| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.57 |
| Score | 0% | 71% |
Which of these is not a phase in cell division?
interphase |
|
anaphase |
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megaphase |
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cytokinesis |
Cell division is the process by which cells replicate genetic material in the nucleus and consists of several phases, beginning with interphase and ending with cytokinesis.
An air mass is a large body of air that has which of the following characteristics?
similar temperature |
|
similar moisture |
|
similar density |
|
all of these |
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.
In cell biology, where does DNA replication take place?
nucleus |
|
mitochondria |
|
Golgi apparatus |
|
cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
In the food chain, bacteria and fungi convert the organic matter in the dead bodies of plants and animals into simple nutrients. Bacteria and fungi are:
producers |
|
primary consumers |
|
scavengers |
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decomposers |
Decomposers (saprotrophs) are organisms such as bacteria and fungi that break down the organic matter in the dead bodies of plants and animals into simple nutrients.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
blood cells |
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bronchioles |
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capillaries |
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diaphragms |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.