Which of the following is not a characteristic of DNA? complementarity
antiparallel strands
double-stranded
composed of nucleotides
contains ribose

What processes take place before the mature mrna exits the nucleus?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur