Answer:D) two-thirds
Explanation:water is a necessary medium for the metabolic reactions of cells.it is necessary for the growth and productivity of cells as it is an important constituent of cells. It also helps in the transport of materials amongst cells, this is because water is a good solvent.water ia also able to form hydrogen bonding with many molecules
Answer:
A kinesin.
Explanation:
Kinesin is a protein belonging to a class of motor proteins found in eukaryotic cells.
Kinesins move along microtubule (MT) filaments, and are powered by the hydrolysis of adenosine triphosphate (ATP) which means kinesins are ATPases. Active movement of kinesins supports several cellular functions like mitosis, meiosis and transport of cellular cargo, such as in axonal transport.
Answer:
Explanation:
c each human being began as a single cells
