The interacting effects of temperature and food chain length on
... for two phases of population dynamics, as microbial community density can be variable and cyclic (Holyoak & Lawler 1996). Consequences of community response were evaluated by estimating their ability to decompose wheat grains. Microbial microcosms form an ideal system to test the interactive impacts ...
... for two phases of population dynamics, as microbial community density can be variable and cyclic (Holyoak & Lawler 1996). Consequences of community response were evaluated by estimating their ability to decompose wheat grains. Microbial microcosms form an ideal system to test the interactive impacts ...
Endocrine ppt 2014
... important in controlling level of calcium in blood. • N. Hyperparathyroidism- rare result of ...
... important in controlling level of calcium in blood. • N. Hyperparathyroidism- rare result of ...
PERSPECTIVE Chemical Mixtures: An Unsolvable Riddle?
... and which will be non-interactive according to concentration addition (dose addition). In other words, rather than attempt to predict interactions, the focus is on how to add the toxicity of chemicals in a mixture. Concentration addition (or dose addition) is based on the concept that a single chemi ...
... and which will be non-interactive according to concentration addition (dose addition). In other words, rather than attempt to predict interactions, the focus is on how to add the toxicity of chemicals in a mixture. Concentration addition (or dose addition) is based on the concept that a single chemi ...
food and industrial microbiology
... conditions, it requires a minimum water activity value of 0.86. Most molds and yeasts can grow at a minimum water activity value of 0.80. Thus a dry food like bread is generally spoiled by molds and not bacteria. In general, the water activity requirement of microorganisms decreases in the following ...
... conditions, it requires a minimum water activity value of 0.86. Most molds and yeasts can grow at a minimum water activity value of 0.80. Thus a dry food like bread is generally spoiled by molds and not bacteria. In general, the water activity requirement of microorganisms decreases in the following ...
Chemical Signals - Effingham County Schools
... have the same complex of four carbon rings but have different side chains ...
... have the same complex of four carbon rings but have different side chains ...
hormone
... generally controlled by the nervous system • the two are so closely linked that they are often considered a single system—neuroendocrine system ...
... generally controlled by the nervous system • the two are so closely linked that they are often considered a single system—neuroendocrine system ...
27-2 Respiration PowerPoint
... Alveoli provide an enormous surface area for gas exchange, and enable mammals to take in the large amounts of oxygen required by their high metabolic rates. ...
... Alveoli provide an enormous surface area for gas exchange, and enable mammals to take in the large amounts of oxygen required by their high metabolic rates. ...
Use of Selective and Differential Media
... can cause the complete hemolysis of RBCs will form colonies surrounded by clear zones. This is referred to as beta-hemolysis (b-hemolysis). Organisms that can convert hemoglobin to methemoglobin will form colonies surrounded by greenish zones. In this case the RBCs are not actually lysed, but the al ...
... can cause the complete hemolysis of RBCs will form colonies surrounded by clear zones. This is referred to as beta-hemolysis (b-hemolysis). Organisms that can convert hemoglobin to methemoglobin will form colonies surrounded by greenish zones. In this case the RBCs are not actually lysed, but the al ...
Brandi Deptula
... nutritional requirements. These species need not be identical in each termite; closely related species or species with overlapping functions suffice. However, in laboratory termite colonies, a rapid shift in community structure was seen when varying the food source between high and low molecular wei ...
... nutritional requirements. These species need not be identical in each termite; closely related species or species with overlapping functions suffice. However, in laboratory termite colonies, a rapid shift in community structure was seen when varying the food source between high and low molecular wei ...
Impacts of Pollutants on Beavers and Otters with Implications for
... even during winter could affect the movement of contaminants. In addition, the differences in trophic level (herbivorous beavers and carnivorous otters) and mobility (high site fidelity by beavers compared to otters) can influence the degree of biomagnification (Kidd et al. 2012) that may occur in t ...
... even during winter could affect the movement of contaminants. In addition, the differences in trophic level (herbivorous beavers and carnivorous otters) and mobility (high site fidelity by beavers compared to otters) can influence the degree of biomagnification (Kidd et al. 2012) that may occur in t ...
Marine Ecology
... have been shown to increase iron levels in surface waters up to 300 times greater then previous concentrations. Certain photosynthetic bacteria Trichodesmium, have also been shown to bloom in correlation with periods of high Saharan dust input. Trichodesmium is a marine bacterium that can utilize ni ...
... have been shown to increase iron levels in surface waters up to 300 times greater then previous concentrations. Certain photosynthetic bacteria Trichodesmium, have also been shown to bloom in correlation with periods of high Saharan dust input. Trichodesmium is a marine bacterium that can utilize ni ...
Antibiotic Use in DDGS Production
... bacteria, as well as breakdown of virginiamycin by Lactobacilli species, has been reported (Hynes et al., 1997). In addition, reports of cross-resistance exist between macrolide antibiotics (e.g. tylosin and erythromycin) and virginiamycin for gram positive bacteria (Cocito, 1979). However, resistan ...
... bacteria, as well as breakdown of virginiamycin by Lactobacilli species, has been reported (Hynes et al., 1997). In addition, reports of cross-resistance exist between macrolide antibiotics (e.g. tylosin and erythromycin) and virginiamycin for gram positive bacteria (Cocito, 1979). However, resistan ...
Biological process and Bioremediation
... • Any process that uses microorganisms, fungi, green plants or their enzymes to break down harmful chemicals and pollutants in order to return the environment to its original natural condition. ...
