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Spirochetes have a twisting and flexing locomotion due to appendages called:
Perisplasmic Flagella (axial filaments)
The short, numerous appendages used by some bacterial cells for adhering to cell surfaces are called:
The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
The presence of thylakoids, phycocyanin, gas inclusions and cysts would be associated with
Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid. What is the identity of this structure:
Serological analysis for bacterial identification typically involves using:
Specific antibodies to the bacterial cell antigens
Which of the following, pertaining to prokaryotic cell membranes is mismatched:
Glycocalyx - regulates transport of nutrients and waste
All of the following structures contribute to the ability of pathogenic bacteria to call disease except:
A prokaryotic cell wll that has primarily peptidoglycan with small amounts of teichoic acid and lipotiechoic acid is:
The difference in cell wall structure of Mycobacterium and Nocardia compared to the typical gram positive bacterial cell structure is:
Predominance of unique, waxy, lipids
The most immediate result of destruction of a cell's ribosomes would be:
Protein synthesis would stop
If bacteria living in salty seawater were displaced to a freshwater environment, the cell structure that would prevent the cell from rupturing is:
If during the gram stain procedure, the bacterial cells were viewed immediately after crystal violet was applied, gram positive cells would be purple but gram negative cells would be colorless:
Endospores of certain bacterial species can enter tissue in the human body, germinate, and cause an infectious disease:
If you observe rod shaped, pink cells on a slide that had just been gram stained, you can assume that their cell walls contain endotoxins:
Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella:
When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible thread-like mass called the:
Which of the following is found in eukaryotic cells but not in prokaryotic cells:
All of the choices are correct
The endosymbiotic theory says that precursor eukaryotic cells acquired flagella by endosymbiosis with a ______ ancestor, and others gained photosynthetic ability from endosymbiosis with a ________ ancestor:
The cell's series of tunnel-like membranes functioning in transport and storage are the:
An organelle that is a stack of flattened, membraneous sacs and functions to receive, modify and package proteins for cell secretion is the:
Which organelle contains cristae where enzymes and electrons carries for aerobic respiration are found:
Fungi that grow as yeast at one temperature but will grow as mold at another temperature is called:
Classification of viruses into families involves determining all the following characteristics except:
The correct sequence of events in viral multiplication is:
Adsorption, penetration, replication, assembly, maturation, release (C)
The even that occurs in bacteriophage multiplication that does not occur in animal virus replication is:
Injection of the viral nucleic acid into the host cell
In general, most DNa viruses multiply in the host cell's ____________, while most RNA viruses multiply in the host cells ________.
The virus-induced, specific damage to the host cell that can be seen in a light microscope is called:
Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called:
Viral growth in bird embryos can cause discrete, opaque spots in the embryonic membranes called:
Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called:
Each virus is assigned to a genus status based on its host, target tissue and type of disease it causes.
Bacteriophages to not undergo adsorption to specific host cell receptors prior to penetration.
When a virus enters a host cell, the viral genes, redirect the genetic and metabolic activities of the host cell:
One of the principal capsid shapes is a 20-sided figure with 12 evently spaced corners referred to as an __________ capsid.
Diagnosis of viral infections sometimes involve analyzing the patient's blood for specific __________ that the immune system produced against the virus.
Two noncellular agents, smaller than viruses, are the infectious proteins called _________, and the infectious RNA strands called _______.
During lysogeny, an inactive prophage state occurs when the viral DNA is inserted into the bacterial _____ _________.
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