phloem transport indicating the importance of long distance transport in plants, the experiments demonstrated that removal of a ring of bark around the trunk of a tree, which removes the phloem. What will be its effect?

TLS Online TPP Program

#Question id: 19152

#Unit 13. Methods in Biology

In ion exchange chromatography The exhausted cation exchange column is regenerated by passing a solution of ____________

TLS Online TPP Program

#Question id: 9156

#Unit 9. Diversity of Life Forms

Generalized global air circulation and precipitation patterns are caused by ________.

TLS Online TPP Program

#Question id: 4685

#Unit 3. Fundamental Processes

Some given characteristics of repressor such as;

 I) λ-repressor and

II) cro-repressor

a) A repressor binds DNA as a dimer

b) A repressor work as both activator and repressor

c) Repressor is a single-domain protein

d) Repressor binds to operator sites cooperatively

e) Only represses transcription, like the Lac repressor

which of the following are correct match statements  of given repressor

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#Question id: 10476

#Unit 1. Molecules and their Interaction Relevant to Biology

Following statements are regarding to gangliosides.

A. They are ceramides with attached oligosaccharides that include at least one sialic acid residue.

B. They are ceramides with attached oligosaccharides that include at least one phasphatidic acid residue.

C. Sialic acid gives gangliosides the negative charge at pH 7 that distinguishes them from globosides.

D. Gangliosides are primarily components of cell-surface membranes and constitute a significant fraction (6%) of brain lipids.

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 19283

#Unit 9. Diversity of Life Forms

Which of the following most closely represents the male gametophyte of seed-bearing plants?