A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how the cell could be classified

the cell is prokaryotic because it contains ribosomes

the cell is prokaryotic because it contains mitochondria

the cell is eukaryotic because it contains ribosomes

the cell is eukaryotic because is contains mitochondria

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?