Q.19 Hypophosphatemia is manifested by an X-linked dominant allele. What proportion of the offsprings from a normal male and an affected heterozygous female will manifest the disease? ½ sons and […]
Blog
Finding ∂u/∂x + ∂u/∂y
Q.18 If u = log (ex + ey), then ∂u/∂x + ∂u/∂y = ex + ey ex − ey 1 / (ex + ey) 1 Introduction Partial differentiation is a […]
Matrix Multiplication Properties
Q.17 If P = [ 1 1 2 2 ], Q = [ 2 1 2 2 ] and R = [ 3 0 1 3 ], which one of the following statements is TRUE? PQ […]
PAM 40 or BLOSUM 80
Q.16 The suitable substitution matrix to align closely related sequences is (A) PAM 250 or BLOSSUM 80 (B) PAM 40 or BLOSSUM 80 (C) PAM 120 or BLOSSUM 40 (D) […]
RNA Primer Removal in Bacteria
Q.15 The RNA primer synthesized during the replication process in bacteria is removed by (A) DNA gyrase (B)primase (C) DNA polymeraseI (D) DNA polymerase II RNA Primer Removal in Bacterial […]
Allotriploid Chromosomes
Q.14 Of the two diploid species, species I has 36 chromosomes and species II has 28 chromosomes. How many chromosomes would be found in an allotriploid individual? (A) 42 or […]
Understanding Catalytic Efficiency in Enzymes
Q.13 The catalytic efficiency for an enzyme is defined as kcat Vmax / kcat kcat / Km kcat / Vmax Catalytic efficiency measures how effectively an enzyme turns substrate into […]
Which One of the Following is an ABC Transporter?
Q.12 Which one of the following is an ABC transporter? (A)multidrug resistance protein (B) acetylcholine receptor (C)bacteriorhodopsin (D) ATP synthase The correct answer to the multiple-choice question is (A) multidrug resistance […]
Proteobacteria Classification
Q.11 Phylum proteobacteria is subdivided into α-, β-, γ-, δ- and ε-proteobacteria based on (A) G+C content (B) 23S rRNA sequences (C) tRNA sequences (D) 16S rRNA sequences Phylum Proteobacteria […]
Horizontal Gene Transfer in Bacteria
Q.10 In nature, the horizontal gene transfer across bacteria is mediated by (A) gene cloning followed by transformation (B)conjugation and transformation (C) conjugation only (D) transformation only Horizontal gene transfer […]


