Robert leaves a chocolate bar in his car while attending school all day. when he goes to his car in the afternoon, the bar has changed into a gooey liquid. which statement best explains what happened to robert's chocolate bar? a) the energy from the sun caused the chocolate to melt. b) the chocolate in the bar spread out due to entropy loss. c) the energy holding the solid bar together was lost over time and it became liquid. d) the liquid was the original state of the chocolate and over time it returned to this state.

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions, because prokaryotes don't have nuclei.

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting