Is rna a carbohydrate, lipid, protein or nucleic acid

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?