BIOCHEMISTRY
9th Edition
ISBN: 2818440090622
Author: BERG
Publisher: MAC HIGHER
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Question
Chapter 25, Problem 22P
Interpretation Introduction
Interpretation:
The carbon atoms that will be labeled in cytosine and guanine.
Concept introduction:
Purines and pyrimidines are the
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How many amino acid residues are in the heavy and light chains of the Fab fragment, and how many amino acid residues are in lysozyme?
Based. On the table explain the difference of net charge between 168.1 and the 168.10 molecular clones. Consider the initial net charge of the 168.1 clone and what ionizable amino acids contribute to such charge. Assume that histidine is neutral due to the ph
proteins. Which of the following will tell you whether a protein would be found in the lumen of the ER?
A. You run a hydropathy plot an look for hydrophobic peaks that span 20-30 amino acids
B. You isolate microsomes and see whether the proteins are inserted into the membrane of the microsome
C. You run a hydropathy plot an look for a lack of hydrophobic peaks that span 20-30 amino acids
O D. You do in vitro translation of each protein in the presence or absence of microsomes and look to see whether there is a size change in the presence
of microsomes.
Chapter 25 Solutions
BIOCHEMISTRY
Ch. 25 - Prob. 1PCh. 25 - Prob. 2PCh. 25 - Prob. 3PCh. 25 - Prob. 4PCh. 25 - Prob. 5PCh. 25 - Prob. 6PCh. 25 - Prob. 7PCh. 25 - Prob. 8PCh. 25 - Prob. 9PCh. 25 - Prob. 10P
Ch. 25 - Prob. 11PCh. 25 - Prob. 12PCh. 25 - Prob. 13PCh. 25 - Prob. 14PCh. 25 - Prob. 15PCh. 25 - Prob. 16PCh. 25 - Prob. 17PCh. 25 - Prob. 18PCh. 25 - Prob. 19PCh. 25 - Prob. 20PCh. 25 - Prob. 21PCh. 25 - Prob. 22PCh. 25 - Prob. 23PCh. 25 - Prob. 24PCh. 25 - Prob. 25PCh. 25 - Prob. 26PCh. 25 - Prob. 27PCh. 25 - Prob. 28PCh. 25 - Prob. 29PCh. 25 - Prob. 30PCh. 25 - Prob. 31PCh. 25 - Prob. 32PCh. 25 - Prob. 33PCh. 25 - Prob. 34PCh. 25 - Prob. 35PCh. 25 - Prob. 36PCh. 25 - Prob. 37PCh. 25 - Prob. 38PCh. 25 - Prob. 39PCh. 25 - Prob. 40PCh. 25 - Prob. 41PCh. 25 - Prob. 42PCh. 25 - Prob. 43PCh. 25 - Prob. 44PCh. 25 - Prob. 45PCh. 25 - Prob. 46PCh. 25 - Prob. 47PCh. 25 - Prob. 48PCh. 25 - Prob. 49PCh. 25 - Prob. 50PCh. 25 - Prob. 51P
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- . Give two reasons to explain why a proline residue in the middle of an ahelix is predicted to be destabilizing to the helical structurearrow_forwardDraw the structure. Saccharide X occurs in the roots of several species of plants. Deduce the structure of saccharide x from the following data: 1. Acidic hydrolysis of 1 mol of stachyose yields 2 mol of D-galactose, 1 mol of D-glucose, and 1 mol of D-fructose. 2. Stachyose is a nonreducing sugar. 3. Treating stachyose with an a-galactosidase produces a mixture containing D-galactose, sucrose, and a nonreducing trisaccharide called raffinose. 4. Acidic hydrolysis of raffinose gives D-glucose, D-fructose, and D-galactose. Treating raffinose with an a-galactosidase yields D-galactose and sucrose. Treating raffinose with invertase (an enzyme that hydrolyzes sucrose) yields fructose and melibiose 5. Methylation of saccharide x followed by hydrolysis yields 2,3,4,6-tetra-O-methyl-D-galactose, 2,3,4-tri-0-methyl-D-galactose, 2,3,4-tri-O-methyl-D-glucose, and 1,3,4,6-tetra-O-methyl-D-fructose.arrow_forwardThis is DNA. Locate the nitrogen bases (nitrogens are blue). Where are they located in the molecule?Locate the sugars and phosphates, and describe their location. Adjacent nucleotides are linked by covalent phosphodiester bonds (-O-P-O-) produced by a condensation reaction. What parts of the adjacent nucleotides are linked by phosphodiester bonds?Two nitrogenous bases extending towards the middle of the double helix. Are there any covalent bonds between these bases?If there are no covalent bonds between these bases, what other kinds of bonds might hold the two strands of the double helix together?arrow_forward
- Using Fig. as a guide, draw the complete structure of a nucleoside triphosphate before and after it becomes incorporated into a polynucleotide chain. Draw the structure that would result if the newly formed phosphodiester bond were hydrolyzed.arrow_forward. Provide an explanation for the fact that a-D-mannose is more stable than B-D-mannose, whereas the opposite is true for glucose.arrow_forwardE Threonine 6. You have identified some intermediates in threonine synthesis: A, B, C, D and E. You grow a few of your mutants in the presence of these different intermediates to determine the order in which the gene products act. Below are your results. A (+) means growth and a (-) means no growth. Given these data, draw the best possible pathway for the synthesis of threonine. The diagram should use arrows to indicate one intermediate being changed to another intermediate. Indicate which gene produces the product responsible for the conversion by listing the mutant in that gene above the arrow. Mt1 Mt2 Mt4 Mt7arrow_forward
- ILLUSTRATIONS. For each of the given proteins: Draw the final location of the following proteins after being translocated. • Label the organelle (as well as the organelle parts/compartments) and the cytosol (if necessary) in order to clearly depict the protein's location and orientation. • Label the amino and carboxyl ends of the protein. Below your drawing, indicate: a. the receptor/s b. the energy source c. if there is signal peptide cleavage or none A. Peroxisome: Class I PMP H₂N- ITS* *Internal targeting sequence -COOHarrow_forwardPlease help. Both images are connected so this is one question just a part a and b.arrow_forwardNeed help. Which one of the following statements is FALSE? Group of answer choices A.Beta-pleated sheets are part of the secondary structure of proteins B.The nitrogenous bases of DNA are located on the inside because they are hydrophobic in character C.The peptide bond is formed by dehydration synthesis D.Alpha helices are stabilized by attraction between the amino acid R groups E.The peptide bond is rigid and planar and has partial double bond characterarrow_forward
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