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Micro Final
Final
Question | Answer |
---|---|
Which of the following microorganisms are not eukaryotic? | bacteria |
In which habitat would you most likely find archae? | all of these |
The microbial formation of alcohol from sugar is known as: | fermentation |
Which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery? | Lister |
The study of the body's defenses against pathogens is called | immunology |
Semmelweis advocated hand washing as a method of preventing which of the following diseases? | puerperal fever |
All of the following are aspects of Pasteur's experiments to disprove spontaneous generation except: | the flasks he used were sealed with corks |
Which of the following scientists was the first to develop a taxonomic system for classifying organisms? | Linnaeus |
Who discovered penicillin? | Fleming |
The laboratory of Robert Koch contributed which of the following to the field of microbiology? | all of them |
Which type of molecule contains the alcohol glycerol? | Lipids |
Which type of molecule is composed of (CH2O) in units? | carbohydrates |
This protein building block contains NH2 groups and a carboxyl group attached to the alpha carbon? | Amino Acid |
Which level of protein structure is composed of amino acids linked to form a polypeptide chain that is genetically determined? | primary |
These are the primary molecules making up plasma membranes in cells | phospholipids |
An atom of carbon that has six protons and seven neutrons is an example of | isotope |
The valence of an atom represents | its ability to interact with other atoms |
All of the following are associated with ionic bonds except: | radioactivity |
The most common long-term energy storage molecule is | fat |
Which of the following terms is not a component of bacterial flagella? | tubulin |
Proteins are polymers of | amino acids |
Which of the following bacterial cell structures plays an important role in the creation of bio films? | both A and C |
A bacterial cell moving toward light would be an example of | positive phototaxis |
Lipid A, associated with gram negative bacteria, is also known as | lipopolysaccharide |
All of the following statements concerning osmosis are true except: | during osmosis, water crosses to the side of the membrane with a lower concentration of solute |
Which of the following is NOT true of endospores? | endospores are reproductive structure |
The glycocalyx of a eukaryotic cell performs all of the following foundations except: | transfer of genetic material between cells |
Which of the following chemical substances contributes to the unique characteristics of acid-fast bacteria? | mycolic acid |
Which diagram of a cell wall is a gram negative cell wall? | B |
Which diagram of a cell wall contains teichoic acids? | A |
Which diagram is a cell wall is susceptible to penicillin? | A |
Which diagram of a cell wall contains porins? | B |
Which of the following organelles is responsible for producing most of the ATP in eukaryotic cell? | mitochondrion |
The chemical reactions that sustain life depend on which of the following to keep them going? | organic catalysts called enzymes |
Which of the following is common to both respiration and fermentation? | glycolosis |
The end product of glycolosis is: | 2 pyruvic acids |
Which system is responsible for producing the most ATP? | ETC |
The majority of metabolic pathways are: | amphibolic |
Reactions involved in the light-independent reactions of photosynthesis constitute the | calvin-benson cycle |
An anabolic process that synthesizes sugars from non-b=carbohydrate precursors such as amino acids, glycerol and fatty acids is: | gluconeogensis |
Redox reactions: | involve oxidation and reduction |
Energy yielding series of reactions | catobolism |
means whole enzyme | haloenzyme |
a non protein component of an active enzyme | coenzyme |
a measure of the rate of activity of an enzyme | turnover number |
a protein portion of an enzyme, inactive without a cofactor | apoenzyme |
changes the shape of the active site of an enzyme | noncompetitive inhibotor |
a mechanism by which fatty acids are degraded | beta oxidation |
very similar in shape or chemistry to the normal enzyme substrate | competitive inhibotor |
during glycolosis, glucose is oxidized and converted to two molecules of | pyrivate |
the steps of aerobic respiration in order are | glycolosis, krebs cycle, etc |
the end product of glycolosis is decarboxyled and converted to | acetyl coA |
chloroplast | light harvesting organelle |
its internal membranes are sites for ATP production | mitochondria |
a reaction is one in which a molecule accepts an electron | reduction |
a site of protein synthesis | ribosomes |
packages large molecules for export from the cell | golgi body |
in redox reactions, electron ______ give electrons to another molecule and are said to be _____ | donors/oxidized |
the molecule that accepts the electron is an electron _____ and is said to be | acceptor/reduced |
catabolic pathways are generally ____which means they ____ energy | exergonic/release |
anabolic pathways are generally ____ which means they ____ energy | enderogonic/require |
photosynthetic eukaryote that can convert CO2 in the atmosphere to carbohydrates | algae |
prokaryotes whose cell lack peptidoglycan and are often found in extreme environments | archea |
prokaryotes whose cell wall contains peptidoglycan, unicellular, and reproduce asexually | bacteria |
single cell eukaryotes that are typically characterized by their type of locomotion | protozoa |
eukaryotic organisms that possess cell walls and obtain their food from other organism | fungi |