Why does the structure below give a negative result to the Xanthoproteic test even though it contains an aryl group H2N O the sidechain is basic O the sidechain is acidic O the benzene ring is not activated O the ring formed in phenylalanine is saturated
Why does the structure below give a negative result to the Xanthoproteic test even though it contains an aryl group H2N O the sidechain is basic O the sidechain is acidic O the benzene ring is not activated O the ring formed in phenylalanine is saturated
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A docs.google.com/forms/d/e/1FAlpQLSdGowWC5ZTCHuoY1h3gnM-tAP1LLOae7BZDHJDobXp_R4AMQ/viewform?fbclid%=lwAR3mN33mDNd8akQTZmTFzbXuexKchSuhZ
Why does the structure below give a negative result to the Xanthoproteic test
even though it contains an aryl group
H2N
O the sidechain is basic
O the sidechain is acidic
O the benzene ring is not activated
O the ring formed in phenylalanine is saturated
ООО О
Transcribed Image Text:Monosaccharide and disaccharide can be dissolved freely in water because
O water is nonpolar
water is polar
water has colligative properties
O water has a ttrigonal planar structure
O ketose
In the Xanthoproteic test, the aromatic ring will undergo a reaction with
O concentrated nitric acid
O concentrated sulfuric acid
O bromine in carbon tetrachloride
O sodium hydroxide
What is the use of the Henderson Hasselbalch equation in making buffers
O to get the ratio of the concentration of the acid and conjugate base
O to adjust the pH so that the it is +7 the value of the pka
to adjust the pH so that the it is -7 the value of the pKa
O to calculate the Ka of the known conjugate base and its salt
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