Why do myosin filaments have club-shaped heads?
the heads are where acetylcholine binds to initiate contraction.
the heads bind calcium to initiate contraction.
the heads pull on the z discs during contraction.
the heads attach to and pull actin filaments during contraction.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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.

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype