A catalase, an enzyme that breaks down hydrogen peroxide, is an example of a:

If one strand of a DNA molecule has the sequence of bases 5′-TAACGT-3′, the sequence on the complementary strand will be:

Which of the following structures is found in ALL cells?

All four of the molecules below are carbohydrates, which one would be classified as a monosaccharide?

The ________ is an organelle that extracts energy from food molecules and converts it into ATP. Known as the “powerhouse” of the cell.

Which cell structure is a semipermeable barrier between the inside and outside of the cell?

Which of the following is a component of the endomembrane system?

Which cell structure is responsible for protecting plant cells from bursting in a hypotonic environment?

Which of the following structures is NOT found in ALL cells?

The nonliving, relatively stiff outer coatings covering the cells of plants and fungi.