TLS Online TPP Program

#Question id: 4496


Facilitates chromatin transcription was identified in human cell extracts, this factor makes transcription on chromatin templates much more efficient, choose correct statements;

#Unit 3. Fundamental Processes
  1. Is a heterodimer of two well conserved proteins, Spt16 and SSRP1

  2. Can both dismantle histones, by removing one H2A.H2B dimer, and reassemble them by restoring that dimer.

  3. Also has histone chaperone activity

  4. A, B and C

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TLS Online TPP Program

#Question id: 27979

#Unit 1. Molecules and their Interaction Relevant to Biology

In the Alternative respiratory pathway 
a. the external NADH dehydrogenase is rotenone insensitive 
b. the external NADH dehydrogenase is cyanide-resistant
c. alternative oxidase is cyanide-resistant 
d. alternative oxidase is rotenone insensitive

TLS Online TPP Program

#Question id: 1954

#Unit 4. Cell Communication and Cell Signaling

What is the single best description of type 1 diabetes?

TLS Online TPP Program

#Question id: 10151

#Unit 6. System Physiology – Plant

Light regulates the stability of the ternary complex through the ferredoxin–thioredoxin system Regulation of chloroplast phosphoribulokinase and glyceraldehyde-3-phosphate dehydrogenase. Chloroplasts contain two isoforms of glyceraldehyde3-phosphate dehydrogenases, named A4 and A2B2. Which of the following statement about isoform of glyceraldehyde3-phosphate dehydrogenases is False?

TLS Online TPP Program

#Question id: 15116

#Unit 8. Inheritance Biology

In a rare blood type referred to as the Bombay phenotype, individuals are unable to attach the A or B antigens to their red blood cells. Individuals that are homozygous recessive for gene "H" have the Bombay phenotype and their blood type is type "O" regardless of their ABO genotype. This is an example of what extension of Mendelian inheritance?

TLS Online TPP Program

#Question id: 28214

#Unit 5. Developmental Biology

Specification of different mesodermal cell types in the frog Xenopus laevis by activin, a paracrine factor of the TGF-beta family. Which of the following observation is correct at the slightly lower concentration of activin?