| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.21 |
| Score | 0% | 64% |
What kind of weather front is likely to create clouds and storms?
warm front |
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cold front |
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temperate front |
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stationary front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
In cell biology, where does DNA replication take place?
mitochondria |
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Golgi apparatus |
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nucleus |
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cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
A dominant trait will be expressed when paired with:
a gene |
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a chromosome |
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a recessive trait |
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a dominant trait |
The traits represented by genes are inherited independently of each other (one from the male and one from the female gamete) and a trait can be dominant or recessive. A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.
Small rocks shed by asteroids and comets that reach the earth are called:
meteoroids |
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meteorites |
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shooting stars |
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meteors |
Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.
In the metric system, what prefix represents 10-3?
centi |
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mega |
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milli |
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kilo |
In the metric system, milli is the prefix for 10-3.