What do enzymes do? A. Enzymes speed up (catalyze) chemical reactions.
B. Enzymes slow down (inhibit) chemical reactions.
C. Enzymes have no effect on chemical reactions.
D. Enzymes are essentially useless.

A. Enzymes speed up (catalyze) chemical reactions.

Explanation: Enzymes increase the rate of all the chemical reactions within cells.

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;