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TLS Online TPP Program

#Question id: 1532

For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. Which of the following types of evidence will researchers be looking for in order to determine if the cells are cancerous?

#Unit 4. Cell Communication and Cell Signaling

  1. a particular gene that is amplified in all or most of the patient samples

  2. a pattern of fluorescence that indicates which cells are over proliferating

  3. a pattern shared among some or all of the samples that indicates gene expression differing from control samples

  4. a group of cDNAs that match those in non-breast cancer control samples from the same population

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TLS Online TPP Program

#Question id: 10703

#Unit 10. Ecological Principles

Keystone predators can maintain species diversity in a community if they
TLS Online TPP Program

#Question id: 11846

#Unit 6. System Physiology – Plant

In maize  orange pericarp (orp) mutant is
TLS Online TPP Program

#Question id: 1283

#Unit 4. Cell Communication and Cell Signaling

Which one of the following is NOT a property of perlecan?
TLS Online TPP Program

#Question id: 10251

#Unit 6. System Physiology – Plant

Initial phase of glycolysis, substrates from different sources are channeled into triose phosphate. For each molecule of sucrose that is metabolized, four molecules of triose phosphate are formed. This process how much requires ATP input?
TLS Online TPP Program

#Question id: 17672

#Unit 9. Diversity of Life Forms

Protection from desiccation