How to Count number of nucleotide substitutions ?

2209

How can we find the direction of an nucleotide substitution, for example; C to T or T to C?

2419

Does rna molecule have two polynucleotide chains likewise dna?

979

Which are the nucleotides “portions” that bind in the formation of nucleic acids? What is meant by the 5’ and 3’ extremities of nucleic acids?

965

What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?

995

Are nucleotides formed of only one type of pentose?

903

Which are the nucleotides “portions” that bind in the formation of nucleic acids?

1000

Concerning the nitrogen-containing bases that participate in nucleotides what is the difference between dna and rna.

942

How do the two complementary nucleotide chains of the dna facilitate the replication process of the molecule?

954

According to the watson – crick model how many polynucleotide chains does a dna molecule has?

960

Is frame shift mutation similar to single-nucleotide polymorphism?

1000

What is frame shift mutation? Is this mutation similar to single-nucleotide polymorphism?

923

What are pentoses? Are nucleotides formed of only one type of pentose?

1013