Antibiotic-resistant bacteria means when bаcteriа chаnge so thаt аntibiotic medicines cаn't kill them or stop their growth.
Аntibiotics аre medicines used to prevent аnd treаt bаcteriаl infections. Аntibiotic resistаnce occurs when bаcteriа chаnge in response to the use of these medicines. Overuse of аntibiotics is creаting stronger germs. Some bаcteriа аre аlreаdy "resistаnt" to common аntibiotics. When bаcteriа become resistаnt to аntibiotics, it is often hаrder аnd more expensive to treаt the infection.
Losing the аbility to treаt serious bаcteriаl infections is а mаjor threаt to public heаlth. Аntibiotics аre designed to fight bаcteriа by tаrgeting specific pаrts of the bаcteriа’s structure or cellulаr mаchinery.
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what specialized intracellular components would increase the fitness of prokaryotes dwelling in these particular microenvironments? explain why. a. aerophilic magnetic bacteria in aquatic sediments
The specialized intracellular components would increase the fitness of prokaryotes dwelling in these particular microenvironments A. Aerophilic magnetic bacteria in aquatic sediments are magnetosomes used for navigation by detecting the Earth's magnetic field.
Prokaryotic is a type of cell in which genetic material is spread in a body similar to a nucleus but not surrounded by a membrane. Examples of prokaryotic microorganisms are algae and bacteria such as aerophilic magnetic bacteria.
Aerophilic magnetic bacteria are bacteria whose movements are affected by a magnetic field. In these bacteria there is a special organelle called a magnetosome which functions to detect the Earth's magnetic field for navigation. The magnetosome is composed of magnetite or greigite compounds which have much stronger magnetic properties than synthetic magnets.These organelles also help improve the fitness of aerophilic magnetic bacteria because they are able to guide these bacteria in migrating and looking for food.
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This last question involves the endocrine system.
Melatonin (known chemically as N-acetyl-5-methoxytryptamine) is a naturally
occurring hormone found in animals and in some other living organisms, including
algae. Read the material about melatonin in your book that starts on page 74.
Some people take melatonin supplements to help sleep. Products containing
melatonin are available as a dietary supplement in the United States but are illegal in
some other countries. Foods may contain trace amounts of melatonin, but no food
has been found to elevate plasma melatonin levels.
What gland of the endocrine system releases melatonin?
A.pancreas
B.pineal
C.thyroid
D.pituitary
Do you think genetic drift would happen more quickly on an island or on the mainland?
Smaller populations are projected to exist on islands, where gene flow is likely to happen more quickly. Small populations are much more vulnerable to genetic drift's effects.
Why then does genetic drift start out happening?Genetic drift occurs when the frequency of different alleles, or variable forms of the a gene, fluctuates over time through chance. Changes in allelic are used to measure these differences in allele presence.
An overview of genetic driftGenetic drift refers to the random change in frequency of a gene variant that already existing in the population. Genetic drift may limit genetic diversity by causing gene variants to completely vanish. Additionally, this may make previously uncommon alleles much more common and even fixed.
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the outermost layer of the retina consists of retinal ganglion cells. bipolar cells. rods and cones. the cornea.
The outermost layer of cells is photoreceptor cells that detect light and low light vision. Next to them are the bipolar cells that perceive the signal. Innermost is the ganglionic cells that form the optic nerve and transmit information.
Radial glial cells of the retina, also known as Muller cells, are in outer limiting membrane (OLM) of the retina and form adherens junctions between Muller cells and rods and cones in inner segments.
The somata of the retinal ganglion cells are located in GCL; some displaced ganglion cells may be also located at the inner edge of INL
The sclera is the tough outer layer of eyeball (the white of the eye). The slight bulge in the sclera at the front of the eye is a clear, thin, dome-shaped tissue called cornea.
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a phlyogeny is a: group of answer choices a stratigraphic ordering. hierarchical classification of taxa family tree of evolutionarily related taxa a detailed graph of all taxa in a group
A phlyogeny is a) Family tree of evolutionarily related taxa.So,correct option is a.
Phylogeny is the study of relationships among various gatherings of creatures and their transformative turn of events. Phylogeny endeavors to follow the transformative history of all life in the world. In light of the phylogenetic speculation all living creatures share a typical family line. The connections among organic entities are portrayed in what is known as a phylogenetic tree. Still up in the air by shared qualities, as shown through the examination of hereditary and physical likenesses.
In sub-atomic phylogeny, examination of DNA and protein structure is utilized to decide hereditary connections among various creatures. For instance, the examination of cytochrome C, a protein in cell mitochondria that capabilities in the electron transport framework and energy creation, is utilized to decide levels of relationship among living beings in light of similitudes of amino corrosive groupings in cytochrome C.
Hence,correct option is a.
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(Complete question) is:
A phlyogeny is a:
a. Family tree of evolutionarily related taxa
b. Hierarchical classification of taxa
c. A detailed graph of all taxa in a group
d. A stratigraphic ordering.
The figures below are of the leaf of an Elodea plant. In these images, the plant is simply in fresh water and nothing has been stained. The image on the left is under high power and the image on the left is low power. I need to find the distribution of phases of mitosis in a leaf for the table. I don't understand this please help.
The chromatin, a combination of both DNA and proteins found in the nucleus, condenses during prophase. The chromatin coils, creating chromosomes that can be seen.
What takes place within the prophase?The chromatin, a combination of both DNA and proteins found in the nucleus, condenses during prophase. The loop and straightening of both the chromatin is what causes the chromosomes to become visible. Each chromosome is made up of one piece of DNA that is well-organized.
What is the straightforward meaning of prophase?Prophase, a noun, is the first division of meiosis or the first division of mitosis during which the chromosomes are visible as tightly wound, threadlike filaments.
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the most common (and least malignant) type of skin cancer arises in the stratum basale. in the photomicrograph, which letter marks this layer? epidermal cells and layers of the epidermis
In the photomicrograph, letter which marks this layer is a) Stratum Basale (E). So, correct option is a.
The stratum basale(basal layer, once in a while alluded to as layer germinativum) is the most profound layer of the five layers of the epidermis, the outside covering of skin in warm blooded creatures.
The stratum basale is a solitary layer of columnar or cuboidal basal cells. The cells are joined to one another and to the overlying layer spinosum cells by desmosomes and hemidesmosomes. The core is huge, ovoid and possesses the greater part of the cell. A few basal cells can behave like foundational microorganisms with the capacity to separation and produce new cells, and these are some of the time called basal keratinocyte undifferentiated organisms. Others effectively anchor the epidermis glabrous skin (smooth), and hyper-proliferative epidermis (from a skin disease).They gap to frame the keratinocytes of the layer spinosum, which move superficially. Different kinds of cells found inside the layer basale are melanocytes (color delivering cells) and Merkel cells (contact receptors).
Hence,correct option is a.
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(Complete question) is:
the most common (and least malignant) type of skin cancer arises in the stratum basale. in the photomicrograph, which letter marks this layer?
a) Stratum Basale b) Stratum Spinosum c) Stratum Corneum d)all of the above
Drag the tiles to the correct boxes to complete the pairs. Math the modes of transport to the molecules
Water molecules move through osmosis; charged amino acids travel through carrier proteins; calcium goes from a low concentration to a high concentration; concentration is moved by active transport for oxygen.
What are the several ways that molecules are transported?Any biological membrane can be traversed by one of two primary methods. They are passive and active modes of transportation. Along a concentration gradient, from high to low concentration, passive transport happens most frequently by diffusion. The energy required for this form of transportation is nothing.
What kind of molecular transport is that?For instance, water diffuses through your skin when you bathe an obtrusive ankle in Epsom salt. Numerous chemicals pass through cell membranes on a regular basis, such as oxygen, carbon dioxide, nutrients, and waste products.
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if you recalibrate a hematology analyzer for red cell count, what parameters would also be affected?
A hematology analyzer for red cell count, as changes in one parameter can impact the accuracy of other parameters.
Recalibrating a hematology analyzer for red cell count can affect several other hematological parameters, including:
Hematocrit (HCT): The hematocrit is the volume percentage of red blood cells in whole blood and is often measured using the same channel as red cell count. Recalibrating the analyzer for red cell count could also result in changes in the hematocrit value.
Mean corpuscular volume (MCV): The MCV is the average volume of a red blood cell and is calculated using the hematocrit and red cell count values. Recalibrating the analyzer for red cell count could result in changes in the MCV value.
Mean corpuscular hemoglobin (MCH): The MCH is the average amount of hemoglobin per red blood cell and is calculated using the hemoglobin concentration and red cell count values. Recalibrating the analyzer for red cell count could result in changes in the MCH value.
