The sarcolemma is (the) endoplasmic reticulum of skeletal muscle fibers. cytoplasm of skeletal muscle fibers. cell membrane of skeletal muscle fibers. extension of the skeletal muscle cell membrane into the cell. none of the above.

answer; i believe the correct answer is ( proteins );

the statement is true

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

in a chemical reaction, the atoms and molecules produced by the reaction are called products. no new atoms are created, and no atoms are destroyed. in a chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.