Which of these statements is true about autotrophs but not heterotrophs

before it leaves the nucleus of a eukaryotic cell, mrna is altered in the following ways: - a cap is added to the 5' end of the mrna molecule; - a poly a tail is added to the 3' end; - introns are removed and exons are spliced together.

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

-efficient data acquisition

-medical data processing

-data analysis for research

-voice recognition systems

helicase, i think thats it