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TLS Online TPP Program

#Question id: 18892

The greatest resolution in light microscopy can be obtained with

#Unit 13. Methods in Biology
  1. Longest wavelength of visible light used
  2. An objective with minimum numerical aperture
  3. Shortest wavelength of visible light used
  4. Shortest wavelength of visible light used and an objective with the maximum numerical aperture
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TLS Online TPP Program

#Question id: 18942

#Unit 13. Methods in Biology

Bacterial artificial chromosomes (BACs), cosmids, phages, plasmids and yeast artificial chromosomes (YACs) are all commonly used cloning vectors that differ in their cloning capacities, with a range from approximately 100 bp to 1000 kb. Which of the following is the increasing cloning capacity?
TLS Online TPP Program

#Question id: 1280

#Unit 4. Cell Communication and Cell Signaling

Cellular responses to adhesion receptor signaling do not include:
TLS Online TPP Program

#Question id: 11169

#Unit 10. Ecological Principles

The viceroy butterfly (limenitis archippus) resembles the queen butterfly (danaus gilippus), a species toxic to birds because of alkaloids it stores during larval development from the milkweeds it feeds upon. The viceroy butterfly is an example of what kind of defense against predation?
TLS Online TPP Program

#Question id: 12266

#Unit 10. Ecological Principles

Populations inhabiting fragmented habitats form
TLS Online TPP Program

#Question id: 5752

#Unit 8. Inheritance Biology

base change that changes a codon for an amino acid to a stop codon