Read the sentence from the section "Iridoplast Layers Cause Leaves To Shimmer." Like chloroplasts, these structures provide the cellular machinery for photosynthesis.

What is the meaning of the phrase "cellular machinery" as used in the sentence above?

A
something that changes the color of a plant
B
something that helps a plant adapt to a new environment
C
something that helps a plant create and store energy
D
something that helps a plant grow and change

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.