Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 4, Problem 7TYU
SCIENTIFIC INQUIRY In studying micrographs of an unusual protist (single-celled eukaryote) that you found in a sample of pond water, you spot an organelle that you can’t recognize. You successfully develop a method for growing this organism in liquid in the laboratory. Describe how you would go about finding out what this organelle is and what it does in the cell. Assume that you would make use of additional microscopy, cell fractionation, and biochemical tests.
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Chapter 4 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 4.1 - Prob. 1CCCh. 4.1 - Prob. 2CCCh. 4.2 - Briefly describe the structure and function of the...Ch. 4.2 - Prob. 2CCCh. 4.3 - What role do ribosomes play in carrying out...Ch. 4.3 - Describe the molecular composition of nucleoli,...Ch. 4.3 - WHAT IF? As a cell begins the process of dividing,...Ch. 4.4 - Describe the structural and functional...Ch. 4.4 - Describe how transport vesicles integrate the...Ch. 4.4 - WHAT IF? Imagine a protein that functions in the...
Ch. 4.5 - Describe two characteristics shared by...Ch. 4.5 - Prob. 2CCCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - WHAT IF? Males afflicted with Kartageners syndrome...Ch. 4.7 - In what way are the cells of plants and animals...Ch. 4.7 - Prob. 2CCCh. 4.7 - MAKE CONNECTIONS The polypeptide chain that makes...Ch. 4.8 - Colpidium colpoda is a unicellular protist that...Ch. 4 - Which structure is not part of the endomembrane...Ch. 4 - Which structure is common to plant and animal...Ch. 4 - Which of the following is present in a prokaryotic...Ch. 4 - Cyanide binds to at least one molecule involved in...Ch. 4 - Which cell would be best for studying lysosomes?...Ch. 4 - DRAW IT From memory, draw two eukaryotic cells....Ch. 4 - SCIENTIFIC INQUIRY In studying micrographs of an...Ch. 4 - FOCUS ON EVOLUTION Compare different aspects of...Ch. 4 - FOCUS ON ORGANIZATION Considering some of the...Ch. 4 - Prob. 10TYU
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- You are using a computer program to design a new single-celled organism. Discuss why a flat, plate-like cell will be more efficient in transporting materials than a spherical, ball-like cell of the same volume.arrow_forwardWhat differences are there between a free-living, single-celled organism such as a paramecium and a single human cell such as a ciliated cell of the respiratory tract? Use cited.arrow_forwardMany microscopy techniques use cell characteristics, such as differences in absorption, refraction, or even light polarization. Fluorescence microscopy provides an image from a single molecular species, simply by looking at the fluorescence emission. How does fluorescence microscopy compare to other techniques? A.Image the location, diffusion or even transport of intracellular molecules.B.Accurately calculate the cytosol refractive index of a cellC.Count the number of cellsD.Accurately measure kernel sizearrow_forward
- PART D: CALCULATING THE ACTUAL SIZE OF A CELL. Once you know your microscope's diameter of the field of view, you can now calculate the actual size of your specimen. t you The ACTUAL SIZE of the specimen is the real size of the cell you are looking at. When you look at the cells through the microscope, the cells look very tiny. It is possible to determine the actual size of the cells you are looking at under LP.MP and HP. We will determine the actual size of a cell under HP. Step 1- Look at the cells under HP MAG. Step 2- Pick one cell you want to know the size of. Step 3- Imagine that this cell is placed along the left side of the field of view. (see example) Step 4-Estimate how many cels could fit across the field of view. 5- Record your answer Step 6- Use the formula below to calculate the actual size of your cell NOTE: Cells are very tiny therefore; the size of a cell is calculated in micrometers (um) and not mm. Cell size in (mm) ACTUAL SIZE OF CELL= HIGH POWERFOV.diameter of…arrow_forwardYou are observing a cell in the microscope at 100X and determine that it has a length of 15 ocular units (o.u.). What is the actual length of the cell? Question options: 150 µm 0.15 µm 15 µm 1,500 µmarrow_forwardAn organism can be just a single cell such as a bacterium or can be made up of trillions of cells like humans. However, each cell is like a machine. It has many parts and each works in concert with the other. In this post, you will demonstrate an understanding of the functions of organelle and how they work together in cells. Pick one cell organelle, describe its structure and function and then discuss how it works with another cell organelle. Don't forget to add a question to get the class engaged in discussion.arrow_forward
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