| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.95 |
| Score | 0% | 59% |
Cellular fermentation takes place:
in the presence of oxygen |
|
aerobically |
|
anaerobically |
|
in plant cells |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
|
small intestine |
|
esophagus |
|
stomach |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The first step in the water cycle is:
infiltration |
|
reclamation |
|
precipitation |
|
evaporation |
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.
Regulation of heart rhythm occurs in:
cerebrum |
|
nerves |
|
medulla |
|
cerebellum |
Part of the brainstem, the medulla is the connection between the brain and the spinal cord. It controls involuntary actions like breathing, swallowing, and heartbeat.
In cell biology, where does DNA replication take place?
mitochondria |
|
cytoplasm |
|
nucleus |
|
Golgi apparatus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.