Any two connected genes will cross over more frequently in proportion to their distance from one another.
What is the highest frequency of recombination between two genes in terms of percentage?Therefore, the maximum recombination frequency that can be seen is 50%, which is a sign of either loci on distinct chromosomes or loci that are far distant from one another on the same chromosome.
Is recombination always 50% of the time?The frequency of recombination is particularly low when genes on a chromosome are near to one another. Recombination occurs 50% of the time when genes are spread out across two or more chromosomes.
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13. A graduated cylinder has 20 ml (cm³) of water placed in
it. An irregularly shaped rock is then dropped in the
graduated cylinder and the volume of the rock and water
in the cylinder now reads 30 ml (cm³). The mass of the
rock dropped into the graduated cylinder is 23 grams.
a.) Find the volume of the rock dropped into the
graduated cylinder.
b.)
Find the density of the rock dropped into the
graduated cylinder.
Step 1: Write the Equation
Step 2: Substitute with units
Step 3: Solve with units to nearest 0.1
A. Volume = displcement
Therefore the rock has a volume of 10mL
B. Density = mass/volume
Therefore density = 23/10 = 2.3 per unit volume.
Measure the amount of water poured into the graduated cylinder put the object in the water and measure the amount again. The difference between the two volume measurements is the volume of the object. Then divide the mass by the volume to calculate the object's density.
To measure the volume of a large stone fill a glass measuring cup halfway with water. Put a large stone in and measure the new water level. Subtract the original volume of half a glass of water and the difference is the volume or space occupied by the stone. One way he does this is by submerging the object in a measuring cup of water and recording how much the volume increases. Convert volume to m³.
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a gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect.a preferred sugar prevents transcription of a sugar-metabolizing operon.a protein that changes its conformation upon binding to another molecule, such as a repressor that binds toan inducer.stimulation of transcription by a specific molecule. prevention of gene expression by a specific protein that binds to an operator.a cluster of genes transcribed together into a single mrna and regulated as a group.premature termination of transcription in response to translation of an rna leader.an untranslated region at the 5' end of a bacterial mrna.a strain that synthesizes curtain enzymes regardless of environmental conditions.
A gene fusion where the regulatory region of one gene is fused to the open reading frame of another gene whose protein product is easy to detect reporter gene.
A gene created by combining sections of two different genes. Fusion genes and the fusion proteins that result from them can be created in the laboratory or naturally in the body when a piece of DNA from one chromosome moves to another. The most common type of mutation is gene fusions or translocations caused by chromosomal rearrangements. They result in chimeric transcripts or gene deregulation due to the juxtaposition of novel promoter or enhancer regions.
A reporter gene is an exogenous coding region that is linked to a promoter sequence or element in an expression vector and introduced into cells to provide a means of measuring promoter activity.
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the functions of the liver include
Answer:
The functions of the liver include:
Bile production and excretion.Excretion of bilirubin, cholesterol, hormones, and drugs.Metabolism of fats, proteins, and carbohydrates.Enzyme activation.Storage of glycogen, vitamins, and minerals.Synthesis of plasma proteins, such as albumin, and clotting factors.The functions of the liver include:
FiltrationDigestionMetabolism and DetoxificationProtein synthesisStorage of vitamins and mineralsExplain the functions of the liver.
Filtration: The liver filters the blood and breaks down harmful substances. The by-products are excreted into the bile or blood.Digestion: The liver plays a role in digestion by secreting bile. Bile is a fluid produced in the liver and stored in the gallbladder.Metabolism and Detoxification: The liver uses enzymes as a mode of detoxification. The liver also detoxifies the body by changing a foreign or harmful agent to urea or bile and excreting it from the body via stool or urine. Protein synthesis: Liver cells play a role in protein synthesis and amino acid metabolism, and is involved in the production of ammonia.Storage of vitamins and minerals: The liver produces, stores, and releases vitamins and minerals into the blood. Vitamins are responsible for pulling out vital elements from the foods we consume. These elements are essential for normal growth, the development of healthy red blood cells, hormones, genetic materials, and the nervous system.Thus, these points are the functions of the liver.
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when using the hill equation:a.it will never be 1 for a multisubunit protein.b.it is possible to observe positive cooperativity.c.it cannot be applied to noncooperative binding.d.it is possible to observe both positive, negative and no cooperativity.e.it is possible to observe negative cooperativity.
when using the hill equation, it is possible to observe negative cooperativity.
What is negative cooperativity?Negative cooperativity is a phenomenon in which binding of one or more molecules of a ligand to a multimeric receptor makes subsequent ligand molecules more difficult to bind. Negative cooperativity can make the response of a multimeric receptor more graded than it would otherwise be. Negative cooperativity occurs when the binding of a first ligand or substrate molecule reduces the rate of subsequent binding. This definition does not apply only to ligand-receptor binding; it applies whenever two or more molecules have two consecutive binding events. Negative cooperativity occurs when the binding of a first ligand or substrate molecule reduces the rate of subsequent binding.
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what role does trna play in gene expression?
Between the messenger RNA (mRNA) molecule and the expanding chain of amino acids that make up a protein, transfer RNA acts as a link (or adaptor).
What is gene expression?
Gene expression is the process by which the data included in our DNA is transformed into instructions for constructing proteins or other molecules.A finely controlled process called gene expression enables a cell to react to its changing surroundings.It serves as both a volume control that raises or lowers the level of proteins produced as well as an on/off switch to regulate when proteins are created.Transcription and translation are the two essential processes that go into the creation of a protein.What is t-rna?
Transfer RNA, often known as tRNA, is a form of RNA that aids in the production of protein from mRNA. During translation, tRNA performs the role of an adaptor molecule. It was previously referred to as soluble RNA, or sRNA. It serves as an adaptor by connecting amino acids and nucleic acids. It transports the amino acid that needs to be included in the peptide chain and decodes the mRNA molecule's codon for that amino acidHence t-rna plays important role in gene expression.
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the logging of u.s. temperate rainforests has been especially contentious over the past few decades because .
The logging of u.s. temperate rainforests has been especially contentious over the past few decades because pre-participation physical examination.
What is pre-participation examination?A pre-participation examination, has been often known as the sports such as the physical, has intended to support the maintenance of players' health and safety. The goal has to encourage risk-free participation.
The primary objective as Identify any conditions that could put the athlete at risk for harm, Determine whether any conditions are potentially fatal or incapacitating and fulfill all legal and insurance requirements.
The main agenda analyze general health, counsel on matters relating to health as well as evaluate the level of fitness for a particular sports.
Therefore, The logging of u.s. temperate rainforests has been especially contentious over the past few decades because pre-participation physical examination.
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how are selective media used in studying bacterial recombination? select the two correct statements. how are selective media used in studying bacterial recombination?select the two correct statements. selective media can be used to identify bacteria that have acquired a resistance gene and are recombinant. selective media can be used to identify bacteria that contain a free or integrated f plasmid. selective media can be used to identify bacteria that have a mutation in a metabolic pathway by looking for mutants that are unable to complete normal metabolic processes. selective media can be used to identify bacteria that have a mutation associated with in flagellum proteins or proteins involved in flagellum movements by looking for mutants that are unable to move. selective media can be used to supply rare nutritional ingredients to the recombinant bacteria.
The correct statements about selective media are:
Selective media is used to identify bacteria that have a resistance gene and are also recombinant.Selective media is used to identify bacteria that have a mutation in a metabolic pathway by looking for mutants that are not able to complete normal metabolic processes.Recombinants are the host cells that have been integrated with a gene of interest from an outside source. These recombinants may either clone the genetic material or produce the product from it in the form of proteins.
Mutation is any change in the normal genetic sequence of DNA. The mutation can be in a single nucleotide or at a stretch of various nucleotides. These are termed as point and frameshift mutations respectively.
