DNA is more resistant against enzymes that break down nucleic acids.
DNA has a double‑stranded structure that ensures an accurate mechanism of duplication.
What is meant by mechanism?
the method or technique by which a result is brought about or a goal is achieved. Machinery or general mechanical devices. the layout or arrangement of components in a machine, comparable equipment, or something similar. Any mechanical device, or the mechanical component of something: the clock's mechanism.A mechanism is a component of a machine that consists of two or more parts that are arranged so that the movement of one piece compels the motion of the others. Typically employed to Change your movement's direction. Alter the movement style.The body's organ systems run consistently in a certain way. The processes by which the body's organ systems operate are frequently referred to as "physiological mechanisms."To learn more about mechanism refer to
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What happens if a human has more than 46 chromosomes?.
The most common forms of trisomy are Down syndrome, Edward syndrome, and Patau syndrome, which occur when a human has more than 46 chromosomes.
Trisomy children typically have a variety of birth anomalies, including delayed development and intellectual disabilities.
Trisomy ('three bodies') occurs when a person has three copies of one of the chromosomes rather than two. This means that they have 47 chromosomes rather than 46.
Down syndrome, for example, is caused by an extra copy of chromosome 21. (trisomy 21). Miscarriage, disease, and growth and development issues can all be caused by chromosomal abnormalities. The most common type of chromosomal abnormality is aneuploidy, which is defined as an abnormal chromosome number caused by an extra or missing chromosome.
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match the word on the left with the definition on the right
Answer:
Where??
Explanation:
Answer:
cant really match if theres nothing to match.
Explanation:
which neurotransmitter is released from the parasympathetic ganglion
Acetylcholine serves as the main neurotransmitter for both preganglionic neurons and the neurons of the parasympathetic ganglia.
The parasympathetic nervous system plays a pivotal part in a variety of physiological processes, including pupil dilation in response to light, lacrimal and salivary stashing, beat- to- beat control of heart rate, coordinated gastrointestinal motility and stashing, evacuation of the bladder and rectum, and kickback penile construction. The preganglionic parasympathetic neurons are set up either in the brainstem or in the intermediolateral cell columns at the S2- S4 parts of the holy spinal cord, and they give off labors to parasympathetic ganglia that are positioned either either outside or inside the walls of the target organ. Acetylcholine is the main neurotransmitter used by preganglionic neurons as well as neurons in the parasympathetic ganglia.
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D
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Youngest
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Oldest
Refer to the cross-section above. for each of the following pairs of rock layers identify
the relative dating law that you used to determine which bed was older and which was
younger. Circle the letter of the YOUNGER bed.
The principle of cross-cutting relationships states that any geological feature that cuts across or disrupts another feature must be younger than the feature that is disrupted.
What is relative dating inclusion law?Each succeeding layer in a series of undisturbed stratified rocks is younger than the layer below it. As a result, the youngest rocks are at the top of the sequence and the oldest rocks are at the bottom.
According to the inclusions principle, all rock fragments must be older than the parent rock if they are to be included. A clast in a sedimentary rock or a xenolith in an igneous rock, for instance, must be older than the rock that contains them.
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Does methylation cause mutation?.
Tumor suppressor genes are silenced by methylation within their promoter regions, and methylation inside the gene itself can result in mutational events. These pathways might be crucial in triggering the emergence of numerous different types of human malignancies.
DNA methylation is an inherited, enzyme-induced modification of DNA structure that doesn't change the precise arrangement of base pairs that encode the genome. DNA methylation can both indirectly suppress gene expression and raise the risk that the affected genes will experience a mutational event. Despite the fact that DNA methylation is crucial for healthy physiological functions, different and aberrant patterns of methylation are seen in malignancies. In example, there is growing evidence that methylation of the promoter regions of multiple genes, including well-known tumour suppressor genes, prevents the expression of the functional proteins that these genes code for. Therefore, DNA methylation may constitute a crucial and early phase in the process by which normal tissue transforms into malignant tissue.
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proteins provide an important dietary source of which mineral element?
Phosphorus. A mineral called phosphorus supports the health of your bones.Additionally, it keeps muscles and blood vessels functioning.Foods high in protein, including such meat, chicken, fish, nuts, beans, or dairy products, naturally contain phosphorus.
What minerals are necessary for the production of proteins?Proteins are crucial biomolecules that play a vital role in a variety of crucial and fundamental life-related processes.Nitrogen is a crucial component of amino acids and is required in the production of proteins.
What elements are found in minerals?The macrominerals calcium, silicon, magnesium, hydrogen, phosphorus, sodium, nitrogen, potassium, silicon, magnesium, oxygen, selenium, and sulphur are often needed in considerable quantities by the plant tissues.
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Fuels used in transport
Answer:
diesel and gasoline are the two main fuels used in transport and road.
Are clams male or female?.
Clams are generally unisexual, male or female, but sometimes be bisexual, having both the sexes in a single organism.
Clams are typically thought of as either male or female. However, some hermaphrodite species of clams have both male and female reproductive organs in a single person. Typically, a clam's shell form can be used to establish its sex. While female clams have rounder, wider shells, male clams have narrower, more elongated shells.
Clam is the common name for numerous bivalves, most of which are marine organisms. These mollusks are distinguished by their flattened bodies and two shells that are linked at the back and completely encase their bodies. They have two shells that are connected together, and this last attribute is closely related to their name.
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A coronal section divides an organ into superior and inferior portions. True False
False The coronal plane (frontal or Y-X plane) divides the body into dorsal and ventral (back and front) portions. It also separates the anterior and posterior portions.
What is coronal section ?Axial Plane (Transverse Plane) is a horizontal plane that separates the body's upper and lower halves. The body's midline is defined by the median plane, a sagittal plane that divides the body into its right and left halves.
The body is divided into dorsal and ventral (back and front) sections by the coronal plane (frontal or Y-X plane). Additionally, it divides the anterior and posterior parts. The body is divided into superior and inferior (head and tail) sections by the transverse plane, also known as the axial or X-Z plane.
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is the primary link between the endocrine and nervous systems.
The endocrine and nervous systems are two of the most important systems in the body, and they're nearly linked.
The primary link between the two systems is hormones, which are produced by the endocrine system and impact the nervous system. Hormones control the body's metabolic processes, development, and se-xual characteristics. The nervous system can also impact the endocrine system by releasing hormones that affect the endocrine glands and their functions.
For illustration, adrenaline, which is released by the nervous system, can spark the release of hormones that increase heart rate and blood pressure. The two systems work together to maintain homeostasis in the body and regulate vital processes similar as metabolism, reduplication, and growth.
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Sonia is riding with her mom in the car and notices an
abandoned baseball field that has a lot of grass and
wildflowers growing in it. What type of succession is she
observing? Explain your answer.
She is observing an example of secondary succession because the baseball field had some soil and some plant and animal life when it was abandoned.
Which of the following is true about secondary succession?Secondary succession happens in the opposite direction of primary succession. It begins when processes such as forest fires, hurricanes, and other natural disasters damage the existing ecosystem. Secondary succession is the colonization of a habitat that formerly supported plant and animal life but has since been abandoned owing to ecological disruption. Hurricanes and floods are examples of biological disturbances that can deplete a habitat.
Secondary Succession Examples
Fire. Fire is one of the most prevalent sources of secondary succession and an essential component of the rejuvenation and health of many ecosystems.Crop Land Harvesting, Logging, and Abandonment. Disease Renewal Gap Dynamics.
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Answer:
Sample response: She is observing an example of secondary succession because the baseball field had some soil and some plant and animal life when it was abandoned.
Explanation:) hope this helps have a great day.
brainliest would be appreciated.
the right atrioventricular valve prevents backflow of blood from the right ventricle into the __________.
Blood cannot leak back into the right atrium from the right ventricle because of the right atrioventricular valve.
