An otherwise healthy student in your class is infected with EBV, the virus that causes infectious mononucleosis. The same student had already been infected when she was a child, and she had merely experienced a mild sore throat and swollen lymph nodes in her neck. This time, though infected, she does not get sick. 

Her immune systemʹs recognition of this infection will involve which of the following?

TLS Online TPP Program

#Question id: 1547

#SCPH05 I Biotechnology

follicular dendritic cells (FDCs) secrete CXCL13 and its receptor, CXCR5, which is expressed on B cells, function of this interaction ?

TLS Online TPP Program

#Question id: 2636

#SCPH28 | Zoology

Which of the following events occur when E. coli is starved for tryptophan?

I.  The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site

TLS Online TPP Program

#Question id: 19515

#SCPH05 I Biotechnology

Which of the following claims about electrochemical cells is true?

TLS Online TPP Program

#Question id: 3662

#SCPH28 | Zoology

______________ refers change to the DNA that affects expression of a gene but is not inherited.

TLS Online TPP Program

#Question id: 291

#SCPH28 | Zoology

Which of the following types of non-covalent bonds or interactions is thought to be primarily responsible for driving the three-dimensional folding of a protein: