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TLS Online TPP Program

#Question id: 11352

Experimental removal of predatory typhlodromus mites from strawberry fields illustrated which of the following?

#Unit 10. Ecological Principles
  1. Consumers can limit resource populations
  2. Resources can limit consumer populations
  3. Consumers have little or no effect on resource populations
  4. Species diversity of prey increases in the absence of predation
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TLS Online TPP Program

#Question id: 4396

#Unit 3. Fundamental Processes

It is suspected that a novel protein only interacts with the promoter region of a gene. Which of the following techniques should be used to confirm this suspicion?

A. EMSA

B. DNase footprinting

C. Filter binding

D. Gel mobility shift assay
TLS Online TPP Program

#Question id: 14990

#Unit 4. Cell Communication and Cell Signaling

Which smaller group of cells that crawl slowly along blood vessels, and that also  migrate into tissues in response to infection can differentiate into specific tissue macrophages ?
TLS Online TPP Program

#Question id: 3549

#Unit 8. Inheritance Biology

When a plant of chromosomal type aa pollinates plant of type AA, what is the chromosome constitution of embryo and endosperm is expected in the resulting seeds
TLS Online TPP Program

#Question id: 3926

#Unit 3. Fundamental Processes

Positive regulation of a gene requires __.
TLS Online TPP Program

#Question id: 28863

#Unit 2. Cellular Organization

Melanophores are cells of the vertebrate skin that contain hundreds of dark melanin-filled pigment granules called melanosomes. Melanophores either have their melanosomes dispersed or aggregated by__