Related Questions
Which of the following nitrogenous bases are purines found in both DNA and RNA?
Adenine and Guanine
Cytosine and Thymine
Uracil and Thymine
Guanine and Uracil
Which two purines are essential components of both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)?
Adenine and Guanine
Cytosine and Uracil
Thymine and Uracil
Adenine and Thymine
Identify the purine bases common to both DNA and RNA molecules.
Adenine and Guanine
Cytosine and Thymine
Adenine and Cytosine
Guanine and Thymine
Statements
I. The four nucleotide bases are not necessarily present in DNA in exact equal
proportions.
II. The total amount of purines are equal to the total amount of pyrimidines.
III. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into
its component nucleotides.
IV. Nuclease enzymes are capable of restoring an intact DNA duplex.
Of the above statements
II is correct, but I, III and IV are wrong
I and II are wrong but III and IV are correct
I, II and III are correct but IV is wrong
I and II are correct but III and IV are wrong
Statements
I. The four nucleotide bases are not necessarily present in DNA in exact equal
proportions.
II. The total amount of purines are equal to the total amount of pyrimidines.
III. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into
its component nucleotides.
IV. Nuclease enzymes are capable of restoring an intact DNA duplex.
Of the above statements
II is correct, but I, III and IV are wrong
I and II are wrong but III and IV are correct
I, II and III are correct but IV is wrong
I and II are correct but III and IV are wrong
Purines found both in DNA and RNA are
Adenine and thymine
Adenine and guanine
Guanine and cytosine
Cytosine and thymine
Purines found both in DNA and RNA are
Adenine and thymine
Adenine and guanine
Guanine and cytosine
Cytosine and thymine
If a nucleic acid sample contains both adenine and guanine, what can be inferred about the type(s) of nucleic acid present?
The sample could contain DNA, RNA, or both.
The sample must be DNA.
The sample must be RNA.
The sample cannot contain either DNA or RNA.
