Having two copies of the mutated genes cause sickle cell anemia, but having just one copy does not, and can actually protect against malaria - an example of how mutations are sometimes beneficial.
The majority of mutations have neither negative nor positive effects on the organism in which they occur. These mutations are called neutral mutations. Examples include silent point mutations. They are neutral because they do not change the amino acids in the proteins they encode.
Hope this helped :)
The solution of nutrients and organelles is called CYTOPLASM.
The cytoplasm of a cell is made up of all the organelles that are located outside of the nucleus which are enclosed within the cell membrane of a cell. The cytoplasm is a colorless, clear, jelly like substance whose constituent is majorly water [80%]. It also contains enzymes, salts, organelles and various organic molecules.
Answer:
Oxygen was not present on early earth
Answer: it produced oxygen as a waste product
Explanation: there was more free oxygen
The answer to this question would be: paranasal sinus.
There are a few sinuses near the face area. The sinus can be classified based on the bone that makes then to sinus maxillae, ethmoid, sphenoid and frontalis. This structure frequently gets infected causing sinusitis. Sinusitis patient can complain pain or feel the sinus got filled with some liquid.