Answer: Mitochondria
Explanation: Mitochondria is an organelle responsible for cellular respiration which is the break down of Simple sugars into carbon dioxide,water,ATP( adenosine trisphosphate).
It has a double membrane,known as the power House of the cells found in the cytoplasm of most Eukaryotic organisms.The number of Mitochondria found in an organism varies according to the Oxygen requirements of that organism. In human liver contains about 2000 Mitochondria,the Red blood cells do not contain Mitochondria.
Answer:
scientists form opinions based on evidence and decide how the idea should change.
Explanation:
scientific rarely change , because they are based on extensive edivence. new evidence leads to modification of ideas
The actively dividing cells, or meristems, control plant growth. Primary (apical) meristems, the dividing tissue at the tips of the roots, grow longer roots, and secondary meristems, the dividing tissue seen in the cross-sections, grow thicker roots.
Cells defend themselves from viruses, bacteria with armor of protein errors
Explanation:
<u>System</u> is a combination of several organs that perform together for a common function.
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