Read the following passage and answer if the question is true or false.
Passage: A substantial portion of the volume of the cytoplasm of smooth muscle cells are taken up by the molecules myosin and actin, which together have the capability to contract, and, through a chain of tensile structures, make the entire smooth muscle tissue contract with them.

Question: is actin and myosin present in smooth muscle?

Is the answer True or False? Respond with only "True" or "False" and no additional text.
True.