Guanine and uracil are examples of nitrogenous bases.
a. true
b. false
Ans: a. true
Biology & Microbiology
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The mutagens 2-aminopurine and 5-bromouracil are examples of
A) alkylating agents. B) nucleotide base analogs. C) chemicals reacting with DNA. D) None of the answers are correct.
Biology & Microbiology
In certain algae and in most ascomycete fungi, the nuclei in the cells present in the majority of their life cycle are in the _____ condition
A. Diploid B. Haploid C. Triploid D. Tetraploid
Biology & Microbiology
Which of the following transmission modes is available for plants?
A) direct B) intermediate vector C) multiple hosts and stages D) all of the above
Biology & Microbiology
Which of the following genotypes represents a human male?
a. XY c. XX b. YY d. XO
Biology & Microbiology