Which of the following features are common to all trna molecules? each is a single chain with between 73 and 93 ribonucleotides. they contain many unusual bases. about half the nucleotides are base-paired. they usually have a pg at the 5' terminus. all of the above.

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.

Which sentences describes a cycle of dependency? a. aid harms the local economy creating the need for more aid.b. aid improves infrastructure and creates more wealth and more good infrastructure.c. aid programs become more reliable over time so people can depend on them.d. no answer is correct