If DNA of a particular species was analyzed and it was found that it contains 27 percent of adenine (A), what would be the percentage of cytosine (C)?
a. 27 percent
b. 30 percent
c. 23 percent
d. 54 percent
Ans: c. 23 percent
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Mitochondrial genomics is primarily used to do which of the following?
a. generate new hybrid strains b. improve disease resistance c. increase crop yield d. trace genealogy
In meiosis, the number of chromosomes ______ while in mitosis, it ______
a. is halved/is doubled b. is halved/remains the same c. is doubled/is halved d. remains the same/is halved
Which of the following is not true about meristems?
A. Apical meristems give rise to three types of embryonic tissues. B. Meristematic cells are found only in eudicots and not in monocots. C. They can be apical or lateral. D. Meristematic cells divide into two cells, one of which remains a meristem cell and another that becomes a plant body cell. E. They are responsible for primary and secondary growth.
Viruses that infect bacteria are specifically called _____.
Fill in the blank(s) with the appropriate word(s).