2. R edraw the compound shown indicating the actual protonation state at pH 7.0 and indicate the overall net charge at this pH. 5pts O H OH 2 T0 the following reaction. 2. R edraw the compou...
H H-N 1) What is the overall charge of the above compound when placed in an aqueous pH 7 buffer? A. O, zero B. +1 C. +2 D. +3 or +4 2) Predict the resulting product from the following multi-step synthesis shown below: O NaoMe NaoMe MeOH / dil HCI H30+ Δ Ph2P=CH2 ОMe ? Br Br NaOME O OH OH P+Ph3 Br A. Br D. B. CO2H
Indicate whether the following reaction, mechanism not shown, involves C O or O-H bond cleavage of the alcohol molecule. HBr "SN1-like" BrH H :0; 3 alkyl bromide 2 alcohol O c-O bond cleavage O o-Hbond cleavage Both C-O and O-H bond cleavage.
following reaction the unshaded spheres represent H atoms. Huz CO₃ H₂O H2O a o- H -c 0-0 8) 8) Identify the Bronsted-Lowry acid/base conjugate pairs (1)/(4) and (2)/(3) B) (1)/(3) and (2)/(4) C) (1)/(2) and (3)/(4) 9) Arrange the following 0.10 M aqueous solutions in order of increasing pH: NaOH, HBr, NaCH3CO2, KBr, NH4Br. A) NaOH, NaCH3CO2, KBr, NH4Br, HB B) HBr, KBr, NH Br, NaCH3CO2, NaOH C) NaOH, NaCH3CO2, NH Br, KBr, HB D) HBr, NH4Br, KBr, NaCH3CO2, NaOH...
7. The IUPAC name for the followe d in the OH controls a) 3-chloro-2-methylcyclohexanol 5-chloro-2-methylcyclohexanol 2-methyl-3-chlorocyclohexanol d) 2-methyl-5 chlorocyclohexanol e) 1-chloro-4-methylcyclohexanol Which of the following cannot be an electrophile? a) H b) CH2-CH; c) 'NO ) BF; d) Fee ased on the following enery diagram, which compound is formed slowly Reaction ) B from A c) Cfrom B d) from C a) A from B b 10. Which of the following has the highest priority? -0-H -CH=CHCH -CH=NCH -SC-CH; 11....
11 Department of Biological Sciences BIOCHEMISTRY Test 2.2018 H. Nucleic Acid, Sequencing of DNA: Amino Acids Hydrolysis of salt Laboratory buffers, Polyprotie acids QUESTIONS 1. The DNA strand complementary to the strand 3-GTAGCGTAT-Y' would have the sequence a SLTACOCATAT-3 b.3.CATOXICATA-S c. 3-ATGCGTATA-S" ATATGCGTAS 2. When cytosine is treated with bisulfite, the amino group is replaced with a carbonyl group. Identify the resulting base a. adenine b. guanine c uracil d. thyminee. typoxanthine 3. How many amino acids would be in...