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Chapter 2 B

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1.
1 point
A tumor is a mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably.
2.
1 point
What is the major cause of lung cancer?
3.
1 point
The raw materials for respiration are the end products for photosynthesis
4.
1 point
What captures energy from sunlight during photosynthesis?
5.
1 point
What happens during photosynthesis?
6.
1 point
Cancer is a disease in which cells
7.
1 point
What is copied during replication?
8.
1 point
During what stage of the cell cycle does replication occur?
9.
1 point
Radiation is more harmful to normal cells than to cancerous cells.
10.
1 point
Scientists think cancer begins when
11.
1 point
A heterotroph is an organism that cannot make its own food.
12.
1 point
What is chemotherapy?
13.
1 point
Under which of the following conditions is lactic-acid fermentation most likely to occur?
14.
1 point
Photosynthesis and respiration form a cycle that keeps the levels of water and carbon dioxide fairly constant in the atmosphere
15.
1 point
Together, respiration and photosynthesis keep the levels of carbon dioxide and oxygen in the atmosphere
16.
1 point
The stage of the cell cycle that follows mitosis is called
17.
1 point
How does photosynthesis benefit heterotrophs?
18.
1 point
Plants use energy from the sun to produce carbon dioxide and sugars
19.
1 point
A cell replicates the DNA during the stage of the cell cycle called interphase.
20.
1 point
The regular cycle of growth and division that cells undergo is called
21.
1 point
Carbon dioxide enters plants through the
22.
1 point
In a DNA molecule, guanine always pairs with thymine.
23.
1 point
Cancerous cells grow in an abnormal way.
24.
1 point
What happens during cytokinesis in animal cells?
25.
1 point
What are the products of photosynthesis?
26.
1 point
The energy-releasing process that does not require oxygen is called
27.
1 point
What are chromatids?
28.
1 point
What factors may lead to almost as many cancer deaths as does tobacco?
29.
1 point
What is a cancer tumor?
30.
1 point
What happens during respiration?
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