CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Chapter 5.3, Problem 3CC
Summary Introduction
To explain: The shape of the membrane surrounding an oil droplet.
Concept introduction:
The membranes that form the cell membranes and oil droplets contain phospholipids. The phospholipids have hydrophilic head and hydrophobic tails.
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Questions
1. A) If the potato cells were hypotonic to the surrounding solution, the surrounding solution itself
would be what to the potato cells (hypertonic, hypotonic, or isotonic)?
B) Were the potato cells submerged in water with no salt hypertonic, hypotonic, or isotonic to the
surrounding environment?
C) Were the potato cells submerged in 5 g/100mL salt solution hypertonic, hypotonic, or isotonic to
the surrounding environment?
D) Look at your graph. At approximately what concentration of salt solution would the potato cells
have likely been isotonic with the surrounding solution? [Tip: Estimate approximately at what
concentration there would have been no change in the average length of potato strips.]
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The fluid mosaic model was first proposed by S.J. Singer and Grath L. Nicolson in 1972 to explain the structure of the plasma membrane.
Discuss the structure of the different lipid molecules within the plasma membrane and relate it to their functions in the animal cell. You may choose any animal cell that you have learnt biology
By mean of diagram compare the structure of a plant cell and animal cell .
Chapter 5 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 5.1 - What are the four main classes of large biological...Ch. 5.1 - How many molecules of water are needed to...Ch. 5.1 - WHAT IF? If you eat a piece of fish, what...Ch. 5.2 - Write the formula for a monosaccharide that has...Ch. 5.2 - Prob. 2CCCh. 5.2 - WHAT IF? After a cow is given antibiotics to...Ch. 5.3 - Compare the structure of a fat (triglyceride) with...Ch. 5.3 - Why are human sex hormones considered lipids?Ch. 5.3 - Prob. 3CCCh. 5.4 - What parts of a polypeptide participate in the...
Ch. 5.4 - Prob. 2CCCh. 5.4 - Prob. 3CCCh. 5.4 - WHAT IF? Where would you expect a polypeptide...Ch. 5.5 - Prob. 1CCCh. 5.5 - Prob. 2CCCh. 5.6 - How would sequencing the entire genome of an...Ch. 5.6 - Given the function of DNA, why would you expect...Ch. 5 - What is the fundamental basis for the differences...Ch. 5 - Compare the composition, structure, and function...Ch. 5 - Why are lipids not considered to be polymers or...Ch. 5 - Explain the basis for the great diversity of...Ch. 5 - What role does complementary base pairing play in...Ch. 5 - Prob. 5.6CRCh. 5 - Which of the following categories includes all...Ch. 5 - The enzyme amylase can break glycosidic linkages...Ch. 5 - Prob. 3TYUCh. 5 - The structural level of a protein least affected...Ch. 5 - Enzymes that break down DNA catalyze the...Ch. 5 - The molecular formula for glucose is C6H12O6. What...Ch. 5 - Which of the following pairs of base sequences...Ch. 5 - Construct a table that organizes the following...Ch. 5 - Prob. 9TYUCh. 5 - EVOLUTION CONNECTION Comparisons of amino acid...Ch. 5 - SCIENTIFIC INQUIRY Suppose you are a research...Ch. 5 - WRITE ABOUT A THEME: ORGANIZATION Proteins, which...Ch. 5 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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- In the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the internal bilayer. phospholipids often flip-flop between the inner and outer layers. the mosaic refers to proteins attached to the underlying cytoskeleton. the fluid refers to the phospholipid bilayer. the mosaic refers to the symmetry of the internal membrane proteins and sterols.arrow_forwardThe plant wall allows for plant cells to swell under large internal pressure, what membrane lined passage allows for rapid movement of polar molecules between cells?arrow_forwardThe following diagram shows the effect of osmotic concentration on a plant cell. Using the terms isotonic, hypertonic and hypotonic identify what is happening in each cell and state what each term means and which cell it applies to. Plant cells cell wall -nucleus cell membrane -central vacuole -chloroplast Paragraph B I U v A !!! liliarrow_forward
- Suppose a membrane surrounded an oil droplet, as it does in the cells of plant seeds and in some animal cells. Describe and explain the form it might take.arrow_forwardWhat might occur in a cell lacking lysosomes? Select all that apply. Check All That Apply The pH of the cell would be too low. Old and worn-out cell parts would not be recycled. Synthesis of large polymers would be prevented.arrow_forwardCan anybody suggest mixtures of phospholipids and/or sterols to better mimic plant plasma membranes?arrow_forward
- Part D - The Golgi Apparatus Label the diagram below by dragging and dropping the descriptions. Each label will be used only once. ▸ View Available Hint(s) ‒‒‒‒‒‒ Transport vesicles arriving from the endoplasmic reticulum Forming (cis) face Cisternae Maturing (trans) face Secretory vesicle departing for the plasmalemma Plasmalemma Reset Help Lysosome containing digestive enzymesarrow_forwardb) The dingram ahows some other cells. Size of image E magnitica tion s mm/e 35 mm. asmm 100OX. i) Give three features of theses cells which show that they were part of a plant. ii) Make a drawing of cell X. Your drawing must be four times larger than cells X in the diagram. 2. Which of the following is not part of an animal cell? Nucleus Cell membrane Cytoplasm Cellulose cell wall 3. One difference between green plants and animals is that green plants have Chloroplasts Cytoplasm Nucleus Cell membranearrow_forwardYou are studying how a newly discovered virus in bats enters their cells. When you examine cells that have taken up the virus, you find virus particles inside clathrin-coated vesicles. What membrane transport mechanismis the virus using to get inside the bat cells? Diatoms are protists that have complex glassy structures in their cell walls. These structures form within the Golgi apparatus. How do these structures reach the cell wall without having to pass through the plasma membrane? What is the evolutionary advantage of bacteria that have flagella vs. bacteria that do not?arrow_forward
- (a)Aquaporins and membrane channel protein in plant and animal,they permit the movement of water across the membrane.Explain why this is necessary.(b) Explain the importance of cell surface membrane to cellarrow_forward1 In the space below, draw three plants cells: one that is turgid, one that is flaccid, and one that is plasmolyzed. Indicate with arrows the direction of the net movement of water across the cell membrane. Feel free to draw these in a notebook, then uploading a photo below. It’s also ok if you use some program like Paint. 2 Underneath each cell you drew above, label whether the plant that cell represents was placed in a hypertonic, hypotonic, or isotonic solution. 3 Design and describe an experiment using celery stalks to demonstrate how certain conditions will cause a loss or gain of turgor pressure. In order to follow the scientific method, your description should start with an observation and be followed by: a. a testable hypothesis, b. an outline of the experiment that will test the hypothesis, c. a description of the type of data that will be collected, and d. a possible conclusion that could likely be made after completing the experiment and analyzing the data.arrow_forwardSimulation of cell membrane In an experiment, a drop of egg white was added to the oil. What will happen next? What does the egg white represent? what does the oil represent?arrow_forward
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