| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
In cell biology, where does DNA replication take place?
mitochondria |
|
Golgi apparatus |
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cytoplasm |
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nucleus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Plant cells may generate energy through which of the following?
anaerobic respiration |
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aerobic respiration |
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all of these |
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photosynthesis |
Some plant cells produce their own energy through photosynthesis which is the process by which sunlight, carbon dioxide, and water react to make sugar and oxygen. Animal cells cannot produce their own energy and, instead, generate energy when mitochondria consume outside sugar and oxygen through aerobic respiration.
Molecules and atoms that are outputs from a chemical reaction are known as which of the following?
reactants |
|
results |
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products |
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side effects |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
__________ is caused by a lack of Vitamin C.
scurvy |
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anemia |
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diabetes |
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shingles |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
Arteries carry __________ blood at __________ pressure.
deoxygenated, low |
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oxygenated, low |
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oxygenated, high |
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deoxygenated, high |
Veins carry blood back to the heart from the body. While arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood. Like the heart, veins contain valves to prevent blood backflow.