Answer:
Larger uncharged polar molecules such as glucose, cannot go through cell membrane.
Explanation:
hope this helped you (ㆁωㆁ)
Answer:
hope it helps you....
Explanation:
Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell. Muscles function to produce force and motion.
Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
