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TLS Online TPP Program

#Question id: 4551

Various types of σ factor in column I, that are involved in several other function given in column II

 I

II

I) σ70

a) Induced by unfolded proteins in the cytoplasm contain chaperones activity which refold unfolded proteins               

II) σs

b) Genes involved in flagellum assembly             

III) σ32

c) Genes for nitrogen metabolism and other functions

IV) σE

d) Housekeeping genes, most genes in exponentially replicating cells

V) σF

e) Activated by unfolded proteins in the periplasmic space and cell membrane; genes encoding proteins that restore integrity to the cellular envelope

VI) σ54

f) Stationary-phase genes and general stress response

 Which of the following combination is correct?

#Unit 3. Fundamental Processes

  1. I-c, II-b, III-a, IV-f, V-d, VI-e

  2. I-f, II-a, III-d, IV-e, V-b, VI-c

  3. I-d, II-f, III-a, IV-e, V-b, VI-c

  4. I-e, II-d, III-f, IV-a, V-b, VI-c

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TLS Online TPP Program

#Question id: 3058

#Unit 2. Cellular Organization

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample
TLS Online TPP Program

#Question id: 3060

#Unit 2. Cellular Organization

A bacteria having doubling time of 1 minute, fills a cylindrical vessel completely in 3 hours. How much time will it take to fill half of the vessel?
TLS Online TPP Program

#Question id: 3216

#Unit 9. Evolution & Diversity of Life Forms

The frequency of galactosemia is approximately 1 in 40,000 live births. The frequency of the carrier state can be calculated as
TLS Online TPP Program

#Question id: 3250

#Unit 9. Evolution & Diversity of Life Forms

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1, A1A2 and A2A2 genotype is 0.01, 0.18 and 0.81) Which of the following statement is correct?
TLS Online TPP Program

#Question id: 3251

#Unit 9. Evolution & Diversity of Life Forms

Looking at 3 allele per locus and following Hardy Weinberg equilibrium what will be the expected heterozygosity if q1=0.5, q2=0.3, q3=0.2
TLS Online TPP Program

#Question id: 3252

#Unit 9. Evolution & Diversity of Life Forms

 The unaffected brother of a cystic fibrosis affected girl is referred for genetic counseling. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?  (Cystic fibrosis is an autosomes recessive inheritance with an incidence of 1 in 2500).