How does an enzyme affect the activation energy of an enzyme controlled reaction?

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

Crossing over is a method of (blank)?