Which of the following best describes the important function of the nucleolus? A.
It produces mRNA, which is responsible for carrying messages to the ribosomes, the organelles that carry out protein synthesis.
B.
It produces the main component of ribosomes, which are in turn responsible for synthesizing proteins.
C.
It holds enzymes that break down waste and debris, turning them into useful material for the cell.

Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?