What is the main component of the thin filaments in muscle fibers and is responsible for muscle contraction? actin myosin actin and myosin nerve and bone

M! (1). what are the inputs and the outputs for cellular respiration? (2). what is the primary source of energy for cellular respiration?

Four types of motile cells in human body?

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics