Fever indicates that your body's immune system is doing its job because of two key reasons. One is due to the fever creating a "speed up" in white cell production and the other is due to the fever actually destroying harmful bacteria.
It is ribosome just because the other ones are not proteins their cells ribosomes are produced from the endoplasmic reticulum
"<span>The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time" is the actual reason. </span>
Whether or not the fatty acid has double or single covalent bonds
a fatty acid is saturated when only single bonds to H hold it together
a fatty acid is unsaturated when a double bond helps hold it together, this type of fatty acid becomes bent as a result
Mitochondria is the power house of the cell (also pay attention in class)