The most prevalent primary skeletal dysplasia in humans is achondroplasia, a rare genetic condition.
Is achondroplasia preventable in any way?Achondroplasia cannot currently be prevented because the majority of cases are the consequence of unanticipated genetic mutations. Although some children with achondroplasia may receive growth hormone therapy from their doctors, this does not have a substantial impact on the child's height. Surgery to extend legs may be considered in some very particular circumstances.
What changes occurs in achondroplasia?A single nucleotide change in the FGFR3 gene, which affects one amino acid in the FGR3 protein, is mostly responsible for all occurrences of achondroplasia. (Gly380Arg). Humans with different skeletal problems can get this gene's other mutations. Achondroplasia is one of the very few genetic illnesses that is mutation-specific.
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what is the correct order of protein production?
1) ribosome
2) endoplasmic reticulum
3) secretory vesicles
4) golgy apparatus
a) 1,2,3,4
b) 2,4,3,1
c) 1,2,4,3
d) 3,2,4,1
Answer:
The correct order of protein production is:
c) 1,2,4,3
Ribosome: Protein synthesis begins in the ribosomes, which are located either in the cytoplasm or attached to the endoplasmic reticulum.
Endoplasmic Reticulum: After the initial stages of protein synthesis in the ribosomes, the newly synthesized protein is transported into the endoplasmic reticulum (ER) for further processing and modification.
Golgi Apparatus: The proteins synthesized in the ER undergo further processing and modifications in the Golgi apparatus. This includes sorting, packaging, and modifying the proteins to their final functional forms.
Secretory Vesicles: Once the proteins are properly processed and modified in the Golgi apparatus, they are packaged into secretory vesicles. These vesicles transport the proteins to their destination, such as the plasma membrane for secretion outside the cell.
Therefore, the correct order is 1, 2, 4, 3.
Answer:
The correct order of protein production is ribosome, endoplasmic reticulum, Golgi apparatus, and secretory vesicles. So the correct answer would be c) 1,2,4,3.
Many proteins destined for the endoplasmic reticulum, the Golgi apparatus, lysosomes, the plasma membrane, and secretion from the cell are synthesized on ribosomes that are bound to the membrane of the endoplasmic reticulum. The Golgi apparatus then distributes these proteins and lipids that it receives from the ER.
What was the name of the enzyme found in the liver that help break down the hydrogen peroxide
Which object couldn't be viewed from Earth's surface without a telescope?
There are several objects in space that cannot be viewed from Earth's surface without the aid of a telescope. One such object is the planet Neptune.
Neptune is the farthest planet from the Sun in our solar system, and its distance from Earth makes it too faint and small to be seen with the eye. The use of a telescope is necessary to observe Neptune and its features. Without a telescope, Neptune would appear as a mere point of light, indistinguishable from the surrounding stars. Telescopes enable us to magnify and resolve the image of distant celestial objects, allowing us to explore and study the wonders of the universe beyond what is visible to the our eye.
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20 POINTS Which type of digital artist designs things like billboards and bumper stickers?
a
Web designer
b
Typographer
c
Sign writer
d
Book designer
Typographers are digital artists who design things like billboards and bumper stickers, hence option B is correct.
Typography is the practice of organizing type in a way that makes it legible, readable, and visually appealing when it is shown.
A bumper sticker is a paper strip with an adhesive back that may be stuck to the back bumper of a car and typically has a travel-related phrase, commercial, or joke.
Selecting fonts, point sizes, line lengths, line spacing, letter spacing, and changing the distance between letter pairs are all part of the type arrangement process.
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an image of a typical chest x-ray shows a __________ view of the thoracic region.
A typical chest X-ray provides an anterior-posterior (AP) view of the thoracic region. In this view, the X-ray beam is directed from the front of the chest towards the back, passing through the patient's body and capturing an image of the internal structures.
The purpose of a chest X-ray is to evaluate the lungs, heart, ribs, and other structures within the thoracic cavity. It can help detect various conditions such as pneumonia, lung tumors, collapsed lungs, rib fractures, and heart abnormalities.
