If a large number of genes were mapped, how many linkage groups would be found in a bacterial cell with a single circular dna molecule

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

What organelle other than the nucleus houses dna in a eukaryotic cell?

Describe how a student should adjust the microscope to see the cells on a slide more clearly?