Amethyst Mine Panorama is located just 60KM East of Thunder Bay Ontario, on the gorgeous Lake Superior Circle Route. Open 7 days a week, holidays contained, from June 1st until October 1st. This active working amethyst mine greets visitors on a seasonal basis.
What location is the site of an active amethyst mine in Arizona?The Arizona Amethyst is drilled in the Four Peaks Mountain Range, which is right further of Fountain Hills. In fact you can see the mountain range right from Sami's store!
Where is the best amethyst mined?Though the vast majority of the amethyst in the need is from Brazil and Uruguay, gem dealers will tell you that some of the finest amethyst arrives from Africa.
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This glaucoma treatment may be used to create a new opening for the escape of aqueous humor from the anterior cavity of the eye, thus relieving intraocular pressure:
This glaucoma treatment may be used to create a new opening for the escape of aqueous humor from the anterior cavity of the eye, thus relieving intraocular pressure: trabeculectomy
What does Glaucoma mean?
A collection of eye conditions known as glaucoma can result in vision loss and blindness by harming the optic nerve, a nerve located in the back of the eye. You may not notice the symptoms at first because they can appear gradually. Getting a thorough dilated eye exam is the only method to determine if you have glaucoma.
Glaucoma is a lifelong condition and should be referred to as a permanent disorder because it can be managed conservatively.
The procedure of treating glaucoma with surgery is known as trabeculectomy. Trabeculectomy is a filtering surgery where an ostium is created into the anterior chamber from underneath a partial thickness scleral flap to allow for aqueous flow out of the eye.
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Provide one argument for the case that you are exploiting your organelles.
If organelles are being exploited, a cell won't be able to survive.
At various phases of their invasion and replication, viruses take over various cell organelles, including the endosomes, endoplasmic reticulum (ER), Golgi complex, mitochondria, and nucleus, starting from the cell membrane with a wide assortment of receptors.
Researchers have figured out how cells locate and eliminate a mitochondrial organelle that, if destroyed, can cause genetic issues, cancer, neurological illnesses, inflammatory diseases, and aging. Diabetes, heart disease, Alzheimer's disease, Parkinson's disease, and even normal aging have all been related to mitochondrial dysfunction.
Lysosomes (vacuoles in yeast and plants) and autophagosomes subsequently combine to destroy the contents of the autophagosomes. The removal of excess or damaged organelles, clumped proteins, or pathogens from the cell through this breakdown process is essential for maintaining cellular homeostasis.
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Protective membranous coverings that lie between bony coverings and the soft tissues of the cns are called?
Protective membranous coverings that lie between bony coverings and the soft tissues of the cns are called the meninges.
What are the brain meninges?The brain meninges are the three protective membranous thin layers of tissue that cover and protect the brain and spinal cord of the nervous system.
These meninges are:
The dura mater: They are the tough and inflexible outermost of the three layers of the meninges.Arachnoid mater: The middle layer of the meninges. A membrane that protects the brain and spinal cord below the dura mater and above the subarachnoid space and the pia mater.Pia mater: The innermost of the meninges, the membranes that surround the brain and spinal cord.So therefore, the protective membranous coverings that lie between bony coverings and the soft tissues of the cns are called the meninges
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If one day you are less able to recognize familiar sounds, this lobe of the cortex is probably at fault?
If one day you are less able to recognize familiar sounds, Temporal lobe of the cortex is probably at fault.
One of the cortex's four main lobes is the temporal lobe. It is primarily in charge of deciphering the sounds coming from the ears and is crucial for understanding and using language. The temporal lobe collaborates with other neural regions to form fresh, long-term memories, and it aids in object recognition as well.It is also thought that the temporal lobes are crucial for processing affect/emotions, language, and some facets of visual perceptionThe left side of the dominant temporal lobe, which is the side in most people, is involved in verbal learning and memory as well as language comprehension.People who suffer temporal lobe lesions have trouble categorizing words, sounds, or visuals. Damage to the temporal lobe can have an impact on language.learn more about temporal lobe here: https://brainly.com/question/1004131
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Why did Mendel use pea plants in his experiments?
