Ribosomes consist of two biomolecules that are connected together. Between 37 and 62 percent of ribosomes are made of ribonucleic acid (RNA). The remaining parts of ribosomes are made up ofprotein.
Answer:
none of these codons
Explanation:
In order for mutation to occur to form methionine codon from an isoleucine codon, position 3 must be changed to a G, giving AUG. A secind mutation would then be required at a second site in the AUG codon. since the isoleucine codons, AUA, AUC and AUU does not have a G at position 3, a true reversion can't occur without mutating the position 3 again.
The answer to the question is B - The lungs exhale carbon dioxide, which is a waste gas and needs to be removed from the body.
Choice A is the correct choice, The graduation rate in a city and the rate of unemployment in that same city would not have a positive correlation.
The pneumatic bones are important to birds for respiration. They are hollow bones which are connected to the bird's respiratory system and are important for birds to be able to breath. Examples of pneumatic bones are the skull, humerus, clavicle, keel (sternum), pelvic girdle, and the lumbar and sacral vertebrae.