| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.94 |
| Score | 0% | 59% |
During digestion, after proteins are broken down where does the undigested food go next?
small intestine |
|
large intestine |
|
stomach |
|
esophagus |
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?
mitochondria |
|
Golgi apparatus |
|
nucleus |
|
cytoplasm |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.
Molecules and atoms that are inputs to a chemical reaction are known as which of the following?
components |
|
reactants |
|
fuel |
|
products |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
Which of the following describes the Earth's outer core?
solid |
|
primarily solid |
|
makes up most of the Earth's volume |
|
liquid |
The Earth's core is divided into the liquid outer core (1,430 miles or 2,300 km radius) and the solid inner core (745 miles or 1,200 km radius).
__________ and __________ pair to strengthen bones.
vitamin D, magnesium |
|
iron, calcium |
|
calcium, vitamin A |
|
vitamin D, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.