What is the function of calcium in skeletal muscles? a: it prevents the myosin head from binding with actin. b: it enables the myosin head to attach to actin. c: it provides energy for muscle relaxation. d: it triggers the myosin head to push the actin.

Describe how alleles and genes are related

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What's the waste product of electrons and pyruvate combining in fermentation?