Practice Questions

TLS Online TPP Program

#Question id: 23686

Bacteria containing recombinant plasmids are often identified by which process?

#Unit 13. Methods in Biology

examining the cells with an electron microscope
using radioactive tracers to locate the plasmids
exposing the bacteria to an antibiotic that kills cells lacking the resistant plasmid
removing the DNA of all cells in a culture to see which cells have plasmids

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TLS Online TPP Program

#Question id: 226

#Unit 1. Molecules and their Interaction Relevant to Biology

Which in not a lipid-soluble vitamin?

TLS Online TPP Program

#Question id: 11265

#Unit 10. Ecological Principles

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?

TLS Online TPP Program

#Question id: 15170

#Unit 2. Cellular Organization

Chemoheterotrophs are the bacteria which utilize

TLS Online TPP Program

#Question id: 10611

#Unit 10. Ecological Principles

If the net reproductive rate (R0) is equal to 0.5, what assumptions can we make about the population?

TLS Online TPP Program

#Question id: 15122

#Unit 8. Inheritance Biology

Which of the following is the best example of overdominance?