Once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes (a) union with ribosome
(b) excision of introns
(c) fusion into circular forms known as plasmids
(d) linkage to histone molecules

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

The combining form leuk/o means red true or false