Which of the following analogies best describes the motion of a nonmotile protist? . a. a boat is moved forward by several oars. . b. a boat is moved forward by a current. . c. a boat is moved forward by a single long oar. . d. a boat is moved forward by a motor.

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 of the following is a common response to cell signaling?

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer