What happens at the ribosome? a) protein synthesis b) mrna codons and their complementary trna anticodons match up c) amino acids are joined together by peptides bonds to make a polypeptide (protein) d) all of the above

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.