| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.42 |
| Score | 0% | 68% |
In the metric system, what prefix represents 10-3?
mega |
|
kilo |
|
milli |
|
centi |
In the metric system, milli is the prefix for 10-3.
A dominant trait will be expressed when paired with:
a gene |
|
a chromosome |
|
a recessive trait |
|
a dominant trait |
The traits represented by genes are inherited independently of each other (one from the male and one from the female gamete) and a trait can be dominant or recessive. A dominant trait will be expressed when paired with a recessive trait while two copies of a recessive trait (one from each parent) must be present for the recessive trait to be expressed.
Which of these digestive enzymes is not produced by the pancreas?
pancreatic amylase |
|
gastric acid |
|
trypsin |
|
lipase |
The acids produced by the pancreas contain several enzymes that aid in digestion. Lipase converts fat to glycerol and fatty acids. Pancreatic amylase breaks down complex carbohydrates into simple sugars. Trypsin converts polypeptides (the building blocks of protein) into amino acids.
In the classification of life, which of the following is not a domain?
animalia |
|
archaea |
|
eukaryota |
|
bacteria |
The broadest classification of life splits all organisms into three groups called domains. The three domains of life are bacteria, archaea and eukaryota.
A person's genotype is their genetic makeup and includes:
dominant alleles |
|
phenotypes |
|
recessive alleles |
|
both dominant and recessive alleles |
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.