TLS Online TPP Program

#Question id: 1550


IL-4 responsible for class switch recombination (CSR) into,

#Unit 4. Cell Communication and Cell Signaling
  1. IgA, IgG2b

  2. IgG1, IgE

  3. IgA

  4. IgG3, IgG2a

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TLS Online TPP Program

#Question id: 28789

#Unit 2. Cellular Organization

Match the following proteins (column A) with their functions (column B) during cell organization and movement;


TLS Online TPP Program

#Question id: 13201

#Unit 6. System Physiology – Plant

Phloem loading in the apoplastic pathway thought to mediate the transport of sucrose from the apoplast into the sieve element– companion cell complex. Which of the following  are involved in such sucrose transporting by apoplast?
a) Sucrose is at a higher concentration in the sieve element–companion cell complex indicates that sucrose is actively transported against its chemical-potential gradient
b) Sugars transport from the apoplast into the sieve elements and companion cells energy driven process
c) Phloem loading in the apoplastic pathway involves a sucrose–H+ symporter
d) the route of phloem loading is−mesophyll cells→ bundle sheath cells→ phloem parenchyma cell→ ordinary companion cell→ sieve elements
Which of the following is incorrect?

TLS Online TPP Program

#Question id: 10478

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following amino acids with their structure?


TLS Online TPP Program

#Question id: 4058

#Unit 3. Fundamental Processes

The mechanism of pre-tRNA splicing differs in from the mechanisms used by self-splicing introns and spliceosomes as

TLS Online TPP Program

#Question id: 12907

#Unit 13. Methods in Biology

The binding of a regulatory protein or transcription factor to a specific DNA site results in a complex which may be analyzed by the technique termed as _____