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TLS Online TPP Program

#Question id: 4635

Which statement about natural selection is most correct?

#XL - S Microbiology

  1. Adaptations beneficial in one habitat should generally be beneficial in all other habitats as well.

  2. Different species that occupy the same habitat will adapt to that habitat by undergoing the same genetic changes.

  3. Adaptations beneficial at one time should generally be beneficial during all other times as well.

  4. Well-adapted individuals leave more offspring, and thus contribute more to the next generationʹs gene pool, than do poorly adapted individuals.

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TLS Online TPP Program

#Question id: 7007

#XL - T Zoology

The change in the state of specification of imaginal disc of Drosophila to that of a different disc type is known as:
TLS Online TPP Program

#Question id: 151

#XL - T Zoology

The isoelectric point of alanine is pH = 6.15. It is mixed with proline (pHCOOH = 2.0; pHNH2= 10.6), and the mixture is placed in an electric field at pH 6.15. Which statement is true?
TLS Online TPP Program

#Question id: 357

#XL - Q Biochemistry

What is the concentration of H+ in a solution of 0.1 M NaOH?
TLS Online TPP Program

#Question id: 5253

#XL - S Microbiology

In a hypothetical situation, the genes for sex pilus construction and for tetracycline resistance are located together on the same plasmid within a particular bacterium. If this bacterium readily performs conjugation involving a copy of this plasmid, then the resultshould be
TLS Online TPP Program

#Question id: 11568

#XL - T Zoology

In a lactating mammal, the two hormones that promote milk synthesis and milk release, respectively, are ________.