What stops the left atrium from experiencing backflow?Blood flow between the left atrium and left ventricle is controlled by the mitral valve. It stops blood from returning to the left atrium after the left ventricle pumps blood to the rest of the body through the aorta.
What portion of the heart controls blood flow?Blood cannot flow backward thanks to the valves. Four valves make up the heart. Separating the right atrium and right ventricle is the tricuspid valve. Between the left atrium and left ventricle is the mitral valve.
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How does a stop codon mutation affect Ada protein from working?.
By halting translation, which results in a protein that is not functional.
The protein-coding portions of an organism's genetic material are known as its genes (DNA). They are expressed in two steps, resulting in useful products such proteins that give organisms a certain phenotype. Transcription and translation are the two steps in gene expression. The gene (DNA) is converted into an RNA molecule during transcription, and this RNA molecule is then read in a sequence of three nucleotides known as CODON during translation. Each codon is converted into an amino acid during translation. A STOP CODON, such as UUC, UUG, or UUA, marks the completion of the translation process and halts it.
Therefore, if Lucy's ADA gene expression results in the production of a stop codon due to a mutation, or change in the nucleotide sequence, the stop codon will indicate that translation has ended.
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exemplified by starlings displacing bluebirds from nesting sites
exemplified by starlings displacing bluebirds from nesting sites is called as competition. it may occur for resources such as food, water and shelter.
Ecological competition is the conflict between two organisms over the same resources in an ecosystem. Environmental resources include things like food, water, shelter, light, territory, and substrate that are necessary for surviving and procreating. Competition for mates can also occur among members of the same species. The term "inter-specific competition" refers to rivalry between members of the same species, whereas "intraspecific competition" is used to describe rivalry between members of different species. Since members of the same species share an ecological niche, their needs are essentially the same, and as a result, interspecific competition is typically more fierce than intraspecific competition. Within ecosystems, ecological rivalry helps keep the diversity of species and the organisation of communities.
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what are the roles of glycoproteins and glycolipids?
Glycoproteins carry out essential structural and metabolic tasks. Cells can determine if a different cell is familiar or alien by using a process called cell-cell recognition. They also help cells in joining and attaching to one another, a process known as cell adhesion.
The recognition of other cells and the development of tissues are both greatly aided by the presence of glycoproteins, glycolipids, and proteoglycans on cell surfaces. They identify and bind to the lectins, or carbohydrate receptors, on nearby cells, causing the contacting cells to adhere to one another and undergo intracellular reactions.
Glycolipids, which are glycoconjugates of lipids that are often present on the extracellular face of eukaryotic cellular membranes, serve to preserve the membrane's stability and promote cell-cell communication. In order for viruses and other pathogens to infiltrate cells, glycolipids can also serve as receptors.
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Does anyone know these I can’t find them ?
In the third generation, each flock's food percentages and sizes are Flock X = 10.67% 3 birds.
18 birds in flock Y, or 60%
Flock Z = 29.33% 9 birds.
given data
Total number of pieces consumed: Flock X = 32, Flock Y = 180, and Flock Z = 88.
30 birds total are present.
Determine each flock's food consumption rate as a first step.
32/300 * 100 = 10.67% is the flock X value.
Flock Y = (180/300)*100=60%
Flock Z is equal to (88/300) * 100, or 29.33%.
Determine the number of flock sizes in the third generation as a next step.
Flock X is 10.67% * 30 = 3 birds.
18 birds were found in flock Y, or 60% of the total.
Flock Z = 29.33%*30 = 9 birds.
What are flocks?Birds that fly and move in groups called flocks do so in unison.Numerous bird species can be seen in flocks that can number from a few to thousands of birds.In order to increase safety and forage for food more effectively, flocks of birds use coordinated movement and vocal communication.Flocks can form for a number of reasons, such as lowering the risk of predation, locating food, or during migration.Birds may benefit from flocks in a number of ways, including better foraging effectiveness, increased safety in numbers, and increased mobility to cover more land.Depending on the species and circumstances, a flock's precise formation and movement patterns might vary, but they frequently entail the birds aligning themselves to minimise wind resistance and increase visibility.To learn more about flocks from the given link :-
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How might the influence of the protestant reformation and the scientific revolution have contributed.
Many of the contemporary principles we hold dear today were influenced by the Protestant Reformation, including modern democracy, scepticism, capitalism, individualism, and civil rights.
The Protestant Reformation's greatest contribution to the beginning of the Enlightenment was that it caused people to begin doubting the authority and doctrines of the Catholic Church, which led them to search for answers in novel fields like science. By challenging the legitimacy of the Catholic Church, the Protestant Reformation aided in igniting the Scientific Revolution. Throughout the entirety of Europe's mediaeval age, the Church served as the sole arbiter of knowledge and maintained that all discoveries must be consistent with doctrine and dogma. Nearly all academic fields were touched by the Protestant Reformation, particularly the social sciences like economics, philosophy, and history.
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Do snails sleep for 13 years?.
No, snails don't take a 13-year nap. When in estivation or hibernation, they can slumber for up to three years.
They can sleep for up to three years at a stretch, which seems like a very long time. Once more, this is their natural instinct for survival. If the situation is not ideal, they will sleep until it is okay to go.
The majority of land snail species have an annual life span; however, some of the bigger species have been found to live up to 10 years in the wild.
Snails can spend a lot of time within their shell during severely hot or cold conditions. Although it is not often, snails will sleep for three years in some extreme circumstances where there are prolonged periods of extreme weather. If you think about it, a snail may sleep for one-third of its life.
It's vital to note that a snail can enter aestivation in addition to hibernating. In order to avoid having to hunt for food or migrate to a warmer climate, animals engage in a period of hibernation. On the other hand, aestivation is a time of protracted dormancy during hot and dry seasons.
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Correctly label the following parts of a chemical synapse.
Axon terminal
Mitochondria
Synaptic cleft
Neurotransmitter release
Receptor
Synaptic vesicles
DAR
Axon
Three components make up the chemical synapse: a postsynaptic element, a synaptic cleft, and a presynaptic element (such as an axon termination) (such as a dendritic spine).
The nerve cells act as the generator and conduit for the impulse. Dendrites take in the impulse and send it on to the cell body. The impulse leaves the cell body and travels through the axon to the nerve terminal. The subsequent neuron receives the impulse through the synaptic connection. The proper order for an impulse to pass through a neuron is from the cell body to the axon to the nerve terminal. The presence of tiny, membrane-bound organelles known as synaptic vesicles in the presynaptic terminal, however, is the distinguishing characteristic of all chemical synapses.
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A polypeptide is made from 75 amino acids.
How many peptide bonds would exist in this polypeptide?
How many water molecules were formed in this process?
What type of reaction is involved in making a polypeptide?
1. How many peptide bonds would exist in this polypeptide?
A polypeptide is made up of multiple amino acids that are linked together by peptide bonds. The number of peptide bonds in a polypeptide is one less than the number of amino acids present. So in a polypeptide made from 75 amino acids, there would be 74 peptide bonds.
2. How many water molecules were formed in this process?
The process of linking amino acids together to form a polypeptide is called a condensation reaction. In this process, one water molecule is produced for every peptide bond formed. In this case, since there are 74 peptide bonds in the polypeptide, 74 water molecules were formed.
3. What type of reaction is involved in making a polypeptide?
The process of linking amino acids together to form a polypeptide is a condensation reaction. This type of reaction involves the formation of a peptide bond between two amino acids, which is accompanied by the loss of a water molecule.
some scientists claim recent evidence suggests birds should be reclassified to share more taxonomic groups with dinosaurs. what type of evidence would provide the best support for this claim?
Recent research, according to some scientists, indicates that birds should be reclassified to share more taxonomic families with dinosaurs. The likely candidates appear to be proof that dinosaurs and birds had a shared genetic past. Option D is the right response.
Which of the following best illustrates how organisms have evolved?
Complete Resolution. The right response is Fossil. Relationships in evolution are demonstrated by fossils. Because they demonstrate that earlier life on Earth was distinct from the species present now, fossils are crucial pieces of evidence for evolution.
Which better explains why it is thought that animals are heterotrophic?
The organisms known as heterotrophs are unable to produce their own sustenance. They therefore rely on food from other living things. For sustenance, animals rely on either plants or other animals.
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early forms of stem cells are scientifically desirable due to the fact that they
Stem cells are highly desirable among scientists due to their potential for treating a variety of medical conditions and diseases.
Early forms of stem cells, such as embryonic and induced pluripotent stem cells, are particularly valuable because they are able to differentiate into any other type of cell in the body, making them extremely versatile and able to be used for a wide range of treatments.
Additionally, stem cells can be used to regenerate tissue, improve organ functionality, and even provide a renewable source of healthy cells that can be used to replace damaged or diseased cells.
With the tremendous potential of stem cells, scientists are able to explore new treatments and therapies that could one day revolutionize healthcare.
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humans share 35% of their dna with a daffodil the human genome contains 6600 million calculate the number of bases that are the same as a daffodil mark scheme
Based on the information provided, it can be concluded the number of bases that are the same as the daffodil in the human genome is 2,310,000,000.
How to calculate the number of bases humans and daffodils share?To find this, we need to find the 35% out of 6600 million, as it follows:
6,600,000,000 / 100 = 66,000,00066,000,000 x 35 = 2310000000This means that the number of bases shared by the two species is 2310000000.
How is this possible?All species that exists on Earth nowadays descend from a common ancestor, which makes it possible for species to share DNA.
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In a cross between two traits, Mendel mated a pea plant of true-breeding round, yellow seeds (RR YY) with a pea plant of true-breeding wrinkled green seeds (rr yy). What is the genotypic ratio of the F1 generation?
The genotypic ratio of the F1 generation is 1:1 when a pea plant of true breeding round, yellow seeds (RR YY) is mated with a pea plant of true-breeding wrinkled green seeds (rr yy).
The segregation of alleles for one gene does not affect the segregation of alleles for another gene during gamete development, according to Mendel's law of independent assortment. Two alleles of a single gene control the colour of seeds. The green-seed gene is recessive, whereas the yellow-seed allele is dominant. All of the F1 hybrid progeny had yellow seeds when true-breeding plants were crossed, when one parent had yellow seeds and the other had green seeds. Peas with round yellow seeds, round green seeds, wrinkled yellow seeds, and wrinkled green seeds were produced when self-pollinating F1 generation pea plants with round yellow seeds were crossed.
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For hi job, Keith earn 10% commiion on hi total ale. To pay for a trip to Top Golf, Keith need to earn $120 in commiion. What mut Keith’ ale total for the week?
For his job, Keith earns 10% commission on his total sales. To pay for a trip to Top Golf, Keith needs to earn $120 in commissions.
What is meant by commiion?
To formally choose someone to do a special piece of work, or to formally ask for a special piece of work from someone: The newspaper commissioned a series of articles on the worst excesses of the fashion industry. She's commissioned an artist to paint her portrait. Commission, also known as sales commission, is a payment given to employees based on the sales they make. Create invoices for free with SumUp Invoices. Commission is often calculated as a percentage of the value of a sale.Commission is a sum of money paid to a salesperson for every sale that he or she makes. If a salesperson is paid on commission, the amount they receive depends on the amount they sell. The salespeople work on commission only. Synonyms: fee, cut [informal], compensation, percentage More Synonyms of commission.To learn more about total earn refers to:
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A. Use a concept map to illustrate the role of
producers, consumers, and decomposers in the
transfer of energy through ecosystems.
Concept Map of role of producers, consumers and decomposers.
Producers
- Photosynthesis
- Capture energy from sunlight
- Provide energy to consumers
Consumers
- Feed on producers
- Transfer energy to decomposers
Decomposers
- Break down dead organisms
- Return energy to producers
What is the difference between a primary consumer and a secondary consumer? A primary consumer is an organism that obtains its energy by directly eating plants. Primary consumers are herbivores and are the first level in a food chain. They are also known as grazing animals, as they graze on grass and other plant life. Examples of primary consumers include rabbits, deer, sheep, and cows.Secondary consumers, on the other hand, are organisms that obtain their energy by eating primary consumers. Secondary consumers are carnivores and are the second level in a food chain. They feed on primary consumers, such as the rabbits, deer, sheep, and cows mentioned above. Examples of secondary consumers include hawks, wolves, snakes, and foxes.The main difference between primary and secondary consumers is that primary consumers obtain their energy directly from plants, while secondary consumers obtain their energy from eating primary consumers. Primary consumers are also known as herbivores, while secondary consumers are known as carnivores. Additionally, primary consumers are the first level in a food chain, while secondary consumers are the second level.To learn more about role of decomposers refer to:
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What is the main function of tRNA in relation to protein synthesis Mcq?.
A crucial part of protein synthesis is played by transfer RNA, also known as tRNA, a tiny ribonucleic acid molecule. A protein's increasing chain of amino acids is connected to the messenger RNA molecule by transfer RNA.
The protein synthesis pathway relies on tRNAs to connect the genetic code to the amino acid sequence of proteins. The D-loop, T-loop, variable loop, and anticodon loop make form the distinctive cloverleaf secondary structure of tRNAs, which are made up of 73–90 nucleotides. The T and D loops are coaxially stacked to cause the tRNA to further fold into an L-shaped tertiary structure. The cognate aminoacyl-tRNA synthetase charges tRNA with an amino acid so that it can act as a substrate for the production of proteins. The resulting aminoacyl-tRNA functions as a substrate and takes part in the chemistry of peptide bond formation during the production of proteins.
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food quality is solely dependent on the nutritional value of food.T/F
False. Food quality is not solely dependent on the nutritional value of food. Nutritional value is an important aspect of food quality, as it provides the necessary nutrients for the body to function properly.
However, other factors such as taste, texture, appearance, and safety also contribute to food quality. Food that is safe to consume, looks and tastes good and has a desirable texture is considered to have high food quality . Additionally, food nutritional value can have cultural and emotional value that also contribute to the overall perception of its quality. Therefore, food quality is a multi-faceted concept that encompasses not only nutritional value but also other aspects of food that are important for consumer satisfaction and well-being.
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the honing canine tooth is used by nonhuman primates to
Apes are well-suited to cutting and shredding food due to their refined chewing complex. They have huge, triangular-shaped upper canines that are sharp and protrude. Furthermore, the back of these two teeth are sharply angled.
The transition from proto-hominins to contemporary Homo-sapiens has followed a variety of trends. It takes millions of years for these characteristics to develop, not all at once. Generally speaking, the tendencies include the foramen magnum moving forward, canine size decreasing, and molar size increasing. There is reduction of the diastema (space between the incisors and canines), expansion of cranial capacity. The reduction in prognathism (the protrusion of the lower portion of the face), bone weakening, and a rounding of the skull.
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Find a contagious disease and describe the pathogen that causes it, describe the symptoms and how it is spread. Find out if there is a cure or treatment for the disease.
One example of a contagious disease is the flu, also known as influenza.
The flu is caused by a virus known as the influenza virus, which belongs to the Orthomyxoviridae family.
Symptoms of the flu include fever, chills, cough, sore throat, runny or stuffy nose, muscle or body aches, fatigue, and sometimes vomiting or diarrhea. Symptoms typically appear within 1-4 days after infection and can last up to a week.
The flu is primarily spread through respiratory droplets when an infected person talks, coughs, or sneezes. The virus can also be spread by touching a surface or object that has the virus on it and then touching your mouth, nose, or eyes.
There is a cure for the flu. The primary treatment for the flu is antiviral medication, which can shorten the duration of the illness and prevent severe complications. Antiviral drugs can be taken within the first 48 hours of symptoms appearing to be most effective. Vaccination is the best way to prevent the flu. Your doctor can recommend the best treatment course based on your situation.
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