| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.51 |
| Score | 0% | 70% |
What part of the brain is responsible for the major senses (thinking, hearing, seeing)?
medulla |
|
brainstem |
|
cerebellum |
|
cerebrum |
The cerebrum is the major part of the brain and is responsible for the main senses (thinking, hearing, seeing).
Plant cells are surrounded by:
only a cell wall |
|
neither a cell membrane nor a cell wall |
|
only a cell membrane |
|
a cell membrane and a cell wall |
Animal cells are surrounded by a semipermeable membrane which allows for the transfer of water and oxygen to and from the cell. In plant cells, the cell membrane is surrounded by a somewhat rigid cell wall which provides the cell structure and support.
An air mass is a large body of air that has which of the following characteristics?
similar moisture |
|
all of these |
|
similar density |
|
similar temperature |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.
Convert -20C° to F°.
36 |
|
78 |
|
-4 |
|
-36 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(-20) + 32\)
\(F° = {-180 \over 5} + 32\)
\(F° = -36 + 32 = -4\)
Which of these is not a type of fat?
cholesterol |
|
monounsaturated |
|
polyunsaturated |
|
saturated |
Fats come in three types, saturated (meats, shellfish, eggs, milk), monounsaturated (olives, almonds, avocados), and polyunsaturated (vegetable oils).