Ernest was looking at the following diagram of a cell. Which statement best explains how he should classify the cell? A) He should classify the cell as a plant cell because it has a cell membrane.
B) He should classify the cell as an animal cell because it has a flagellum.
C) He should classify the cell as a plant cell because it has cytoplasm.
D) He should not classify the cell as either a plant cell or an animal cell.

Which of the following is a question of morality? a.) delierately reporting false data b.) accidentally reporting false data c.) kepping a sloppy record of experimental observation d.) condition a drug experiment which will harm a lab rats

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?