Which of the following is not found in $DNA$
Adenine
Cytosine
Uracil
Thymine
Which of the following nitrogenous bases are common for both $RNA$ and $DNA$?
Thirty percent of the bases in a sample of $DNA$ extracted from eukaryotic cells is adenine. What percentage of cytosine is present in this $DNA$ ?
Describe the structure of polynucleotide chain of DNA or RNA ?
The two strands of a double helix model of $DNA$ are held together by hydrogen bonds between
The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.