| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.90 |
| Score | 0% | 58% |
Convert 5C° to F°.
27 |
|
-23 |
|
37 |
|
41 |
To convert from C° to F° use:
\(F° = {9 \over 5}C° + 32\)
\(F° = {9 \over 5}(5) + 32\)
\(F° = {45 \over 5} + 32\)
\(F° = 9 + 32 = 41\)
Gametes have how many pairs of chromosomes?
23 |
|
2 |
|
46 |
|
4 |
Reproductive (haploid) cells known as gametes have half as many (23) pairs of chromosomes as normal (diploid) cells. When the male gamete (sperm) combines with the female gamete (ovum) through meiosis to form a zygote, each gamete supplies half the chromosomes needed to form the normal diploid cells.
Which of the following does not represent the freezing point of water?
0°C |
|
32°F |
|
0°F |
|
273K |
The Fahrenheit scale fixes the freezing point of water at 32°F, the Celsuis scale at 0°C, and the Kelvin scale at 273K.
__________ and __________ pair to strengthen bones.
calcium, vitamin A |
|
iron, calcium |
|
vitamin D, magnesium |
|
vitamin D, calcium |
Vitamin D helps calcium strengthen bones while also aiding muscle, nerve, and immune system function.
Neurons are part of the __________ nervous system.
autonomic |
|
somatic |
|
peripheral |
|
central |
The nervous system consists of the brain and spinal cord (central nervous system) and the peripheral nervous system which is the network of nerve cells (neurons) that collect and distribute signals from the central nervous system throughout the body.