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What effect may bacterial contamination have on urine pH?
Bacterial contamination will cause no effects if the sample is tested directly after collection. However, if the sample is allowed to sit, bacteria will multiply and raise the urine pH. Urine pH above 8 is abnormal.
What happens to urine if allowed it to stand without preservative?
If urine is allowed to stand without a preservative, bacterial growth can occur, leading to changes in pH and the breakdown of compounds like glucose and proteins. This can result in the urine becoming cloudy, foul-smelling, and potentially inaccurate for diagnostic testing.
What event transformed art during the resaissance?
The Renaissance was transformed by the revival of classical learning and humanism, which emphasized the study of ancient Greek and Roman texts and the beauty of the human form. This shift encouraged artists to focus on realism, perspective, and anatomy, leading to groundbreaking techniques in painting and sculpture, as exemplified by masters like Leonardo da Vinci and Michelangelo. Additionally, the invention of the printing press allowed for the wider dissemination of artistic ideas and techniques, further fueling innovation in the arts.
Who identified endospores?
Endospores were first identified by the French bacteriologist Louis Pasteur in the 19th century. However, it was Robert Koch who provided definitive evidence of their existence and significance in his studies on anthrax in the 1870s. Koch's work demonstrated how endospores allowed certain bacteria to survive extreme conditions, contributing significantly to microbiology and the understanding of bacterial life cycles.
Describe the experimental design that allowed Hershey and Chase to distinguish between the two options for genetic material?
Hershey and Chase knew that the particular phage they worked with has two basic components: DNA on the inside, coated with protein on the outside. In their expt theylabelled phages with radioisotopes . For one batch of infecting phages, they used a radioactive isotope of sulfur to label only the phages' protein coats.In another batch of phages, they used a radioactive isotope of phosphorus to label only DNA. Next, they allowed each batch of phages to infect separate cultures of nonradioactive bacterial cells. They then whirled each culture in a blender to shake loose any parts of the phages that remained outside the bacterial cells. Result of expt. confirmed that only DNA of phage entered bacteria .
What do you do when your brother is being mean to you but you're not allowed to hurt him back?
Silent treatment, works EVERYTIME
If your on house arrest do you have to have a job?
No you are not allowed to have a job unless your probation lets you. Everytime you leave the house you have to call your probation officer for permission.
When were romeo and Juliet allowed to be alone together?
They were never supposed to be together, so they were never allowed to be together. Everytime they meet or saw each was because of a lie they told their families, or because of seeking in and out.
Can genetic engineering techniques treat cystic fibrosis?
Yes, there are two similar techniques in which i am aware of.AdenovirusesFirstly adenoviruses are made harmless by interefering with a gene involved in replication. A healthy from of the CFTR gene is extracted and cut with restriction endonucleases, the same enzyme is used to cut a bacterial plasmid. The gene and plasmid are mixed together along with DNA ligase to anneal the phosphosugar framework of the DNA fragment and bacterial plasmid. The plasmid is then mixed with epithelial cells. The plasmid is then isolated and purified and places into adenoviruses. These are then placed onto the nostrils of individuals with cystic fibrosis. The viruses find their way to epithelial cells in the airways and injected their DNA. The DNA contains the functional CFTR gene, the cells can then produce fucntional CFTR proteins.LiposomesA healthy gene is extracted from a human. This gene is then inserted into a bacterial plasmid, in a similar manner as discussed above. The bacterial plasmids are then inserted into bacteria. These are allowed to grow and divide, producing large quantities of the plasmid, with the required gene. These plasmids are then extracted and coated in a lipid soluble substance. They are then put into nasal sprays and sprayed onto the nostrils of effected individuals.
How can potential energy be transformed into another energy type?
Potential energy can be transformed into kinetic energy when an object is in motion. This can happen when the object is released and allowed to fall due to gravity. Additionally, potential energy can be transformed into thermal energy through friction as the object moves.
Why should hunting and trapping be allowed?
i dont think that hunting should be allowed unless the whole animal is used. but besides that animals should live free like us instead of having to run for their lives everytime there is a hunter.
Is James potter's animagus a stag?
Yes, James Potter's Animagus form is a stag. He transforms into a stag during his time at Hogwarts, which earns him the nickname "Prongs." This ability allowed him to accompany his friend Sirius Black, who transformed into a dog, and Remus Lupin, who transformed into a wolf, during their adventures.
What is Septic System Installation in Suffolk?
Its a tank, typically underground, in which sewage is collected and allowed to decompose through bacterial activity before draining by means of a soakaway
How can Gravitational Potential energy be transformed?
Gravitational potential energy can be transformed into kinetic energy when an object falls from a height. It can also be transformed into other forms of energy, such as electrical or thermal energy, through various conversion processes like hydroelectric power generation or geothermal power plants.
What happens to the potential energy of a system if the objects in the system are allowed to move freely?
If the objects in a system are allowed to move freely, the potential energy of the system will decrease as it is converted into kinetic energy of the objects in motion. As the objects move, potential energy is gradually transformed into the energy of their motion.
How has biotechnology been beneficial in manipulating bacterial genomes?
Biotechnology has allowed for the development of precise tools such as CRISPR-Cas9 that can be used to edit bacterial genomes with high specificity. This has facilitated the creation of genetically modified bacteria for various purposes including bioremediation, bioproduction of valuable compounds, and understanding gene function.
What effect may bacterial contamination have on urine pH?
Bacterial contamination will cause no effects if the sample is tested directly after collection. However, if the sample is allowed to sit, bacteria will multiply and raise the urine pH. Urine pH above 8 is abnormal.