Mean corpuscular hemoglobin concentration (MCHC): The MCHC is the average concentration of hemoglobin in a red blood cell and is calculated using the hemoglobin concentration and hematocrit values. Recalibrating the analyzer for red cell count could result in changes in the MCHC value.
Platelet count: The platelet count is the number of platelets in a blood sample and is also measured using the hematology analyzer. Recalibrating the analyzer for red cell count could result in changes in the platelet count value.
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what do you expect to see if you fixed the cells from question 7 (after the frap experiment has been completed) and performed immunofluorescence microscopy staining, using specific primary antibodies to centrin and cep192, followed by staining with appropriate secondary antibodies?
After performing immunofluorescence microscopy staining, using specific primary antibodies to centrin and cep192, followed by staining with appropriate secondary antibodies that Centrin and cep192 will both be present at the Centrosome. Cep192-GFP is also more dynamic than Centrin-GFP.
A crucial part of the maturation apparatus is the human centrosomal protein Cep192 (centrosomal protein of 192 kDa). We have discovered, in particular, that siRNA depletion of Cep192 causes a total loss of functioning centrosomes in mitotic but not interphase cells. Microtubules assemble around chromosomes in mitotic cells deficient in Cep192, although they seldom take on persistent bipolar topologies. Although these cells have a normal number of centrioles, they are unable to organize γ-tubulin, pericentrin, or other pericentriolar proteins into a structured PCM. In contrast, numerous, extracentriolar foci of γ-tubulin and pericentrin develop when Cep192 is overexpressed. All of our results are consistent with the idea that Cep192 promotes the construction of the framework that γ-tubulin ring complexes and other proteins involved in microtubule nucleation and spindle assembly rely upon to function.
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select the accurate statements concerning membrane fluidity.a)Phospholipids interact strongly with each and cannot easily move laterally withinthe membrane.b)Phospholipids are relatively free to move laterally within the membrane.c)Unanchored proteins are relatively free to move laterally within the membrane.d)Both anchored and unanchored proteins are fixed in space within the membraneand cannot easily move laterally.
Accurate statements concerning membrane fluidity include b) Phospholipids are relatively free to move laterally within the membrane and c) Unanchored proteins are relatively free to move laterally within the membrane.
What does membrane fluidity mean?Membrane fluidity is defined as the stage in which the different components of the cell membrane which is mainly formed by phospholipids and others biomolecules such as integral and peripherical proteins can move between both layers and laterally.
Therefore, with this data, we can see that membrane fluidity is based on the movement in a lateral way and between layers of biomolecules across the membrane.
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which energy system has its enzymes housed in the mitochondria?
Answer:
Explanation:
The enzymes of the citric acid cycle (located in the matrix of mitochondria) thus are central players in the oxidative breakdown of both carbohydrates and fatty acids.
while on the phone with her father, madison smells brownies cooking. which statement describes the neurons used in this scenario?
The neurons used in the scenario where Madison smells brownies cooking are: sensory neurons.
Neurons are the nerve cells that function to relay information to and from the brain. These are also called nerve cells and are the longest cells of the body. The structure of nerve cells is composed of a cell body surrounded by several dendrites and a long exon with axon terminal.
Sensory neurons are the nerve cells whose activation occurs when they receive stimulus from the environment. The stimulus is received by the receptors present in the appropriate parts of the body from where the information is transported to the sensory neurons.
The given question is incomplete, therefore it has been answered in a general way.
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I need help with answering and explaining
Answer:
(3) Gene --> Chromosome --> Nucleus
Explanation:
Genes are contained in chromosomes, which are in the cell nucleus.
If we take a look, we can see that the nucleus contains chromosomes. These chromosomes contain genes.
Genes are segments of DNA which contain specific instructions for specific functions. Chromosomes are structures inside the nucleus that contain a person's genes.
In simple words: Inside the Nucleus there are chromosomes that contain genes.
nutrients cannot change dna, but they can change the genes that are expressed. this means that your health is determined by what you eat and:
That's correct. Nutrients cannot directly change your DNA sequence, but they can influence your genes in other ways.
For example, certain nutrients can affect the expression of certain genes, which in turn can affect your health. For example, certain vitamins are essential for the proper functioning of certain genes, and a lack of these vitamins can lead to health problems.
Additionally, certain nutrients can act as epigenetic modifiers, which can alter gene expression without changing the DNA sequence, and these epigenetic changes can be passed down to future generations. Ultimately, your health is largely determined by what you eat and drink, so it is important to make sure you are getting the nutrients your body needs.
