| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
In cell biology, where does DNA replication take place?
nucleus |
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Golgi apparatus |
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mitochondria |
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cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
The rows of the Periodic Table of the Elements are called:
groups |
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periods |
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shells |
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families |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
Which of the following is not true about simple magnets?
opposite poles repel each other |
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all of these are untrue |
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same poles repel each other |
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opposite poles attract each other |
Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.
In the pancreas, lipase converts fat to:
amino acids |
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complex carbohydrates |
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simple sugars |
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glycerol and fatty acids |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebellum |
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medulla |
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brainstem |
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cerebrum |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.