If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction____________________?

Related Mcqs:

1. If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of____________________?

   A. Enzymes get denatured at higher substrate conc
   B. Rate of reaction is indirectly proportional to substrate concentration at this point
   C. All the active sites on enzyme molecule are occupied
   D. None of these

2. A three dimensional dcavity bearing a specific charge by which the enzyme reacts with its substrate is called_________________?

   A. Active site
   B. Binding site
   C. Catalytic site
   D. Allosteric site

3. If more substrate to already occurring enzymatic reaction is added more enzyme activity is seen because_____________?

   A. There is probably more substrate present than there is enzyme.
   B. There is probably more enzayme available than there is substrate.
   C. There is probably more product present than there is either substrate or enzyme.
   D. The enzyme substrate complex is probably failing to form during the reaction

4. A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?

   A. Co-enzyme
   B. Blocker
   C. Inhibitor
   D. Cofactor

5. The rate of reaction is directly proportional to the concentration of an enzyme which statement is incorrect in this respect_________________?

   A. Increase in enzyme molecule increases the available active sites.
   B. This relation is for unlimited time period with unlimited enzyme concentration
   C. If the concentration is doubled the rate will become two fold.
   D. None of these.

6. If more substrate to already occurring enzymatic reaction is added and there is no effect on the rate of the reaction what is the form given to this situation___________?

   A. Saturation
   B. Denaturation
   C. Composition
   D. Inhibition

7. Excessive increase in temperature of medium causes the enzyme molecule to____________?

   A. Activate
   B. Unaffected
   C. Denatured
   D. None of these

8. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

   A. Diffusion
   B. Passive transport
   C. Osmosis
   D. Active transport

9. Example of bacteria requiring low concentration of oxygen is__________?

   A. Campylobactor
   B. spirocheta
   C. E-coli
   D. Pseudomonas

10. In condition of high temperature, following does not occur or occurs at low level__________?

    A. Vasodilation
    B. Activation of sweat glands
    C. Thermogenesis
    D. Evaporative cooling