Which human chromosome pair determines biological sex?

What is the term for the group of hormone-secreting glands in the body?

What is the term for the genetic makeup of an organism?

What is the term for the division of the cell nucleus that results in two genetically identical daughter cells?

Which branch of biology deals with the study of viruses?

Which human body system includes the brain, spinal cord, and nerves?

What is the term for the physical appearance or observable characteristics of an organism?

What is the term for the smallest unit of heredity that determines a trait?

Which part of the eye controls the amount of light entering it?

Which disease results from the inability to produce or use insulin effectively?

Which structure in plant cells is responsible for storing water and maintaining turgor pressure?