During the X-ray procedure, the patient stands in front of the X-ray machine with their chest pressed against the image receptor. The X-ray technician positions the patient's arms out of the way and ensures proper alignment for an accurate image.
When the X-ray beam passes through the chest, different tissues and structures within the thoracic region absorb or attenuate the X-rays to varying degrees. Dense structures like bones appear white or light gray on the X-ray image because they absorb more X-rays. Air-filled structures, like the lungs, appear black or dark gray because they allow most X-rays to pass through.
The resulting chest X-ray image provides a two-dimensional representation of the thoracic structures, allowing healthcare professionals to assess the size, shape, and positioning of the lungs, heart, and other vital structures.
It serves as a valuable diagnostic tool in evaluating various respiratory and cardiovascular conditions, aiding in the diagnosis and treatment planning for patients.
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Which mutation changes the number of chromosomes in the cell
Answer: aneuploidy
A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.
F. Answer the following questions in brief.
1. Why should we use fossil fuels judicially?
3. Define the term 'fossil fuel. Give two examples.
4. How can we conserve fossil fuels?
5. What is calorific value of a fuel?
6. What are conditions required for the formation of fossil fuels?
2. Give full form of CNG. Why is it preferred over other fossil fuels?
1. fossil fuels should be used judiciously as they can be exhausted if used excessively and will take time to replenish
2. fossil fuels are fuel formed by natural processes such as decomposition of dead organisms .
3. They can be easily exhausted
4.The calorific value of a fuel is the quantity of heat produced by its combustion i.e at constant pressure and under “normal” (standard) conditions (i.e. to 0 degree C and under a pressure of 1,013 mbar).
5. COMPRESSED NATURAL GAS . CNG preferred than fossil fuel because it produce greenhouse gases upon combustion, it is a more environmentally clean alternative to other fossil fuels
Answer:
1. fossil fuels should be used judiciously as they can be exhausted if used excessively and will take time to replenish
2. fossil fuels are fuel formed by natural processes such as decomposition of dead organisms .
3. They can be easily exhausted
4.The calorific value of a fuel is the quantity of heat produced by its combustion i.e at constant pressure and under “normal” (standard) conditions (i.e. to 0 degree C and under a pressure of 1,013 mbar).
5. COMPRESSED NATURAL GAS . CNG preferred than fossil fuel because it produce greenhouse gases upon combustion, it is a more environmentally clean alternative to other fossil fuels
Explanation:
Where are the tube like structures that connect fungi cells?
Answer:
What are Hyphae
Explanation:
Hyphae are long tubular structures resembling garden hoses. ... Hyphae perform a variety of functions in fungi. They contain the cytoplasm or cell sap, including the nuclei containing genetic material. Hyphae absorb nutrients from the environment and transport them to other parts of the thallus (fungus body).
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If glucose and lactose are both abundant, would it be beneficial for e. Coli cells to express the genes that metabolize lactose? why or why not?.
No, if glucose and lactose are both abundant, it would not be beneficial for E. Coli cells express the genes that metabolize lactose because lactose is broken down into glucose.
Bacteria must first break down lactose into glucose and galactose before using glucose as an energy source. Since the first step uses energy, the overall energy gain is lower. On the other hand, if glucose is readily available, bacteria can consume it without having to expend any energy.
Therefore, the bacteria prefer to utilize glucose rather than lactose if it is directly available. Equal amounts of glucose and lactose will result in the bacteria using glucose first. They will switch to utilizing lactose once the glucose runs out.
Lactose is a disaccharide, a molecule composed of two simple sugars, a form of carbohydrate. Galactose and glucose are the two simple sugars that make up lactose.
The presence of lactose and the absence of glucose are two requirements for activating the lac operon. The repressor protein can be eliminated by lactose (through isolactose) in the environment. The catabolite activator protein, however, which is activated by 5'3' cyclic AMP, is then required.
