Nucleic acids formative

Nucleotides are nucleic acids' main functional units, composed by:

• Deoxyribose

• Sugar, Phosphate and Nitrogenous bases

• Adenine, Citosine, Thymine, Guanine

• Ribose

The enzyme ________ unwinds the DNA double strand

The sugar that composes DNA strands' backbone is called:

• Uracil

• Nucleotide

• Deoxyribose

• Adenine

The enzyme in charge of setting the starting point for DNA replication is:

The purines and pyrimidines 1 to 1 rule was stablished by:

• Watson

• Crick

• Chargaff

• Franklin