| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.23 |
| Score | 0% | 65% |
In cell biology, what part of the cell contains organelles?
cell wall |
|
cell membrane |
|
nucleus |
|
cytoplasm |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
Which of the following does not represent the freezing point of water?
273K |
|
0°F |
|
32°F |
|
0°C |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
Which of the following is the formula for power?
\(P = \vec{w}t\) |
|
\(P = w t\) |
|
\(P = {\vec{w} \over t}\) |
|
\(P = {w \over t}\) |
Power is the rate at which work is performed or work per unit time: \(P = {w \over t}\) and is measured in watts (W).
In the food chain, consumers are classified as which of the following?
tertiary |
|
primary |
|
all of these |
|
secondary |
Most animals consume other organisms to survive. Consumers (heterotrophs) are divided into three types, primary, secondary, and tertiary, based on their place in the food chain.
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
saturated fat |
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fiber |
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unsaturated fat |
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protein |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.