In which stage of the cell cycle do the nucleus and its contents divide? Choose the correct answer. O gap 1
O gap 2
O mitosis
O synthesis

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

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

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture