The secondary structure of a peptide backbone is stabilized by forming either a(n) or a(n) .

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?