What is not a structure used for locomotion in protists?

Explanation:

Locomotion bacteria, protists and fungi The movement for living beings can be the difference between living and dying, some of the bacteria have the ability to move through two mechanisms: movement by flagella and movement by sliding Movement by phalanges: in bacteria, the Flagella are thin and elongated structures that remain attached to the cell by one end. The flagella are made of a protein called flagelin and its shape is helical, for the movement the flagellum has a system called an engine that is at the base and the wall is connected to the membrane. The motor system works driven by protons that move thanks to the action of the proteins of the base of the scourge., The rotation and movement of the scourge are not constant and depend on stimuli. The flagella are arranged differently according to the type of bacteria, there are peritic, lofotrica and polar flagella.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

the answer is c because it is most logical.