The most important organs that make up the digestive system (so as in their function) are the mouth, esophagus, stomach, small intestine, big intestine, rectum and anus.
Helping them alongside the manner are the pancreas, gall bladder and liver. Here's how those organs paintings collectively on your digestive system.The GI tract is a sequence of hole organs joined in a long, twisting tube from the mouth to the anus.
The hole organs that make up the GI tract are the mouth, esophagus, stomach, small intestine,large intestine, and anus. The liver, pancreas, and gallbladder are the stable organs of the digestive system.
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PLEASE HELP
1.Alex poured some pond water into three beakers. She then put waterweed into each
beaker. She put the beakers in different places.
i) In which beaker did the waterweed grow best? Give the correct letter.
________
ii) The waterweed in the box changed from dark green to pale yellow. Why did this happen?
2.In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason
for this.
3.In another experiment, Alex put similar pieces of waterweed into two more beakers of pond water. She added fertiliser to one of them. She kept them both by a window.
i) Alex added fertiliser to beaker E. Suggest the results of this experiment.
ii) What do fertilisers contain to help plants grow? Tick the correct box.
I think 1, 2, and 3 were already answered so I'm going to answered the other ones.
3i. The results of this experiment to development a plant which is NPK. So it results of the fertilizers needing a plant development of nitrogen, phosphorous, and potassium.
3ii. Fertilizers contain "minerals." Minerals are responsible for growth and development of a plant. They also contain nitrogen, phosphorous, and potassium. Nitrogen - Main component of chlorophyll, Enzymes. Phosphorous - Vital component of ATP. Potassium - Important for enzyme activation and transport of water.
Infancy is a sensitive period in terms of brain development especially due to _____________________
Infancy is a sensitive period in terms of brain development especially due to its ability to adapt and learn from experiences.
Sensitive periods are the period in which an individual is more sensitive to various experiences and environments. He learns from his experiences and makes himself adapt to the environment. It occurs during prenatal and postnatal periods when development generally occurs slower. For example, a child learns his native language slowly while living in an environment and learns more experiences.
Sensitive periods in terms of brain development are when synapses and their neural routes are created earlier than other times. The formation of synapses and neural pathways is termed synaptogenesis. During this period, the brain prepares itself to learn from experiences and adapt itself to the environment.
An infant when exposed to a certain type of environment would develop his skills and intelligence accordingly. This is why it is often referred to as the sensitive period of development.
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The large differences observed in genomic size among eukaryotes correspond primarily to differences in?
Answer:
The large differences observed in genomic size among eukaryotes correspond primarily to differences in the amount of noncoding DNA
Explanation:
The whole collection of DNA and genetic information found in a given organism or cell makes up that organism's genome. For the majority of the time, when we think of genes, we consider those that produce proteins or those that are translated to mRNAs and then converted into proteins. But, genomes include much more than simply those that produce proteins. There is big difference in size and content of prokaryotic and eukaryotes. One mRNA generates one protein inside a eukaryotic gene in some kind of a biochemical or signaling pathway; operon organization is not present. A eukaryotic gene's numerous exons can really be cleaved in various ways to produce several mRNAs & proteins from just a single gene.
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In plant cells, the central vacuole may contain _________________________. select all that apply.
n plants cells ,the central vacuole contains salts , minerals , nutrients, proteins, pigments .
What are the functions of vacuole?Vacuoles are membrane-bound organelles that can be found in both animals and plants. In a way, they're specialized lysosomes. That is to say that their function is really to handle waste products, and by handle, mean take in waste products and also get rid of waste products.
Central vacuole stores salts, minerals, nutrients, proteins , pigments ,helps in plant growth and plays an important role for the plant .
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How have researchers addressed the limitation you identified in part A of this question? Why is this approach effective?
The evaluation of constraints' effects makes claiming limitations a subjective process. Don't merely identify a study's major flaws and the extent of its limitations.
What is claiming limitations?Doing this would reduce the validity of your research because it would leave the reader wondering whether or how the study's limitations might have affected the findings and conclusions.
You have the chance to show that you have critically considered the research problem, comprehended the pertinent literature published about it.
In addition to gaining new knowledge, one of the main goals of the research process is to challenge preconceptions and investigate areas of unknown knowledge.
Therefore, claiming limitations is identified as a researcher addressed.
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The maximum central nervous system (cns) effect of caffeine is reached about _________blank after drinking coffee
The maximum central nervous system(CNS) effect of caffeine is reached 1-2 hours after drinking coffee.
Coffee contains caffeine, which is a central nervous system stimulant.
Stimulants are those substances that act on the CNS and increase the alertness of both our body and mind.
