Consider the following statements regarding the historical aspects of DNA and choose the correct answer:
1. Meischer isolated nucleic acids, which he called nuclein
2. Altmann used the term nucleic acid to replace nuclein
3. Fischer identified pyrimidines and purines
4. Griffiths discovered bacterial transformation by DNA
A. Only 1, 2 and 4 are true
B. Only 2, 3 and 4 are true
C. 1, 2, 3 and 4 are true
D. Only 1 and 4 are true
Answer: Option C
Related Questions on Gentics and Evoloution
A piece of DNA molecule that can serve as a carrier for the gene to be cloned is called as a
A. Virus
B. Vector
C. DNA junk
D. Gene factor
A haploid organism contains only one set of chromosomes, and is said to be
A. Homozygous
B. Heterozygous
C. Hemizygous
D. Holozygous
Which of the following is the correct pair?
A. Darwin - Use and disuse of organs
B. de Vries - Mutation theory
C. Lamarck - Origin of life
D. Haldane - Law of heredity

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