TLS Online TPP Program

#Question id: 4169


The first amino acid incorporated into proteins __.

#Section 3: Genetics, Cellular and Molecular Biology
  1. can be any of the 20 standard amino acids

  2. is an N-formylmethionine in E. coli and methionine in other organisms

  3. is always inosinate

  4. is an amidated methionine residue that is cleaved following termination of translation

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TLS Online TPP Program

#Question id: 9599

#Section 2: General Biology

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

TLS Online TPP Program

#Question id: 10127

#Section 2: General Biology

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;

TLS Online TPP Program

#Question id: 10129

#Section 2: General Biology

Oxidation of water to form molecular oxygen is very difficult: The photosynthetic oxygen-evolving complex is the only known biochemical system that carries out this reaction which essential cofactor are involved in the water-oxidizing process?

TLS Online TPP Program

#Question id: 10131

#Section 2: General Biology

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;

TLS Online TPP Program

#Question id: 10132

#Section 2: General Biology

Which of the following statements would be correct for photophosphorylation ?

TLS Online TPP Program

#Question id: 10133

#Section 2: General Biology

The PSI reaction center complex is a large multi-subunit complex in which the antenna chlorophylls are associated with the reaction center Components of the PSI reaction center are organized around as follows choose the incorrect one;