Which of the following best describes viral attachment?

Human males have _________ sex chromosome in their normal body cells.

Which of the following class of macromolecules is nonpolar?

How does your DNA differ from mine?

Which of the following chemical bonds holds monomers together to make a polymer?

Which of the following produces the most ATP per molecule of glucose?

Which of the following sequences mark the beginning and end of the gene during transcription?

Which of the following statements applies to facilitated diffusion?

Under what circumstance, would a cell capable of both fermentation and cellular respiration, switch from cellular respiration to fermentation?

Normally, a person would have how many alleles for a particular gene?