| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.30 |
| Score | 0% | 66% |
As part of digestion, the liver produces bile which breaks down:
starches |
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fat |
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protein |
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sugars |
The liver produces bile which emulsifies (separates) fat.
A large naturally occurring community of flora and fauna occupying a major habitat is:
a population |
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a food chain |
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a community |
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a biome |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).
A transition zone between two air masses is called:
front |
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fog |
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boundary |
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thunderstorm |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
The two heart chambers that pump blood called:
valves |
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ventricles |
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atria |
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aorta |
The heart is the organ that drives the circulatory system. In humans, it consists of four chambers with two that collect blood called atria and two that pump blood called ventricles. The heart's valves prevent blood pumped out of the ventricles from flowing back into the heart.
In a eukaryotic cell, which organelles deal with proteins?
ribosomes |
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endoplasmic reticulum |
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all of these deal with proteins |
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Golgi apparatus |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles. Ribosomes produce proteins, endoplasmic reticulum helps synthesize proteins and fats, and Golgi apparatus prepares proteins for use.