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What i Photoytem, Noncyclic Pathway, ATP ynthae, Carbon fixation, carbon regeneration, carbon reduction, Calvin Cycle, photorepiration, C4 plant, and CAM photoynthei
The three foremost forms of photosynthesis are C3, C4, and CAM (crassulacean acid metabolism)
C4 flowers are so-called because the primary manufactured from CO2 fixation is a C4 natural acid, oxaloacetate, shaped by way of the carboxylation of phosphoenolpyruvate (PEP) by way of PEP carboxylase. The oxaloacetate is converted to other C4 acids (malate or aspartate) and transferred to the packaging sheath.
Calvin cycle is the main pathway of carbon fixation in vegetation, algae, and cyanobacteria. The opportunity pathways of carbon fixation are the Reductive citric acid cycle in microorganisms. 3-hydroxypropionate cycle in bacteria and archaea.
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which of the following is not a reptile? group of answer choices northern leopard frog marine iguana galapagos tortoise burmese python
Among all these options all of them are reptiles except for one species. The species that is not at all a reptile is northern leopard frog that is an amphibian.
What is the kingdom to which the reptiles belong ?
Reptiles belong to the kingdom animalia and the class reptilia. The more animals to which the kingdom belong are lizards, crocodiles and many more.
Amphibians (frogs) that are having four limbs and these are mostly able to live in both water and land for example in the case of amphibians it is eggs laying in water but they live on land but it is noticeable that they fertilise in water.
Therefore, the correct option is northern leopard frog.
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D
Question 7
Cells that have a flagella, like a sperm cell, are specialized to accomplish
which function?
O movement
O communication
O nutrition
O storage
Answer: Movement is the answer.
Explanation: I remember answering this question.
which of the following is false about enzymatic reactions? when the temperature is very low, hardly any collision between the enzymes and substrate molecules is possible. when the temperature increases beyond the optimum point, denaturation of enzymes occurs, leading to a drop in enzyme activity. less than and equal to the optimum temperature, any increase in the reaction temperature leads to a decrease in its rate. when the temperature is very low, enzymes are described as being inactive due to low kinetic energy. answer saved
Less than and equal to the optimum temperature, any increase in the reaction temperature leads to a decrease in its rate is not true regarding enzymatic reactions.
Factors affecting enzyme
The reaction that enzymes catalyse receives activation energy from them.
Temperature is one of the elements impacting enzymes. Substrate molecules start to move more quickly as the temperature rises. By increasing the number of substrate molecules that come into contact with the enzymes' active sites, more substrate can bind.
The enzyme's active sites must be free for the velocity to be at its highest level.
The human body uses enzymes to accelerate chemical reactions. Among many other functions, they are crucial for respiration, food digestion, muscle, and neuron activity. There are thousands of enzymes in each cell of the human body. Each cell's use of enzymes aids in facilitating chemical reactions
Proteins that contain amino acids linked together in one or more polypeptides are called enzymes.
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What Makes Azurite Valuable? (With scientific evidence)
The intense blue color of azurite makes it the most recognisable feature. It is soft as well, barely having a Mohs hardness of 3.5 to 4. It has a specific gravity of 3.7 to 3.9, which is incredibly high for a non-metallic mineral, and includes copper, which gives it its blue color. With diluted hydrochloric acid, the carbonate mineral azurite creates a mild effervescence and a bright blue liquid.
Property of Azurite
Cu3(CO3)2(OH)2 is the chemical formula for the mineral azurite, which is a copper carbonate hydroxide. Most famous for its distinctive deep blue to violet-blue tint For its distinctive deep blue to violet-blue tint, it is most known. The "azure" shade of blue resembles a deep blue.
For its distinctive deep blue to violet-blue tint, it is most known. The shade of blue that is called "azure" resembles the dark blue skies that are frequently found over deserts and winter landscapes. Although azurite is a rare and infrequent mineral, its stunning blue hue grabs people's attention.
Therefore,rarely is azurite treated to intensify its color. However, resins and other materials are routinely used to impregnate and stabilize the rough.
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for the population of all adults, assume that the weight loss after six weeks on the diet (weight before beginning the diet minus weight after six weeks on the diet) is normally distributed with mean . to determine if the diet leads to weight loss, we test the following hypotheses:
For the population of all adults, count on the weight loss after six weeks at the weight-reduction plan H0: μ = 0, Ha: μ > zero.
The population is defined as all nationals present in, or briefly absent from a country, and aliens completely settled in a rustic. This indicator indicates the wide variety of humans that normally live in an area. boom costs are the once-a-year adjustments in population as a result of births, deaths, and internet migration throughout the year.
A discrete assemblage of entities with identifiable characteristics along with humans and animals with the objective of analysis and statistics collection is known as a population. It includes a comparable organization of species that dwell in a selected geographical location with the potential to interbreed.
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Dna replication occurs during the _____________ phase and cell replication occurs during the _______________ phase.
DNA replication occurs during the S phase and cell replication occurs during the interphase phase.
In interphase, there is a process of preparation and storage of energy by cells to carry out the division. During interphase, the cell nucleus (nucleus) and daughter cells (nucleolus) are visible. However, the chromosomes in the cell are not visible because they are still in the form of chromatin, which are fine threads composed of DNA, RNA, and protein molecules.
The interphase stage can be divided into three:
G1 phase ("first gap"), develops the cytoplasm (cell fluid), cell organelles, as well as the synthesis of materials to be used for the next phaseS phase, DNA replication or duplication occurs as genetic material that will be passed on to daughter cells, so that two DN terminations will be produced.G2 phase ("second gap"), DNA replication has been completed. There is an increase in protein synthesis as the final stage of cell preparation for division.Learn more about interphase here https://brainly.com/question/14130118
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What is an acronym for the characteristics of life?
The acronym for the characteristics of life is REACHNGRO.
What is REACHNGRO?
REACHNGRO is the acronym used for the characteristics of life.
As we know, characteristics of life are certain traits that help distinguish between living things and non living things. Sometimes, non living things attribute certain traits as living things do. We know that a car moves, but so does a cat or a dog. A cloud grows in size, but so do plants and trees. So a way to distinguish between living and non living things is these characteristics of life.
REACHNGRO stands for :
• R- reproduce
• E- energy
• A- adapt
• C- cells
• H- homeostasis
• N- nucleic acids
• G- growth/ development
• R- response to surroundings
• O- organizations
Therefore, for easier remembrance of the characteristics of life, just remember the acronym REACHNGRO.
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Which animal is similar to humans?
Answer:
Chimpanzees.
Explanation:
Chimpanzees now have to share the distinction of being our closest living relative in the animal kingdom
Chimpanzees now have to share the distinction of being our closest living relative in the animal kingdom. So, chimpanzees are similar to humans.
What animals are similar in form to humans?
Humans, chimpanzees, gorillas, orangutans, and their extinct ancestors form a family of organisms known as the Hominidae. Researchers generally agree that among the living animals in this group, humans are most closely related to chimpanzees, judging from comparisons of anatomy and genetics.
Why humans are also animals?
Humans can move on their own and are placed in the animal kingdom. Further, humans belong to the animal phylum known as chordates because we have a backbone. The human animal has hair and milk glands, so we are placed in the class of mammals. Within the mammal class, humans are placed in the primate order.
Thus, chimpanzees are similar to humans.
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which characteristic was not advantageous for organisms in the million years after the catastrophic asteroid impact?
Large body size was initially a disadvantage for organisms in the million years after the catastrophic asteroid impact.
An Impact event is a collision between astronomical objects causing measurable effects. large body size is known as a key diagnostic feature of species threatened with extinction.
In ecology, The studies between the body size and extinction has been studied in detail. The specification curves show that the body size effect on threat status tends to be less strongly impactful in models that include geographic range size as a covariant.
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What happens when there is an influx of
nutrients in an aquatic ecosystem?
A. there is an overabundance of nutrients
B. producers slow down their rate of production
C. nutrients become limited in that ecosystem
D. producers work in harmony to supply nutrients to the
area
When an electron is emitted from photosystem II, it does not return.The photosystem cannot trap any more light energy until the "hole" in the photosystem is filled with another electron. The source of the electron that fills the "hole" in photosystem II is
Select one:
a. carbon dioxide
b. water
C. NADPH
d. ATP
Answer:
carbon dioxide
your welcome
Darwin studied two different types of tortoises on the galapagos islands. Sort the characteristics based on which tortoise they describe.
The characteristics of tortoise that Darwin describes include lengthy necks in saddleback tortoises and short necks in domed tortoises.
Darwin observed that many species of tortoises resided on islands with various climatic conditions. He understood that the tortoises possessed characteristics that enabled them to survive in their specific settings. For instance, the shells and necks of tortoises that consumed plants close to the ground were rounded.
The two varieties of Galapagos Island tortoises will be divided into the following groups:
Saddleback Tortoises have lengthy necks, elevated plant life, and rounded shells. While short necks in domed tortoises, ground-level plants, and ordinary shells.
It should be noted that the term "Galapagos tortoise" refers to a chelonoidis family member. The largest species of tortoise are known to exist. They have a maximum weight of 417 kg.
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I NEED HELP WiTH ALL THIS ASAP
The skeleton has been labeled based on the information given.
What is a skeleton?The human skeleton is the body's internal framework. It is made up of approximately 270 bones at birth, which decreases to approximately 206 bones by adulthood after some bones fuse together. The skeleton's bone mass accounts for approximately 14% of total body weight.
Thw body's skeletal system serves as a support structure. It shapes the body, allows movement, produces blood cells, protects organs, and stores minerals. The musculoskeletal system is another name for the skeletal system. The skeletal system also provides support to the body by acting as a framework and attachment.
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Match the following answers
In which phase of the cell cycle interphase
are chromosomes duplicated
(DNA is copied)
Which types of human cells use
mitosis to make more cells?
If a somatic cell has a diploid
chromosome number of 20, then
after mitosis is complete each of
the new resulting cells will have
this many chromosomes
A
w
25
S
H
YOU WON'T USE
ALL OF THESE
20
prophase
Skin
cells
Bone
Cells
10
Egg
cells
Muscle
Cells
40
Hair Cells
telophase
Sperm
Cells
Answer:
Skin cells
Explanation:
Because skin cells are often in harsh conditions, it is important that they undergo mitosis often
4. In South America, Africa and Australia fossils of the same exact extinct amphibian
can be found. Which of the following statements best describes this occurrence?
Occurrence of endemic species in South America and Australia is due to continental drift. Continental drift is the gradual movement of the continents across the earth's surface.
Darwinism claims that the fossilized remains of South American species are similar to those found in Africa and Australia.
Thousands of animals and plants were gathered and described by Darwin during the Beagle's trip (1831–1836). He studied how species in South America adapted to a range of environments, including rainforest, grassland, and mountain ecosystems. The species in the temperate areas resembled the species of South America's tropical regions more than they did the similar species of Europe's temperate regions. For instance, although there are no rabbits in Argentina's grasslands, there are rodents that resemble them. These rodents are not linked to European rabbits, but rather to other rodents found in South America.
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Name the only satellite which is known to have an atmosphere and the planet it orbits.
______ which orbits ______ .
Answer:
Titan which orbits Saturn.
which of the following methods of altering enzyme activity is irreversible? phosphorylation of enzymes. binding of allosteric effectors to enzymes. binding of transition state analogs to enzymes. none of the above (all of them are reversible). binding of competitive inhibitors to enzymes.
All methods for changing enzyme activity are temporary. They are all reversible.
What is an easy way to define enzyme?
A specific kind of biological catalyst called an enzyme is almost always a protein. It speeds up a particular chemical process happening inside the cell. The enzymes are continuously employed throughout the process, and they are not wasted.
What role does an enzyme play?
Our bodies' metabolism, or chemical reactions, are accelerated by proteins called enzymes. While certain chemicals are destroyed, new ones are created. Enzymes are a part of everything living. Our bodies naturally manufacture enzymes. Names ending in -ase are frequently derived from the substrate of an enzyme or the series of events that it catalyzes.
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A researcher while working in vitro outside cell added Helicase enzyme which resulted in the untwisting of the DNA helix But the untwisting led to strain ahead of the replication fork. Which enzyme can be added to correct this problem
Answer:
The enzyme needed is topoisomerase. Topoisomerases are enzymes whose function is to regulate the unwinding of the DNA double helix. They ensure there is no over winding or underwinding of the helix. During the replication and transcription of DNA, the double helix becomes overwound ahead of the replication fork. If left to go on, the tension created would eventually hinder the ability of DNA and RNA polymerase enzymes to continue down the strand of DNA. Topoimerases I and II enzymes correct this, ensuring the polymerase enzymes do their work smoothly.
Explanation:
Hope this helps!
How does the body protect its iron stores when iron stores are low?
The body can store a small amount of extra iron in a protein found in red blood cells called ferritin.
Iron absorption has been shown to be improved by vitamin C. It binds to non-heme iron and stores it in a form that your body can easily absorb. The mechanisms that regulate systemic iron homeostasis are largely focused on the liver and involve two molecules, hepcidin and ferroportin, which collaborate to regulate the flow of iron from cells into the systemic circulation.
Iron deficiency is commonly caused by a lack of iron in the diet, chronic blood loss, pregnancy, and strenuous exercise. Iron deficiency occurs when some people are unable to absorb iron. Iron deficiency can be treated by consuming iron-rich foods.
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the biological species concept emphasizes that: group of answer choices species are interbreeding entities that occupy diverse geographic areas species are reproductively isolated from each other species are irreducible clusters of organisms species are a nonsensical concept in evolutionary biology
The biological species concept would emphasize that species are reproductively isolated from each other.
So, the correct option is B.
The biological species idea stresses group separation for reproduction and is based on behavioral evidence. The lineage-species idea, which is based on genetic data, highlights unique evolutionary paths across groups that produce separate branches on a phylogenetic tree. According to the biological species concept, a species is a collection of populations that, when living together in nature, have the capacity to interbreed and give birth to live, fertile offspring but do not tend to breed with other populations.
The study of reproductive isolating mechanisms is essential to understanding the biological concept of species because these mechanisms act as physical barriers to gene flow, defining the boundaries of the reproductive community and gene pool while also maintaining the integrity of the species' genetic makeup.
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One group of rabbits lives in a forest in New York. Another group
of rabbits of the same species lives in a forest in Connecticut. Are these two
groups of rabbits part of the same population? PLS Help (Por favor)
When air is no longer moving through the respiratory tract and the airway is open to the environment, the pressure within the lung is equal to.
While air is no longer shifting thru the breathing tract and the airway is open to the environment, the pressure inside the lung is identical to atmospheric pressure.
Whilst the Intrapleural stress equals atmospheric pressure, not best will the lung disintegrate but the chest wall will enlarge. that is due to the fact you've removed it from being held onto the pleural sac. you may have both the lung crumble and the chest wall extend if you make this stress identical to atmospheric pressure.
The force exerted with the aid of gases in the alveoli is referred to as intra-alveolar (intrapulmonary) stress, whereas the pressure exerted through gases inside the pleural cavity is known as intrapleural stress. normally, intrapleural stress is lower, or worse than, intra-alveolar strain.
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