Answer:
either RNA or DNA
Explanation:
The advancement of biomedical research techniques and molecular biology has led to the observation of the close relationship between certain viruses and some cancers in various animals. Thus, it has been shown that several DNA and RNA viruses are oncogenic in a wide variety of animals, from amphibians to primates, and there is growing evidence that some human cancers have a viral origin.
Based on this, we can conclude that oncogenic viruses can be composed of DNA or RNA.
Consumers must obtain their nutrients and energy by eating other organisms. Decomposers break down animal remains and wastes to get energy.
Answer:
b., c., e. are the answers.
Purines have double rings, whereas pyrimidines have single rings.
The meristematic tissues is responsible for growth in angiosperms.
Answer:
It's too hard
Explanation:
do you go to school. What grade/year are you in?