| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.79 |
| Score | 0% | 76% |
Plant cells may generate energy through which of the following?
anaerobic respiration |
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all of these |
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aerobic respiration |
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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.
What is a major difference between the somatic and autonomic nervous systems?
one controls voluntary activity, one controls involuntary activity |
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one is inherited, the other is learned |
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each belongs to a different nervous system |
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one controls thinking, the other controls feeling |
Both are part of the peripheral nervous system. The somatic nervous system sends sensory information to the central nervous system and controls voluntary actions while the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
Which of the following is not a base unit in the metric system?
gram |
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degree Fahrenheit |
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liter |
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meter |
The Fahrenheit scale is used for measuring temperature in the British system. The metric system uses the Celsius scale.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
blood cells |
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bronchioles |
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diaphragms |
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capillaries |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
Food is mixed with gastric acid and pepsin in the __________ to help break down protein.
small intestine |
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mouth |
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large intestine |
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stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.