13. A bacterial gene has two alleles, A and B. A scientist measured bacteria grown under two different treatments in the laboratory, and she measured proportion of the population that […]
12. In the following pedigree, what will be the genotype of the parent indicated by the dark square? Dark symbols indicate individuals with a specific phenotype, controlled by the locus […]
11. You decide to improve your western blotting by customizing the buffer used for incubation and washing and hear from friends that they routinely use reducing agents to purify proteins. […]
10. A hydrilla plant is growing in a beaker with water. What will happen to the rate of photosynthesis if you add sodium bicarbonate to the water? a. It will […]
9. A student has a mixture of different proteins (molecular weight of Protein A = 30.0 KDa; Protein B = 35.0 KDa; Protein C = 40.0 KDa; Protein D = […]
8. A student was asked to clone a DNA fragment flanked by BamHI (GGATCC) sites into a vector cut with BglII (AGATCT). The cloning was successful, as these two restriction […]
7. Dogs are genetically very close to wolves. Yet all wolves look similar while the breeds of dogs look very different from one another. This is best explained by which […]
6. The recent all India tiger census counted all individuals above the age of 1 year as adults. An earlier estimate four years ago included only individuals above the age […]
5. Which of the following statements is incorrect about meiosis? a. Two rounds of DNA replication occur b. The chromosome number is reduced to half c. Four daughter cells are […]
4. In a new species of bacteria, tRNA anticodons are recognized by two nucleotide bases instead of three. What would be the number of amino acids and the number of […]
