Answer:
Store and transfer genetic information
Explanation:
B) Oxygen may not have been able to accumulate in the atmosphere
The rough ER is involved with protein synthesis. It helps to produce proteins and help them fold properly.
Answer: The given statement is True.
Food chain can be described as the sequence of transfer of energy and matter among different organisms present within an ecosystem.
It starts with producers ( occupying the first trophic level), which are consumed by consumers in a successive manner ( primary consumer→ secondary consumers→ tertiary consumer or decomposers).
Therefore, producers are beginning link in a food chain whereas decomposers occupy the last level in a food chain.
Answer:
4.Cell wall protects the cell whiles organelles are found in the cell itself which is having the cell wall