A farmer stopped maintaining a field that was once used to grow crops. Overtime the field eventually became a forest. These changes us illustrates the process of
Answer:
secondary succession
Explanation:
the ecological succession that occurs after primary succession.
The contraction of striated muscle is initiated by the release of energy in the presence of
The contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
What is a muscle?A muscle can be defined as soft and band of fibrous tissue in a human or animal body that has the ability to contract to produce movements of the body parts
I'm conclusion, the contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
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The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (Choose the most accurate term.)
The close contact between newborns and family members allows them to become colonized with microbes that become established as their microbiota.
What is microbiota?The microbiota refers to the microorganisms that form part of the digestive system of an individual.
Newborns do not have microbiota and they acquire it by contact with family members.
In conclusion, the close contact between newborns and family members allows is required for the establishment of the microbiota.
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Visual examination of his chest reveals that the lower portion of the sternum is depressed. Auscultation of the lungs and heart is unremarkable. What disorder of the thorax best describes these findings
The person might be suffering from pectus excavatum or funnel chest.
Pectus excavatum
The funnel chest is caused by the depression formed towards the lower portion of the sternum. The deformation of the sternum can be symmetrical or one side might be more prominent than the other. Such a condition can affect the normal functioning of the heart and lungs and might induce a feeling of insecurity in the children because of their body shape. Funnel chest is more common in young males than in females and its symptoms include
BreathlessnessChest painFatigueDizzinessTachycardiaIt can be present during birth or may develop as the child grows. An X-ray or a CT scan is used to diagnose the patient. Cardiopulmonary exercise testing (CPET), heart scans, breathing tests, etc are used to gauge the severity of the condition. Most often people with such conditions are able to live a normal life.
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Which is the predominant immunoglobulin produced after a host’s re-exposure to an antigen?
The predominant immunoglobulin produced after a host’s re-exposure to an antigen is Immunoglobulin G (IgG).
Immunoglobulin G is a type of antibody, representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation. IgG molecules are created and released by plasma B cells.
The functional activities of IgG molecules, such as bactericidal effect mediated by complement, viral neutralization, inactivation of toxins and opsonization, are important for the development of an effective immune response against a large range of microorganisms and their toxic products
The IgG average range is between 549-1600 mg/dL in the body.
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In the movement of water across a selectively permeable membrane lab. What substance was actually able to pass through the membrane?
If the membrane is selectively permeable or semipermeable membrane molecules, such as hydrocarbons and oxygen can only cross the cell membrane.
Larger molecule like hydrocarbons and carbon cannot cross the cell membrane . water can only cross between the lipids .Hence ,Osmosis is a special type of diffusion, that allows diffusion of water across a semipermeable membrane. Water readily crosses a membrane down its potential gradient from high to low potential. Osmotic pressure is the force required to prevent water movement across the semipermeable membrane. Any substance crosses the cell membrane by two basic ways passive transport, which requires no energy; and active transport, which requires energy.
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4. Which of these is an example of a vertebrate?
snails
frogs
sea stars
squid
Frogs are the vertebrates as they possess a backbone. The others fall under invertebrates as they do not possess a backbone.
Animals can be classified based on the presence or absence of a backbone. Vertebrates are animals with a backbone.
Vertebrates are classified into five subgroups:
Mammals : Mammals are warm blooded vertebrate animals that possess mammary glands and feed their young ones with the milk produced from their mammary glands. Example : cats, dogs etc.Birds : Birds are warm blooded vertebrate animals that have the ability to lay eggs and possess a beak, feathers and a lightweight skeleton. Example : pigeon, eagle etc.Reptiles : Reptiles are cold blooded vertebrate animals that possess limbs. dry scales on their skin and can also lay eggs. Example : crocodile, tortoises etc. Amphibians : Amphibians are also cold blooded vertebrate animals that spend their lives partly in water and partly in land. Example : frogs, salamanders etc.Fish : Fish are cold blooded vertebrate animals that live in water, possess fins and gills and can produce eggs. Example : sharks, catfish etc.Learn more about vertebrates at
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Answer:
Frogs
Explanation:
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Photodecomposition, photomutagenicity and photocytotoxicity of retinyl palmitate under He-Ne laser photoirradiation and its effects on photodynamic therapy of cancer cells in vitro
The effects on photodynamic therapy of cancer cells in vitro is that retinyl palmitate (RP) can be used 24 h before PDT to enhance its effects. RP is not mutagenic under irradiation with He–Ne laser.
HeLa cells with or without RP (retinyl palmitate) that was incubated with the cells for a short or long incubation period prior to PDT are typically used to test the effects of PDT (photodynamic therapy) using hematoporphyrin derivatives (HpD) as photosensitizer under He-Ne laser irradiation.
No photodecomposition of RP alone is visible, but a small amount is seen of in the presence of HpD under He-Ne laser irradiation is seen. No photomutagenicity is often seen under laser irradiation. HeLa cell viability can be dramatically reduced by RP alone. A 24 hour incubation period before PDT increased the cytotoxicity of PDT on HeLa cells.
Therefore, retinyl palmitate (RP) can be used 24 h before PDT to enhance its effects. RP is not mutagenic under irradiation with He–Ne laser.
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Comparing plant and animal cells Drag the correct label under each cell structure to identify whether it is found only in animal cells, only in plant cells, or in both types of cells. Labels can be used once or more than once.
The correct answers are:
Lysosome - found in ANIMAL cells but not most plant cells
Cell wall - found in PLANT cells but not animal cells
Nucleus - found in both PLANT and ANIMAL cells
Chloroplast - found in PLANT cells but not animal cells
Rough endoplasmic reticulum (ER) - found in both PLANT and ANIMAL cells
CellsAll biological things are constructed from simple units called cells. Millions of billions of cells make up the human body. They give the body structure, absorb nutrients from the diet, transform those nutrients into energy, and perform certain tasks. Furthermore, cells may replicate themselves and hold the body's genetic material.
The various components of cells each serve a unique purpose. Organelles are specialized structures that carry out particular functions for the cell among these other sections. All biological things are constructed from simple units called cells. All biological things are constructed from simple units called cells. Millions of billions of cells make up the human body.
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When your cell makes a new compound, such as glycogen from many glucose molecules, usable energy is needed and is obtained by which action?
When cells makes a new compound, such as glycogen from many glucose molecules, usable energy is needed and is obtained by removing a phosphate group from ATP, producing energy plus ADP plus phosphate.
What is ATP?This is referred to as adenosine triphosphate and is the energy currency of the cells.
This is usually formed from the synthesis of ADP and a phosphate group thereby making it the most appropriate choice.
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How does the structure of the digestive tract in different invertebrate groups affect the size of the organisms that they can eat
Answer:
Sponges and Cnidarians have a central body cavity and not a digestive system
Explanation:
Psl 250 when the ventricles are contracting, blood is flowing through which valves?
Pulmonary valve and Aortic valve
During systole, the aortic and pulmonic valves open to permit ejection into the aorta and pulmonary artery.
What happen when ventricles contract ?When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery
Then it travels to the lungs. In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left atrium.When the left ventricle contracts, it forces blood through the aortic semilunar valve and into the aorta. The aorta and its branches carries the blood to all the body's tissues.Learn more about Ventricles here:
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What are four possible phenotypes in this dihybrid punnett square?
A neurotransmitter binds to a metabotropic receptor and pka is ultimately activated, which type of neurotransmitter likely bound?
A Final statement or concluding statement
Adrenergic neurotransmitter is likely to bound.
What neurotransmitter activates adrenergic receptors?The neurotransmitter norepinephrine (NE) is released by adrenergic nerves and binds to specific receptors in the target tissue to produce physiological responses. The binding of neurotransmitters to receptors activates signal transduction pathways, resulting in the observed changes in cardiac function.
