Carbohydrates lipids proteins and nucleic acids are important molecules in living organisms. These large structures have similarities, however they have certain differences that may be used to distinguish them. Which of the following statement best describes the macromolecules ?

A) Oxygen and phosphate are found in carbon hydrates

B) Nitrogen atoms are found in proteins and lipids

C) Nitrogen and an R-group are present in proteins and nucleic acids

D) Hydrogen , carbon and oxygen atoms are present

D) Hydrogen , carbon and oxygen atoms are present

the answer would be   10%

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.