What molecule was theorized to give rise to many of the important bio molecules that we see 1 point are important to life today?
A)protein
B)amonia
C)RNA
D)fats

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Matched chromosomes carrying information about the same characteristics in the organism are called