Adrenergic receptors (adrenoceptors) are receptors that bind adrenergic agonists consisting of the sympathetic neurotransmitter NE and the circulating hormone epinephrine (EPI). The maximum essential adrenoceptor withinside the coronary heart is the β1-adrenoceptor. When activated via way of means of a β1-agonist consisting of NE or EPI, coronary heart charge is elevated conduction pace is elevated contractility is elevated, and the charge of myocyte rest is elevated.
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What two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged from common ancestors, relative to other events happening on Earth
Answer:
"DNA mutation rate" and "Homologous structures".
Homologous and analogous structures are two types of evolutionary evidence, taken together, provide strong evidence for when extinct species most likely diverged from common ancestors, relative to other events happening on Earth.
Several types of evidence support the theory of evolution: If two or more species share a unique physical feature, such as a complex bone structure or body plan, they can all inherit this property from the common ancestor. Physical traits shared through evolutionary history (common ancestor) they say they are homologous. Not all physical properties that look similar are signs of common ancestry. Some physical similarities instead are analogous: they evolved independently in different organisms because organisms lived in similar environments or experienced similar selective pressures.
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The superior region of the right ventricle narrows before it leads into the ______. Multiple choice question.
Pulmonary trunk
The right ventricle pumps deoxygenated blood into the pulmonary trunk, which leads toward the lungs and bifurcates into the left and right pulmonary arteries.
What is Pulmonary trunk ?The pulmonary trunk is a major vessel of the human heart that originates from the right ventricle. It branches into the right and left pulmonary arteries, which lead to the lungs.
It divides into the left and right pulmonary arteries, which carry blood with relatively low oxygen content and high carbon dioxide content into the lungs.The pulmonary trunk is approximately 50 mm long and 30 mm wide (most authors use 29 mm in males and 27 mm in females (axial width) as the cut-offs of normal 1,5).Learn more about Pulmonary trunk here:
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how does precipitation helps in formation of soil
Answer: increase the degree of weathering and therefore the extent of soil development.
Explanation:
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Methicillin is an example of the beta-lactam class of drugs that?
Answer:
Meticillin (INN, BAN) or methicillin (USAN) is a narrow spectrum beta-lactam antibiotic of the penicillin class.
Explanation:
Like other beta-lactam antibiotics, methicillin acts by inhibiting the synthesis of bacterial cell walls. It inhibits cross-linkage between the linear peptidoglycan polymer chains that make up a major component of the cell wall of gram-positive bacteria.
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Answer:
target gram-positive bacteria
Explanation:
To be specific, they block the synthesis of the bacterial cell wall that is composed of peptidoglycan which methicillin targets
What conclusion can be made if the cell margins of a biopsy are clear when observed under a microscope
The cancer has not invaded other tissues is the conclusion which can be made if the cell margins of a biopsy are clear when observed under a microscope in this scenario.
What is Biopsy?
This medical procedure involves taking sample of cells or tissues from parts of the body and observing it under a microscope.
The microscope function is to enlarge the objects which are positioned on the objective lens thereby making it possible for them to be seen more clearly and accurately.
If the cell margins of a biopsy are clear when observed under a microscope, it means the cancer hasn't invaded other parts while in a scenario where the cell margins are crowded then it depicts the presence of cancerous cells thereby making it the most appropriate choice.
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Which of the situations is an example of the crowding-out effect on investment as it pertains to macroeconomics?
The crowding out effect is an economic theory arguing that rising public sector spending drives down or even eliminates private sector spending. Crowding out of investment is defined as a situation when increased interest rates lead to a reduction in private investment spending such that it dampens the initial increase of total investment spending is called crowding out effect. The impact of crowding out can be increased government borrowing and spending causing a reduction in private spending. Because government borrowing increases the cost of private loans and uses up capital that may have been deployed elsewhere, businesses and individuals don't borrow or spend as much money.
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Answer: Jack wants to borrow money to create a cowboy-themed inflatable bounce house for kids called "Wild Wild West." However, the government is running a deficit which has increased interest rates so much that Jack can no longer afford to borrow the money.
Which action is characteristic of the hormone vasopressin?
