Answer:
The correct answer is option 3. a nucleus.
Explanation:
The first genetic material present in the early organisms were RNA which was present in the microscopic organisms back then 3.5 billion years ago which means it is normal to have RNA in such microfossils chemical analysis.
Since, the nucleus was not present in early life forms of prokaryotes like bacteria. so, it is unusual to find nucleus in the fossils of stromatolite rocks.
Thus, option III is the correct answer.
Answer:
The energy is mostly released as heat through the dog's activities; the nutrients either become part of the dog's body or are released to the ecosystem as wastes like urine, feces, and exhaled gases.
Explanation:
- The food that is consumed by an organism is digested and the nutrients obtained from the food are partly absorbed by the digestive system and assimilated and stored into the body and the nutrients that are not absorbed are released in the form of feces.
- The chemical energy obtained from the food is released in the form of heat through the activities that are done by the dog.
Https://www.ncbi.nlm.nih.gov/books/NBK10039/
Answer:
proteins, because it helps in the regulatory function of the body.
The highest power of x is 3, so this is a third degree multi-term expression, or polynomial. Thus, the answer is A.
