Which is NOT true about cofactors involved in enzymatic reactions?
A. They may alter the conformation of the enzyme.
B. They may be a metal such as iron.
C. They may be a substrate in a catalyzed reaction.
D. There must be equal quantities of enzyme and cofactor molecules for a reaction to proceed.
E. Only a small number of cofactor molecules may be needed to maintain enzyme activity.
D
You might also like to view...
Histamine release results in increased airway resistance and decreased airflow
Indicate whether this statement is true or false.
Answer the following statements true (T) or false (F)
1. New blade designs have resulted in extremely low values for the kinetic friction coefficients of ice hockey skates on ice. 2. Elite sprinters display greater impulse against the starting blocks than sub-elite sprinters. 3. Harder running surfaces result in greater ground reaction forces. 4. A motionless object sitting on a motionless surface, with no horizontal force application, has no friction. 5. From a mechanical perspective, it is easier to pull an object than to push it.
True or False? Many undergraduate anatomy programs study cats and rats in laboratory settings. Use of these animals is ideal because they are inexpensive, and although they are physically smaller, the internal structures are identical to humans.
Answer the following statement true (T) or false (F)
The tough, fibrous outer meningeal layer is called the:
A. pia mater. B. arachnoid. C. gray mater. D. dura mater.