| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.03 |
| Score | 0% | 61% |
Which of the following represents the largest value?
1 cL |
|
1 kL |
|
1 ML |
|
1 mL |
Mega (M) is 106, kilo (k) is 103, centi (c) is 10-2, milli (m) is 10-3 so 1 ML represents the largest value.
Generally, an atom has __________ negative electrons orbiting the nucleus as it does positive protons inside.
more |
|
equal numbers of |
|
fewer |
|
double the number of |
An electron is a subatomic particle that orbits the nucleus of an atom. It carries a negative electric charge. Generally, an atom has the same number of negative electrons orbiting the nucleus as it does positive protons inside.
In cell biology, cytokinesis results in two separate:
chromosomes |
|
nuclei |
|
cells |
|
chromatids |
During cell division, the cytokinesis phase occurs when cytoplasm and cell membranes complete their separation resulting in two separate cells.
What is the body's largest artery?
capillary |
|
vena cava |
|
aorta |
|
arteriole |
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?
nucleotides |
|
helix |
|
gametes |
|
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.