TLS Online TPP Program

#Question id: 10835


Which of the following is not an example of coevolution?

#Unit 10. Ecological Principles
  1. Milkweeds and monarchs
  2. Mullerian mimicry
  3. Mutualism
  4. All of the above are examples of coevolution
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TLS Online TPP Program

#Question id: 24470

#Unit 3. Fundamental Processes

Two commonly used epitope tags are FLAG, which encodes the amino acid sequence ………..(single-letter amino acid code), and myc, which encodes the sequence……….. Respectively 

TLS Online TPP Program

#Question id: 11342

#Unit 2. Cellular Organization

What happens to K+ transport by valinomycin when the membrane is cooled below its transition temperature?

TLS Online TPP Program

#Question id: 20334

#Unit 4. Cell Communication and Cell Signaling

Sulfotransferases are the first enzymes of the core sulfation pathways, they transfer sulfate from PAPS to the hydroxyl or amino group of a wide variety of acceptors, as given below
a. Molecular basis of symbiotic host specificity in Rhizobium meliloti: nodH and nodPQ genes encode the sulfation of lipochito-oligosaccharide signals
b. Sulfation of the choriogonadotropin alpha subunit in human placental explants
c. Tyrosine sulfation of the amino terminus of CCR5 facilitates HIV-1 entry
d. A tyrosine-sulfated peptide based on the N terminus of CCR5 interacts with a CD4-enhanced epitope of the HIV-1 gp120 envelope glycoprotein and inhibits HIV-1 entry.
e. The Xanthomonas oryzae pv. oryzae raxP and raxQ genes encode an ATP sulfurylase and APS kinase that are required for AvrXa21 avirulence.
Which one of the following combination of above statements is correct?

TLS Online TPP Program

#Question id: 2818

#Unit 2. Cellular Organization

Human mitochondrial DNA

TLS Online TPP Program

#Question id: 28296

#Unit 5. Developmental Biology

mechanisms of egg activation in sea urchins-Bindin receptor responsible for the activation of____