| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.35 |
| Score | 0% | 67% |
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
neutron |
|
electron |
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proton |
|
atom |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic mass |
|
atomic number |
|
atomic weight |
|
number of electron shells |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
Convert 0C° to F°.
16 |
|
0 |
|
32 |
|
-32 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(0) + 32\)
\(F° = 0 + 32 = 32\)
In cell biology, cytokinesis results in two separate:
chromosomes |
|
cells |
|
nuclei |
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chromatids |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
Which of these foods should a person with high cholesterol avoid?
vegetable oils |
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olive oil |
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avocados |
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eggs |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils). Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.