Introduction to Biology

ubiquity CORRECT ANSWER Appearing everywhere other lifeforms exist, can be isolated from soil, water, plants, animals, & humans - does not apply to every species by microorganisms as a group Pathogenic CORRECT ANSWER The vast majority of microorg's are nonpathogenic Commensal CORRECT ANSWER microbe benefits - human is not affected Mutualism CORRECT ANSWER A relationship between two species in which both species benefit Saprophyte CORRECT ANSWER a plant, fungus, or microorganism that ...

What are the 5 categories of morphology? CORRECT ANSWER shape, margin, elevation, pigmentation production, and texture A colony CORRECT ANSWER is a visible mass of cells opportunistic pathogens CORRECT ANSWER capable of producing a disease state if introduced into a suitable part of the body free-living CORRECT ANSWER not known to cause disease, do not reside in specific plant or animal host reservoir CORRECT ANSWER serves as a potential source of infection Influences on pigment p...

Staphylococcus aureus (MRSA) CORRECT ANSWER Characteristics- Gram positive cocci most common staph infections can be isolated (MSA) pus forming Virulence- Enzyme: coagulase, catalase, nucleases Toxins: Cytotoxins, exfoliative toxins, enterotoxins(food poisoning), Immunity Diagnosis- Microscopy Isolation on cultures(grow rapidly/nonselective) Treatment- Antibiotics symptomatic with food poisoning Prevention- proper wound cleaning thorough hand washing Pathogenesis-...

What is the definition of a microbe? CORRECT ANSWER a living organism that requires a microscope to be seen What are some examples of microbes? CORRECT ANSWER E.coli, chickenpox, spirogyra Describe some problems with the definition of a microbe. CORRECT ANSWER 1) there are 'super-size' microbial cells which can be seen with the naked eye like Thiomaragrita nambiensis 2) Microbial communities - multicellular assemblages like mushrooms, kelps, and biofilms 3) Viruses - non-cellular par...

Glycolytic pathways CORRECT ANSWER break down sugars into pyruvate and related intermediates. TCA cycle enzymes eukaryotes CORRECT ANSWER mitochondrial location in eukaryotes TCA cycle prokaryotes CORRECT ANSWER cytoplasm location in prokaryotes Lipmann CORRECT ANSWER discovered coenzyme A Hans Krebs CORRECT ANSWER found the krebs cycle Electron transport and oxidative phosphorylation CORRECT ANSWER 4 ATP equivalents (2 ATP and 2 GTP) are synthesized directly from oxidation of glu...