I believe it’s referring to DNA they must contain DNA
The factors that most directly affect blood flow are blood pressure, blood volume, resistance and activity level.
true
Because there are children in africa starving... Duhhh!!!!!
Turn the revolving turret so that the lowest power objective lens is clicked into position. Place the microscope slide on the stage and fasten it with the stage clips. Look at the objective lens and the stage from the side and turn the focus knob so the stage moves upward.
