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TLS Online TPP Program

#Question id: 4382

All of the following events play a role in yeast-mating type switching except

#3. Fundamental Processes

  1. methylation of the silent-mating-type locus.

  2. transcription of the gene at the MAT locus.

  3. chromatin condensation at the silent mating type locus.

  4. a recombination event known as gene conversion.

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TLS Online TPP Program

#Question id: 1104

#4. Cell Communication and Cell Signaling

Which of the following statements is true of signal molecules?
TLS Online TPP Program

#Question id: 15772

#5. Developmental Biology

A stem cell capable of producing all the cell types of a lineage is said to be
TLS Online TPP Program

#Question id: 9180

#9. Diversity of Life Forms

Which of the following statements can be accurately made about light in aquatic environments?
TLS Online TPP Program

#Question id: 23409

#Aptitude

Platinum is more costly than silver because it is
TLS Online TPP Program

#Question id: 9192

#8. Inheritance Biology

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