AP Biology· difficulty 2/5
All steroids share what structural feature?
A phosphate-sugar repeating backbone
A long fatty-acid hydrocarbon tail
A four-fused-ring carbon skeleton
A polypeptide chain of amino acids
Explanation
The four-ring (three 6-carbon, one 5-carbon) sterol skeleton, with different side groups giving cholesterol, testosterone, etc.
Want 10 more like this — adaptive to your weak spots?
Cellulose and starch are both glucose polymers, yet only starch is digestible by humans. Why?…
chevron_rightThe reaction depicted forms a peptide bond. This reaction is BEST classified as:…
chevron_rightThe 4 panels represent levels of protein structure. Which level is established by the SEQUENCE of amino acids encoded by mRNA?…
chevron_right