| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.25 |
| Score | 0% | 65% |
In cell biology, where does DNA replication take place?
Golgi apparatus |
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mitochondria |
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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.
The two heart chambers that collect blood are called:
atria |
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ventricles |
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valves |
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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.
These clouds grow upward and can develop into cumulonimbus or thunderstorm clouds.
nimbus clouds |
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cirrus clouds |
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cumulus clouds |
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stratus clouds |
Cumulus clouds are large, puffy, mid-altitude clouds with a flat base and a rounded top. These clouds grow upward and can develop into a cumulonimbus or thunderstorm cloud.
The ovum and oviduct are part of which bodily system?
circulatory |
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digestive |
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reproductive |
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nervous |
Approximately every 28 days during female ovulation an egg (ovum) is released from one of the ovaries and travels through the oviduct (fallopian tube) and into the uterus. At the same time, the endometrial lining of the uterus becomes prepared for implantation.
The Rh factor antigen in blood determines:
blood type |
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universal donor status |
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postive or negative |
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universal recipient status |
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.