Caffeine also acts on other parts of the body like the heart, muscles, airways, etc.
It is also present in other drinks like tea, soft drinks, etc.
When we drink coffee, it gets absorbed from the stomach and the small intestine in about 15 minutes.
From there it enters our bloodstream and reaches its maximum concentration around 1-2 hours after consuming coffee.
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How many chromosomes are there in a cell
Answer:
Theres 46 chromosomes in a cell
You have a culture of bacteria that you suspect is either staphylococcus aureus or streptococcus pyogenes. is there any morphological difference between the two?
Yes. Staphylococcus aureus differs from Staphylococcus pyogenes because it grows in clusters, whereas Chain-like growth.
Although all infections have the potential to be dangerous, Staphylococcus is associated in the microbiological literature. Staphylococcus aureus tends to cause more widespread illness, such as the development of abscesses and purulent discharge. Between erysipelas to necrotizing fasciitis, Staphylococcus pyogenes has been associated to a wide range of illnesses.
In order to distinguish between staphylococci that are catalase positive and catalase negative, the catalase test is crucial. Agar slants or broth cultures are flooded with several drops of 3% hydrogen peroxide to conduct the test. Cultures that have catalase immediately bubble. Gram-positive cocci include streptococci and staphylococci. Streptococci develop in chains, whereas Staphylococci form clumps. Because Staphylococci may make catalase, they can be distinguished using the catalase test.
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In what order does initiation of dna replication proceed (from 1 = first to 4 = last)?
The correct order of DNA replication is: (2) DNA unwinds at the origin of replication; (4) Helicase opens up replication forks, which extend in both direction; (3) Primase synthesizes RNA primers; and (1) DNA polymerase adds nucleotides.
DNA replication is the process where the copies of DNA are formed. The process occurs inside the nucleus of the cell in eukaryotes. The replication occurs in 5' to 3; direction. One leading and one lagging strands are formed.
DNA Polymerase is the main enzyme involved in DNA replication. There are three types of DNA polymerase in prokaryotes while in eukaryotes there are 5 types.
The question is incomplete. The complete question is:
In what order does initiation of DNA replication proceed (from 1 = first to 4 = last)?
(1) DNA polymerase adds nucleotides.
(2) DNA unwinds at the origin of replication.
(3) Primase synthesizes RNA primers.
(4) Helicase opens up replication forks, which extend in both direction.
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With respect to ph, in order for cells to continue to effectively do their jobs, it is important that the cells are able to?
With respect to ph, in order for cells to continue to effectively do their jobs, it is important that the cell is able to maintain a neutral pH, around 7.
What is pH?A scale called pH is used in chemistry to describe how basic or acidic an aqueous solution is.Lower pH values are recorded for acidic solutions (solutions with greater H+ ion concentrations) than for basic or alkaline solutions.The collection of standard solutions whose pH has been defined by international agreement can be used to trace the pH scale.Using a concentration cell with transference, the potential difference between a hydrogen electrode and a standard electrode, such as the silver chloride electrode, is measured to get the primary pH standard values.With the use of a glass electrode, a pH metre, or a color-changing indicator, the pH of aqueous solutions may be determined.In chemistry, agronomy, medicine, water treatment, and many other fields, pH measurements are crucial.To learn more about ph, refer to the following link:
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Oxygen and carbon are:____.
a. rarer than almost all other elements
b. found only on worlds close to a star
c. the third and fourth most abundant elements in the universe
When biological molecules engage in condensation, such reactions are _________ reactions.
synthesis
When biological molecules engage in condensation, such reactions are synthesis reactions.
A huge number of monomers coming together to form a large macromolecule is what is known as a polymerization reaction. During the process, a tiny molecule like water is liberated.The new molecule is created by joining the single monomer unit. Due to the fact that a new molecule is created during this reaction, it is also known as the synthesis reaction. The synthesis reaction also results in the synthesis of biomolecules.Condensation in a biological reaction: what is it?Any of a series of reactions known as condensation reactions occurs when two molecules join, typically with the help of a catalyst, and water or another simple molecule is eliminated. Self-condensation is the joining of two identical molecules.Which are the four major biomolecules?Any of the various compounds created by cells and living things is referred to as a biomolecule, sometimes known as a biological molecule. Biomolecules come in a wide variety of shapes and sizes and serve a wide range of purposes. Proteins, lipids, nucleic acids, and carbohydrates are the four main categories of biomolecules.To learn more about biological molecules visit:
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The half — life of nickel is 96 years. How much of a 30-gram sample is left after 270 years?
The amount of the 30 gram-sample that will remain after 270 years is 6.61 grams
How to determine the number of half-livesWe'll begin by obtaining the number of half lives that has elapsed. This can be obtained as follow:
Half-life (t½) = 96 yearsTime (t) = 270 years Number of half-lives (n) =?n = t / t½
n = 270 / 99
n = 2.8125
How to determine the amount remaining Original amount (N₀) = 30 gramsNumber of half-lives (n) = 2.8125Amount remaining (N) =?The amount remaing can be obtained as follow:
N = N₀ / 2^n
N = 30 / 2^2.8125
N = 6.61 grams
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A long narrow fault at the base of the groove on the enamel surface of a tooth is called?
A long narrow fault at the base of the groove on the enamel surface of a tooth is called a fissure. A fissure is a significant crack in a tooth's surface that often happens as a result of inadequate enamel adhesion between the surrounding dental lobes. It can have a dental sealant placed on it to reduce the possibility of cavities.
Standard microsampling methods make it difficult to assess the fluoride (F) distribution in the enamel bordering the occlusal fissures of human molars and premolars, despite the fact that these areas are particularly vulnerable to caries.
The varied outer layer qualities in sound fissure enamel are more likely the result of developmental processes than environmental causes.
Enamel is the word for the hard outer layer that covers teeth. As teeth erupt, a condition known as enamel hypoplasia manifests. The underlying causes might be environmental or hereditary.
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Which statement is a hypothesis that would best address the question, "Are black-tailed prairie dogs dying to sylvatic plague and causing the population to decline?"
A hypothesis is a claim the researcher makes to stablish a relationship between variables and predict the results of the experiment or explain what thinks is going on. Note: Since I did not find the options, I provide examples below.
What is a hypothesis?
When following the scientific methodology, researchers must formulate a hypothesis.
A hypothesis is a scientific conjecture, not verified, that requires corroboration. It is a possibility, not a fact. It is a claim of how it works a relationship between two or more variables.
The researcher hypothesizes to predict what is going on or what is expected to occur.
A hypothesis
• must be clear and comprehensive.
• must express the direct relationship between the involved variables.
• must be objective.
• must be testeable and falsifiable
There are different kinds of hypotheses: descriptive, correlative, differentiative, or causative
Question: "Are black-tailed prairie dogs dying to sylvatic plague and causing the population to decline?"
The variables involved in this question are,
Independent variable: sylvatic plague presenceDependent variable: black-tailed prairie dogs survival or death.population size change
Note: Since I did not find the complete question, I will propose a few potential Hypothesis as examples for you to understand the structure.
Hypothesis:
If black-tailed prairie dogs are exposed to sylvatic plague, then their mortality rate will increase, declining their population size.
If black-tailed prairie dogs are exposed to sylvatic plague, then their survival rate will decrease, declining their population size.
If black-tailed prairie dogs are exposed to sylvatic plague, then their population size will decline.
Another alternative is to think that variables are,
Independent variable: black-tailed prairie dogs dying to sylvatic plague or to other causesDependent variable: Population size changeHypothesis:
If black-tailed prairie dogs are dying to sylvatic plague, then their population size will decline.
Notice that in every case, you can mention first the independent variable and the effect it provokes on the dependent variable.
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How is/are the relevant variable(s) of fick's law optimized by the countercurrent oxygen exchange in lugworm gills?
(P high - P low) is re-established to optimize the variable(s) of Fick's law.
According to Fick's law of diffusion, particles subject to random thermal motion have a tendency to move from an area of higher concentration to an area of lower concentration. Fick's diffusion law, which asserts that the diffusion flow is proportional to the concentration gradient, mathematically describes three-dimensional diffusion.
The diffusion process is explained by Fick's law of diffusion (movement of molecules from higher concentration to lower concentration region). Adolf Fick first explained Fick's Law of Diffusion in 1855. Normal diffusion, often known as Fickian diffusion, is a diffusion process that complies with Fick's rules. An abnormal diffusion process also referred to as non-Fickian diffusion, defies Fick's rules.
According to Fick’s law of diffusion,
“The molar flux due to diffusion is proportional to the concentration gradient”.
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What major cities are located near the San Andreas Fault?
Hey! Here is the pictures of the cities that are near the fault!
Which of your specimens (bacteria, algae, fungi or protozoa) was largest when viewed through the microscope?
Fungi specimen will be the largest when viewed through Microscope.
Fungi- Any of the about 144,000 species of fungi, which also includes yeasts, rusts, slime molds, mildews, and mushrooms. Additionally, there are several fungus-like species that do not actually belong to the kingdom Fungi but are frequently referred to as fungi, such as slime molds and oomycetes (water molds).
Microscope- It describes an optical device that enlarges an item using a lens or combination of lenses. They aid in viewing many creatures as well.
Lens- A piece of glass, or another transparent substance, having curved sides used alone (as in a magnifying glass) or in combination as in a telescope or microscope.
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Hi can someone please help me with this!
3)
Experimental group - Those that received the placebo
Control group - Those that received surgery
Dependent variable - Kind of treatment for knee problem
4)
Experimental variable - Use of repellant
Independent variable - Use of repellant
Dependent variable - Deer population around the trees
Control - Trees without the tiger urine
Controlled variables - Specie of the deer, specie of tiger producing the urine.
What is an experiment?We can see that in each case, the experiment is trying to establish a cause and effect relationship. This implies, does X lead to Y? Each experiment must have a dependent variable that changes and an independent variable that is manipulated.
3)
Experimental group - Those that received the placebo
Control group - Those that received surgery
Dependent variable - Kind of treatment for knee problem
4)
Experimental variable - Use of repellant
Independent variable - Use of repellant
Dependent variable - Deer population around the trees
Control - Trees without the tiger urine
Controlled variables - Specie of the deer, specie of tiger producing the urine.
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Which cytoskeletal structures may be linked to an inability to contract and relax the muscle?
The cytoskeletal structure linked to an inability to contract and relax the muscle is actin.
What's a cytoskeleton?Network of fibres that form the framework or infrastructure of most animal cells are called cytoskeletons. They consist of a complex network of proteins that help in cell movement and stabilize the cell.
What is Actin?Actin is a globular, multifunctional protein found in the myofibril of muscle tissues of all eukaryotic cells. Actin takes part in many cellular functions like cell division, cytokinesis, cell mobility and establishment of cell shape. Most importantly, it is necessary for muscular contraction.
Infection, inflammation and mutations in the genes that regulate the production of actin leads to an inability to contract and relax the muscle.
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A pregnant trauma patient, which intervention is performed during the focused obstetric as:________
During the focused obstetrical intervention, a perform cardiotocography is performed on a pregnant trauma patient.
What do you mean by obstetric?A branch of medicine that specializes in the care of pregnant women and mothers-to-be as well as the treatment of diseases of the female reproductive system.
How are obstetric scans performed?Obstetric ultrasonography employs sound waves to create images of the mother's uterus and ovaries as well as the baby (embryo or fetus) within a pregnant woman. It is the recommended approach for observing expectant mothers and their unborn children because it does not involve ionizing radiation and has no known negative effects
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Which is the most common cell type of connective tissue proper?
a. macrophages
b. mast cells
c. dendritic cells
d. fibroblasts
Option (d) fibroblasts is the correct answer.
Fibroblast is the most common cell type of connective tissue proper.
The most prevalent form of connective tissue cells are fibroblasts. Both fibers and an amorphous ground substance are produced by them.What do connective tissue include?Loose connective tissue, also known as areolar tissue, and dense (irregular) connective tissue make up connective tissue proper. Dense regular connective tissue, cartilage, bone, adipose tissue, blood, and hematopoietic tissue are examples of specialized connective tissue types.Why is it referred to as proper connective tissue?The two forms of connective tissue that make up connective tissue proper are loose connective tissue and thick connective tissue. Specialized cells and distinct ground materials make up specialized connective tissues. Function: It gives the tissues mechanical and structural stability.To learn more about proper tissue connective visit:
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Milady what bacteria generally consist of an outer cell wall containing a liquid called?
The outer cell wall in bacteria that consist of a cell wall is called protoplasm.
What is a bacterial cell wall?For the majority of bacteria, the maintenance of cell shape and structural integrity depends on the intricate, mesh-like structure of the bacterial cell wall. Due to its importance for most bacteria and absence in eukaryotes, the cell wall has historically attracted a great lot of study attention.
This makes it a prime candidate for some of our most potent antibiotics. Bacterial cell wall fragments may also have immunostimulatory and cytotoxic capabilities, which makes them significant players in disease pathogenesis. The majority of the cell wall is made up of peptidoglycan (PG), a network of polysaccharide strands that are cross-linked by short peptide bridges coupled to the MurNAc residues and have a poly-[N-acetylglucosamine (GlcNAc)-N-acetylmuramic acid (MurNAc)] backbone.
Therefore, protoplasm is the outer cell wall in the bacteria consisting of a liquid.
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The intellectual trait that is the opposite of intellectual empathy is? intellectual cowardice. intellectual narrow-mindedness. intellectual humility. intellectual autonomy.
The opposite of intellectual empathy is intellectual narrow mindedness.
What does intellectual empathy mean?Intellectual empathy involves the ability to imaginatively put oneself in the place of others in order to genuinely understand them .
Example of intellectual empathy is when an individual achieves intellectual empathy when they actively put themselves in someone else's shoes in terms of how they think and feel.
It's opposite is is intellectual narrow mindedness . It is thinking centered on self .
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most prokaryotic cells reside most prokaryotic cells reside in and on nonprokaryotic organisms (including humans and other animals). on earth's surface. in the oceanic and terrestrial subsurfaces. in lakes, rivers, and oceans.
Most prokaryotic cell reside in the oceanic and terrestrial sub surfaces. These prokaryotic organisms are single celled organism that does not have a nucleus like bacteria.
These organisms fed on the carbon compounds that is accumulating in earths early oceans. These organisms does not contains genetic material in nucleus. The DNA exists in the region of cell that is called as nucleoid.
These organisms have a rapid reproductive rate and also have a ability to survive harsh conditions.
Nucleoid is an irregular shaped region that is present in the prokaryotic cell and these contain genetic material.
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This component of blood plasma includes molecules that are important for body defense, osmotic balance, and lipid transport.
Plasma proteins are a component of blood plasma that contain components necessary for lipid transport and body defense.
Which three lipid transport pathways are there?The Lipid Transport Pathways. The body's three primary mechanisms for lipid production and transportation are as follows. These pathways include the reverse cholesterol transport pathway, the endogenous pathway, and the exogenous pathway. Water-insoluble lipids are transported throughout the body via lipoproteins. Different lipoprotein subtypes perform various functions. However, all have the same four fundamental building blocks: proteins, phospholipids, triglycerides, and cholesterol.
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lesson of the kaibab hypothesis?
Relationships between organisms and their physical surroundings as well as forces inside the biotic community have the potential to change the environment. The maximum number of creatures that a region can sustainably support is known as an ecosystem's carrying capacity. When a population is dense, the habitat may undergo such significant changes that the ecosystem is no longer suited for the survival of that species. For instance, excessive grazing on a piece of land may prevent it from supporting the grazing of the animals inhabited there.
Predators were eliminated and the forest service outlawed hunting.According to the graph, by 1924, the population had gotten out of hand; 100,000 people were living on a plateau with a carrying capacity of 30,000.Because the deer destroyed their habitat, there were 100,000 deer where there should have only been 30,000, which caused the population to fall.Due to natural predators and legal hunting, the deer population was much below its carrying capacity.The deer were unable to survive on the range after hunting was once more permitted. Food was scarce, and the populace was too frail to procreate.To learn more about predators here:-
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Sweet potatoes ipomoea batatas are hexaploid with 90 chromosomes. (6n = 90). how many telomeres would you expect to find in a sweet potato cell in g1?
Sweet potatoes Ipomoea batatas are hexaploid with 90 chromosomes. (6n = 90).Then they will have 360 telomeres in the G1 phase of the cell.
Chromosomes are the compact form of genetic material. It consists of proteins and DNA that are wound together to form this compact structure. A chromosome consists of two sister chromatids that are joined together by a protein called kinetochore and the point of junction is called the centromere. Each sister chromatid has 2 telomeres and therefore, one chromosome has total 4 chromosomes.
G1 phase of the cell cycle is the one where the cell prepares for the nuclear formation. It synthesizes various mRNA and proteins that are required in the S phase of the cell cycle. There is no change in the number of chromosomes during this phase and hence the number of telomeres will remain 360.
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According to freud, if a psychosexual conflict is not readily resolved, the child may develop a(n)______
According to Freud, if a psychosexual conflict is not readily resolved, the child may develop a fixation on the issue and therefore a psychological problem associated with this matter.
What does fixation mean to Freud's thinking?The psychosexual conflict in Freud's thinking refers to any type of fixation on an earlier development because he believed that children face different conflicts that should be solved in order to continue the next step.
In conclusion, according to Freud, if a psychosexual conflict is not readily resolved, the child may develop a fixation on the issue and therefore a psychological problem associated with this matter.
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A collection of domestic animals is a set
However, a collection of big domestic animals
is not a set How do you justify these statements
statements
As stated:
The claim is "A set is a group of domestic animals. A group of large domestic animals, however, is not a set."
The goal is to support the statements made.
Detailed explanation:
An explanation of a set - A collection of objects that is clearly specified is a set.
Therefore, we can conclude that a group of domestic animals is a set based on the definition of a set. A group of large domestic animals, however, is not a set. Since it's difficult to define a collection of large domestic animals. Thus, it does not constitute a set is the correct response.
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