| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.08 |
| Score | 0% | 62% |
Minerals, vitamins, and fiber are:
carbohydrates |
|
macronutrients |
|
micronutrients |
|
proteins |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
Which of the following is igneous rock?
shale |
|
marble |
|
granite |
|
sandstone |
The Earth's rocks fall into three categories based on how they're formed. Igneous rock (granite, basalt, obsidian) is formed from the hardening of molten rock (lava), sedimentary rock (shale, sandstone, coal) is formed by the gradual despositing and cementing of rock and other debris, and metamorphic rock (marble, slate, quartzite) which is formed when existing rock is altered though pressure, temperature, or chemical processes.
During digestion, after proteins are broken down where does the undigested food go next?
small intestine |
|
esophagus |
|
stomach |
|
large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
In cell biology, where does DNA replication take place?
cytoplasm |
|
mitochondria |
|
nucleus |
|
Golgi apparatus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Which of the following does not represent the freezing point of water?
273K |
|
0°C |
|
32°F |
|
0°F |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.