| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.14 |
| Score | 0% | 63% |
In the metric system, what prefix represents 10-3?
kilo |
|
milli |
|
mega |
|
centi |
In the metric system, milli is the prefix for 10-3.
The small intestine utilizes enzymes produced where?
small intestine |
|
liver |
|
all of these are correct |
|
pancreas |
The small intestine is where most digestion takes place. As food travels along the small intestine it gets broken down completely by enzymes secreted from the walls. These enzymes are produced in the small intestine as well as in the pancreas and liver. After the enzymes break down the food, the resulting substances are then absorbed into the blood via capillaries in the small intestine walls.
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
conduction |
|
reflection |
|
radiation |
|
convection |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
Within DNA, a variety of a particular gene is called a(n):
chromosome |
|
allele |
|
heterozygous |
|
homozygous |
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.
__________ and __________ pair to strengthen bones.
calcium, vitamin A |
|
vitamin D, calcium |
|
vitamin D, magnesium |
|
iron, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.