| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.55 |
| Score | 0% | 51% |
In cell biology, what part of the cell contains organelles?
nucleus |
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cell wall |
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cell membrane |
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cytoplasm |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
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cerebellum |
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brainstem |
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cerebrum |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
Scalar quantities are fully described by which of the following?
a magnitude only |
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a direction only |
|
a magnitude and a polarity |
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a magnitude and a direction |
Velocity and displacement are vector quantities which means each is fully described by both a magnitude and a direction. In contrast, scalar quantities are quantities that are fully described by a magnitude only. A variable indicating a vector quantity will often be shown with an arrow symbol: \(\vec{v}\)
During the water cycle, water enters the atmosphere as a gas through which process?
both evaporation and transpiration |
|
transpiration |
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evaporation |
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precipitation |
The water (hydrologic) cycle describes the movement of water from Earth through the atmosphere and back to Earth. The cycle starts when water evaporates into a gas from bodies of water like rivers, lakes and oceans or transpirates from the leaves of plants.
In the metric system, what prefix represents 10-3?
centi |
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milli |
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kilo |
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mega |
In the metric system, milli is the prefix for 10-3.