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#Question id: 1619


Which of the following statements is TRUE of interferons?

#SCPH05 I Biotechnology
  1. Interferons are found only in mammalian species

  2. Interferons are divided into five main families

  3. Interferons induce enzyme synthesis in the target cell

  4. Interferons only affect infected cells

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TLS Online TPP Program

#Question id: 1421

#SCPH05 I Biotechnology

XIAP proteins:

TLS Online TPP Program

#Question id: 53

#SCPH28 | Zoology

Calculate the number of times the DNA of a modern E. coli cell has been copied accurately since its earliest bacterial precursor cell arose about 3.5 billion years ago. Assume for simplicity that over this time period, E. coli has undergone, on average, one cell division every 12 hours (this is an overestimate for modern bacteria, but probably an underestimate for ancient bacteria).

TLS Online TPP Program

#Question id: 857

#SCPH05 I Biotechnology

The aggregation of nonpolar side chains in the interior of a protein is favored by

TLS Online TPP Program

#Question id: 10278

#I Life Science/ Life Sciences Group – I-V

The type of ATP synthesis, traditionally referred to as substrate-level phosphorylation involves the direct transfer of a phosphate group, which reactions perform substrate-level phosphorylation?

a) Conversion of Glyceraldehyde 3-phosphate to 1,3-Bisphosphoglycerate

b) Conversion of Phosphoenol pyruvate to pyruvate

c) Conversion of Fructose 6-phosphate to Fructose 1,6-bisphosphate

d) Conversion of 1,3-Bisphosphoglycerate to 3-Phosphoglycerate

Find the correct one.

TLS Online TPP Program

#Question id: 10551

#I Life Science/ Life Sciences Group – I-V

plants possess a second type of immunity mediated by a set of highly specific intracellular receptors known as nucleotide binding site–leucine rich repeat (NBS–LRR) receptors. How NBS–LRRs become activated,