Which two structures certain fish maintain their position in the water? gills and swim bladder fins and swim bladder fins and gills gills and lateral line

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

Which description provides the best objective summary of the article in the passage?

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin