What statement do you mean?
Haiii !! I believe the third option to be reasonable
<span>The
interaction of motor proteins such as dynein, is responsible for the movement
of organelles in cells which uses energy to move parts of the cytoskeleton. Cytoskeleton is a network of intermediate
filaments, microtubules and microfilaments that outspread throughout the
cytoplasm and serve a variety of signaling, transport and mechanical functions.</span>
Call the police and start CPR
I believe that a pair of homologous structures in this case is; Maple leaf and oak leaf. Homologous structures that have similar ancestries and common traits, however they may not have the same function in an organism. They appear in different animals or organisms, underlining anatomical commonalities demonstrating a descent from a common ancestor. Examples include the arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale.