Green algae, Red algae
The supergroup archaeplastida includes land plants and other photosynthesizers, such as Green algae , which include the chlorophytes and charophytes, and Red algae.
The green algae have yellow and green pigments that are employed in photosynthesis.These green algae can have one cell or several.The group thought to be most connected to land plants is the charophytes.The charophytes, which include Spirogyra, have a filamentous structure.Chlamydomonas and Volvox are examples of chlorophytes.The multicellular red algae have blue and red accessory pigments, which enable them to perform photosynthesis even in deep seas.What qualities make up an archaeplastida?Nearly all of the primary algae (i.e., with plastids of primary endosymbiotic origin) belong to the group called Archaeplastida ('ancient plastids,' and the vast majority of living species in this collection are photosynthetic).To learn more about archaeplastida visit:
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Please help! Im not sure if it’s primary or secondary because there was ground flora at year 0.
This seems like secondary succession because When a climax community or an intermediate community is affected by a disturbance, secondary succession occurs. The succession cycle is restarted, but not to the start because the soil and nutrients are still there.
The process of natural communities gradually replacing (or "succeeding") one another is known as ecological succession. For instance, if an old farm field is abandoned and left unattended for a long period of time, it eventually transforms into a forest as trees entirely occupy the land. Every plant community fosters the circumstances necessary for other plant communities to flourish. While later colonizers like shrubs and trees may provide cover and shade, early colonizers like grasses may enrich the soil with nutrients. When a "climax" community develops, succession temporarily halts; these communities maintain a state of relative balance until a disruption triggers the succession process to resume. Similarly, here we see that the land is abandoned and all the plant species community retained its survival and attained a stage of climax community. There is no new plant community appeared here. So, it's secondary succession.
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1.1.4 Quiz: The Scientific Process
Question 3 of 10
What is the next step in the scientific method, following data collection?
O A. Forming a hypothesis
OB. Stating the question
OC. Analyzing the data
SUBMIT
The next step is analyzing the data.
Scientists employ the scientific method to study the world in which they live. It may also be used to determine the veracity of any assertion.The first step in the scientific process is to define the issue and formulate a testable hypothesis. Making observations using your five senses and accumulating data can help you find the solution to a scientific inquiry.Making a hypothesis is the second step in the scientific process. An explanation for a group of observations or a response to a scientific enquiry is referred to as a hypothesis.The next step in the scientific process is to create an experiment to test the hypothesis. This entails putting together a materials list and a method, which is a detailed description of how to carry out the experiment.Therefore, option C. is correct.
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Most viruses form a capsid around their nucleic acid core. this capsid is composed of?
The relationship between a legume and bacteria in its root nodules is best described as:_________
The relationship between a legume and bacteria in its root nodules is best described as Mutualism.
Mutualism- Mutualism is a sort of symbiotic association in which all of the participating species gain from one another. Even though mutualism is extremely complicated, it may be loosely divided into two different kinds of relationships.
Bacteria- Bacteria are unicellular, self-replicating microorganisms that are typically free-living. Bacteria may be found all over the natural world. They are the basis of all life on earth and are simplistic in terms of architecture but highly developed in terms of functionality. A few different kinds of bacteria include Lactobacillus, nitrogen-fixing bacteria, Bifidobacterium, Helicobacter pylori, Staphylococcus, and Streptococcus.
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How and why have humans modified the ecosystem in the everglades? what have the intended and unintended consequences been?
The humans modified the ecosystem within the everglades because US Army CORPS of engineers built a levee around Lake Okeechobee, which drained about 1/3 of the Everglades.
Reason :This then cause building canals, and more levees which then create more acreage to grow crops (such as sugarcane).If the wetlands suffer, so do humans will. Humans are a part of the Everglades ecosystem because they depend on it for survival. the shortage of biodiversity caused by invasive plant species, which is in a position to spread throughout new ecosystems, means humans may lose access to good jobs, and safe water supplies for drinking and farming.
Steps for improvement :So, humans are presumably working to improve the Everglades to protect their tourism industries and water supplies. it's intended to restore, protect, and preserve the Everglades by capturing freshwater that flows unaccustomed the ocean and the gulf, and redirect it to areas that require it most for environmental restoration. because the Everglades become a more livable environment, it'll be easier for species to recover or restore along with the land.
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Which offers the best prognosis for the cure of cancer?
a. surgery
b. radiation
c. early detection
d. chemotherapeutic agents
Offers the best prognosis for the cure of cancer early detection.
The correct option is C.
Why is prognosis so important?In managing patients and making decisions, prognosis is crucial. One of the main goals of clinical research is to evaluate the prognostic variables that link the clinical and experimental baseline covariables to outcomes.
Describe a prognosis example:For instance, statistics examining the 5-year survival rate for a specific disease may be many years old from the time they were reported, new and improved treatments may have become available. One condition whose "prognosis" may not be entirely reliable is lung cancer.
What types of prognosis are there?It is possible to give a prognosis of excellent, good, fair, bad, or even hopeless. The risk factors and indications that are present in the patient have a significant impact on the prognosis for a disease or condition.
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Select the correct answer.
In a lab, a group of students measured the temperature at which various substances boiled. Their results are listed in the table.
Accepted Value (°C) Measurement in Lab (°C)
seawater 100.7 101.8
mercury 359.6 370.0
jet fuel 163.0 165.9
ethanol (alcohol) 78.4 81.8
Which measurement has the highest percent error?
seawater
mercury
jet fuel
ethanol
ethanol has maximum 4.3% error in the sample
Equation for percent error = (Measurement value - accepted value)/accepted value x100
for seawater :
Accepted Value 100.7 101.8
percent error = 101.8-100.7 ÷ 100.7 × 100
= 1.09%
for mercury :
Accepted Value 359.6 Measurement value 370.0
percent error = 370.0 - 359.6 ÷ 359.6 × 100
= 2.89%
for jet fuel :
Accepted Value 163.0 Measurement value 165.9
percent error = 165.9 - 163.0 ÷ 163.0 × 100
= 1.77%
for ethanol (alcohol) :
Accepted Value 78.4 Measurement value 81.8
percent error = 81.8 - 78.4 ÷ 78.4 × 100
= 4.3%
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Please give a short explanation about suspension, colloids, and, solutions.
Answer:
A suspension is a mixture containing small insoluble particles evenly distributed in a fluid but a colloid is a non uniform mixture of a solute and a solvent in which the particles are permanently suspended also a solution is a uniform mixture of a solute and a solvent
The large stained-
pink circle in the
middle of each cell
is most likely...
The large stained-pink circle in the middle of each cell is most likely the cell nucleus.
Eukaryotic cells, which have a distinct nucleus and other membrane-bound organelles, have the cell nucleus, a membrane-bound organelle. DNA, which contains instructions for the development and function of a cell, is one of the genetic material found in the nucleus of a cell.
In microscopic pictures or stained cell samples the nucleus often appears as a distinct, round or oval structure with a darker stain than the surrounding cytoplasm. The staining clarifies the presence of DNA and shows where the nucleus is located within the cell.
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A tissue has these characteristics; apical surface, simgle layer of tall narrow cells. brush border, goblet cells. what descriptors can define those characteristic?
C. secretion, absorption, simple epithelium, and columnar cells
The characteristic of the tissue which they have are secretion, absorption, simple epithelium, and columnar cells.
Secretion- The procedure of separating, developing, and releasing some substance that is either separated for excretion or has been functionally specialized (like saliva) (such as urine).
Absorption- The procedure through which nutrients are transferred into the blood from the digestive system for usage by the body.
Simple epithelium- A simple cellular layer makes up a simple epithelium. It serves as a lining for tubes, cavities in the body, and ducts. There are three forms of simple epithelium.
Columnar cells- The long, thin cells of columnar epithelial tissues resemble columns. These are typically seen in mucus-secreting areas, such the stomach. Additionally, they may be trained to pick up sensory data from the nose and taste receptors on our tongue.
The given question is incomplete, find below the complete question
Q. A tissue has these characteristics: apical surface, single layer of tall narrow cells, brush border, goblet cells. What descriptors illustrate what this tissue should be capable of doing or being?
1. secretion
2. absorption
3. simple epithelium
4. stratified epithelium
5. squamous cells
6. columnar cells
7. cuboidal cells
8. movement
A.1, 3, 6, 8
B.2, 3, 5, 8
C.1, 2, 3, 6
D.2, 4, 7, 8
E.1, 2, 4, 7, 8
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Which solution is most acidic?
A.pH=3
B.pH=7
C.pH=10
D.pH=14
Answer: A
Explanation: The lower pH is higher acidity, and 3 is the lowest so it is the most acidic.
If your ________ is destroyed, the left side of your brain could not control the movements of your right hand.
a. brainstem
b. hippocampus
c. amygdala
d. corpus callosum
If your brainstem is destroyed, the left side of your brain could not control the movements of your right hand.
Brainstem- The brainstem is the region at the base of the brain that is located between the cervical spinal cord and the deep cerebral hemispheres. It plays a crucial role in controlling some involuntary bodily functions like breathing and heartbeat.
Spinal cord- A column of nerve fibers that extends from the skull base to the middle of the back. It has three thin membrane-like layers of protecting tissue covering it. The vertebrae encircle the spinal cord and its surrounding membranes (back bones).
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You are observing an organism under the microscope and you note that it has a cell wall, no chloroplasts, and a nucleus. your prediction would be that this organism is a(n) ______.
Answer:
Observing an organism under the microscope which has a cell wall, no chloroplasts, and a nucleus. your prediction would be that this organism is a(n) fungus.
Explanation:
Each species of the eukaryotic category of organisms, which also covers the more well-known mushrooms and microbes like yeast and mold, is referred to as fungi. Apart from the different other eukaryotic kingdoms, which according to one classification contain Plantae, Animalia, Protozoa, as well as Chromista, these species are categorized as a kingdom.
Chitin in their cell walls distinguishes fungi mostly from plants, bacteria, as well as certain protists, putting them in a unique kingdom. Like mammals, fungi consume dissolved substances by absorbing them; normally, they do this by releasing digestive enzymes towards their surroundings. The majority of fungi are not toxic, however some of them can be. There are two types of fungal infections: primary and parasitic. Systemic infections are ones that spread throughout the body, whereas localized infectingifons are diseases that only affect one location.
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Which class of organisms gather their energy directly from the sun? a. autotrophs b. carnivores c. herbivores d. detritivores please select the best answer from the choices provided a b c d
Autotrophs class of organisms gather their energy directly from the sun.
Autotrophs- 1: Compared to heterotrophic plants, autotrophic plants just need carbon dioxide or carbonates as a source of carbon and a straightforward inorganic nitrogen component for metabolic synthesis of organic molecules (such as glucose). 2: having a regular metabolism without needing a specific exogenous substance.
Metabolism- The full spectrum of biochemical reactions that take place inside a living being. Anabolism, or the accumulation of chemicals, and catabolism make up metabolism (the breakdown of substances). The breakdown of food and its conversion into energy are particularly referred to as the metabolism.
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Answer:
a. autotrophs
Explanation:
Tetracycline is an antibiotic that works by binding to the 30s subunit of bacterial ribosomes, thus inhibiting protein synthesis. this drug is able to cross the cell membrane because:_____
Tetracycline is an antibiotic that works by binding to the 30s subunit of bacterial ribosomes, thus inhibiting protein synthesis. This drug is able to cross the cell membrane because as a weak base, it can cross the membrane in its uncharged form.
Tetracycline, an antibiotic, inhibits protein synthesis in what way?Tetracyclines prohibit aminoacyl-tRNA from joining the bacterial ribosome, hence inhibiting the production of bacterial proteins. Therefore, depending on whether the vulnerable organism is a gram positive or gram negative, these molecules must pass through one or more membrane systems in order to engage with their targets. Tetracyclines travel via the OmpF and OmpC porin channels of gram-negative enteric bacteria as positively charged cation-tetracycline coordination complexes, most likely magnesium. The Donnan potential draws the cationic metal ion-antibiotic complex across the outer membrane, causing it to accumulate in the periplasm. There, the metal ion-tetracycline complex is likely to dissociate to release uncharged tetracycline, a weakly lipophilic molecule that can diffuse through the lipid bilayer regions of the inner (cytoplasmic) membrane.Learn more about the Tetracycline with the help of the given link:
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Adenosine regulates synaptic activity through its actions on:___.
Adenosine regulates synaptic activity through its actions on presynaptic autoreceptors. Adenosine A1 receptors are expressed at a presynaptic locus withinside the BLA and that activation those receptors substantially inhibits glutamate launch possibility onto BLA pyramidal neurons.
The adenosine A2A receptor is a G-protein-coupled receptor that may be a most important goal of caffeine and vital for regulating myocardial oxygen consumption, coronary blood flow, and CNS neurotransmitters, hence a receptor of hobby for brand new drug development.
The adenosine A2A receptor is particularly gift with inside the brain, heart, lungs, and spleen. The adenosine A2B receptor has its most important distribution with inside the big gut and bladder, and the adenosine A3 receptor is gift inside the lungs, liver, brain, testis, and heart.
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invisible living creatures were thought to exist and cause disease long before they were ever observed.
invisible living creatures were thought to exist and cause disease long before they were ever observed. True
Microbes are the invisible living creatures that were thought to cause diseases long before they existed. They are so small that they are not visible with the normal eyes.
Even before the discovery of the microbes their presence was speculated in ancient times, prove of which exist in the jain literature.
Microorganisms are moslty unicellular organism, which can live in a very diverse condition including all archaea, bacteria and few eukaryotes as well.
They are considered to be the most primitive organism that must have existed after the formation of earth.
They effect our life in both positive and negative manner.
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In adults, which bone marrow is limited to the axial skeleton, pectoral and pelvic girdles, and proximal heads of the humerus and femur?
Red bone marrow in adults is only found in the axial skeleton, the pectoral and pelvic girdles, and the proximal heads of the humerus and femu.
What is bone marrow?
The spongy substance found inside a few of the body's bones, notably the hip and thigh bones, is called bone marrow. Stem cells, which are immature cells, are found in bone marrow. Blood cells and healthy bone marrow are essential for human survival. A marrow or cord blood transplant may be the best course of treatment when a disorder or illness damages bone marrow to the point where it is no longer able to function properly.
Red bone marrow is limited to the axial skeleton, pectoral and pelvic girdles, and proximal heads of the humerus and femur in adults.
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Consider the three environments of a firm. which of the environments has the most direct and immediate impact on the firm? which of the environments has a more diffuse and delayed impact? explain.
The internal environment of the environments has the most direct and immediate impact on the firm
The general environment of the environments has a more diffuse and delayed impact
The internal and exterior surroundings of an organization are distinguished from one another. Everything outside of an organization's walls that could have an impact on it is referred to as the external environment. The general environment and the task environment are the two external environments that exist. The set of broad dimensions and factors that make up an organization's surroundings and establish its broader context are referred to as the general environment. An illustration of the general external environment is the political and legal aspect of society, which has an impact on the organization by imposing various laws to regulate its production.The specific organizations or groups that have an impact on an organization are referred to as the task environment. Examples include clients, rivals, authorities, business associates, and suppliers. Customers, for instance, have a significant influence on the products that a business will advertise (because the customers have needs and prefer specific products over others). The organization is also impacted by customer satisfaction because if a consumer complains, the business must adapt in order to satisfy the customer, or its reputation would suffer.Out of the two external environments, the general environment is the one that has an impact on the organization that is more scattered and delayed. The conditions and forces that exist within an organization are referred to as its internal environment. The internal environment, which drives the firm's decision-making, has an immediate and direct effect on it.The owners, board of directors, workers, work environment, cultures, and physical environment make up an organization's internal environment. For instance, the board of directors oversees the general management of the company and makes sure it is being operated properly and in the benefit of the stockholders. Thus, the board of directors has a direct impact on the company since they decide whether a procedure, partnership, or product is insufficient and needs to be discontinued in order to benefit stockholders. It is ultimately up to the internal environment to decide and take direct action. External shareholders, like customers and suppliers, are a part of the task environment and can influence the board of directors by expressing that some processes are not to their liking.To learn more environments of firm visit:
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A protein that increases the transcription of a gene in response to a specific environmental stimulus best exemplifies which type of protein function?
The function of this protein is to regulate the internal environment when it experiences the external stimulus.
What molecules increase the transcription of a gene in response to an external stimulus?Activators are the type of proteins that increase the transcription of a gene in response to an external stimulus. We can also say that an activator turn on a gene while on the other hand, Inducers are the small molecules that either activate or repress the process of transcription protein that depends on the needs of the cell and the availability of substrate.
So we can conclude that the function of this protein is to regulate the internal environment when it experiences the external stimulus.
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The growing or farming of marine plants or animals under controlled conditions is called?
A compound in which polysaccharides are linked to peptide fragments that provides the main source of structural support to the bacterial cell wall is?
Peptidoglycan is a compound in which polysaccharides are linked to peptide fragments that provide the main sources of structural support to the bacterial cell wall.
Peptidoglycan is a stiff coat that surrounds the cytoplasmic membrane of most bacteria. It protects bacterial cells from environmental stress and maintains cell shape throughout their life cycle. Hence, it provides the main source of structural support to the bacterial cell wall.
By encasing the cytoplasmic membrane of most bacteria, peptidoglycan is responsible for osmotic stability. It is a one-of-a-kind, net-like polymer composed of glycan strands that are connected together by peculiar peptides. The structure of bacterial peptidoglycan varies greatly due to changes in amino acid sequence, cross-link types, and the presence or absence of secondary modifications in both the glycan strands and peptides.
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Coral bleaching results from a loss of the dinoflagellate endosymbiote. What is the metabolic result on the coral from coral bleaching?.
The metabolic result on the coral from coral bleaching is that The coral are not able to obtain energy from the products of photosynthesis.
Endosymbiosis, in which a microbial partner lives within the cells of a larger host organism.
Algae and coral both rely on one another to live. Corals and the zooxanthellae, tiny algae that dwell in their tissues, share a symbiotic relationship. The coral's main food supply and source of color are these algae. Coral that is under duress will lose its algae. Algae depart the coral tissue when the symbiotic relationship is strained by elevated ocean temperature or pollution. Coral that has been bleached is left exposed and vulnerable. The coral loses its primary food source without the algae, turns white or very pale, and becomes more prone to illness.
Ocean temperature variation Coral bleaching is most commonly caused by rising ocean temperatures brought on by climate change. Pollution and runoff Storm-generated precipitation has the potential to quickly dilute ocean water, and runoff can transport chemicals that can bleach corals close to the coast. excessive exposure to the sun High sun irradiation causes bleaching in shallow-water corals when temperatures are high.
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Atoms that readily lose electrons have:
Answer:
2nd option
Explanation:
Atoms with low ionization energy and low electron affinity (metals) tend to lose electrons and become positive ions. Atoms with high ionization energy and high electron affinity (nonmetals) tend to gain electrons and become negative ions.
Which phrases apply to metamorphic rocks? Check all that apply.
Oform under extreme heat and pressure
form from existing rocks
Oform from magma and lava
Oform when sediments combine
Oform from volcanic eruptions
Answer:
Oform under extreme heat and pressure form from existing rocks
Oform when sediments combine
Oform from volcanic eruptions
Explanation:
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.Sedimentary rock may be broken down into sediment once again by weathering and erosion. It may also form another type of rock. If it becomes buried deep enough within the crust to be subjected to increased temperature and pressure, it may change into metamorphic rock.
Answer:
from under extreme heat and pressure, form from existing rocks
Explanation:
thats just the correct answers
Explain in your own words how volume is measured.
Answer: Volume is measured by length x width x height.
Explanation: how that helps.
Suppose separate gene knockouts do not produce any phenotypic effects but combining the two gene knockouts in one organism shows a difference in phenotype. what is the most likely explanation?
The most likely explanation for this circumstance is Gene redundancy.
What is Gene knockout?Gene knockout may be defined as a type of genetic technique through which a specific gene from living organisms is eliminated or removed. Apart from this, the function of a specific gene is also terminated with this technique.
Gene redundancy may be characterized as an instance through which two or more genes perform an identical function and the inactivation of either one of them has little or no effect on the biological phenotype or pathway.
Therefore, gene redundancy is the most likely explanation for the given circumstance.
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In pea plants, green color (G) is dominant to albino (g). If we cross two pea plants that are heterozygous for color, what would be the expected phenotype ratio of the offspring? Do the Punnett square and write the phenotypic ratio in the space below:
Explanation:
risky behavior and abuse
When two heterozygous plants are crossed, then the offspring will be of two different phenotypes, such as green and albino. Out of the four individuals, three will be green and one will be albino. The phenotypic ratio is 3:1.
What is a monohybrid cross?A monohybrid cross involves a single character or trait. Example: the colour of a pea plant. In the pea plant, green is dominant over albino. Green colour is represented by G. Albino colour is represented by g.
The homozygous green plant is represented by GG. The heterozygous green plant is represented by Gg . The homozygous albino plant is represented by gg .
When two heterozygous plants (Gg) are crossed, each parent will produce two types of gametes, such as G and g. There will be offspring of the GG, Gg and gg type. Both homozygous (GG) and heterozygous (Gg) plants will be green. The punnett square is explained below
Hence, there will be two different phenotypes, such as green and albino, from the cross of two heterozygous individuals. The phenotypic ratio is 3:1.
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How do the upper layers receive nourishment if epithelial tissues are not vascular?
The avascularity of epithelial tissues is almost complete. For example, no blood arteries may get through the basement membrane to enter the tissue, therefore nutrients must be absorbed or diffused from the surface or underlying tissues.
What is Epithelial tissue ?The epithelium is a type of body tissue that covers all of the internal and exterior body surfaces, lines hollow organs and body cavities, and makes up the majority of glandular tissue.
Epithelial tissue has three main purposes: acting as a barrier of protection, secreting chemicals, and absorbing substances. The primary function of particular tissues varies depending on the location and cell type. Goblet cells and stratified epithelium commonly form protective barriers.Simple squamous, simple cuboidal, simple columnar, and simple pseudostratified are the four main classes of simple epithelium.Learn more about Epithelial tissue here:
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In a sensory pathway, which neurons run from the thalamus to the sensory cerebral cortex?
In a sensory pathway, third-order neurons run from the thalamus to the sensory cerebral cortex.
Thalamus is a gray matter located in the center of the brain. It is the main center for the processing of all the signals that are transmitted to the different parts of the body. However, the thalamus does not control the signals in response to smell.
The cerebral cortex is the outermost layer of the brain. It is responsible for the processing of functions like language, thinking, reasoning, decision-making, etc. There are three functional areas: motor areas, sensory areas, and association areas.
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