| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.15 |
| Score | 0% | 63% |
In the metric system, what prefix represents 10-3?
mega |
|
milli |
|
kilo |
|
centi |
In the metric system, milli is the prefix for 10-3.
The Rh factor antigen in blood determines:
blood type |
|
universal recipient status |
|
universal donor 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.
Which of these layers is found directly below the Earth's crust?
continents |
|
outer core |
|
inner core |
|
mantle |
The crust is the Earth's outermost layer and is divided into oceanic and continental types. Oceanic crust is 3 miles (5 km) to 6 miles (10 km) thick and is composed primarily of denser rock. Continental crust is 20 to 30 miles (30 to 50 km) thick and composed primarily of less dense rock. The crust makes up approximately one percent of the Earth's total volume.
Respiration is the process by which __________ absorb oxygen and eliminate carbon dioxide.
capillaries |
|
bronchioles |
|
diaphragms |
|
blood cells |
The respiratory system manages respiration which is the process by which blood cells absorb oxygen and eliminate carbon dioxide.
In cell biology, where does DNA replication take place?
nucleus |
|
cytoplasm |
|
mitochondria |
|
Golgi apparatus |
The cell nucleus contains the genetic material of the cell and is where DNA replication takes place.