Microbiology Demystified

For example, pathogens require the substrate para-aminobenzoic acid (PABA) in order to synthesize folic acid. Folic acid is a co ...

Penicillin Gis the prototype compound for natural penicillin as is used in defense of staphylococci, streptococci, and several ...

Monobactams Monobactams are synthetic antibiotics that have a single lactam ring and re- sist penicilinase. Monobactams destroy ...

PROTEIN INHIBITORS A protein inhibitor drug interferes with the pathogen’s capability to synthesize protein. The commonly used p ...

Chloramphenicol Chloramphenicol is a broad-spectrum antibiotic that is small enough to effect areas of the body that are too sma ...

color. A commonly used rifamycin is rifampin, which is used to attack myco- bacteria that cause tuberculosis and leprosy. Quinol ...

Polyenes Polyenes are a group of antifungal antibiotics that combine with the ergosterol in the plasma membrane of fungi. This c ...

Amantadine Amantadine prevents a virus from entering the cell or from uncoating once the virus enters the cell. It is used (thou ...

Diiodohydroxyquin Diiodohydroxyquin is used to treat intestinal amoebic diseases. However, diiodohydroxyquincan cause damage to ...

Chemotherapy Tests Achemotherapy testis a scientific test that determines which antibiotic combats a particular pathogen. These ...

peutic agent. The minimal bactericidal concentration is the lowest concentration of a chemotherapeutic agent needed to kill a pa ...

What destroys many types of bacteria? (a) Narrow-spectrum antibiotics (b) Broad-spectrum antibiotics (c) Porins (d) Hydrophilic ...

249 Final Exam What microorganisms can be harmed by oxygen? (a) Obligate aerobes (b) Facultative anaerobes (c) Obligate anaerob ...

A medium containing no living organisms is called a (a) sterile culture medium (b) an obligate medium (c) a chemically defined ...

A prokaryotic organism is a one-celled organism that does not have a dis- tinct nucleus. (a) True (b) False Why is a fungus cal ...

Activation energy is the energy required to begin a chemical reaction. (a) True (b) False What process is used to break down gl ...

(c) organic stable atoms (d) unstable atoms A reaction that breaks the bond between atoms of a molecule or com- pound is called ...

What regulates the movement of molecules through the cytoplasmic membrane? (a) Channel proteins (b) Transmembrane proteins (c) ...

What is a nanometer? (a) 1/1,000,000,000 of a meter (b) 1/100,000 of a meter (c) 1/1,000,000 of a meter (d) 1,000,000,000 meter ...

Fungi have a cell wall composed of peptidoglycan and muramic acid. (a) True (b) False Identification is the process of observin ...