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cell membranes in plants that thrive in extreme cold are able to remain fluid by
Answer:
'Increasing number of phospholipids with unsaturated hydrocarbon tails'
Explanation:
The unsaturated fatty acids (or hydrocarbon tails) present in the cell membrane gets compressed in cold conditions which pushes the adjacent phospholipid molecules away and thus, it helps to maintain fluidity in the membrane.
look over the pedigree you constructed in part a. based on the inheritance pattern, which mode of inheritance must be the cause of galactosemia?
Galactosemia must be an autosomal recessive trait because their daughter also has the condition and there is no evidence of a sex-related connection.
I believe galactosemia is a type of mutation. The three types of disease-causing mutations that have been identified are the most common type, CRM+ missense mutations, allele, CRM- missense mutations, and splicing mutations. It is intriguing that the condition is varied at the molecular level as well, given the well-documented clinical variability linked to galactosemia.
Is galactosemia due to a deletion mutation present: A lack of the GALT (galactose-1-phosphate uridyltransferase) enzyme results in galactosemia, a metabolic disorder. We have previously shown that a deletion in the 5' upstream (promoter) region of the GALT gene is connected to the Duarte (D2) allele.
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Correct Question:
Look over the pedigree you constructed in part using allele based on the inheritance pattern, which mode of inheritance must be the cause of galactosemia? view available hint(s)for part b look over the pedigree you constructed in part a.based on the inheritance pattern, which mode of inheritance must be the cause of galactosemia? sex-linked dominant autosomal dominant sex-linked recessive autosomal recessive
2. all of the crops have negative effects on the soil except for the bush beans. why is this?2. all of the crops have negative effects on the soil except for the bush beans. why is this?
It is difficult to say why bush beans would be the only crop that has a positive effect on the soil .
However, in general, different crops can have varying effects on the soil due to their different growth patterns and nutrient requirements. Some crops, such as corn and wheat, can deplete the soil of certain nutrients, leading to soil degradation over time.
Other crops, such as legumes like bush beans, have a symbiotic relationship with soil bacteria that allow them to fix nitrogen from the air and add it back to the soil, improving soil fertility.
Additionally, different crop rotation patterns can also help maintain soil health by rotating crops that have different nutrient requirements, preventing soil depletion and promoting soil renewal.
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Full Beroon A research group has discovered that damselflies, a type of dragonfly, are being infected by a particular type of aquatic protozoan. Both young and adult damselflies are not directly infected by the protozoan but contract the Infection from the prey they eat. The graph shows the percentage of adult damselflies infected by protozoans during the summer and early fall. Which of the following conclusions is supported by the graph? A. Infection in embanked ponds Increased during the sampling period. B. Protozoans were more common in creek-fed ponds than embanked ponds. C. Protozoans reproduce more quickly in embanked ponds than creek-fed ponds. D. Infection in creed-fed ponds remained constant throughout the sampling period.
The appropriate response to the statement is Infection within embanked ponds. within the sampling period, improved.
Define protozoans.One-celled organisms known as protozoa are present in most ecosystems on earth. Although the majority of species are free-living, all larger species are infected by one or more protozoan species. Depending on the kind or frequency of the parasites and the host's resistance, infections can be mild to fatal.
What do human protozoans look like?Protozoans are tiny, one-celled animals that can either live independently or as parasites. They can reproduce in humans, which helps them survive and also makes it possible for major illnesses to arise from just one organism.
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____ is used by some organisms to exchange gases through sides of the body
Answer: Diffusion
Explanation:
What type of glial cells cause glioblastoma and how did you make this assumption?
Answer: Astrocytes
Explanation: There are three types of normal glial cells that can produce tumors. An astrocyte will produce astrocytomas (including glioblastomas), an oligodendrocyte will produce oligodendrogliomas, and ependymomas come from ependymal cells. Tumors that display a mixture of these different cells are called mixed gliomas.
true / false: the uptake of glucose from the blood into muscle cells is inhibited during exercise because these cells depend upon insulin-mediated glucose uptake (imgu) and insulin becomes inhibited under 'fight-or-flight' activation (select one word answer only please).
Due to the fact that muscle cells depend on insulin-mediated glucose uptake, which is suppressed when the "fight-or-flight" response is activated, the absorption of glucose from the circulation into muscle cells is slowed down during exercise. This statement is false.
