cystic fibrosis is a genetic disease that leads to the production of excessive thick mucus in the respiratory tract, leading to frequent and serious respiratory infections. the defect is due to the production of a faulty membrane protein for the transport of the chloride ion. the protein is still in the membrane; it just doesn't function normally. what type of membrane protein is being affected in this case?
Answers
The type of membrane protein that is affected in cystic fibrosis is a chloride ion channel.
What is Cystic fibrosis?Cystic fibrosis is an inherited condition in which the mucus in the body becomes thick and sticky. It can cause breathing difficulties and frequent infections, among other symptoms. Because the mucus is thicker than normal, it can obstruct the ducts of the pancreas, preventing digestive enzymes from reaching the small intestine.Cystic fibrosis is an autosomal recessive genetic disorder.
This means that in order to inherit the disease, a person must inherit two copies of the mutated gene, one from each parent.
What is the cause of cystic fibrosis?Cystic fibrosis is caused by a mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. The CFTR gene provides instructions for making a protein called the cystic fibrosis transmembrane conductance regulator. This protein functions as a chloride ion channel, which helps regulate the flow of salt and fluids in and out of cells.
However, in people with cystic fibrosis, the CFTR protein is either missing or not functioning properly due to a genetic mutation. As a result, the salt and water balance is disrupted, leading to the production of thick, sticky mucus that clogs the airways, digestive tract, and other ducts in the body.
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Related Questions
Identify the characteristics of a cDNA library and a genomic library. cDNA library Genomic library Answer Bank identical between different cell types of the same organism represents mRNA content represents genomic content varies between different cell types of the same organism
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The main difference between a cDNA library and a genomic library is that a cDNA library represents the mRNA content of a cell, while a genomic library represents the genomic content.
A cDNA library is created by reverse transcribing the mRNA of a cell into complementary DNA (cDNA), which is then inserted into a vector and cloned. This results in a library that contains copies of the expressed genes in the cell. Because cDNA libraries are derived from mRNA, they are usually identical between different cell types of the same organism.
A genomic library, on the other hand, is created by digesting genomic DNA into fragments and cloning them into a vector. This results in a library that contains copies of the entire genome of the cell. Because the genomic content varies between different cell types of the same organism, a genomic library can be used to identify differences in DNA sequence between cells.
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microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes
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Microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes. The centrosome is the main microtubule-organizing center (MTOC) in most animal cells, whereas plant cells lack a typical centrosome.
The two spindle poles are the central region of a chromosome where a kinetochore is connected. Microtubules are a type of cytoskeletal protein filament that plays a crucial role in the mechanics of cell division.
Microtubules, together with actin and intermediate filaments, form the cytoskeleton, which is the structural framework of the cell. Microtubules also transport vesicles and organelles, support cell shape, and mediate cell signaling.
They are also crucial in cell division, serving as a framework for the mitotic spindle, a structure that segregates chromosomes during cell division.
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If a dog bladder cell has 100 chromosomes, how many will be in a dog egg cell?
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Answer:
78 chromosomes will be in a dog cell.
Explanation:
I searched it up and got this answer.
the lateral vessel in the forearm is the _____ artery, and the lateral vessel in the leg is the ____ artery.
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The lateral vessel in the forearm is the radial artery, and the lateral vessel in the leg is the fibular (peroneal) artery.
The forearm and leg are regions of the body that contain arteries responsible for supplying blood to the respective areas. In the forearm, the lateral vessel is known as the radial artery. The radial artery is one of the major arteries in the forearm and is located on the thumb side (lateral side) of the forearm. It runs along the radius bone and supplies blood to the forearm muscles and wrist.
In the leg, the lateral vessel is called the fibular artery, also known as the peroneal artery. The fibular artery is located on the outer side (lateral side) of the lower leg. It runs along the fibula bone and provides blood supply to the muscles and tissues of the leg, including the lateral compartment muscles.
These arteries play crucial roles in delivering oxygenated blood to the respective regions of the forearm and leg, supporting the proper functioning of the muscles and tissues in these areas.
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PLEASE HELPPPPPPPPPPP
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Answer: The grease helped the loosen the chain. This is because of increased friction, and also because a rusty and dirty chain also means a rusty and dirty gear set and drive train, and imprecise shifting.
Explanation:
Question: Why do we see similar fossils on different continents of Earth?
Answers
Answer:
Because those animals werr everywhere
Explanation:
Among the leading cause of bad air quality, which do you think is the top contributor of air pollutants?
