Biology: The Dynamics of Life, North Carolina Edition

Chapter 8: Cellular Transport and the Cell Cycle

Cellular Transport and the Cell Cycle

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What level of organization is shown in Figure 8-7?
A)organ
B)organism
C)organ system
D)tissue
2
Which of the following structures is the most complex?
A)organ system
B)organ
C)cell
D)tissue
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If cancer is present, what is the likely explanation for what happened to cells B and D?
A)they died off on due to natural causes
B)they were harmed by radiation therapy
C)they thrived with the cancerous cells
D)they died off because the cancerous cells deprived them of nutrients
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Which of the cells depicted in the line graph in Figure 8-8 are most likely cancerous?
A)C
B)A
C)B
D)D
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Which conditions shown in Figure 8-4 might cause a cell to burst?
A)B
B)C
C)A
D)D
6
A cell moves particles from a region of lesser concentration to a region of greater concentration by _____.
A)passive transport
B)facilitated diffusion
C)osmosis
D)active transport
7
A gene is a segment of DNA that controls the production of _____.
A)centromeres
B)microtubules
C)proteins
D)carbohydrates
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The chromosomes shown in Figure 8-6 are in which stage of mitosis?
A)telophase
B)metaphase
C)prophase
D)anaphase
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By the end of prophase, each of the following has occurred except _____.
A)lining up of chromosomes in the cell
B)breaking down of the nuclear envelope
C)disappearing of the nucleolus
D)tighter coiling of the chromosomes
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What cell process is responsible for the effect shown in Figure 8-5?
A)passive transport
B)osmosis
C)active transport
D)facilitated diffusion
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