Question

Fill in the blanks:-


1. DNA was discovered by the Swiss biochemist, _____ in 1869 while

studying white ____ cells.


2. Adenine and Guanine are called as _____.


3. cytosine and Thymine are called as _____.​

Answer 1

Answer:

1. blood.

2. purines

3. pyrimidines

Explanation:

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Answer 2

Answer:

1. (b) blood

2. purine bases

3. pyrimidines.