Lesson 4.8 – Exponential Growth and Decay
... 1) A colony of bacteria grows according to the law of uninhibited growth. If 100 grams of bacteria are present initially, and 250 grams are present after two hours, how many will be present after 4 hours? 2) The half-life of Uranium-234 is 200,000 years. If 50 grams of Uranium-234 are present now, h ...
... 1) A colony of bacteria grows according to the law of uninhibited growth. If 100 grams of bacteria are present initially, and 250 grams are present after two hours, how many will be present after 4 hours? 2) The half-life of Uranium-234 is 200,000 years. If 50 grams of Uranium-234 are present now, h ...
Microbial Diversity Contents Microbial World Microbial Diversity
... On the genetic level, it is well accepted that two isolates are part of the same species if their 16S rRNA genes share at least 98% identity (or 97%?) “while many people had felt that genomics would clarify the species concept in prokaryotes, it has actually done the exact opposite and made it ...
... On the genetic level, it is well accepted that two isolates are part of the same species if their 16S rRNA genes share at least 98% identity (or 97%?) “while many people had felt that genomics would clarify the species concept in prokaryotes, it has actually done the exact opposite and made it ...
Emerging Frontiers in Geomicrobiology
... processes are interconnected?”, and, “To what degree do the mechanisms of environmental geomicrobiological or for seeking direct evidence of early life and metabolisms. Furthermore, microbial metal cycling, electron transfer, processes provide insight into complex microbial function and biomineraliz ...
... processes are interconnected?”, and, “To what degree do the mechanisms of environmental geomicrobiological or for seeking direct evidence of early life and metabolisms. Furthermore, microbial metal cycling, electron transfer, processes provide insight into complex microbial function and biomineraliz ...
Uranium Mining: Australia and Globally
... The long-term management of uranium mill tailings present a major environmental challenge. Given the tailings contain most of the original radioactivity of the ore (i.e. the decay products), they must be isolated from the environment for periods of at least tens of thousands of years – a time scale ...
... The long-term management of uranium mill tailings present a major environmental challenge. Given the tailings contain most of the original radioactivity of the ore (i.e. the decay products), they must be isolated from the environment for periods of at least tens of thousands of years – a time scale ...
Outline for Unknown Bacteria Report
... these stains is a key step (yet not the entirety) of the process in determining the identity of an unknown or disease causing bacteria. Gram + bacteria and Gram – bacteria effectively split the bacterial kingdom into two separate categories. Acid Fast + bacterial cells are indicative of one main bac ...
... these stains is a key step (yet not the entirety) of the process in determining the identity of an unknown or disease causing bacteria. Gram + bacteria and Gram – bacteria effectively split the bacterial kingdom into two separate categories. Acid Fast + bacterial cells are indicative of one main bac ...
Microbiology
... Refrigeration (watch out for _______________! Freezing forms ice crystals that damage microbial cells ...
... Refrigeration (watch out for _______________! Freezing forms ice crystals that damage microbial cells ...
Chemical Agents
... effectiveness 1. Predict the effects of (1) microbial population size and composition, (2) temperature, (3) exposure time, and (4) local environmental conditions on antimicrobial agent effectiveness 2. Describe the processes used to measure antimicrobial killing rates, dilution testing, and in-use t ...
... effectiveness 1. Predict the effects of (1) microbial population size and composition, (2) temperature, (3) exposure time, and (4) local environmental conditions on antimicrobial agent effectiveness 2. Describe the processes used to measure antimicrobial killing rates, dilution testing, and in-use t ...
Document
... expense of the exercise may not be too great in all cases, and the information may even be helpful for some sites, but not always. At any rate it is optional at best. MICROBIAL NUTRITION It might be useful to think of each bacterial cell as a small chemical factory in which raw materials (the target ...
... expense of the exercise may not be too great in all cases, and the information may even be helpful for some sites, but not always. At any rate it is optional at best. MICROBIAL NUTRITION It might be useful to think of each bacterial cell as a small chemical factory in which raw materials (the target ...
L6- Problem Solving with Exponential Growth and Decay
... b) How many bacteria are present after 8 hours? c) How many bacteria are present after 16 hours? ...
... b) How many bacteria are present after 8 hours? c) How many bacteria are present after 16 hours? ...
Summaries 1 to 4
... characteristics depending on what growth stage they are in, which influences what kinds of proteins (metabolites) they make. Bacteria are more vulnerable to antibiotics during exponential growth because they need their ribosomes, cell wall, etc. to function during growth and this is what antibiotics ...
... characteristics depending on what growth stage they are in, which influences what kinds of proteins (metabolites) they make. Bacteria are more vulnerable to antibiotics during exponential growth because they need their ribosomes, cell wall, etc. to function during growth and this is what antibiotics ...
