Answer:
D. Respiratory. but if were being technical and nit picking stuff A and C could also result in a deficiency of oxygen. but don't choose those.
This is the answer D. Respiratory.
The DNA is coiled extremely tightly around proteins called histones, like a thread on a spool. When DNA is wrapped around a a group of histones, it is called a nucleosome.
B is the right answer. Plants use light in photosynthesis to make food, and cellular respiration to break them down.
<span>Every cell in your body contains organelles. Just like organs in the body, each organelle contributes in its own way to helping the cell function well as a whole. The nucleusmitochondria and chloroplasts are all <span>organelles. Hope this helps!</span></span>