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TLS Online TPP Program
#Question id: 12199
#Unit 6. System Physiology – Plant
Some given statements about Auxin signalling pathways are listed;
a) The auxin receptor is composed of two proteins: the SCF complex component TIR1 and the repressor protein AUX/IAA
b) The binding of auxin to its receptor complex initiates ubiquitin-dependent degradation of the AUX/ IAA repressor protein by the 26S proteasome
c) TIR1 recruits AUX/ IAA proteins to the SCFTIR1 complex in an auxin-independent manner
d) AUX/IAA proteins are ubiquitinated by the E3 ligase activity of the SCFTIR1 complex, which marks the protein for destruction by the 26S proteasome
Which of the following is correct explanation of Auxin signalling pathways?
TLS Online TPP Program
#Question id: 3681
#Unit 3. Fundamental Processes
A mutated E. coli cell carries out and completes DNA replication, but the lagging strands are found to contain more errors than normal. These errors are not found evenly distributed throughout the lagging strands, but are found in clusters. Which enzymatic activity is missing from this cell?
TLS Online TPP Program
#Question id: 32925
#Unit 2. Cellular Organization
Cyclical changes in CDK activity are controlled by a regulator protein, known as:
TLS Online TPP Program
#Question id: 23028
#Unit 12. Applied Biology
This is not an indigenous microbe used for bioremediation
TLS Online TPP Program
#Question id: 26496
#Unit 3. Fundamental Processes
Two transesterification reactions takes place for 2 exon -1 intron configuration. Choose the correct statement
a. First transesterification is always caused by exon 1 -3’OH
b. second transesterification is catalysed variably either by external G or branch point while .
c. First transesterification is catalysed variably either by external G or branch point while
d. second transesterification is always caused by exon 1 -3’OH.