What is the correct option? Question 10Students in a lab were working with a strain of bacteria that expressed a gene allowing the cells to break down the sugar galactose. The students isolated the component of the cell with the activityand performed chemical analysis to determine its composition. Which of the following would provide evidence that the isolated component was a protein?escA1B!CThe component was made of nucleotides.The component was made of sugars.The component was made of amino acids.D The component was made of fatty acids.2#3C54$4%5tOll6&7*8✓Q

According to the question, the experiment was conducted on bacterial strain to detect the function…

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Biology

Which of the following would provide evidence that the isolated component was a protein?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter4: Cell Structure

Section: Chapter Questions

Problem 32CTQ: You already know that ribosomes are abundant in red blood cells. In what other cells of the body...

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Concept explainers

Essential nutrients

These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.

Vitamins

The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.

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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. (Historical Context) The Third Person of the -Helix Publication Who was Herman Branson? What was his role in the elucidation of the structure of the or-helix'.' Did he receive sufficient credit and recognition for his contributions? And how did the rest of his career unfold? Do a Google search on Herman Branson to learn about his life, and read the article by David Eisenberg under Further Reading. You may also wish to examine the original paper by Pauling, Corey, and Branson, as well as the following Web site: http://www.pirns. org/sitelmisclclassicsl..shtml Pauling, L., Corey, R. B., and Branson, H. R., 1951. The structure of proteins: two hydrogen-bonded helical configurations of the polypeptide chain. Proceedings of the National Academy of Sciences, USA 37:235-240.
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Solving the Sequence of an Oligopeptide From Sequence AnalysisData An octapcptide consisting of 2 Gly, 1 Lys, 1 Met, I Pro, I Arg, 1 Trp, and 1 Tyr was subjected to sequence studies. The following was found: Edman degradation yielded Upon treatment with carboxypeptidases A. B, and Y, only carboxypeptidase Y had any effect. Trypsin treatment gave two tripeptides and a dipeptide. Chymotrypsin treatment gave two tripeplides and a dipeptide. Acid hydrolysis of the dipeptide yielded only Gly. Cyanogen bromide treatment yielded two tetrapeptides. Closlripain treatment gave a pentapeptide and a tripeptide. What is the amino acid sequence of this octapeptide?
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Calculate the Number of Nucleosomes in a Human Diploid Cell Assume that there is one nucleosome for every 200 bp of eukaryotic DNA. How many nucleosomes are there in a diploid human cell? Nucleosomes in be approximated a disks 11 nm in diameter and 6 nm long. If all the DNA molecules in a diploid human cell are in the B-conformation, what is the sum of their lengths? If this DNA is now arrayed on nucleosomes in the beads-on-a-string motif, what would be the approximate total height of the nucleosome column if these disks were stacked atop one another?
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