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13. A bacterial strain has the following features with regards to growth: (i) Will grow on agar supplemented with Arginine (arg), Tryptophan (trp) and Leucine (leu). It is not capable […]

12. DNA was isolated from wild type (Gal+) and mutant (Gal-) E.coli cells and separated by density gradient centrifugation technique. DNA from Gal- strain acquired a lower position. This indicates […]

11. Meiosis is used to generate gametes. When is meiosis completed in mammalian females? a. During oogonia maturation in the fetal ovaries b. In all primary oocytes during maturation at […]

10. A series of beakers of water of different temperatures are placed in front of you. You place your finger in each one, and select the beaker containing water of […]

9. Bacterial antibiotics can interfere with all of the following, except: a. Protein Synthesis b. Peptidoglycan Synthesis c. Reverse Transcription d. DNA Synthesis Bacterial Antibiotics Interference MCQ: Detailed Solution and […]

8. A group of 3 cells, the P6p, P5p and the anchor cell are clustered together in the C.elegans hypodermis. Normally the P6p cell gives divides 3 times and forms […]

7. A genetic cross was set between two heterozygous mice with agouti coat colour. Agouti is dominant over normal coat colour. The F1 phenotypic ratio with regards to coat colour […]

6. Biologist Lynn Margulis is a proponent of the theory of endosymbiosis, which suggests that the mitochondria of modern eukaryotic cells evolved from bacteria living symbiotically within early eukaryotic cells. […]

5. A human cell passes through 4 phases called A, B, C and D, each phase lasting for different lengths of time. At the end of D the cell returns […]

4. Which of the following amino acids to you expect to find in higher proportion within histones compared to a cytoskeletal protein? a. K and R b. L and A […]