The uptake of glucose from the blood into muscle cells during exercise is actually increased, not inhibited. Although insulin does play a role in glucose uptake by muscle cells, insulin levels do not necessarily become inhibited during exercise.
During exercise, the body's demand for energy increases, leading to an increase in glucose uptake by the muscles to provide energy. This increased glucose uptake is facilitated by several mechanisms, including the activation of glucose transporters (such as GLUT4) and an increase in insulin sensitivity.
While it is true that the "fight-or-flight" response (the physiological response to acute stress) can lead to a decrease in insulin secretion, this decrease is temporary and occurs mainly to preserve glucose availability for the brain and muscles, not to inhibit glucose uptake by the muscles.
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what does it mean that a sorting signal is necessary for the transport of a protein to a new location?
Protein-sorting processes make sure that among the hundreds of different proteins, membrane proteins are properly detected and transported to the membrane, where they are required.
What occurs to proteins devoid of a signal for sorting?An unrecognised sorting signal causes a protein to be sent through the default processing pathway, which is designed to keep the protein in the cytosol.
The biological process by which proteins are delivered to their proper locations inside or outside the cell is known as protein targeting or protein sorting.
Protein transport within or outside of a cell is accomplished via a process known as protein targeting or protein sorting. Organelle internal spaces, individual inside membranes, or the cell's outer membrane can all be used as sorting targets.
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4. If a population is in Hardy-Weinberg equilibrium, and you know that the proportion of individuals with the
genotype Aa is 0.48, can you determine the expected proportions of AA and aa genotypes? If yes, what are they?
Yes, you can determine the expected proportions of AA and aa genotypes if a population is in Hardy-Weinberg equilibrium and you know the proportion of individuals with the genotype Aa.
What is the Hardy-Weinberg equilibrium used for?The Hardy-Weinberg equilibrium is used to describe the distribution of genetic traits in a population that is not evolving, under specific assumptions of genetic conditions.
The formula to calculate the expected proportion of AA genotype is (0.48)² = 0.23, and the expected proportion of aa genotype is (1 - 0.48)² = 0.23. The sum of these two proportions is equal to 0.46, which is the proportion of Aa genotype.
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Which is true regarding spiracle slits of a blowfly larva?
a. They are found only on the first instar.
b. They are useful in estimating the age of a blowfly larva.
c. They are used for release of undigested food.
d. Both a and b are correct.
Answer:
The correct answer is B. The spiracle slits of the blowfly larva changes as it goes through the different larval stages: instar 1, instar 2, and instar 3.
Explanation:
Blowfly larvae are commonly used in forensic entomology to estimate the time of death in cases of homicide and other suspicious deaths. The development and growth of blowfly larvae can provide important clues about the time of death, as well as other factors related to the circumstances of the case. One important feature of blowfly larvae are the spiracle slits found on their body, which helps in estimating the age of a blowfly larva.
Regarding the statement provided, option b is true, which states that spiracle slits of a blowfly larva are useful in estimating the age of a blowfly larva. Spiracles are the openings on the surface of the body through which insects breathe. In blowfly larvae, the spiracles are located on the posterior end of the body and are surrounded by spiracle slits. These slits provide a way for the larvae to regulate the flow of air into and out of the spiracles.
The number and size of the spiracle slits can vary depending on the age of the blowfly larva. As the larva grows and molts, the number of spiracles and spiracle slits changes, and the size and shape of the slits can provide important information about the age of the larva. Therefore, blowfly larvae can be examined for the number and size of spiracle slits in order to estimate their age, which can help to provide important information about the time of death in forensic cases.
Option a, which states that spiracle slits are found only on the first instar of blowfly larvae, is not true. Spiracle slits are found on all instars of blowfly larvae, although the number and size of the slits may vary depending on the age of the larvae. Option c, which states that spiracle slits are used for the release of undigested food, is also not true. Spiracle slits are used for breathing, not for digestion or the release of waste.
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which possibility would have a large impact on the environment?(1 point) responses a population of robins compete for food a population of robins compete for food a nest of robin eggs is abandoned a nest of robin eggs is abandoned a single robin dies a single robin dies a population of robins die
Answer:
the answer would be D, “a population of robins die”
Explanation:
this answer has the biggest impact
Answer: A population of robins die.
