Scientific inquiry that uses observations from an investigation to arrive at a general conclusion is which of the following?

A beaker has distilled water and an unknown liquid in it. After several minutes of trying to mix the two liquids, they remain as two distinct layers. Which of the following is a plausible conclusion to this situation?

Which of the following best desribes the structure of deoxyribonucleic acid?

Energy is recycled back into the ecosystem by which of the following?

Match the cellular component with its description. 

The organelles found in plants responsible for photosynthesis describes which of the following?

A Transmission Electron Microscope allows one to see extreme detail of the surface of a specimen.

Which of the sequences represents the correct order for decreasing complexity in loving systems?

The function of the ___ is to regulate transport and separate the internal cellular components from the exterior. It is selectively permeable.

A cell biologist looks through a microscope at a cell which contains a cell wall and a central vacuole storing water. Which organism would properly be categorized into which of the following?