Which nitrogenous base is most likely the characteristic feature of RNA? A) adenine
B) cytosine
С) thymine
D) uracil

Need the diagram below, which is not drawn to scale, shows the position of the earth, moon, and sun. what type of eclipse occurs when the earth, moon, and sun are lined up in the order shown? a. planetary eclipse b. solar eclipse c. martian eclipse d. lunar eclipse

Do plant cells perform cellular respiration?

Evolution acts upon the population of organisms and not on each individual organism