The [relationship1] [relationship2] shows the relationship between transcription and translation, and where in the cell each occurs.

Target cells closest to the signal-producing cell can have different responses than target cells further away in paracrine signaling.

Which of the following directly contributes to the refractory period in a neuron?

The unidirectional propagation of nerve signals along an axon is promoted by which of the following?

Which of the following activities is not associated with post-transcriptional processing of mRNA?

Receptor-ligand interactions and enzyme-substrate interactions are similar because

Because of the nature of the start codon, all functional proteins have a methionine amino acid at their N-terminus.

The 5′ UTR on an mRNA is defined by the position of the stop codon.

The four promoters above are identified as A-D. Match each promoter with the correct RNA polymerase.

Eukaryotic mRNAs are monocistronic.