| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.40 |
| Score | 0% | 48% |
Cellular fermentation takes place:
anaerobically |
|
in the presence of oxygen |
|
in plant cells |
|
aerobically |
If no oxygen is present, cellular respiration is anaerobic and will result in fermentation where either lactic acid or alcohol is used instead of oxygen.
Within DNA, a variety of a particular gene is called a(n):
homozygous |
|
chromosome |
|
allele |
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heterozygous |
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.
Blood is circulated throughout the body via:
aorta |
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veins |
|
capillaries |
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arterioles |
The aorta is the body's largest artery and receives blood from the pulmonary vein via the left ventricle. From there, blood is circulated through the rest of the body through smaller arteries called arterioles that branch out from the heart. Finally, blood is delivered to bodily tissues through capillaries.
DNA is encoded through a combination of which of the following?
gametes |
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nucleotides |
|
helix |
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genes |
Deoxyribonucleic acid (DNA) is the molecule that contains genetic information. DNA is encoded through a combination of nucleotides that bind together in a specific double helix pattern.
Elements that belong to the same period in the Periodic Table of the Elements have the same number of:
protons |
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atomic mass units |
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electron shells |
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electrons |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.