Cyclic AMP alerts a highly diverse range of organisms to low glucose. In human cells, it serves as a low glucose signal. Additionally, it indicates famine in slime molds, which causes hundreds of individual amoebae to group together as slugs. Additionally, it triggers the CAP in bacteria, enabling the metabolism of carbohydrates other than glucose.
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Organic material in soil contain a substance called humus humus is defined as
A dark organic matter that form when plant and animal
B dark organic matter that forms from granites
C dark organic matter that froms from sand
After bacteria cells go through bionary fissions are the new cells identical to the parent t cell
Answer:Yes
Explanation:
Binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells.
Major geological and biological events of the past are used by scientists to describe the.
Scientists use historical major geological and biological events to characterise the geological time scale.
Paleontologists, archaeologists, and geologists use the fossil record to put significant occurrences and species in the right geological epoch. The geologic time scale is fundamentally based on fossils. Because these time periods are frequently identified based on the presence of animal life, the names of the majority of the aeons and eras end in zoic. Fossil remains of relatively simple organisms, like bacteria, algae, and worm-like animals, have been found in rocks formed during the Proterozoic Eon.
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what physiological events occur between presentation and the pressing of the hand switch?
Physiological events such as sensory perception, neural processing, and motor response occur between presentation and the pressing of the hand switch.
When a stimulus is presented, sensory receptors in the body detect the stimulus and convert it into electrical signals. These signals are then transmitted to the brain through sensory pathways. In the brain, the signals are processed and interpreted, allowing for the perception and recognition of the stimulus. Once the stimulus is recognized, motor commands are generated in the brain and transmitted through motor pathways to the muscles responsible for hand movement. These commands initiate muscle contractions, leading to the pressing of the hand switch.
Overall, this sequence of physiological events involves sensory input, neural processing, and motor output, enabling the individual to perceive the stimulus and respond accordingly.
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Here is an easy question with 20 points :))))
Which best explains how some animals survive in a cold and snowy habitat?
A) They find shelter.
B) They hunt at night.
C) They sleep all summer.
Answer:
heyyyyyy
Explanation:
nfxhuyhffgggvvuhgggg
I like it cur G
Fill The Blank? to use a spectroscope, position the tool to allow light to enter through the _________
To use a spectroscope, position the tool to allow light to enter through the slit. The light will reflect off the diffraction grating.
What is a spectroscope?A spectroscope may be defined as a type of laboratory instrument or device that significantly measures the spectrum of light. It dissociates the light from a single material into its component colors like the way through which a prism splits white light into different seven colors.
According to the context of this question, a spectroscope generally works on the principle through which a slit allows the white light to pass through. Once the light passes through, a diffraction grating splits the white light into different seven colors of the rainbow.
Therefore, to use a spectroscope, position the tool to allow light to enter through the slit. The light will reflect off the diffraction grating.
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Which is true about reflected light?f
Answer:
Hello, this question may be incomplete but if you ask me in the comments or post it as a completed question the I am happy to help. But look on the bright side have you checked todays date its 2/22/2022 there's a lot of 2's lol. Have a great day and if it's possible as to giving me brainliest that would make me happy. Thanks again.
Explanation: Some other great new is that I found some information on the web about this topic (Note: I said I found this on the web, so this is not written by me so credit to the author) Reflected light produces a mirror image. The amount of light reflected by an object, and how it is reflected, is highly dependent upon the degree of smoothness or texture of the surface.
Here is also an image I found that will help as well.
Thanks, one more time have a happy day!
What factor determines when an animal species will enter an ecosystem insuccession?A. Food availabilityB. PioneersC. CompetitionD. Minerals
Ecology: Ecological succession
Ecological succession is the process of change in the species present in an ecosystem over time.
There are two types of succession:
• Primary succession,, where an area that hasn't had any life before begins to be colonized, such as a new island.
,• Secondary succession,, where there is a disturbance, such as a fire, that removes the organisms living in that area.
The changes in plants depend on changes in the soil and interactions with other organisms, such as competition for light with other plants and feeding from herbivores.
