BIOCHEMISTRY (HARDBACK) W/ACCESS CODE
6th Edition
ISBN: 9781337194204
Author: GARRETT
Publisher: CENGAGE L
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Chapter 1, Problem 11P
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.
The Dimensions of Eukaryotic Cells and Their Constituents Assume that liver cells are cuboidal in shape, 20 μm oil a side. (Section 1.5)
- How many liver cells laid end to end would fit across the diameter of a pinhead? (Assume a pinhead diameter of 0.5 mm)
- What is the volume of a liver cell? (Assume it is a cube.)
- What is the surface area of a liver cell? What is the surface-to- volume ratio of a liver cell? How does this compare to the surface-to-volume ratio of an E. coli cell (compare this answer with that of problem 3c)? What problems must cells with low surface-to-volume ratios confront that do not occur in cells with high surface-to-volume ratios?
- A human liver cell contains two sets of 23 chromosomes, each set being roughly equivalent in information content. The total mass of DNA contained in these 46 enormous DNA molecules is 4 × 1012 Because each
nucleotide pair contributes 660 daltons to the mass of DNA and 0.34 run to the length of DNA, what is the total number of nucleotide pairs and the complete length of the DNA in a liver cell? How does this length compare with the overall dimensions of a liver cell? The maximal information in each set of liver cell chromosomes should be related to the number of nucleotide pairs in the chromosome set's DNA. This number can be obtained by dividing the total number of nucleotide pairs just calculated by 2. What is this value? If this information is expressed in proteins that average 400 amino acids in length and three nucleotide pairs encode one amino acid in a protein, how many different kinds of proteins might a liver cell be able to produce? (In reality, liver cell DNA encodes approximately 20,000 different proteins. Thus a large discrepancy exists between the theoretical information content of DNA in liver cells and the amount of information actually expressed.)
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HO
Fill in the missing boxes.
ON
800
NO
NO
Glucose
ATP
NADH
Hexokinase
1,3-Bisphosphoglycerate
Mg2+
ADP
NAD+, Pi
Phosphoglucose
Isomerase
Glucose-6-Phosphate
ON
沁
Glyceraldehyde-3-Phosphate
HO
حلمة
ADP
ADP Phospho
Mg2+
glycerate
Dihydroxyacetone Phosphate
ATP
kinase
ATP
Phosphoglycerate
3-phosphoglycerate
Mutase
H₁₂O
Fructose-6-Phosphate
ATP
Mg2+
ADP
Fructose-1,6-Bisphosphate
2-phosphoglycerate
H₂O
Phosphoenolpyruvate
ADP
Mg2+
ATP
Pyruvate
Chapter 1 Solutions
BIOCHEMISTRY (HARDBACK) W/ACCESS CODE
Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...
Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...Ch. 1 - Answers to all problems are at the end of this...
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