DNA is composed of thousands of nucleotides, each of them made of a phosphate group, sugar and a base. The sugar in the DNA molecule is deoxyribose. The four bases in the DNA molecule are adenine (symbolized by and A), thymine (T), cytosine (C), and guanine (G). The DNA molecule resembles a twisted ladder with the phosphate group and sugars located where (on the structure of the molecule)? and the steps of the ladder made up of what? There are what we call complementary base pairing rules in which adenine ALWAYS pairs with Thymine and cytosine ALWAYS pairs with guanine. DNA codes for making proteins. It is in the sequence of the bases which "code" for the production of proteins. Proteins are very important molecules which are needed to assist in repairing and maintaining cells, as well as producing the cell's defense, hormones or enzymes. Proteins are made up of subunits known as Protein synthesis begins with information on a segment of DNA being "transcribed" or converted into messenger RNA (mRNA). RNA is a nucleic acid which differs from DNA in 3 primary ways- They are? 1. RNA has how many strands? 2. RNA has which sugar? 3. RNA has 4 bases just like DNA except for one base called?
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.

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