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TLS Online TPP Program

#Question id: 347

A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The concentration of Na+ ions will rise.

  2. The pH of the beaker's contents will increase.

  3. The pH of the beaker's contents will be neutral.

  4. The pH of the beaker's contents will decrease.

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TLS Online TPP Program

#Question id: 9168

#Unit 9. Diversity of Life Forms

Which of the following statements best describes the interaction between fire and ecosystems?
TLS Online TPP Program

#Question id: 4823

#Unit 8. Inheritance Biology

Which one of the following DNA markers can be used to distinguish between a homozygote and heterozygote ?
TLS Online TPP Program

#Question id: 1911

#Unit 4. Cell Communication and Cell Signaling

Which of the following does NOT minimize allogeneic graft rejection?
TLS Online TPP Program

#Question id: 28337

#Unit 5. Developmental Biology

Which of the following is not the Gap gene?
TLS Online TPP Program

#Question id: 1924

#Unit 4. Cell Communication and Cell Signaling

Antigens normally expressed only on embryonic cells but also sometimes found on tumors are known as: