| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.99 |
| Score | 0% | 60% |
During digestion, after proteins are broken down where does the undigested food go next?
small intestine |
|
stomach |
|
esophagus |
|
large intestine |
Food is mixed with gastric acid and pepsin in the stomach to help break down protein.
Which of the following describes the Earth's outer core?
solid |
|
liquid |
|
makes up most of the Earth's volume |
|
primarily solid |
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).
A subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. This desribes which of the following?
electron |
|
isotope |
|
proton |
|
neutron |
An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.
DNA is encoded through a combination of which of the following?
gametes |
|
helix |
|
nucleotides |
|
genes |
Deoxyribonucleic acid (DNA) is the molecule that contains genetic information. DNA is encoded through a combination of nucleotides that bind together in a specific double helix pattern.
Traits represented by genes may be which of the following?
recessive |
|
dominant |
|
expressed |
|
all of these |
The traits represented by genes are inherited independently of each other (one from the male and one from the female gamete) and a trait can be dominant or recessive. A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.