TLS Online TPP Program

#Question id: 10131


The detailed chemical mechanism of the oxidation of water to O2 is not yet well understood, but with structural information shows_one electron carrier, generally identified as Yz, functions between the oxygen-evolving complex and P680 to function in this region, Yz needs to have a very strong tendency to retain its electrons, this species has been identified as;

#Section 2: General Biology
  1. A radical formed from a tyrosine residue in the D1 protein of the PSII reaction center
  2. Formed from Aromatic amino acid residue in the D2 protein of the PSII reaction center
  3. A radical formed from a Histidine residue because of its +ve charge in the D1 protein of the PSII reaction center
  4. A radical formed from a tyrosine residue in the D2 protein of the PSII reaction center
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TLS Online TPP Program

#Question id: 3547

#Section 3: Genetics, Cellular and Molecular Biology

Ram and Nidhi are apparently normal, but their daughter was born with alkaptonuria, an inherited metabolic disorder. If alkaptonuria is like most human hereditary disorders, the probability of their next child being born with alkaptonuria is

TLS Online TPP Program

#Question id: 3548

#Section 3: Genetics, Cellular and Molecular Biology

 In a cross between two heterozygotes (Aa), the F2 generation will be

TLS Online TPP Program

#Question id: 3549

#Section 3: Genetics, Cellular and Molecular Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds

TLS Online TPP Program

#Question id: 3550

#Section 3: Genetics, Cellular and Molecular Biology

A man with type A blood and colorblindness marries a woman with type A blood and normal. Their first female child has type O blood and colorblindness. What is the probability of next female child will be A blood group and colorblindness?

TLS Online TPP Program

#Question id: 3551

#Section 3: Genetics, Cellular and Molecular Biology

In angiosperm plant, assume that the male parent has an AA Bb genotype, and that the female parent has an aa BB genotype. What is genotype in endosperm nucleus, after reproduction between these two plants?

TLS Online TPP Program

#Question id: 3552

#Section 3: Genetics, Cellular and Molecular Biology

In corn, three dominant alleles, called A, C, and R, must be present to produce colored seeds. Which of the following genotype would produce 25 % color seeded plant, When cross with Aaccrr?