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TLS Online TPP Program

#Question id: 380

The Henderson-Hasselbalch equation:

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. allows the graphic determination of the molecular weight of a weak acid from its pH alone.

  2. is equally useful with solutions of acetic acid and of hydrochloric acid.

  3. relates the pH of a solution to the pKa and the concentrations of acid and conjugate base.

  4. does not explain the behavior of di- or tri-basic weak acids

More Questions
TLS Online TPP Program

#Question id: 7276

#Unit 5. Developmental Biology

The cells that make up a tetrapod limb arise from three developing tissues:

The ____a______ will provide skeletal precursors to the limb.

The _____b____ will provide muscle precursors to the limb.

The _____c____ will provide the skin of the limb.

Which of the following option is correct?
TLS Online TPP Program

#Question id: 2955

#Unit 2. Cellular Organization

Cyclin is to MPF as ............ is to cyclin-dependent kinases.
TLS Online TPP Program

#Question id: 2933

#Unit 2. Cellular Organization

During G1, prereplication complexes:
TLS Online TPP Program

#Question id: 781

#Unit 1. Molecules and their Interaction Relevant to Biology

siRNAs are involved in which of the following?
TLS Online TPP Program

#Question id: 11548

#Unit 7. System Physiology – Animal

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signaling is occurring?