What emergency scene use for rope can help prevent a vehicle from falling when suspended over an edge?

Why does the initial rate of an enzymatic reaction eventually plateau at a maximal velocity even though the concentration of the substrate continues to be increased?

A) Enzymes are denatured following action on a substrate. B) High concentrations of substrate inhibit movement of the substrate to available enzymes. C) The enzyme available in the solution has been consumed. D) The enzyme is saturated and unable to bind substrate at a higher rate.

One strategy for avoiding plagiarism is to

A) Allow yourself time to write and cite properly B) Read all the material first, then start writing C) Invent the information yourself without using outside sources D) Write only when you have had a good night's sleep