In eukaryotic cells, how do transcription factors act to control gene expression?

a. they remove introns from pre-mrna.
b. they bind to regulatory regions of dna near the genes.
c. they insert themselves into dna near the beginning of a gene.
d. they code for the synthesis of rna polymerase.

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

Nucleic acids offer variability because they contain alternate forms of genes called .