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TLS Online TPP Program

#Question id: 18904

Advantages of using short half-life isotopes

#SCPH28 | Zoology
  1. It will be easier and cheaper to dispose of
  2. High specific activity makes the experiments more sensitive.
  3. Lower doses likely (e.g., in diagnostic testing of human subjects)
  4. a, b, and c all
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TLS Online TPP Program

#Question id: 9151

#SCPH06 I Botany

What would be the effect on climate in the temperate latitudes if Earth were to slow its rate of rotation from a 24-hour period of rotation to a 48-hour period of rotation?
TLS Online TPP Program

#Question id: 440

#SCPH06 I Botany

Nucleoside triphosphates exist in a cell as complexes with
TLS Online TPP Program

#Question id: 1593

#SCPH28 | Zoology

Which of the following results in long-term immunity?
TLS Online TPP Program

#Question id: 11418

#SCPH28 | Zoology

Use the following diagram of five islands formed at around the same time near a particular mainland, as well as MacArthur and Wilson's island equilibrium model principles


Which island would likely have the lowest extinction rate?
TLS Online TPP Program

#Question id: 2141

#SCPH28 | Zoology

Facilitated diffusion through a biological membrane is: