IKI staining solution is used to make the nuclei of cells visible.

  Interpret the results of the Iodine test. Test tube [a] does not contain starch. Test tube [b] is a positive result.

The ___ controls the amount of light that shines on the specimen.

What substance is used as a negative control for the Benedict’s test?

All living cells contain cytoplasm, a cell membrane, genetic material, and ___.

  Name the labeled structures of the animal cell model. Structure D [a]  Structure G [b] (two words)

  Equal amounts of dye A and dye B were placed on agar gel at the same time. After several hours, a halo was observed to form outwards from the point where dye A and dye B were placed. Which dye has a slower rate of diffusion? [a] Which dye has smaller molecular size? [b]

Proteins are made of repeating subunits called [a]. The subunits (or monomers) of proteins are held together by covalent bonds called [b] bonds.

  Choose your answer from the italicized words in the parentheses. Red blood cells are hemolyzed in (hypertonic, hypotonic, or isotonic) solution. [a] Red blood cells hemolyze when they (gain or lose) water. [b]

The minimum distance at which two distinct points in a specimen can be seen as separate structures is called ___.