TLS Online TPP Program

#Question id: 23198


The commonly used heavy metals in staining for electron microscopy are.
1. Uranium
2. Gold
3. Lead
4. Osmium
5. Platinum
Which of the following option has correct combination?

#Unit 13. Methods in Biology
  1. 1, 2&3     
  2. 1, 2, 3&4             
  3. 2, 3&4             
  4. 1, 2, 3, 4&5
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TLS Online TPP Program

#Question id: 30046

#Unit 6. System Physiology – Plant

The oxygenase activity of rubisco produces one molecule each of 3-phosphoglycerate and 2-phosphoglycolate due to this activity a loss of carbon fixed by the Calvin–Benson cycle and yields 2-phosphoglycolate which is a inhibitor of two chloroplast enzymes known as;

TLS Online TPP Program

#Question id: 2815

#Unit 2. Cellular Organization

Telomerase

a. extends DNA strands during DNA synthesis.

b. has reverse transcriptase activity.

c. is a protein-RNA complex.

d. replicates repetitious DNA located at the centromere.

TLS Online TPP Program

#Question id: 19203

#Unit 12. Applied Biology

Biological compound used in piezoelectric biosensor is

TLS Online TPP Program

#Question id: 10431

#Unit 6. System Physiology – Plant

The signal transduction pathways that lead to physiological or developmental responses, these responses fall into two general categories;
a) Ion fluxes, which cause relatively rapid turgor responses
b) the possible chain of events constituting the signal transduction pathways that bring about these effects
c) Altered gene expression, which typically results in longer-term responses
d) Gene expression altered shows short-term response
Which of the following combinations from above given general categories is true?

TLS Online TPP Program

#Question id: 5139

#Unit 5. Developmental Biology

There are two broad categories of receptors that activate tyrosine kinases: (1) those in which the tyrosine kinase enzyme is an intrinsic part of the receptor’s polypeptide chain, called the_________ and (2) those, in which the receptor and kinase are separate polypeptides, encoded by different genes, yet are bound tightly together, called the __________.