On the other hand, the changes in animals depend on sources of food and predation interactions.
This means the correct answer would be A. Food availability.
The way in which relative distance from the ocean can produce significant differences in climate is termed as .
Answer:
Continentality
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The Earth's biodiversity is determined by the variety of all living organisms on Earth. In recent years, ecologists and other scientists have encouraged the preservation of global biodiversity through the protection and management of natural ecosystems. Preserving the biodiversity of the Earth is important because
Answer-:
Preserving the biodiversity of Earth is important because biodiversity increases the efficiency of ecosystems where every species, no matter how small, has an important role to play. A greater number of species of plants means a larger range of crops. Greater diversity of organisms guarantees ecological survival for all lifeforms
Explanation:
REASONS WHY PRESERVATION OF THE EARTH'S BIODIVERSITY IS IMPORTANT-
ECOSYSTEM PRODUCTIVITY - One of the key reasons we should continue to concentrate on biodiversity protection is that it helps to improve the efficiency of the ecosystem. Naturally, a properly working ecosystem would be more immune to extreme environmental factors, such as climate change.HEALTH DETECTIONS -The vast number of medical advances waiting to be made is one of the most significant reasons why we should continue working on saving biodiversity. To develop new cancer therapies and more, scientists use observations of plants , animals, and even microbes. As a matter of fact, all human drugs must first be tested before being tested on humans in laboratory animals. This is essential for determining their toxicity, dosing, as well as effectiveness. In some of the most remote sections of the planet, many of the animals used in these discoveries are also included. Recreation and Natural Beauty - The value of natural beauty is another great explanation why we should continue focusing on protecting biodiversity. There are several historical sites around the country that need to be preserved to maintain their status for future generations to enjoy, such as the redwood forest. These trees regularly have a lifespan of 600 years in the case of the redwoods. Some are as old as 2,000, too. Their growth is extremely sluggish, however. Wild and natural environments provide ways to get away from urban environments. In addition, people can enjoy outdoor activities such as bird watching, canoeing, hiking, and photography of nature. The Ecosystem 'Survival - With a few exceptions, to survive, each species on Earth relies on the services of other species. This partnership is part of the idea of what an ecosystem is. The relationship between soil, plants , and bacteria is a pertinent example. This is known as the period of nitrogen. Other examples which are important include -: Animal waste which nourishes the soil, Crops also produce straw, which is an animal food source, As natural nitrogen fixers, algae represent and Aerate the soil with rats.Economic Benefits -: Many advantages have been provided to humans through biodiversity, and many come in the form of products. These products are extracted and sold, and everything from crops to medicines is included.Hence, preservation of the biodiversity of Earth is important from all aspects of life.
What Latin word related to clouds means “rain”
Answer:
nimbus
Explanation:
he called this cloud, 'Nimbus', the Latin word for rain. the vast majority of precipitation occurs from nimbo-form clouds and therefore these clouds have the greatest vertical height.
Which of the following pairs of structures are homologous?
A. The hind leg of a grasshopper; the hind leg of a kangaroo.
B. The wing of a bird; the wing of a bat.
C. The eye of a mammal; the eye of a fish.
D. The hind leg of a horse; the leg of a human.
Identify the organelle pictured to the right and include 3 things it does for the cell
Answer:
Golgi body aka Golgi apparatus
Explanation:
The golgi body processes and packages macromolecules (proteins, lipids). It processes simple molecules and combines then to produce more complex ones.
The organelle can then package those molecules in vesicles to be transported around the cell or it can store them.
It also produces lysosomes (contains digestive enzymes that break down old or worn out cells).
An allele L has a frequency of 60% in a population, while V, another allele at the same locus, has a frequency of 40% in the population. True or False
The statement "An allele L has a frequency of 60% in a population, while V, another allele at the same locus, has a frequency of 40% in the population" is True.
The percentage of a given allele within a population's gene pool is referred to as allele frequency. In this population, allele L makes up 60% of the copies of the gene, whereas allele V makes up 40% of copies.
