A transition-state analog: Group of answer choices Has a higher Ks than the normal substrate. resembles the transition-state structure of the normal enzyme-substrate complex. stabilizes the transition state for the normal enzyme-substrate complex. typically reacts more rapidly with an enzyme than the normal substrate. None of the choices are correct.

Compare and contrast physical changes with chemical changes.

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied