| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.83 |
| Score | 0% | 57% |
When compared to eukaryotic cells, prokaryotic cells are:
more complex |
|
less complex |
|
none of these |
|
similarly complex |
Cells are classified into one of two groups based on whether or not they have a nucleus. Eukaryotic cells have a nucleus, prokaryotic cells do not have a nucleus and therefore have a less complex structure than eukaryotic cells.
Which of the following does not represent the freezing point of water?
0°C |
|
32°F |
|
0°F |
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273K |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
Which of these digestive enzymes is not produced by the pancreas?
trypsin |
|
lipase |
|
gastric acid |
|
pancreatic amylase |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
During digestion, after proteins are broken down where does the undigested food go next?
large intestine |
|
esophagus |
|
stomach |
|
small intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
The Rh factor antigen in blood determines:
universal donor status |
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blood type |
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universal recipient status |
|
postive or negative |
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.