Adowned animal appears to be dead. what should you do before approaching this animal?

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above