TLS Online TPP Program

#Question id: 4139


Which one of the following statements about the elongation phase of protein synthesis is true?

#Part-A Aptitude & General Biotechnology
  1. At least five high-energy phosphoryl groups are expended for each peptide bond formed.

  2. During elongation, incoming aminoacylated tRNAs are first bound in the P site.

  3. Elongation factor EF-Tu facilitates translocation.

  4. Peptidyl transferase is a ribozyme.

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TLS Online TPP Program

#Question id: 5434

#Part-A Aptitude & General Biotechnology

Plant height of wild Solanum nigrum is controlled by polygene. A pure line plant with 60 cm height was cross to pure line plant having 20 cm height .All F1 plant having uniform height 40 cm. F1 plant was allowed to self-fertilization to produced 4/64 proportional of F2 plant having height 20 cm . What is number of polygene governing plant height?

TLS Online TPP Program

#Question id: 5435

#Part-A Aptitude & General Biotechnology

A polygenic trait is controlled by three genes-A, B and C. In a cross, AaBbCc x AaBbCc, what is a probability of intermediate phenotype offspring?

TLS Online TPP Program

#Question id: 5436

#Part-A Aptitude & General Biotechnology

Quantitative characteristics arise from two phenomena either polygenic or environmental influence on genotype. Which of the following is not character of quantitative polygenic trait?

TLS Online TPP Program

#Question id: 5437

#Part-A Aptitude & General Biotechnology

A pure line dominant plant has height of 100 cm while pure line of recessive plant has 20 cm. If one dominant gene contribution is 8 cm, what is number of QTL control plant height?

TLS Online TPP Program

#Question id: 5522

#Part-B Specialized Branches in Biotechnology

In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the

TLS Online TPP Program

#Question id: 5524

#Part-B Specialized Branches in Biotechnology

Interaction of the optic stalk with ectoderm makes the development of the