Identify the structures of the heart.

What is the function of the structure labelled A?

Substitute the numbers (1), (2), and (3) with the

appropriate terms from the options below to best describe the process of

osmosis through a semi-permeable membrane:

The

movement of (1) molecules from an area of (2) to an area of (3).

Which best describes the solution the cell indicated by the arrow is situated within?

You estimate the size of a archaeal cell using a microscope in class, your estimate is most likely:

In an experiment, Oil Red O staining was used to identify the presence of fats in four unknown solutions of sugar-rich foods. To distinguish between the samples further, which test would be used to identify protein?

A journal article undergoes double blind review, this refers to:

The separation of molecules in the image shown occurs through:

What volume is this pipette set to dispense? 

In an experiment, erythrocytes (red blood cells) were placed in solutions with different concentrations of NaCl. Based on the image, which concentration has the lowest proportion of lysed cells?