Which type of pathogen can be classified by whether it has RNA or DNA as its nucleic acid?

The levels of organization from most simple to most complex are

Another name for the latent stage in an infectious disease is the _____ stage.

Veins and lymph vessels have all the following in common except:

You are a research assistant in a lab that studies nucleic acids. Your advisor gave you four tubes for analysis. Each of these tubes differs in its contents by the source of its nucleic acids: mouse cytoplasm (single-stranded RNA), yeast nuclei (double-stranded DNA), rotavirus (double-stranded RNA), and parvovirus (single-stranded DNA). The approximate nucleotide base composition of each sample is given in the table below. Tube A C U T G 1 32 17 0 32 19 2 34 16 15 0 35 3 30 21 0 23 26 4 33 16 34 0 17 Which tube most likely contains yeast nuclei?

DNA polymerases require all of the following for DNA replication, EXCEPT

Which of these single strand sequences or oligoes could form a hairpin structure?

Which of the following is true for prokaryotic translation, but not eukaryotic translation?

In Figure 4 the solid circles represent amino acids, the big and small ovals represent the small and large subunits of the ribosome. a, b, and c are three tRNAs after the peptide bond forms, what will happen next? Figure 4. 

The 5′ cap on an mRNA is important for all the processes listed below EXCEPT for the _________ of an mRNA molecule.