TLS Online TPP Program

#Question id: 4161


The link between an activated amino acid and tRNA is an __ bond between the __ of the amino acid and a hydroxyl group of the tRNA.

#SCPH05 I Biotechnology
  1. ester; carboxylate group

  2. amide; carboxylate group

  3. amide; amino group

  4. imine; amino group

More Questions
TLS Online TPP Program

#Question id: 5122

#SCPH01 Biochemistry

In amphibia, when epidermal (ectodermal) and mesodermal cells are brought together in a mixed aggregate, the epidermal cells move to the periphery of the aggregate, and the mesodermal cells move to the inside by the process of selective affinity. Which of the following statement describe the phenomena of selective affinity?

TLS Online TPP Program

#Question id: 5123

#SCPH01 Biochemistry

The generation of specialized cell typces is called ‘differentiation’, a process during which-

TLS Online TPP Program

#Question id: 5124

#SCPH01 Biochemistry

Following statements are being made regarding conditional specification –

A. The process by which cells achieve their respective fates by interacting with other cells.

B. the cell “knows” very early what it is to become without interacting with other cells.

C. The critical factors that control cell fate are present and differentially segregated in the cytoplasm of these cells.

D. a cell becomes is specified by the array of interactions it has with its neighbors, which may include cell-to-cell contacts (juxtacrine factors), secreted signals (paracrine factors).

Which of the above statements are correct?

TLS Online TPP Program

#Question id: 5125

#SCPH01 Biochemistry

In above experiment in figure.A two differently positioned blastula cells are specified to become distinct muscle and neuronal cells.In figure.B when These two different blastula cells are placed together in culture. Following results are obtained according to step(1) and step(2). Which statement is correct about muscle cell commitment?

 

TLS Online TPP Program

#Question id: 5126

#SCPH01 Biochemistry

Which one is correct according to adult stem cell lineage?

TLS Online TPP Program

#Question id: 5127

#SCPH01 Biochemistry

The following are certain statements regarding stem cells. Which one is correct?