ADH increases arteriole constriction and tubular permeability to water
Vasopressin, also referred to as antidiuretic hormone (ADH), is a hormone secreted by the posterior pituitary gland. Arteriole constriction and tubular permeability to water are both increased by ADH. Calcitonin and parathyroid hormone levels in the blood regulate calcium equilibrium (PTH). the hormone that aids in blood vessel constriction and aids the kidneys in regulating the body's salt and water balance. This aids in regulating both blood pressure and urine production.
Sensors (baroreceptors) in the heart and big blood vessels can identify a drop in blood volume or low blood pressure that happens after dehydration or a hemorrhage. These encourage the secretion of anti-diuretic hormones.
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Describe the activities of the enzymes required to construct a recombinant dna molecule.
Recombinant DNA is the approach of becoming a member of two or greater DNA molecules to create a hybrid. The technology is made possible via sorts of enzymes, limited endonucleases, and ligase. A limit endonuclease acknowledges a specific collection of DNA and cuts within, or close to, that series.
Recombinant DNA is the method of joining or extra DNA molecules to create a hybrid. The technology is made possible via forms of enzymes, limited endonucleases, and ligase. A limit endonuclease acknowledges a specific sequence of DNA and cuts within, or near, that collection.
A recombinant DNA molecule is produced by using joining together two or greater DNA segments typically from different organisms. greater especially, a recombinant DNA molecule is a vector (e.g. plasmid, phage, or virus) into which the preferred DNA fragment has been inserted to enable its cloning in the proper host.
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Match the organism to the infection: Group of answer choices Streptococcus pyogenes [ Choose ] Varicella zoster [ Choose ] Papillomavirus [ Choose ] Enterococcus faecium [ Choose ] Borrelia burgdorferi [ Choose ] Bordetella pertussis
S. pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, E. faecium cause urinary tract infection B. burgdorferi causes Lyme disease and B. pertussis causes Pertussis.
What is Bordetella pertussis?Bordetella pertussis is a bacteria from the genus Bordetella that causes a respiratory disease known as Pertussis.
Moreover, Bordetella burgdorferi is another bacteria from genus Bordetella that causes Lyme disease, an illness whose symptoms include fever and fatigue.
In conclusion, Streptococcus pyogenes causes Strep throat, Varicella zoster causes varicella, Papillomavirus causes HPV, Enterococcus faecium cause urinary tract infection Borrelia burgdorferi causes Lyme disease and Bordetella pertussis causes Pertussis.
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Which change would be considered a short-term environmental change? Check all that apply.
an ice age
an El Niño storm
a small asteroid impact
a tsunami
mountain building
Tsunami El Nino storm and a small asteoid would cause short term environmental change.
Short term environmental change can be defined as a rapid shift in the environment that has an instantaneous impact on organisms (causing behavioral adaptations).
The terrain is altered by a tsunami. It disrupts wildlife habitats, including bird nesting grounds, by uprooting trees and plants.
El Nino is the tropical Pacific region's strongest weather pattern change. It results in violent storms, famine, fish kills, coral bleaching, and forest dieback.
A significant amount of dust would be released into the atmosphere if the asteroid hit land. There would be a surge in water vapor in the atmosphere if it hit in water. As a result, there would be more rain, which would cause mudslides and landslides.
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Shown below (in the video) is a micelle, having a hydrophilic end and a hydrophobic end. Which of the following best describes the micelle
A loosely bound aggregation of several tens or hundreds of atoms, ions (electrically charged atoms), or molecules, forming a colloidal particle
one of a number of ultramicroscopic particles dispersed through some continuous medium
What are Micelles ?Globular or roughly spherical structure composed of organic molecules so their nonpolar ends are oriented toward the interior of the aggregate and the polar ends are oriented away from the interior.
Soaps and detergents form micelles when temperatureis above Kraft temperature and concentration is above critical micelle concentration (CMC). For soaps, CMC is about 10−4 to 10−3 M.Micelles are composed of hydrophobic and hydrophilic components assembled into nanosized spherical, ellipsoid, cylindrical, or unilamellar structures.Learn more about Micelles here:
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