An extremely large lactose source is encountered by an E. coli cell in the lumen of the small intestine of a human who just ate an entire carton of ice cream. Which of the following would most likely be a contributor to why the E. coli does not metabolize any of the lactose?

TLS Online TPP Program

#Question id: 27391

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement

1.Transfer of electrons is the characteristic of ionic bond 

2.Sharing of electrons is the characteristic of ionic bond

3.Sharing of electron is the characteristics of covalent bond 

4.Transfer of electron is the characteristics of covalent bond

TLS Online TPP Program

#Question id: 27392

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following

Bond	Bond energy in KJ
I. C=C	a. 891
II. C ≡ O	b. 946
III. N≡N	c. 1080
IV. C≡N	d. 611

TLS Online TPP Program

#Question id: 27393

#Unit 1. Molecules and their Interaction Relevant to Biology

In an exothermic reaction………a…….. and in endothermic reaction …………b………

TLS Online TPP Program

#Question id: 27394

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following has smallest size

TLS Online TPP Program

#Question id: 15690

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect statement for the matrix 

TLS Online TPP Program

#Question id: 7289

#Unit 1. Molecules and their Interaction Relevant to Biology

The following scheme shows the flowering status of a plant species and the photoperiodism. Which of the following conclusions is most appropriate?