In a population with stable, random mating, the relationship between allele and genotype frequencies is described by the Hardy-Weinberg equilibrium principle.
Numerous fields of genetics research, such as investigations into the risk of hereditary diseases, gene-environment interactions, and population genetics, can benefit from understanding allele frequencies.
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1.scientist solve problem in an organised way called ________
2.amoeba move or feed with ________
3.nucleus was first discovered by ________
4. creation of the something new called _______
5. longest cell is________
Answer:
1. Scientific method
2. pseudopods
3. In 1909, Ernest Rutherford’s
4. innovation
5. nerve cell
the reason ions such as na , k , and ca2 diffuse accross plasma membranes more readilt than would be expected across a lipid membrane is
The reason ions such as Na⁺, K⁺, and Ca²⁺ diffuse across plasma membranes more readily than would be expected across a lipid membrane is due to proteins embedded within the membrane. These proteins form channels and pores in the membrane, allowing the ions to pass through much more easily than they would otherwise. This is referred to as facilitated diffusion.
The proteins within the membrane can be selective, allowing certain ions to pass while blocking others. For example, Na+ channels are highly permeable to Na⁺ but are impermeable to other ions such as K⁺ or Ca²⁺. This allows Na⁺ to pass more easily through the membrane than other ions and therefore is more readily diffused. The embedded proteins in the membrane are what make facilitated diffusion possible, allowing ions such as Na⁺, K⁺, and Ca²⁺ to diffuse across the membrane more readily than would be expected across a lipid membrane.
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Native plants in southern California are naturally adapted to deal with fire. a. True for all native plants b. False for all native plants c. True but for only some native plants
Native plants in southern California are true but for only some native plants.(option c)
The statement "Native plants in southern California are naturally adapted to deal with fire" is true, but it applies to only some native plants rather than all of them. Fire has been a natural part of the ecology in California for centuries, and certain plant species have evolved specific adaptations to survive and even thrive in fire-prone environments. These plants are known as "fire-adapted" or "fire-resistant" species.
Some native plants in southern California have developed strategies to cope with fire. For example, some species have thick, fire-resistant bark that protects the main stem from heat and flames. Others have deep root systems that allow them to access water sources even during droughts or after fires. Some plants produce seeds that require heat or smoke to germinate, which means they rely on fire to trigger the next generation of growth. These adaptations enable these plant species to recover and regenerate after fires, and in some cases, fire can even stimulate their growth.
However, it's important to note that not all native plants in southern California possess these fire-adapted traits. The region is home to a diverse array of plant species, each with its own set of adaptations to different environmental conditions. While fire may be a natural occurrence in this region, not all native plants have evolved the same level of resilience to fire.
Therefore, it is incorrect to assume that all native plants in southern California are naturally adapted to deal with fire.
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19. What would be the consequence of a mutation in the gene that encodes sigma factor for bacterial transcription?
a. The initiation of transcription may begin at random points of the DNA template.
b. The RNA polymerase may not be released from the DNA template.
c. Transcription may be delayed indefinitely, which may kill the cell.
d. The RNA transcript may not be able to dissociate from the DNA template.
e. The transcription may end prematurely, resulting in shorter mRNA transcript.
21. In prokaryotes, a rho-independent transcription terminator includes
a. inverted repeats that when transcribed fold into a hairpin.
b. a string of 7–9 U’s in the DNA template.
c. a region in the RNA molecule that causes RNA polymerase to pause. d. All of the above.
e. Both a and c.
23. What is the function of general transcription factors?
a. They are DNA sequences to which RNA polymerase binds.
b. They direct nucleosome assembly.
c. They bind to regulatory promoters to increase the rate of transcription. d. They bind to enhancers to allow minimal levels of transcription.
e. They are a part of the basal transcription apparatus.
24. In eukaryotes, what initially binds to the TATA box on the DNA template?
a. sigma factor
b. TFIID
c. RNA polymerase
d. mediator
A mutation in the gene that encodes sigma factor for bacterial transcription would lead to the initiation of transcription at random points on the DNA template. TFIID initially binds to the TATA box on the DNA template in eukaryotes.
