A typical animal cell is said to contain some 10 billion protein molecules that need to be sorted into their proper compartments. That’s a lot of proteins. Can 10 billion protein molecules even fit into a cell? An average protein encoded by human genome is 450 amino acids (AA) in length, and the average mass of an amino acid in a protein is 110 daltons. Given that the average density of a protein is 1.4 g/cm3, what fraction of the volume of a cell would 10 billion protein molecules occupy? Consider a liver cell, which has a volume of about 5000 mm3, and a pancreatic exocrine cell, which has a volume of about 1000 mm3.
A typical animal cell is said to contain some 10 billion protein molecules that need to be sorted into their proper compartments. That’s a lot of proteins. Can 10 billion protein molecules even fit into a cell? An average protein encoded by human genome is 450 amino acids (AA) in length, and the average mass of an amino acid in a protein is 110 daltons. Given that the average density of a protein is 1.4 g/cm3, what fraction of the volume of a cell would 10 billion protein molecules occupy? Consider a liver cell, which has a volume of about 5000 mm3, and a pancreatic exocrine cell, which has a volume of about 1000 mm3.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A typical animal cell is said to contain some 10 billion protein molecules that need to be sorted into their proper compartments. That’s a lot of proteins. Can 10 billion protein molecules even fit into a cell? An average protein encoded by human genome is 450 amino acids (AA) in length, and the average mass of an amino acid in a protein is 110 daltons. Given that the average density of a protein is 1.4 g/cm3, what fraction of the volume of a cell would 10 billion protein molecules occupy? Consider a liver cell, which has a volume of about 5000 mm3, and a pancreatic exocrine cell, which has a volume of about 1000 mm3.
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