Why are chromosomes visible during mitosis but not at all other times?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Explain how the political influence of african americans leaders became weaker.

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them