Which base is found only in rna?
a) ribose
b)thymine
c)uracil
d)deoxyribose

Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.