Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 3.4, Problem 3CC
Summary Introduction
To explain:
The form that a membrane might take when it surrounds an oil droplet.
Concept introduction:
Lipids are the biological molecules that are large and which do not comprise of
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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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Cytoplasmic streaming in plants…
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is the unidirectional movement of the cytoplasmic material around the central vacuole of the cell.
creates a whip-like motion used for motility in organisms such as Euglena sp.
is the beating back and forth of short microtubules dispersed around the cell to create motion (e.g. Paramecium sp.).
pushes the cytoplasm to one end of the cell and causes the plasma membrane to extend outward as a pseudopod.
WHAT IF? If the plant cell wall or the animal extracellular matrix were impermeable, what effect would thishave on cell function?
Chapter 3 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 3.1 - How are gasoline and fat chemically similar?Ch. 3.1 - Which molecules in Figure 3.4a re isomers? For...Ch. 3.1 - Prob. 3CCCh. 3.1 - Prob. 4CCCh. 3.2 - How many molecules of water are needed to...Ch. 3.2 - WHAT IF? Suppose you eat a serving of fish. What...Ch. 3.3 - Write the formula for a monosaccharide that has...Ch. 3.3 - A dehydration reaction joins two glucose molecules...Ch. 3.3 - WHAT IF? After a cow is given antibiotics to treat...Ch. 3.4 - Compare the structure of a fat (triglyceride) with...
Ch. 3.4 - Why are human sex hormones considered lipids?Ch. 3.4 - Prob. 3CCCh. 3.5 - Why does a denatured protein no longer function...Ch. 3.5 - What parts of a polypeptide participate in the...Ch. 3.5 - WHAT IF? Where would you expect a polypeptide...Ch. 3.6 - DRAW IT Go to Figure 3.27a and, for the top three...Ch. 3.6 - Prob. 2CCCh. 3.7 - How would sequencing the entire genome of an...Ch. 3.7 - Given the function of DNA, why would you expect...Ch. 3 - Prob. 1TYUCh. 3 - Which functional group is not present in this...Ch. 3 - MAKE CONNECTIONS Which chemical group is most...Ch. 3 - Prob. 4TYUCh. 3 - Which of the following statements concerning...Ch. 3 - The structural level of a protein least a fleeted...Ch. 3 - Enzymes that break down DNA catalyze the...Ch. 3 - Prob. 8TYUCh. 3 - The molecular formula for glucose is C6H12O6. What...Ch. 3 - Construct a table that organizes the following...Ch. 3 - Prob. 11TYUCh. 3 - Prob. 12TYUCh. 3 - FOCUS ON ORGANIZATION Proteins, which have diverse...Ch. 3 - Prob. 14TYUCh. 3 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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