Which structure of a protein is the folding of the protein chain? answer options: a: primary b: secondary c: teriarty d: quaternary

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Give two examples of what would occur if one of the pairs did not match or had an extra chromosomes. explain how this might occur, and if it would be dangerous to the individual. fast.