Nitrogenous Bases

Q.

How many base pairs are present in linker DNA?

Q.

Adenosine is a:

1. Nitrogenous base of RNA

2. Nucleoside of RNA

3. Nucleotide of DNA

4. Nucleotide of RNA

Q.

Which of the following is/are incorrect with regard to the nitrogenous bases of DNA?

1. Adenine and Guanine are purines

2. Uracil and Cytosine are pyrimidines

3. Thymine and Cytosine are pyrimidines

4. Adenine and Thymine are purines

Q.

Adenosine is a:

1. Nitrogenous base of RNA

2. Nucleoside of RNA

3. Nucleotide of DNA

4. Nucleotide of RNA

Q. Which base is present in RNA but not in DNA?

1. Thymine
2. Uracil
3. Guanine
4. Cytosine

Q. Choose the correct answer from the alternatives given:
Which one of the following is not a pyrimidine base?

1. Thymine
2. Guanine
3. Uracil
4. Cytosine

Q.

Adenosine is a:

1. Nucleotide of DNA

2. Nucleotide of RNA

3. Nitrogenous base of RNA

4. Nucleoside of RNA

Q.

Which of the following is/are incorrect with regard to the nitrogenous bases of DNA?

1. Adenine and Guanine are purines

2. Uracil and Cytosine are pyrimidines

3. Thymine and Cytosine are pyrimidines

4. Adenine and Thymine are purines

Q.

Which of the following is/are incorrect with regard to the nitrogenous bases of DNA?

1. Adenine and Guanine are purines

2. Uracil and Cytosine are pyrimidines

3. Thymine and Cytosine are pyrimidines

4. Adenine and Thymine are purines

Q. It is easy to remove DNA histone complex with

1. 1M NaCl
2. NaCl + Mg(OH)${}_2$
3. Cannot be pulled by chemicals.
4. Mg(OH)${}_2$

Q.

what is the meaning of purine always pair with their corresponding pyrimidine.

Q.

The nitrogenous bases of DNA are:

1. AUGC

2. UTGC

3. ATGC

4. ATUC