| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.13 |
| Score | 0% | 63% |
In cell biology, what part of the cell contains organelles?
cytoplasm |
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cell membrane |
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cell wall |
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nucleus |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
Which of these is not a recognized blood type?
AB |
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AO |
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O |
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B |
Blood is categorized into four different types (A, B, AB, and O) based on the type of antigens found on the outside of the red blood cells. Additionally, each type can be negative or positive based on whether or not the cells have an antigen called the Rh factor.
Which of the following is not true about mass and weight?
mass is the amount of matter something has |
|
weight is the force exerted on an object by gravity |
|
weight depends on the location where it is measured |
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mass depends on the location where it is measured |
Mass is the amount of matter something has while weight is the force exerted on an object's mass by gravity. So, although a person's mass doesn't change when going from the Earth to the Moon, their weight will decrease because the force of the Moon's gravity is much less than that of Earth.
Which of the following does not represent the freezing point of water?
0°C |
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32°F |
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0°F |
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273K |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
Poor balance could indicate an issue with which part of the nervous system?
cerebrum |
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medulla |
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spinal cord |
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cerebellum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.