Bioluminescence
... • This ctenophore Ocyropsis is heavily parasitized by amphipods, (Length approx. 5 cm) ...
... • This ctenophore Ocyropsis is heavily parasitized by amphipods, (Length approx. 5 cm) ...
Topical Antibiotics
... • Isolated from Pseudomonas fluorescens – Antibacterial activity of substance from P. fluorescens noted in 1887 – Purified in the 1960’s. ...
... • Isolated from Pseudomonas fluorescens – Antibacterial activity of substance from P. fluorescens noted in 1887 – Purified in the 1960’s. ...
Chapter 8 The Genetics of Bacteria and Their Viruses
... Double-stranded linear DNA genome Genome contains, 48,502 base pairs and about 50 genes May be lytic or lysogenic (inserted in the bacterial chromosome) ...
... Double-stranded linear DNA genome Genome contains, 48,502 base pairs and about 50 genes May be lytic or lysogenic (inserted in the bacterial chromosome) ...
Chapter 8 The Genetics of Bacteria and Their Viruses
... Double-stranded linear DNA genome Genome contains, 48,502 base pairs and about 50 genes May be lytic or lysogenic (inserted in the bacterial chromosome) ...
... Double-stranded linear DNA genome Genome contains, 48,502 base pairs and about 50 genes May be lytic or lysogenic (inserted in the bacterial chromosome) ...
Slide 1
... organic matter. This is usually the first stage of decay. Saprophytes produce enzymes that break down dead matter. They can then absorb the released nutrients. Bacteria and fungi feed saprotrophically. What would happen if they didn’t exist? ...
... organic matter. This is usually the first stage of decay. Saprophytes produce enzymes that break down dead matter. They can then absorb the released nutrients. Bacteria and fungi feed saprotrophically. What would happen if they didn’t exist? ...
Biology and Systematics of Colonial Organisms
... Coloniality is a very loosely used word in biology and if it is used precisely it generally has different meanings for different specialists. A very wide range of organisms are supposed to show colonial or social behaviour, including bacteria, protozoans, coelenterates, bryozoans, echinoderms, bival ...
... Coloniality is a very loosely used word in biology and if it is used precisely it generally has different meanings for different specialists. A very wide range of organisms are supposed to show colonial or social behaviour, including bacteria, protozoans, coelenterates, bryozoans, echinoderms, bival ...
Jon J. Calomiris, Water Research Program Manager at the United
... agency is subject to penalties for past violations of the Act. Chlorine can combine with natural organic compounds in raw water to create some undesirable by-products; on its own, however, it does not usually pose a problem to public health. The legislation regulates the byproducts. One concern wit ...
... agency is subject to penalties for past violations of the Act. Chlorine can combine with natural organic compounds in raw water to create some undesirable by-products; on its own, however, it does not usually pose a problem to public health. The legislation regulates the byproducts. One concern wit ...
Autonomic Nervous System
... – Drug must penetrate body tissue to reach bacteria (exception: GI infection) (unique targets: cell wall, protein synthesis, metabolic pathways…) – Bacteria targeted must be within the spectrum of the AB – Drug can be bactericidal or bacteriostatic – Different agents can be combined for synergistic ...
... – Drug must penetrate body tissue to reach bacteria (exception: GI infection) (unique targets: cell wall, protein synthesis, metabolic pathways…) – Bacteria targeted must be within the spectrum of the AB – Drug can be bactericidal or bacteriostatic – Different agents can be combined for synergistic ...
Lecture 16
... – Drug must penetrate body tissue to reach bacteria (exception: GI infection) (unique targets: cell wall, protein synthesis, metabolic pathways…) – Bacteria targeted must be within the spectrum of the AB – Drug can be bactericidal or bacteriostatic – Different agents can be combined for synergistic ...
... – Drug must penetrate body tissue to reach bacteria (exception: GI infection) (unique targets: cell wall, protein synthesis, metabolic pathways…) – Bacteria targeted must be within the spectrum of the AB – Drug can be bactericidal or bacteriostatic – Different agents can be combined for synergistic ...
List the ways that diseases are transmitted from
... Suppose a single bacterium is placed on an agar plate and the number of bacteria in the population doubles every 30 minutes. How long do you think it would take before there would be 1000 bacteria? To calculate how long it would actually take for the single bacterium to multiply to form a colony of ...
... Suppose a single bacterium is placed on an agar plate and the number of bacteria in the population doubles every 30 minutes. How long do you think it would take before there would be 1000 bacteria? To calculate how long it would actually take for the single bacterium to multiply to form a colony of ...
hOW SUbSUrFACE bACTErIA brEAThE AFFECTS UrANIUm
... demonstrated that both types of bacteria reduce dissolved uranium UVI to UIV. When phosphate was not present, the researchers observed different UIV reduction products for the two bacteria types from analysis of the UIV EXAFS measurements. gram-negative bacteria create uraninite; in contrast, grampo ...
... demonstrated that both types of bacteria reduce dissolved uranium UVI to UIV. When phosphate was not present, the researchers observed different UIV reduction products for the two bacteria types from analysis of the UIV EXAFS measurements. gram-negative bacteria create uraninite; in contrast, grampo ...
