| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.19 |
| Score | 0% | 64% |
Convert 5C° to F°.
41 |
|
27 |
|
-23 |
|
37 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
An element in the physical state of __________ maintains a constant volume and shape.
solid |
|
gas |
|
liquid |
|
gel |
An element in a solid state has atoms or molecules that are constricted and do not move freely. Solids maintain a constant volume and shape and exist at a lower temperature than liquids or gases.
Blood pressure is generally highest in which of the following?
capillaries |
|
veins |
|
arteries |
|
heart |
Arteries are thick-walled because they carry oxygenated blood at high pressure, veins are comparatively thin-walled as they carry low-pressure deoxygenated blood.
Which of the following describes how a person's genes express themselves in physical characteristics?
chromotype |
|
phenotype |
|
DNA |
|
genotype |
A person's genotype is their genetic makeup and includes both dominant and recessive alleles. Phenotype is how the genes express themselves in physical characteristics.
In the classification of life, which of the following is not a domain?
bacteria |
|
animalia |
|
archaea |
|
eukaryota |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.