| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.43 |
| Score | 0% | 69% |
Minerals, vitamins, and fiber are:
carbohydrates |
|
macronutrients |
|
micronutrients |
|
proteins |
Minterals, vitamins, and fiber are micronutrients while proteins, carbohydrates, and fats are macronutrients.
Which of the following is not a method of heat transfer?
radiation |
|
reflection |
|
conduction |
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convection |
Heat is always transferred from warmer to cooler environments through conduction, convection, or radiation.
Menstruation occurs when:
the fetus is formed |
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the ovum fails to become fertilized |
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the ovum becomes fertilized |
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the zygote is formed |
If the ovum fails to become fertilized, the lining of the uterus sloughs off during menstruation. From puberty to menopause, this cycle of menstruation repeats monthly (except during pregnancy).
An element in the physical state of __________ maintains neither a constant volume nor a constant shape.
gas |
|
solid |
|
plasma |
|
liquid |
The gaseous state occurs at a higher temperature range than the solid and liquid states of the same substance. In this state, molecules flow very freely around each other and will spread out as far as they're able. Gases maintain neither a constant volume nor a constant shape.
In cell biology, what part of the cell contains organelles?
cytoplasm |
|
cell wall |
|
nucleus |
|
cell membrane |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.