The specificity (what they do, their job) of proteins is determined by which of the following? A. the order of genes on a chromosome
B. the order of nitrogenous bases in DNA
C. the shape of the chromosome
D. the shape of the gene

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.

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

If your blood becomes too concentrated with iona, what will happen to the red blood cells