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TLS Online TPP Program

#Question id: 2114

A research team is working on the design of a new drug for the treatment of lung cancer. To be most effective, this drug must specifically enter the cytoplasm of lung cells while not entering the cells of other tissues. Which of the following characteristics would likely enhance the specificity of this drug?

#XL - T Zoology

  1. the relative hydrophobicity of the drug molecule

  2. phospholipid composition of lung cell plasma membranes

  3. specificity of the drug molecule for binding to the extracellular matrix of lung cells

  4. similarity of the drug molecule to other molecules normally transported lung cells

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TLS Online TPP Program

#Question id: 8861

#XL - T Zoology

Which of the following is true of members of the phylum Cnidaria?
TLS Online TPP Program

#Question id: 1682

#XL - Q Biochemistry

Extensive allelic polymorphism is found in MHC:
TLS Online TPP Program

#Question id: 374

#XL - S Microbiology

The pH of a sample of blood is 7.4, while gastric juice is pH 1.4.  The blood sample has:
TLS Online TPP Program

#Question id: 12063

#XL - R Botany

Green algae often differ from land plants in that some green algae
TLS Online TPP Program

#Question id: 2118

#XL - T Zoology

Which of the following statements correctly describes the normal tonicity conditions for typical plant and animal cells? The animal cell is in: