Which component of the genetic code differs between dna and rna?
a. three nucleotides per codon
b. the presence of adenine (a) in codons
c. the presence of uracil (u) in codons
d. the presence of amino acids in codons

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

All eukaryotic cells contain small bodies called