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TLS Online TPP Program

#Question id: 15451

T-cell dependent, B-cell activation require many signals except___

#Unit 4. Cell Communication and Cell Signaling
  1. Interaction with the T-cells through cross-links membrane immunoglobulin receptors (mIg)
  2. A separate interaction between CD40 (B-cell) and CD40L (T-cell)
  3. Signal by FDCs
  4. Delivers cytokines and other signals to its partner B cell
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TLS Online TPP Program

#Question id: 3687

#Unit 3. Fundamental Processes

As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?
TLS Online TPP Program

#Question id: 26441

#Unit 3. Fundamental Processes

NER component and their functions are given, match them correctly
TLS Online TPP Program

#Question id: 5818

#Unit 8. Inheritance Biology

How does recombinational repair differ from nucleotide excision repair (NER)?
TLS Online TPP Program

#Question id: 2852

#Unit 2. Cellular Organization

The chromosomal karyotypes of two species of small deer, the Reeves muntjac and the Indian muntjac, are strikingly different despite the fact that the two genomes contain about the same amount of DNA. However, within a species, there are properties of chromosomes that are the same, i.e. species-specific. Select the answer that contains all of these species-specific properties of chromosomes at metaphase
TLS Online TPP Program

#Question id: 26812

#Unit 8. Inheritance Biology

In an individual heterozygous, the abnormal chromosome loops out during chromosome pairing in prophase I, in which condition?