TLS Online TPP Program

#Question id: 1584


Which cell type interacts with both the humoral and cell-mediated immune pathways?

#Unit 4. Cell Communication and Cell Signaling
  1. plasma cells

  2. cytotoxic T cells

  3. helper T cells

  4. CD8 cells

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TLS Online TPP Program

#Question id: 9582

#Unit 6. System Physiology – Plant

Electrons ejected from chlorophyll travel through a series of electron carriers organized in the “Z Scheme” shows a current version of the Z scheme, in which all the electron carriers known to function in electron flow from H2O to NADP Presented in the following sequence;

a.) P680 reduce by Yz has received electrons from oxidation of water P680→P680*→pheophytinplastoquinones→ cytochrome b6 f complex→ plastocyanin→ in turn reduces (PSI) P700+

b.) P700+→ P700*→ membrane-bound iron–sulfur proteins → A0→ A1 → flavoprotein ferredoxin–NADP reductase (FNR) soluble → ferredoxin(Fd) → NADP+ to NADPH

c.) P700+→ P700*→ A0→ A1→ membrane-bound iron–sulfur proteins→ ferredoxin(Fd)→ soluble flavoprotein ferredoxin–NADP reductase (FNR)→ NADP+ to NADPH

d.) P680 reduce by Yz has received electrons from oxidation of water P680→P680*→ plastoquinonespheophytin → cytochrome b6 f complex→ plastocyanin→ in turn reduces (PSI) P700+

Which one of the following combinations is correct?

TLS Online TPP Program

#Question id: 629

#Unit 1. Molecules and their Interaction Relevant to Biology

In the presence of a fixed concentration of a competitive inhibitor, which of the following would best characterize an enzyme-catalyzed reaction when the concentration of the substrate is increased?

TLS Online TPP Program

#Question id: 12723

#Unit 6. System Physiology – Plant

GroEL, GroES is an example of the  prokaryotic cell, this HSP protein is belong to the which of the following HSP class?

TLS Online TPP Program

#Question id: 4723

#Unit 8. Inheritance Biology

The most common cause of the pleiotropic effect of gene is due to

TLS Online TPP Program

#Question id: 54

#Unit 1. Molecules and their Interaction Relevant to Biology

About 25 of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96% of living matter?