DNA, with only 4 nucleotides repeating along a sugar-phosphate backbone, could account for the diversity of life because- A) It was a code, and it was very long.
B) it was surrounded by complex proteins in chromosomes.
C) life isn't really that diverse.
D) it is still a mystery.

The first three phases of the cell cycle are collectively known as (1 point) play audio cellular respiration. telophase. mitosis. interphase.

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal