| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.40 |
| Score | 0% | 68% |
Saturated fats can __________ LDL ("bad") cholesterol while unsaturated fats can __________ it.
decrease, raise |
|
raise, decrease |
|
stabilize, raise |
|
decrease, stabilize |
Saturated fats can raise LDL ("bad") cholesterol while unsaturated fats can decrease it.
Within DNA, a variety of a particular gene is called a(n):
chromosome |
|
homozygous |
|
allele |
|
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.
The heart __________ blood.
creates |
|
deoxygenates |
|
filters |
|
oxygenates |
To provide oxygen to the body, blood flows through the heart in a path formed by the right atrium → right ventricle → lungs → left atrium → left ventricle → body. When blood enters the right side of the heart it is deoxygenated. It enters the left side of the heart oxygenated after traveling to the lungs.
In the metric system, what prefix represents 10-3?
milli |
|
centi |
|
kilo |
|
mega |
In the metric system, milli is the prefix for 10-3.
Which of the following is the smallest component of an element that still retains the properties of the element?
atom |
|
molecule |
|
element |
|
neutron |
An atom is the smallest component of an element that still retains the properties of the element.