Atypical prokaryotic cell has about 3,000 genes in its dna, while a human cell has about 25000. approximately 1000 of these genes are present in both cell types. from what you know about evolution, explain how organizations can also have different genes. what sorts of functions might these shared genes have?

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.

The third stage of cellular respiration is (2 points)

Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?