Chapter 6 Life Science Review Jeopardy
... bacteria? Scientists are continuing to find the cure to many diseases caused by bacteria and are also discovering other beneficial uses of bacteria. ...
... bacteria? Scientists are continuing to find the cure to many diseases caused by bacteria and are also discovering other beneficial uses of bacteria. ...
Bile Esculin Test
... Bile Esculin is a selective and a differential medium. It contains bile (which inhibits Gram-positive staphylococci) and sodium azide (which inhibits Gram-negative bacteria). It contains esculin and peptone as nutrient sources and ferric citrate as a color indicator. Esculin is a carbohydrate linked ...
... Bile Esculin is a selective and a differential medium. It contains bile (which inhibits Gram-positive staphylococci) and sodium azide (which inhibits Gram-negative bacteria). It contains esculin and peptone as nutrient sources and ferric citrate as a color indicator. Esculin is a carbohydrate linked ...
Determining titer of the coliphage by plaque count
... statistical estimate of phage titer can be made. The control plate containing only E. coli and sterile dilution broth in the overly should not show any plaques. A possible error in the titer can occur when more than one phage adsorbs onto a single bacterium or when two phages adsorb onto bacteria th ...
... statistical estimate of phage titer can be made. The control plate containing only E. coli and sterile dilution broth in the overly should not show any plaques. A possible error in the titer can occur when more than one phage adsorbs onto a single bacterium or when two phages adsorb onto bacteria th ...
Lab – Week 3 Preparing a Simple and Endospore Stain
... Assignments for this week Lab Reports - Gram stain: all questions - AF stain: drawings and questions 2-4 ...
... Assignments for this week Lab Reports - Gram stain: all questions - AF stain: drawings and questions 2-4 ...
Motility Handout
... If the organism is motile, you should see some of the bacteria darting about. In some cases, only a few bacteria will be moving, while the others are still. The organism must still be considered motile. Caution: A common mistake is to confuse Brownian motion (or movement) with motility. Brownian mov ...
... If the organism is motile, you should see some of the bacteria darting about. In some cases, only a few bacteria will be moving, while the others are still. The organism must still be considered motile. Caution: A common mistake is to confuse Brownian motion (or movement) with motility. Brownian mov ...
Antibacterials
... Overprescription can also have these results. Helpful bacteria in the alimentary canal can be wiped out by antibiotics and can be replaced by more harmful strains of the same bacteria. When antibiotics are used extensively, the few bacteria that survive pass on their resistance when they reprodu ...
... Overprescription can also have these results. Helpful bacteria in the alimentary canal can be wiped out by antibiotics and can be replaced by more harmful strains of the same bacteria. When antibiotics are used extensively, the few bacteria that survive pass on their resistance when they reprodu ...
JEOPARDY - Life Sciences Outreach at Harvard University
... A class of mutants that requires the presence of specific organic nutrients for their growth ...
... A class of mutants that requires the presence of specific organic nutrients for their growth ...
Eye and Ear infections
... Specimen collection - insertion of sterile swab into ear Causative agents – Pseudomonas spp. (most common) – Enterobacteriaceae spp., including E. coli and Proteus spp. Prevent through complete drying of ears using acidic alcohol (vodka and vinegar?) Rx with antibiotic containing otic drops ...
... Specimen collection - insertion of sterile swab into ear Causative agents – Pseudomonas spp. (most common) – Enterobacteriaceae spp., including E. coli and Proteus spp. Prevent through complete drying of ears using acidic alcohol (vodka and vinegar?) Rx with antibiotic containing otic drops ...
Summary of Biochemical Tests in Microbiology
... elevates the pH. Methods Loop inoculation of MR VP broth. Add methyl red indicator. Red = + for acid conditions. SA SE BS EC KP PV ST SF Yellow is – indicating more basic conditions. EF CLO PA ...
... elevates the pH. Methods Loop inoculation of MR VP broth. Add methyl red indicator. Red = + for acid conditions. SA SE BS EC KP PV ST SF Yellow is – indicating more basic conditions. EF CLO PA ...
Lab Quiz Material 3.4
... What is the consequence of overstaining / understaining? You have a coccus and rod of similar volume which is more likely to survive in a dry environment / moist environment? What is a basic dye? List some. What structure will it stain? What is an acidic dye? List some. What would the outside/inside ...
... What is the consequence of overstaining / understaining? You have a coccus and rod of similar volume which is more likely to survive in a dry environment / moist environment? What is a basic dye? List some. What structure will it stain? What is an acidic dye? List some. What would the outside/inside ...
Chemotherapy
... organisms. Overgrowth of pathogenic microbes can then occur. For example, Clostridium difficile is resistant to Clindamycin. Use of such an antibiotic permits the proliferation of C. difficile, which then elaborates its toxin in high concentration. This toxin can cause PMC, which can be fatal if no ...
... organisms. Overgrowth of pathogenic microbes can then occur. For example, Clostridium difficile is resistant to Clindamycin. Use of such an antibiotic permits the proliferation of C. difficile, which then elaborates its toxin in high concentration. This toxin can cause PMC, which can be fatal if no ...
Word Bank - FarrowMorey
... cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession ...
... cellular respiration competition consumer decomposer energy pyramid food web fungi predator prey producer photosynthesis symbiosis succession ...