Many different mitochondria
Answer:
All biological functions depend on events that occur at the molecular level. These events are directed, modulated, or detected by complex biological machines, which are themselves large molecules or clusters of molecules. Included are proteins, nucleic acids, carbohydrates, lipids, and complexes of them.
Explanation:
The similarity between tropic and nastic movement is - both are the result of external stimulus and the difference between tropic and nastic movement is the direction of the response is not dependent on the direction of the stimulus in the case of nastic movement but in the case of tropic movement, the response is dependent on the moment.
1. Metals are the best conductors because their electrons run freely (Copper, gold, silver...) .
2. Nonmetals are insulators because they have a tight hold on their electrons (Glass, plastic, wood...).
