Molecules of mRNA are composed of relatively short, single strands of molecules made up of adenine, cytosine, guanine and uracil bases held together by a sugar phosphate backbone.
Hope This Helps, Lexi
Answer:
Most of the stars in our galaxy are made of hydrogen gas.
The next thing for the nurse to do is to write down the normal breath sound in the patient's record. Soft, low pitched sound over the base of the lungs indicate normal breathing. The sound heard will be different if the lungs are infected. Thus, the lungs of the patient been examined is working perfectly; this should be documented in the patient's record.
I believe they are carbohydrates
