Khorana used synthetic mrnas to determine genetic code possibilities. to do so, he translated synthetic mrna in vitro in the presence of individual 14c-labeled amino acids. using the repeating dinucleotide poly-ug, he identified a polypeptide with which two amino acids alternating?

Chicken pox and hepatitis are bacterial diseases. true or false?

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Building glycogen from glucose molecules is an example of what