(1 pt) 4. How many stereoisomers does the amino acid isoleucine (shown below) have: Draw (R,R)...
How many possible stereoisomers can for the following amino acid? OH O ОН NH2 O 1 2 8
How many stereoisomers are possible for the connectivity shown below? possible for the 8. How many stereoisomers are connectivity shown below? HO H H OH олон
How many chiral carbon atoms does each molecule have and how many total stereoisomers are possible? a. CH3CHCHCHCH3 CH2CH3 number of chiral carbon atoms number of total possible stereoisomers OH b. CH3CHCH2CHCH; CH3 number of chiral carbon atoms 2 number of total possible stereoisomers 4 OH O c. HOCH CHCHÖCH,OH OH number of chiral carbon atoms number of total possible stereoisomers
How many valence electrons does the amino acid alanine, C3H7NO2, have? Provide your answer below:
OH How many chiral centers are there in tartaric acid, and how many different stereoisomers exist for this acid? (a) 2 chiral centers; 2 isomers HO (b) 1 chiral center; 1 isomer (c) 2 chiral centers; 4 isomers (d) 2 chiral centers; 3 isomers YOU OH tartaric acid
1.) Draw the structure of the amino acid Serine(ser), which has R=-CH2-OH. Label the alpha carbon. 2.) Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3.) How many amino acids residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide 4.) Sketch a alpha-helix and a beta-sheet as best as you can. Label each.
PRELAB ASSIGNMENT 1 Draw the structure of the amino acid son CH-OH Label the alpha carbon acid Sorine (en) which has R MO CHE OH CH2 OH 2. Draw the dipeptide that forms betw the peptide bond. s between serine and alanine The dipeptide sequence is Ser Ala Lace CH NCH H, A - — сH — с CH2 OH 3. How many amino aci arty amino acid residues are in a polypeptide containing 6 peptide bonos How many peptide...
I need help with 2D please How many stereoisomers will the molecule at right have?___ Below, correctly draw all the stereoisomers of the molecule at right. On one (1) of your drawings, designate R and S at each stereocenter, on ONE (1) drawing.
1. a. The large structure shown below has recently been studied by the pharmaceutical company Merck. Using the numbering system shown for this structure, write (R) or (S) over the numbered line for each stereogenic center. b. (-)-Menthol is shown as the most stable chair conformation. Write the (R) or (S) stereochemistry above the atom numbers. c. Isoleucine is one of the twenty common amino acids. All of the stereogenic centers are (S). Draw the hydrogens to show those stereocenters....
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)-2-methyl-3-bromo-hexane. 4. (4 pts) Draw a wedge and dash structure representing (1R 2R,3S)-1,2- dichloro3-ethylcyclohexane. 5. (4pts) 2-bromobutane is shown below. Is this (R)-2-bromobutane or (S)-2 bromobutane? 6. (6 pts) For each chiral carbon in ascorbic acid (vitamin C), shown below, assign Ror S to each stereocenter. How many stereoisomers of ascorbic acid are possible? OH HO ОН 7. (9 pts) (Are...