19. The consequence of a mutation in the gene that encodes sigma factor for bacterial transcription would be that the initiation of transcription may begin at random points of the DNA template, resulting in improper regulation of gene expression and potentially dysfunctional proteins.
21. In prokaryotes, a rho-independent transcription terminator includes inverted repeats that, when transcribed, fold into a hairpin structure. This hairpin structure causes the RNA polymerase to pause and subsequently dissociate from the DNA template, leading to the termination of transcription.
23. The function of general transcription factors in eukaryotes is to bind to regulatory promoters and enhance the rate of transcription. They assist in the assembly of the basal transcription apparatus and facilitate the binding of RNA polymerase to the promoter region.
24. In eukaryotes, TFIID initially binds to the TATA box on the DNA template. TFIID is a complex of proteins that recognizes the TATA box sequence and recruits other transcription factors and RNA polymerase to initiate transcription.
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HELP ME PLEASE I HAVE TO TURN IT IN NOWW !!! Pleaseee
Answer:
I think, (Not 100% sure, but i think its H
Explanation:
The recombination frequency between three genes A, B, and C located on the same chromosome is obtained as follows:
A and C – 28%
A and B – 18%
B and C – 10%
Based on the result, which two genes are closest to each other
The recombination frequency between three genes A, B, and C located on the same chromosome is obtained as follows: A and C – 28%, A and B – 18%, and B and C – 10%. Therefore, based on the recombination frequencies given, the two genes that are closest to each other are A and B.
Based on the results, the two genes that are closest to each other are A and B. Here’s why:
Recombination frequency is a measure of the likelihood of two genes crossing over together during meiosis. The closer two genes are on a chromosome, the less likely they are to be separated during recombination. The farther apart they are, the more likely they are to be separated.
To determine which two genes are closest to each other based on the recombination frequencies given, we need to look at the percentages. The highest percentage represents the genes that are closest together, while the lowest percentage represents the genes that are farthest apart.
In this case, the highest percentage is 28% for A and C. This means that A and C are the farthest apart on the chromosome. The lowest percentage is 10% for B and C, which means that B and C are the farthest apart on the chromosome. That leaves us with 18% for A and B. This percentage is higher than the percentage for B and C, so A and B are closer together than B and C.
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What are the links between the environment and Covid-19? Choose all correct answers.
A. with the destruction of ecosystems the natural barriers between host animals is reduced
B. We destroy ecosytems creating channels for viruses to pass to humans
C. a decrease in human population is decreasing resource use including wild animals
D. destruction of biodiversity
E. an increase in forest ecosystems
F. deforestation
The correct answers that describe the links between the environment and Covid-19 are options A. With the destruction of ecosystems, the natural barriers between host animals are reduced, B. We destroy ecosystems, creating channels for viruses to pass to humans, D. Destruction of biodiversity, F. Deforestation.
With the destruction of ecosystems, the natural barriers between host animals are reduced: The destruction of ecosystems, such as deforestation or habitat loss, can lead to increased contact between humans and wildlife. This close proximity increases the chances of zoonotic diseases, like Covid-19, transferring from animals to humans.
We destroy ecosystems, creating channels for viruses to pass to humans: Human activities that involve destroying natural habitats, encroaching upon wildlife, or engaging in the illegal wildlife trade create opportunities for viruses to jump species barriers and infect humans. Encroachment into natural areas can disrupt the balance of ecosystems, bringing humans in contact with new pathogens.
Destruction of biodiversity: Biodiversity plays a crucial role in maintaining healthy ecosystems and acting as a buffer against disease outbreaks. When biodiversity is reduced, ecosystems become more vulnerable, and the spread of diseases can be intensified.
Deforestation: Deforestation, the clearing of forests at a large scale, can disrupt ecosystems, displace wildlife, and increase the likelihood of contact between humans and potential disease-carrying animals. It can also lead to changes in local climate patterns, which may indirectly influence the spread of diseases.
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