... • Any process that uses microorganisms, fungi, green plants or their enzymes to break down harmful chemicals and pollutants in order to return the environment to its original natural condition. ...
concepts-of-biology
... organisms would have flourished where they were more protected, such as in ocean depths or beneath the surface of Earth. At this time, too, strong volcanic activity was common on Earth, so it is likely that these first organisms—the first prokaryotes—were adapted to very high temperatures. These are ...
... organisms would have flourished where they were more protected, such as in ocean depths or beneath the surface of Earth. At this time, too, strong volcanic activity was common on Earth, so it is likely that these first organisms—the first prokaryotes—were adapted to very high temperatures. These are ...
Lesson 35. Spore forming Anaerobes
... causing bulging within the cell. They are soil saprophytes or normal commensals of the human and animal gut. However, they are capable of causing deadly diseases, which are invariably mediated by potent exotoxins. In addition to their colonial and microscopic morphologies, Clostridium species can be ...
... causing bulging within the cell. They are soil saprophytes or normal commensals of the human and animal gut. However, they are capable of causing deadly diseases, which are invariably mediated by potent exotoxins. In addition to their colonial and microscopic morphologies, Clostridium species can be ...
Document
... • Hormones circulate to all tissues but only activate cells referred to as target cells • Target cells must have specific receptors to which the hormone binds • These receptors may be intracellular or located on the plasma membrane • Examples of hormone activity • ACTH receptors are only found on ce ...
... • Hormones circulate to all tissues but only activate cells referred to as target cells • Target cells must have specific receptors to which the hormone binds • These receptors may be intracellular or located on the plasma membrane • Examples of hormone activity • ACTH receptors are only found on ce ...
Chapter 18, Part 2
... Synergistic effects! • Effects add together → effects of both together are greater than the sum of the effects of either alone! • Both glucocorticoids and GH spare glucose for use by the brain. Effects are additive.! ...
... Synergistic effects! • Effects add together → effects of both together are greater than the sum of the effects of either alone! • Both glucocorticoids and GH spare glucose for use by the brain. Effects are additive.! ...
PROKARYOTES: BACTERIA AND ACHEAEA
... R Plasmids and Antibiotic Resistance • R plasmids carry genes for antibiotic resistance • Antibiotics kill sensitive bacteria, but not bacteria with specific R plasmids • Through natural selection, the fraction of bacteria with genes for resistance increases in a population exposed to antibiotics • ...
... R Plasmids and Antibiotic Resistance • R plasmids carry genes for antibiotic resistance • Antibiotics kill sensitive bacteria, but not bacteria with specific R plasmids • Through natural selection, the fraction of bacteria with genes for resistance increases in a population exposed to antibiotics • ...
Bacillus anthracis
... same type of peptidoglycan as the vegetative cell wall; The cortex is composed of a unique peptidoglycan; The outer spore coat represents 30-60 percent of the dry weight of the spore. The spore coat proteins have an unusually high content of cysteine and of hydrophobic amino acids, and are highly re ...
... same type of peptidoglycan as the vegetative cell wall; The cortex is composed of a unique peptidoglycan; The outer spore coat represents 30-60 percent of the dry weight of the spore. The spore coat proteins have an unusually high content of cysteine and of hydrophobic amino acids, and are highly re ...
Grade name: Slags, lead reverbatory smelting Substance: Slags
... Xn; R48/20/22 Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. Xi; R41: Irritant; Risk of serious damage to eyes. R42/43: May cause sensitisation by inhalation and skin contact. Muta. Cat. 2; R46: May cause heritable genetic damage. Carc. Cat. 1; ...
... Xn; R48/20/22 Harmful: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. Xi; R41: Irritant; Risk of serious damage to eyes. R42/43: May cause sensitisation by inhalation and skin contact. Muta. Cat. 2; R46: May cause heritable genetic damage. Carc. Cat. 1; ...
Instructor PowerPoint
... • The SPO Virtual Classrooms offer many educational resources, including practice test questions, review questions, lecture PowerPoints, video tutorials, sample assignments and course syllabi. New materials are continually being developed, so check back frequently, or follow us on Facebook (Science ...
... • The SPO Virtual Classrooms offer many educational resources, including practice test questions, review questions, lecture PowerPoints, video tutorials, sample assignments and course syllabi. New materials are continually being developed, so check back frequently, or follow us on Facebook (Science ...
Organism Remodel Figures 20140619
... • Does this mean genetic CLASSIFICATION or does it just mean “shortcut” to the existing phenotypic classification ? • Facilitate automation and speeds detection/screening methodologies. ...
... • Does this mean genetic CLASSIFICATION or does it just mean “shortcut” to the existing phenotypic classification ? • Facilitate automation and speeds detection/screening methodologies. ...
A Practical Guide to Diagnosis and Treatment of Infection in the
... cellulitis is quite common in those with chronic edema such as right-sided congestive heart failure or venous stasis disease. In the case of the latter, when venous stasis dermatidis is present it is often difficult to determine when the person has cellulitis and when the redness and tenderness is m ...
... cellulitis is quite common in those with chronic edema such as right-sided congestive heart failure or venous stasis disease. In the case of the latter, when venous stasis dermatidis is present it is often difficult to determine when the person has cellulitis and when the redness and tenderness is m ...
Triclocarban
Triclocarban is an antibacterial agent common in personal care products like soaps and lotions as well as in the medical field, for which it was originally developed. Studies on its antibacterial qualities and mechanisms are growing. Research suggests that it is similar in its mechanism to triclosan and is effective in fighting infections by targeting the growth of bacteria such as Staphylococcus aureus. Additional research seeks to understand its potential for causing antibacterial resistance and its effects on organismal and environmental health.