Explanation: If a population of robins die, the population of the predators of the robins might decrease, and the population of the prey of the robins might decrease, so the whole ecosystem might collapse because of that population dying. Does that answer your question?
1 you have been asked to do a structural study to understand how increasing cell surface area affects cell size, shape, and function. what cell type would help you most efficiently observe the effects of increasing sur
The cell type that observe most efficiently is microvilli covered cells from the intestine.
Microvilli at the surface of epithelial cells which includes the ones lining the gut growth the cell's floor place and as a consequence facilitate the absorption of ingested meals and water molecules. Microvilli are blanketed in plasma membrane, which encloses cytoplasm and microfilaments. Though those are cell extensions, there are very little cell organelles gift withinside the microvilli. Each microvillus has a dense package deal of cross-connected actin filaments, which serves as its structural core. The floor of every villus is blanketed with easy columnar epithelium. The loose floor of those cells has very tiny projections referred to as microvilli , which can be specialized for absorption (absorptive cells).
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Complete question:
you have been asked to do a structural study to understand how increasing surface area on a cell will affect size, shape, and function. what cell type would help you observe this most efficiently?
what is the thing hanging in the back of your throat
The little fleshy dangling ball in the back of your neck is your uvula. As a component of your soft palate, it aids in stopping food and fluids from entering your nose during swallowing. Additionally, it releases saliva to keep your mouth moist.
In the anatomy of vertebrates, the throat is the portion of the neck that faces the vertebrae internally. The pharynx and larynx are located there. The epiglottis, which separates the esophagus from the trachea (windpipe) and keeps food and liquids from being inhaled into the lungs, is a crucial component of it.
The tonsils, pharyngeal muscles, trachea, esophagus, nasopharyngeal tonsil, tonsils, palatine uvula, and vocal cords are all present in the throat. The hyoid bone and the clavicle are the two bones that make up a mammal's throat. Sometimes people equate the "throat" with the fauces.
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contact metamorphism takes place when rocks___pressure
Contact metamorphism is a type of metamorphism that occurs due to high temperature and low pressure when rocks are in direct contact with igneous intrusions. This process leads to the formation of new minerals and changes in the texture and appearance of the original rock. Contact metamorphism can occur in various rock types but is more commonly associated with sedimentary rocks.
Contact metamorphism is a type of metamorphism that occurs when rocks are exposed to high temperature and low pressure due to the intrusion of hot magma. This process often leads to the formation of new minerals and changes in the texture and appearance of the original rock.
Contact metamorphism occurs when rocks are in direct contact with an igneous intrusion, which introduces high temperature and low pressure to the surrounding rocks. This type of metamorphism is also known as thermal metamorphism since it is caused by heat. The temperature increase can be caused by a variety of events, such as the intrusion of magma, the proximity to a volcanic vent, or a contact with a hot geothermal system.
The heat causes the minerals within the rocks to become unstable, leading to the recrystallization of minerals and the formation of new minerals. The type of new minerals formed is determined by the composition of the original rock and the temperature and pressure of the metamorphism. For example, the mineral hornfels, which is typically fine-grained and contains a mix of minerals such as quartz, feldspar, and mica, can form from shale that has been exposed to high temperatures.
The pressure during contact metamorphism is generally low because the rocks are not subjected to the weight of overlying rocks or the compression associated with tectonic forces. As a result, the changes in texture and appearance of the rocks are often limited. The original texture and structure of the rock may be partially or completely replaced by new minerals, but the overall shape of the rock is typically preserved.
Contact metamorphism can occur in a variety of rock types, including sedimentary, igneous, and metamorphic rocks. However, it is more commonly associated with the heating of sedimentary rocks, such as shale, sandstone, and limestone, since they are typically found in the upper layers of the Earth's crust and are more likely to be in contact with igneous intrusions.
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which of the following insects feeds on human waste and then on human food, transmitting disease? group of answer choices ant spider cockroach cricket
The cockroach is a disease-carrying insect that first feeds on human waste and then on food. Cockroaches have been linked to the transmission of a number of diseases.
Cockroaches can easily move from contaminated areas like drains or sewers to food preparation areas, where they can contaminate food and surfaces. They are known to carry a number of pathogens. Diseases include gastroenteritis, salmonellosis, and typhoid fever, making them a major public health concern.
It is not known that ants, spiders, or crickets transmit disease or feed on human waste. However, they may also carry other pathogens and pose additional health risks, such as the transmission of bacteria that can spoil food or cause allergies.
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