Could you please answer these questions? Thanks QUESTION 4 Once glucose is in a
ID: 272559 • Letter: C
Question
Could you please answer these questions? Thanks
QUESTION 4 Once glucose is in a muscle cell, it will be converted through a series of metabolic reactions using enzymes. Which of the following will change when an enzyme is added to a reaction? 0 Activation energy will decrease. O Product energy will decrease. O AG will decrease. O Reactant energy will decrease. QUESTION 5 Enzymes can be characterized using Michaelis-Menten or Lineweaver-Burk plots. In those models, the Michaelis constant (Km) is a measure of which of the following? The maximum reaction rate. The binding affinity between enzyme and substrate, O The activation energy to reach the transition state. O The initial reaction rate. QUESTION 6 The next 4 questions are applied. You will have to use your notes and apply what you've learned to answer the questions. Glucose is initially absorbed in the intestinal lining. The high concentration of glucose in intestinal cells is maintained by the sodium glucose symporter via indirect active transport. Glucose transport into the intestinal lining is not spontaneous. However, sodium transport is spontaneous because the concentration of sodium is typically high outside the lining. How is the high concentration of sodium outside the intestinal lining maintained? O ATP is hydrolyzed in the sodium/potassium pump, pushing sodium ions out of the cell. O ATP is hydroyized directly by the glucose transporter to move sodium out of the cell. 0 Sodium transport is coupled to hydrogen ion transport, which has -AG. O Sodium is moved out of the cell by simple diffusion. QUESTION 7 Which of the following represents the point on a Michaelis-Menten curve where the enzymes are not working at peak efficiency because all enzymes are already bound by substrates? Initial Velocity ??? ovmaxExplanation / Answer
4. activation energy will decrease
5. binding affinity between enzyme and substrate
7. V max