| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.37 |
| Score | 0% | 67% |
Within DNA, a variety of a particular gene is called a(n):
homozygous |
|
chromosome |
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heterozygous |
|
allele |
The gene is the base unit of inheritance and is contained within DNA. A gene may come in several varieties (alleles) and there are a pair of alleles for every gene. If the alleles are alike, a person is homozygous for that gene. If the alleles are different, heterozygous.
What part of the brain is responsible for for balance, movement, and muscle coordination?
cerebellum |
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cerebrum |
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medulla |
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brainstem |
The cerebellum is a large cluster of nerves at the base of the brain that's responsible for balance, movement, and muscle coordination.
A subatomic particle found in the nucleus of an atom. It carries a positive electric charge. This desribes which of the following?
neutron |
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electron |
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proton |
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atom |
A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.
Examples of tertiary consumers include:
fish |
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sharks |
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cows |
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chickens |
Tertiary consumers eat primary consumers and secondary consumers and are typically carnivorous predators. Tertiary consumers may also be omnivores. Examples include wolves, sharks, and human beings.
Which of the following is the correct order for types of radiation from longest to shortest wavelength?
infrared waves → microwaves → ultraviolet light |
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visible light → ultraviolet light → radio waves |
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microwaves → radio waves → visible light |
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radio waves → visible light → gamma rays |
The electromagnetic spectrum covers all possible wavelengths and frequencies of radiation. From lowest frequency (longest wavelength) to highest frequency (shortest wavelength) radiation: radio waves → microwaves → infrared waves → visible light → ultraviolet light → X-rays → gamma rays.