A is the answer for this question
Answer:
Option B. Viral genes may be encoded by DNA or RNA, but cellular genes are always encoded by DNA.
Explanation:
Virus is a unique organism having unique characteristics which act as both living and non living. In cell, it is living while outside the cell it is present in crystalline form. Virus is composed of two genome i. e. DNA or RNA. But cell is composed of only DNA genome. There is no nucleus present in virus. Mitochondria and ribosome are also absent.
Answer:
Explanation:
Humans are 99% identical and what makes each one of us nunique is like 0.1% of our genome and the human genome is up of three billion base pairs which mean 0.1% is still equal to three million base pairs. In those three million differences lies the changes that gives you the green eyes instead of blue eyes etc.
Heterotrophs are a type of consumer, where they eat other organisms.
They obtain organic food molecules by eating other organisms.