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TLS Online TPP Program

#Question id: 9599

The primary donor of PSI, P700, is a dimer of chlorophyll a molecules, in primary donor chlorophyll, additional chlorophylls molecules such as

#Part-B Specialized Branches in Biotechnology
  1. Carotenoids, Pheophytins, and Plastoquinones are bound to the membrane proteins D1 and D2, Which are found in the core of the reaction center
  2. Carotenoids, Pheophytins, and Plastoquinones are bound to the membrane proteins D1 and D2, Which are present on the surface of the reaction center
  3. iron–sulfur proteins,  ferredoxin (Fd), flavoprotein ferredoxin–NADP+ reductase (FNR) are bound to the membrane proteins D1 and D2
  4. D1 and D2 proteins are found in the core of the reaction centre and are the part of photosystem I 
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TLS Online TPP Program

#Question id: 3041

#Part-B Specialized Branches in Biotechnology

Which statement about gram-negative bacteria is correct?
TLS Online TPP Program

#Question id: 3046

#Part-B Specialized Branches in Biotechnology

Which one of the following reagent used in differentiation of gram positive and Gram negative bacteria?

(P) Congo red                        (Q) Safranine

(R) Methylene blue                  (S) Iodine
TLS Online TPP Program

#Question id: 3216

#Part-A Aptitude & General Biotechnology

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

#Part-A Aptitude & General Biotechnology

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

#Part-A Aptitude & General Biotechnology

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

#Part-A Aptitude & General Biotechnology

 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).