A nonsense mutation happens when a nitrogenous base is changed in the DNA but the amino acid encoded is not changed in the protein. a) True
b) False

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia