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TLS Online TPP Program

#Question id: 1980

For one person to produce over a million different antibody molecules could not possibly require over a million different genes. Instead, this variability is accounted for by which processes?

#Unit 4. Cell Communication and Cell Signaling

  1. alternative splicing of exons after transcription

  2. increased rate of mutation in the RNA molecules

  3. DNA rearrangements followed by alternative splicing of the transcripts

  4. DNA rearrangements in the thymus cells

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TLS Online TPP Program

#Question id: 11759

#Unit 9. Diversity of Life Forms

Thread-like pseudopods that can perform phagocytosis are generally characteristic of which group?
TLS Online TPP Program

#Question id: 23184

#Unit 13. Methods in Biology

FRET technique can be used to measure the local activity of a specific 
1. Protein kinase
2. Primer extension
3. Ion signalling
Which of the following are correct?
TLS Online TPP Program

#Question id: 12138

#Unit 10. Ecological Principles

The oak tree pathogen Phytophthora ramorum has migrated 650 km in ten years. West Nile virus spread from New York State to 46 others states in five years. The difference in the rate of spread is probably related to
TLS Online TPP Program

#Question id: 27392

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the following
TLS Online TPP Program

#Question id: 28252

#Unit 5. Developmental Biology

The force for sperm propulsion is provided by a protein, the protein is