider a protein with the acidic side chains, Amino Acid side-chain Arginine pKa = 12.48 Aspartic Acid PKa = 3.90 Cysteine pKa = 8.33 Glutamic acid pKa = 4.07 Histidine pKa = 6.04 Lysine pKa =10.79 Tyrosine pKa =10.13 Given that the pH of blood is about 7.3, how many of the above side chains would be mostly in their ionic form (A-) in blood? 2 3 4 5