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55. At the Hogwarts School of Wizardry they use the fairly modern science of genetics to identify potential witches and wizards. Being a witch or a wizard is dependent on […]

54. Bananas we routinely eat are seedless because A) They are naturally parthenogenetic B) They are triploid C) They are haploid D) Their fruits develop faster than the seeds Correct […]

53. In the euarchaeotic bacterium Pyrococcus furiosus the glycolysis pathway is modified by the use of ADP dependent glucokinase and ADP dependent phosphofructokinase. What will be the net gain of […]

52. Many biological processes are known to oscillate over time, which are represented by an increase in a molecular factor followed by a decrease, which continues over time. Which of […]

51. After fertilization, cells in vertebrate embryos divide at regular intervals giving rise to a mass of cells termed the blastula. As cells divide, they undergo cleavage, where the enormous […]

50. Species S1 and S2 use the same resource R, with S1 being more efficient in using the resource. A predator P consumes both prey species, but at different rates. […]

49. Carbon dioxide in the blood is mostly _____________. A. bound to albumin B. bound to hemoglobin C. in the form of carbonic acid D. bound to myoglobin Carbon dioxide […]

48. A woman is heterozygous for both phenylketonuria mutation and for X-linked hemophilia mutation. She has a child with a phenotypically normal man, who is also heterozygous for a phenylketonuria […]

47. A friend of yours measured the quantity of DNA in grasshopper cells growing in the cell culture. Cells examined during the G2 phase of the cell cycle contained 200 […]

46. The time required for replication of the E.coli chromosome is 40 minutes but the bacterium is capable of dividing every 20 minutes under the right nutritional conditions. This is […]