WORLD OF CELL+MASTERING ACCESS >CUSTOM
9th Edition
ISBN: 9781323445044
Author: Hardin
Publisher: PEARSON C
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Chapter 1, Problem 1.2PS
QUANTITATIVE Cell Sizes. To appreciate the differences in cell size illustrated in Figure 1-3a, consider these specific examples. Escherichia coli, a typical bacterial cell, is cylindrical in shape, with a diameter of about 1 μm and a length of about 2 μm. As a typical animal cell, consider a human liver cell, which is roughly spherical and has a diameter of about 20 μm. For a typical plant cell, consider the columnar palisade cells located just beneath the upper surface of many plant leaves. These cells are cylindrical, with a diameter of about 20 μm and a length of about 35 μm.
(a) Calculate the approximate volume of each of these three cell types in cubic micrometers. (Recall that V = πr2h for a cylinder and that V = 4πpr3/3 for a sphere.) Use three significant figures for these calculations.
(b) Approximately how many bacterial cells would fit in the internal volume of a human liver cell?
(c) Approximately how many liver cells would fit inside a palisade cell?
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The Size of Cells and Their Components:
a. (a) If you were to magnify a cell 10,000 fold (typical of
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Organelle
Biochemical Process
Importance
Rough Endoplasmic Reticulum
Covalent modification and distribution of synthesized proteins
Smooth Endoplasmic Reticulum
Lipid synthesis
DNA
storage of genetic material
Nucleolus
site for ribosome synthesis
Vesicle
Cell-cell Communication and Transport
Ribosome
a major site for protein synthesis
Question:-
MATCH EACH WITH THE LETTER.
1. RIBOSOME
2. NUCLEUS
3. ROUGH ENDOPLASMIC RECTICULUM (ER)
4. SMOOTH ENDOPLASMIC RECTICULUM (ER)
5. LYSOSOME
6. MITOCHONDIRA
-------------------------------
A. CONTAINS DNA
B. CHOLESTEROL AND FAT SYNTHESIS
C. CELL MEMBRANES FACTORY (ALSO HAS RIBOSOMES ON ITS SURFACE)
D. POWERHOUSE OF THE CELL WHICH PRODUCES ATP
E. MAKES PROTEINS
F. CONTAINS DIGESTIVE ENZYMES THAT BREAKDOWN WORN OUT CELL STRUCTURES
Chapter 1 Solutions
WORLD OF CELL+MASTERING ACCESS >CUSTOM
Ch. 1 - What evidence led scientists to develop the basic...Ch. 1 - Why is a high degree of antibody-antigen...Ch. 1 - You have discovered a defective gene that allows...Ch. 1 - Prob. 1.3CCCh. 1 - The Historical Strands of Cell Biology. For each...Ch. 1 - QUANTITATIVE Cell Sizes. To appreciate the...Ch. 1 - QUANTITATIVE Sizing Things Up. To appreciate the...Ch. 1 - Problem Set QUANTITATIVE Limits of Resolution Then...Ch. 1 - The Contemporary Strands of Cell Biology. For each...Ch. 1 - The Facts of Life. Each of these statements was...
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