Which of the following is true?
a. introns have complementary sequences in dna
b. a pre-mrna molecule is longer than the gene from which the molecule was transcribed
c. a promoter is an intron
d. mrna molecules made from the same gene are always edited the same way

Someone me with this: a mineral' is determined by its actomic structure.

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.