|
Fact |
Category |
Date |
|
856 |
By mass, about 10% of the human body is composed of the element hydrogen. |
Science > Biology |
02/02/09 |
|
857 |
Primate cells, except for those of humans, have 24 pairs of chromosomes. |
Science > Biology |
02/02/09 |
|
858 |
The term "battery", coined by Benjamin Franklin, was named after a battery of cannon. |
Science > Physics |
02/02/09 |
|
859 |
By mass, about 65% of the human body is composed of the element oxygen. |
Science > Biology |
02/02/09 |
|
860 |
Human cells have 23 pairs of chromosomes. |
Science > Biology |
02/02/09 |
|
861 |
In humans and most mammals, a male has an X and a Y chromosome. |
Science > Biology |
02/02/09 |
|
862 |
The type of electricity delivered to businesses and residences is alternating current. |
Science > Physics |
02/02/09 |
|
863 |
The base of the duodecimal system is 12. |
Science > Math |
01/31/09 |
|
864 |
Sporulation, which is used by mushrooms, is reproduction through the use of spores. |
Science > Biology |
01/18/09 |
|
865 |
Binary fission is the form of asexual reproduction and cell division, which is mainly used by bacteria. |
Science > Biology |
01/17/09 |
|
866 |
Mitosis is how a multi-cellular organism grows or gains body mass. |
Science > Biology |
01/16/09 |
|
867 |
Budding is a form of reproduction in which a new organism is formed from a protrusion of an existing organism. |
Science > Biology |
01/16/09 |
|
868 |
Mitosis is composed of four main phases: prophase, metaphase, anaphase, and telephase. |
Science > Biology |
01/15/09 |
|
869 |
Before mitosis occurs, a cell will go through interphase, which is how the cell will spend the majority of its time. |
Science > Biology |
01/15/09 |
|
870 |
Cytoplasm is the jelly-like fluid between the nucleus and the cell membrane; it is mostly made of water. |
Science > Biology |
12/27/08 |
|
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