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TLS Online TPP Program

#Question id: 652

Two proteins, X and Y, bind to the same ligand, A, with the binding curves shown below. Which of the statement is correct for the graph analysing two proteins?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. For X, Kd is 1 micromole; for Y, Kd is 2 micromole & Because Y is half-saturated at a lower [B], it has a higher affinity for the ligand.

  2. For X, Kd is 3 micromole; for Y, Kd is 6 micromole & Because X is half-saturated at a lower [B], it has a higher affinity for the ligand.

  3. For X, Kd is 6 micromole; for Y, Kd is 2 micromole & Because Y is half-saturated at a lower [A], it has a higher affinity for the ligand.

  4. For X, Kd is 2 micromoles; for Y, Kd is 6 micromole & Because X is half-saturated at a lower [A], it has a higher affinity for the ligand.

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TLS Online TPP Program

#Question id: 28540

#Unit 5. Developmental Biology

WUS gene which involve to increase the number of stem cells, that basically promotes the transcription of___
TLS Online TPP Program

#Question id: 28541

#Unit 5. Developmental Biology

Following statements is related to the figure that required for the maintenance of stem cell number such as;
I-As stem cell number decreases, the level of CLV3 is reduced
II-an increase in the number of stem cells promotes transcription of CLV3
III-a small peptide binds to the receptor and supresses the expression of WUS
TLS Online TPP Program

#Question id: 28542

#Unit 5. Developmental Biology

If CLV3= undergo loss of function and CLV1/2 = undergo gain of function resulting;
TLS Online TPP Program

#Question id: 28543

#Unit 5. Developmental Biology

KNOX induce STM expression in the SAM activates the transcription of genes encoding isopentenyl transferases that leads to the biosynthesis of which hormones?
TLS Online TPP Program

#Question id: 28544

#Unit 5. Developmental Biology

Which of the following class of genes is to suppress the accumulation of GA in the SAM?
TLS Online TPP Program

#Question id: 28545

#Unit 5. Developmental Biology

KNOX genes directly repress the transcription of  enzyme, which encodes an enzyme for a rate-limiting step in biosynthesis of the active form of GA, the enzyme is known as___