Carbon, hydrogen, nitrogen and sulphur are elements found in living cells. which is the least common?
a. carbon
b. hydrogen
c. nitrogen
d. sulphur

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from