Answer:
A. is repeated many times to ensure that the results are accurate
Explanation:
A controlled experiment is repeated many times to ensure that the results are accurate
Lysosomes, because they are the organelles that secrete these hydrolytic enzymes and help break down old organelles, viral/bacterial invaders, and food particles.
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<em><u>i think this could help :) </u></em>
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<em><u>Count the number of cells in each phase of mitosis. Add the data to the table on page 4. Calculate the percentage of cells in in each phase of mitosis. Step 2: Calculate the time an onion root tip cell spends in part of the cell cycle. </u></em>
Answer:
The thyroid.
Explanation:
This controls your adrenaline.
Brainliest?
