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TLS Online TPP Program

#Question id: 343

Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?

#I Life Science/ Life Sciences Group – I-V

  1. 1 × 10^-9 mol of hydroxide ions per liter of lake water

  2. 1 × 10^-5 mol of hydroxide ions per liter of lake water

  3. 5.0 M hydroxide ion

  4. 5.0 × 10^-5 mol of hydroxide ions per liter of lake water

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TLS Online TPP Program

#Question id: 4330

#SCPH01 Biochemistry

Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?
TLS Online TPP Program

#Question id: 10789

#I Life Science/ Life Sciences Group – I-V

Trans-cinnamic acid, p-coumaric acid, and their derivatives are simple phenolic compounds known as
TLS Online TPP Program

#Question id: 5842

#SCPH06 I Botany

 In homologous recombination in E. coli, the protein that moves along a double-stranded DNA, unwinding the strands ahead of it and degrading them, is:
TLS Online TPP Program

#Question id: 1709

#SCPH01 Biochemistry

What are the specialized cell type involved in the entry of lymphocytes into lymph nodes called?
TLS Online TPP Program

#Question id: 2089

#I Life Science/ Life Sciences Group – I-V

What type of single-pass membrane protein would contain a hydrophobic membrane spanning alpha-helix?