Chemistry

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What is the correct relationship between valylalanine and alanylvaline? A) enantiomeric pair B) ... Started by imowrer	1 Replies 99 Views	Aug 23, 2018 by macagnavarro
In the dipeptide shown the following segment of the molecule is likely to lie in a single plane: ... Started by RYAN BANYAN	1 Replies 60 Views	Aug 23, 2018 by choc0chan
What is the net charge of isoleucine at its isoelectric point? A) 0 B) +1 C) +2 D) 1 E) ... Started by asd123	3 Replies 117 Views	Aug 23, 2018 by bd5255
The structure of at the isoelectric point is: A) D) B) E) C) ... Started by geodog55	1 Replies 91 Views	Aug 23, 2018 by uniquea123
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? ... Started by bobthebuilder	1 Replies 106 Views	Aug 23, 2018 by brittanywood
Which of the following is Sanger's reagent? A) D) B) E) C) ... Started by washai	1 Replies 62 Views	Aug 23, 2018 by T4T
What is the structure of the phenylhydantoin derived from the first cycle of the Edman degradation ... Started by ap345	3 Replies 174 Views	Aug 23, 2018 by karlss
The Edman degradation is used A) to identify the C-terminal amino acid of a peptide. B) to ... Started by luminitza	1 Replies 220 Views	Aug 23, 2018 by kswal303
Sanger's reagent is used A) to determine the amino acid sequence of a peptide. B) to determine ... Started by haleyc112	1 Replies 287 Views	Aug 23, 2018 by vkodali
Ninhydrin is used A) to determine the N-terminal amino acid of a peptide. B) to sequence amino ... Started by jayhills49	1 Replies 350 Views	Aug 23, 2018 by dpost18
The structure below represents a A) nucleic acid. B) nucleoside. C) ... Started by nevelica	3 Replies 287 Views	Aug 23, 2018 by bigsis44
What is the major difference between RNA and DNA? A) sugars are different B) different number of ... Started by armygirl	1 Replies 63 Views	Aug 23, 2018 by Juro
Which base is NOT present in DNA but is present in RNA? A) adenine B) cytosine C) uracil D) ... Started by MGLQZ	1 Replies 102 Views	Aug 23, 2018 by shaikhs
In a polynucleotide, what hydroxyl position is linked to the 5' position of 2-deoxyribose? A) 1' ... Started by SAVANNAHHOOPER23	1 Replies 65 Views	Aug 23, 2018 by carolinefletcherr
What is the usual group present on the 5' terminal nucleotide of mRNA? A) an amide B) a ... Started by yoooooman	3 Replies 98 Views	Aug 23, 2018 by mmj22343
The structural arrangement of DNA is A) B) C) D) E) ... Started by Starlight	1 Replies 43 Views	Aug 23, 2018 by Kingjoffery
The most basic nitrogen in caffeine is: A) N-1 B) N-2 C) N-3 D) N-4 E) all ... Started by kwoodring	1 Replies 53 Views	Aug 23, 2018 by Pamela.irrgang@yahoo.com
The heterocyclic compounds adenine (A) and thymine (T) form base pairs in DNA via how many hydrogen ... Started by K@	1 Replies 193 Views	Aug 23, 2018 by trog
A polyribonucleotide was prepared from the tetranucleotide UAUC. When it was subjected to ... Started by Pineapplelove6	3 Replies 117 Views	Aug 23, 2018 by Kaytorgator
If the sequence in a strand of DNA is 5' AGCCATGT 3' the complementary DNA strand will be ... Started by Tazate	1 Replies 266 Views	Aug 23, 2018 by T4T
A polyribonucleotide prepared from the tetranucleotide AUAC, when subjected to peptide synthesizing ... Started by melly21297	1 Replies 63 Views	Aug 23, 2018 by Kedrick2014
When dAMP is hydrolyzed with acid, the organic products are: A) ribose and adenine B) ... Started by leilurhhh	1 Replies 66 Views	Aug 23, 2018 by stano32
Rank the following compounds in order of increasing reactivity with a nucleophile. ... Started by Pea0909berry	3 Replies 116 Views	Aug 23, 2018 by Ashley I
Which of the following best describes the key mechanistic steps in the reaction of an acid chloride ... Started by erika	1 Replies 83 Views	Aug 23, 2018 by stanleka1
An ether solution contains the following components. 2,3,4,5-tetramethylbenzene benzyl alcohol ... Started by RRMR	1 Replies 74 Views	Aug 23, 2018 by tsternbergh47