Bacterial cultivation
... Colony- A bacterial population derived from one bacterial cell. The cells within the colony have ...
... Colony- A bacterial population derived from one bacterial cell. The cells within the colony have ...
GM bacteria
... • Genetically Modified Organisms are organisms that have been genetically altered to carry and/or produce a certain necessary gene. This is done by inserting the required gene into the organism’s DNA. • There are three types of GMO’s: animals, plants and bacteria We focused on bacteria. ...
... • Genetically Modified Organisms are organisms that have been genetically altered to carry and/or produce a certain necessary gene. This is done by inserting the required gene into the organism’s DNA. • There are three types of GMO’s: animals, plants and bacteria We focused on bacteria. ...
Chemotherapeutic Agents
... higher temperatures usually increase amount of killing Local environment: many factors (e.g., pH, viscosity and concentration of organic matter) can profoundly impact effectiveness organisms in biofilms are physiologically altered and less susceptible to many antimicrobial agents. Organic matt ...
... higher temperatures usually increase amount of killing Local environment: many factors (e.g., pH, viscosity and concentration of organic matter) can profoundly impact effectiveness organisms in biofilms are physiologically altered and less susceptible to many antimicrobial agents. Organic matt ...
Microbiology of environment
... water the normative documents or state standards are taken. Microbiologic index of safety of potable water are the following: 1. Common microbial number in one ml of water no more than 100. 2. Number of bacteria of intestinal rod group (coliindex) in 1000 ml of water - no more than 3. 3. Index of fr ...
... water the normative documents or state standards are taken. Microbiologic index of safety of potable water are the following: 1. Common microbial number in one ml of water no more than 100. 2. Number of bacteria of intestinal rod group (coliindex) in 1000 ml of water - no more than 3. 3. Index of fr ...
Biohazard and Sharps Safety
... Residue contamination is the most likely chemical hazard. ◦ Once a residue occurs it cannot be removed ◦ Be aware of and fully comply with the stated withdrawal dates for a particular vaccination. ...
... Residue contamination is the most likely chemical hazard. ◦ Once a residue occurs it cannot be removed ◦ Be aware of and fully comply with the stated withdrawal dates for a particular vaccination. ...
Sulfur Cycle
... Fe/Mn-reducing microbes (FMRM) A wide phylogenetic diversity of microorganisms, (archaea and bacteria), are capable of dissimilatory Fe(III) reduction. Most microorganisms that reduce Fe(III) also can transfer electrons to Mn(IV), reducing it to Mn(II). Two major groups, those that support growth b ...
... Fe/Mn-reducing microbes (FMRM) A wide phylogenetic diversity of microorganisms, (archaea and bacteria), are capable of dissimilatory Fe(III) reduction. Most microorganisms that reduce Fe(III) also can transfer electrons to Mn(IV), reducing it to Mn(II). Two major groups, those that support growth b ...
Applied Microbiology
... detritus ( fresh or partially decomposed organic matter) – bacteria and fungi are key players in the process of decomposition ...
... detritus ( fresh or partially decomposed organic matter) – bacteria and fungi are key players in the process of decomposition ...
Applied Microbiology
... detritus ( fresh or partially decomposed organic matter) – bacteria and fungi are key players in the process of decomposition ...
... detritus ( fresh or partially decomposed organic matter) – bacteria and fungi are key players in the process of decomposition ...
Chapter 23 Bacteria Guided Reading
... 2. What are the 2 domains of prokaryotes? Why are bacteria classified in one group or the other? ...
... 2. What are the 2 domains of prokaryotes? Why are bacteria classified in one group or the other? ...
The bacterial world
... Independently in the environment : - aquatic (pond, river, sea…) - soil - air (only a way of conveyance) … sometimes in extreme environments (volcano, geyser, deep trenches…) ...
... Independently in the environment : - aquatic (pond, river, sea…) - soil - air (only a way of conveyance) … sometimes in extreme environments (volcano, geyser, deep trenches…) ...
Jaume Bibiloni Isaksson
... • AAnPB have been identified in a wide variety of cultured and uncultured bacterioplankton, such as α, β, and γ-Proteobacteria. • Roseobacter group belong to AAnPB, a cultured representative, 1 in 5 bacteria cells inhabiting coastal waters. • Also important in DMSP degradation (cleavage/demethylati ...
... • AAnPB have been identified in a wide variety of cultured and uncultured bacterioplankton, such as α, β, and γ-Proteobacteria. • Roseobacter group belong to AAnPB, a cultured representative, 1 in 5 bacteria cells inhabiting coastal waters. • Also important in DMSP degradation (cleavage/demethylati ...