in transmitting genetic information from parent to offspring. It was

20th century that chromosomes, the genetic material of cells, contained

Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA

basic genetic component of chromosomes. Later, RNA would be proven to

DNA is the genetic material found in most viruses and in all

Some viruses do not have DNA, but contain RNA instead. Depending on the

most DNA is found within a single chromosome like bacteria, or in several

like most other living things. (Heath, 110) DNA can also be found

chromosomes. It can be found in cell organelles such as plasmids in

chloroplasts in plants, and mitochondria in plants and animals.

All DNA molecules contain a set of linked units called

nucleotide is composed of three things. The first is a sugar called

to one end of the sugar is a phosphate group, and at the other is one of

nitrogenous bases. DNA contains four nitrogenous bases. The first

When information is given from DNA to RNA, it comes coded. The

amino acids are constructed according to the information which has been

construction. The tRNA must bring the correct amino acids to the mRNA so

Transcription can be described as a process where information is

is important that DNA and RNA control protein synthesis. Proteins control

Some topics in this essay:
Grolier Encyclopedia, DNA RNA, Maclyn McCarty, Watson Crick, , DNA’s RNA, Francis Crick, protein synthesis, double helix, nitrogenous bases, dna rna, amino acids, hydrogen bonds, genetic material, sugar phosphate nitrogenous, sugar called, base pairing, base pairing miller, pairing miller, double-ringed purine compounds, grolier encyclopedia 1992, single-ringed pyrimidine compounds,