The envelope of enveloped viruses

The plasma cells of the immune system are responsible for secreting protein antibodies into the bloodstream. Within the plasma cell, the antibody moves through several organelles in what order?  

Endosymbiosis of cyanobacteria is widely accepted as an explanation for the development of chloroplasts. The presence of endosymbiotic cyanobacteria provided a cell with the advantage of ______.

Two functions of bacterial appendages are ______ and _____.

The motile, feeding stage of protozoa is called the ______.

A bacterial cell exhibiting chemotaxis must have ______.

Persistent viruses that can reactivate periodically are ______.

Which organelle is found in algae but not in protozoa or fungi?

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and cilia.

Gram-negative bacteria