Fluorscein that is injected into one plant cell .......show up in adjacent cells; DNA injected into one plant cell......... Show up in adjacent cells.

TLS Online TPP Program

#Question id: 33229

#Unit 1. Molecules and their Interaction Relevant to Biology

The effects of pH on enzymes depends on a combination of factors: 

(a) Most enzymes are active within only a narrow pH range, typically 5 to 9. 

(b) the ionization states of the amino acid residues involved in the catalytic activity of the enzyme

(c) the variation of protein structure (usually significant only at extremes of pH).

Which of the above is correct

TLS Online TPP Program

#Question id: 12135

#Unit 10. Ecological Principles

Which of the following is an example of Batesian mimicry?

TLS Online TPP Program

#Question id: 27665

#Unit 1. Molecules and their Interaction Relevant to Biology

There are few statements is given regarding the peptide bond configuration in a chain

(a) The peptide bond is normally (99.6% of the time) in the trans configuration, constraining  to a value of w=+_180

(b) The peptide bond is normally (99.6% of the time) in the Cis configuration, constraining  to a value of w=+_180

(c) In the trans configuration of peptide bond C and C=O lies in the Same plane while in different plane in case of cis configuration 

(d) In the trans configuration of peptide bond C and C=O lies in the different plane while in same plane in case of cis configuration 

Choose which of the following is correct

TLS Online TPP Program

#Question id: 26417

#Unit 3. Fundamental Processes

Which of the following can cause transition, transversion,  as well as frameshift mutation depending upon their concentration

TLS Online TPP Program

#Question id: 12766

#Unit 10. Ecological Principles

Which of the following statements about the evolution of life histories is correct?