A nucleotide does not contain a. a 5-carbon sugar.

b. an amino acid.

c. a nitrogen base.

d. a phosphate group.

What is it called when plants lose water though their leaves

What are the types of genetic recombination

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.