| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.59 |
| Score | 0% | 72% |
A person's genotype is their genetic makeup and includes:
phenotypes |
|
dominant alleles |
|
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.
In a eukaryotic cell, which organelles deal with proteins?
all of these deal with proteins |
|
Golgi apparatus |
|
ribosomes |
|
endoplasmic reticulum |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles. Ribosomes produce proteins, endoplasmic reticulum helps synthesize proteins and fats, and Golgi apparatus prepares proteins for use.
In the metric system, what prefix represents 10-3?
centi |
|
mega |
|
milli |
|
kilo |
In the metric system, milli is the prefix for 10-3.
Which of the following is not true of light waves?
can travel through a vacuum |
|
travel faster than sound waves |
|
are electromagnetic waves |
|
are mechanical waves |
Unlike mechanical sound waves that require a physical medium for propagation, light waves are electromagnetic and can travel through empty space. Light waves are also much faster, travelling at 186,000 m/s vs. 343 m/s for sound waves.
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
saturated fat |
|
protein |
|
fiber |
|
unsaturated fat |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.