2. Which of the following correctly describe the colligative properties of aqueous solutions?Vapour pressure increases when nonvolatile solute molecules are added.II. Boiling point increases when nonvolatile solute molecules are added.III. Freezing point increases when nonvolatile solute molecules are added.IV. Osmotic pressure increases when nonvolatile solute molecules are added.I.А. I onlyВ. П and IIС. П and IVD. All of the above3. Estimate the Vmax and Km of the enzyme-catalyzed reaction for which the following datawere obtained:Vo (µM / min)[S] (M)2.5 x 10-6284.0 x 1061 x 10-52 x 1054 x 10-51 x 1042 x 10-31 x 10²407095112128139140A. Vmax = 140 and Km =1 x 10-5B. Vmax = 70 and Km = 1 x 10$C. Vmax = 140 and Km =1 x 10²D. Vmax = 70 and Km = 1 x 10-2 4. The graph below shows Vo vs Vo / [S] for an enzyme-catalyzed reaction. The blue curvewas obtained in the absence of inhibitor.Which of the other curves shows the enzyme activity when a competitive inhibitor isadded?Slope KV.A. Curve AB. Curve BC. Curve CD. None of the above5. The favorable growing conditions of a microbe is at 37°C and pH 6. Which of thefollowing classifications are correct?I ThermophileII. MesophileIII. AcidophileIV. NeutrophileA. I and IIB. I and IVC. Il and IIID. Il and IV6. Which of the following statement is the most appropriate for the description of a samplewhich has been filtered with 0.2 um syringe filterA. The sample is sterileB. All bacteria in the sample are removedC. Most of the cells or substances larger than 0.2 um are removedD. The sample was cleaned

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2. Which of the following correctly describe the colligative properties of aqueous solutions? I. Vapour pressure increases when nonvolatile solute molecules are added. II. Boiling point increases when nonvolatile solute molecules are added. III. Freezing point increases when nonvolatile solute molecules are added. IV. Osmotic pressure increases when nonvolatile solute molecules are added. А. П only В. П and III С. I and IV D. All of the above

2. Which of the following correctly describe the colligative properties of aqueous solutions? I. Vapour pressure increases when nonvolatile solute molecules are added. II. Boiling point increases when nonvolatile solute molecules are added. III. Freezing point increases when nonvolatile solute molecules are added. IV. Osmotic pressure increases when nonvolatile solute molecules are added. А. П only В. П and III С. I and IV D. All of the above

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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