ACTIVITY 6.2.4Give the systematic name of the following cyclicmonosaccharides:1. Name:OH-ІHOH-H2. Name:OHHO3. Name:HOHHOCH₂OHCH₂OHОННО0HOHOHOHSCH₂OHOH

Monosaccharides are carbohydrates with single sugar unit. The structure of monosaccharides can be…

Answered: ACTIVITY 6.2.4 Give the systematic name…

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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3L6
2.7 Now that you have figured out the reaction mechanism, let's explore the action mechanism of the following drug. Notice that this molecule is composed of two chloroethylamine groups and therefore can react with two different nucleophiles. Complete the following reaction mechanism. R-N Cl CL + R'-NH₂ R"-NH₂ The above reaction is responsible for the activity of the drug. Because of its ability to react with two nucleophiles, the drug can create a bridge between two biologically active molecules and disrupt their activity. This process is known as 'cross-linking'. For example, it can react with two DNA strands and prevent their separation during replication. This will cause cytotoxicity and cell death. 2.8 Draw a scheme/cartoon to represent the general idea of chemical cross-linking described above.
What is this product?
Q.3: Caprylic acid is an 8-carbon saturated fatty acid that occurs in coconut oil and palm kernel oil. Draw the condensed structural formula for glycerol tricaprylate (tricaprylin).
Leu 93 Val 49. Are these two residues polar or hydrophobic (nonpolar)? What effect should their proximity have on the pKa Lys 216 Schiff base?
N-acetylphenylalaninamide 2. (a) is a substrate of a-chymotrypsin. Draw the structural formula of this molecule, indicate which bond is cleaved in the hydrolytic reaction, and explain from its structure why it is a specific substrate of a-chymotrypsin. What influence does the acetyl group have on the reaction? (b) The table on the right lists initial velocity data for hydrolysis of N-acetylphenylalaninamide catal- yzed by a-chymotrypsin. From the data calculate the value of KM by a graphical method using a rectangular hyperbolic function to relate velocity to substrate con- centration and compare the results to the value obtained by a linear least-squares fit of the data in the form of a double-reciprocal plot. Substrate conc. (mm) 10.5 16.1 20.0 35.0 93.4 Vo (mmole/min) 3.33 x 10-² 4.55 x 10-² 5.56 x 10-² 7.15 x 10-² 10.0 x 10-²
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11 X For the hydrolysis of glucose-6-phosphate, glucose-6-P + H₂O = glucose + Pi AG'°= -13.8 kJ/mol and K'eq = 3.81x10-³ at 25°C. Therefore the [glucose-6- phosphate]/[glucose] ratio is about 1/260 at equilibrium. What is the [glucose-6- phosphate]/[glucose] ratio at equilibrium when this reaction is coupled to ATP hydrolysis in the coupled reaction glucose + ATP = glucose-6-phosphate + ADP and [ATP] = ADP]? For ATP hydrolysis AG'°= -30.5 kJ/ mol at 25°C. 0/1 Point Earned 9/10 Attempts Remaining

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ACTIVITY 6.2.4 Give the systematic name of the following cyclic monosaccharides: 1. Name: OH Н OH Н Н 2. Name: -Т OH 3. Name: Н OH HOCH₂ OH по три види OH HO CH₂OH CH2OH OH H OH ОННО