Sucrose is replace by another sugar in tobacco callus medium without effecting callus growth. This sugar is an osmotic agent and is not taken into the plant cells or metabolized because of its molecular size.

TLS Online TPP Program

#Question id: 30093

#Unit 1. Molecules and their Interaction Relevant to Biology

Which compound forms IMP through Hypoxanthine guanine phosphoribosyltransferase enzyme?

TLS Online TPP Program

#Question id: 1895

#Unit 4. Cell Communication and Cell Signaling

Septic shock associated with Gram-negative bacteria is primarily caused by:

TLS Online TPP Program

#Question id: 3009

#Unit 2. Cellular Organization

 Endospores are

TLS Online TPP Program

#Question id: 18763

#Unit 13. Methods in Biology

Which of the following occurs between particular short sequences present on otherwise dissimilar parental molecules?

TLS Online TPP Program

#Question id: 32289

#Unit 2. Cellular Organization

Which one of the following statements about signal recognition particles (SRPs) is incorrect?