A. Methane generated from landfills
B.Exhaust from factories and industries
C.The burning of fossil fuels
D.Agricultural Activities
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Most archaeologists believe that the __________ was one of the earliest centers of plant and animal domestication.
Answers
The answer should be Fertile Crescent.
Hope this helps!
Based on the codon chart, what amino acid chains is coded for by the mRNA sequence 5'AUGUGGGAUUUU3'?
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name a physical process that occurs more than once during meiosis answers will vary
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what effect do fibers from the micturition center in the brain have on the sympathetic neurons that control the internal urethral sphincter?
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Fibers from the micturition center in the brain have an inhibitory effect on the sympathetic neurons that control the internal urethral sphincter.
This inhibition occurs through the activation of parasympathetic neurons that release acetylcholine. Acetylcholine acts on muscarinic receptors in the internal urethral sphincter, causing it to relax and allow urine to flow out of the bladder. This process is known as the micturition reflex, and it is essential for normal urinary function.
Without proper coordination between the micturition center and sympathetic neurons, the internal urethral sphincter may remain contracted, leading to urinary retention and other complications.
Therefore, the fibers from the micturition center play a crucial role in regulating the activity of the sympathetic neurons that control the internal urethral sphincter, ensuring proper urinary function.
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A white blood cell (WBC) count is performed on a blood specimen from a newborn using a hematology analyzer that does not have the capability to detect and quantify nucleated red blood cells (NRBCs). The WBC count that is reported by the analyzer is 28.2 x 109/L, a
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The action that should be taken is that:
The person needs to count the number of cells that looks like the cells in the image attached (that is per 100 WBCs) and then they need to put together the corrected WBC count through the use of this formula.
The Total WBCs x 100 / 100+ the number of NRBCs.What does white blood cell count tell a person?A white blood count is known to be a factor that is often used to measures the rate or the number of white cells that is present in your blood.
Note that the White blood cells are a key aspect of the immune system and as such, the action that should be taken is that:
The person needs to count the number of cells that looks like the cells in the image attached (that is per 100 WBCs) and then they need to put together the corrected WBC count through the use of this formula.
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A white blood cell (WBC) count is performed on a blood specimen from a newborn using a hematology analyzer that does not have the capability to detect and quantify nucleated red blood cells (NRBCs). The WBC count that is reported by the analyzer is 28.2 x 109/L and it is flagged for a manual differential. Upon review of the blood film, more than 6 nucleated cells that resemble the cells shown in the image were identified in the 100 WBC differential. What action should be taken?
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A cell is in its life cycle. Currently, it is not in the process of cell division.
Which option describes the shape of its chromosomes?
Select one:
Loose, noodle-like.
Dense, coiled into spheres.
Dense, coiled into X shapes.
Loose, stretched out in a long single-strand spiral.
Answers
The option that describes the shape of the chromosome of a cell not in cell division is as follows: loose, stretched out in a long single-strand spiral (option D).
What is cell division?Cell division is the process by which a cell divides into two daughter cells. The process of cell division can occur mitotically or meiotically.
The cell division, whether mitosis or meiosis, is made up of the following phases:
InterphaseProphaseMetaphaseAnaphaseTelophasePhases 2 - 5 above are when the cell is undergoing division, however, phase 1 is the resting stage of the cell. It is when the DNA of the cell is still in its relaxed state. The cell's DNA is not condensed and is loosely distributed at the interphase stage.
Therefore, option D is the correct answer.
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What is this websites problem!!!!!!!!!!!!!!!!!!!!!!!!!!!! *-*
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Answer:
wow that's a big problem and that must be really confusing!!!
Relacione três aspetos da atividade vulcânica com os benefícios que, desta atividade, possam resultar para o Homem.
Answers
Answer:
Formation of land, atmosphere, water in the ocean and building materials.
Explanation:
Formation of land, atmosphere, water in the ocean and building materials are the three aspects of volcanic activity which brings benefits to human. Volcanic emissions have produced the atmosphere and the gases present in it and the water of the oceans. Volcanoes formed lands due to spreading of molten lava. Volcanic deposits occurs as a result of materials that is emitted from a volcanic eruption which can be used as a building materials.
The threshold is the smallest intensity of a stimulus that must be present for it to be detected.a. Trueb. False
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True. The threshold is the smallest intensity of a stimulus that must be present for it to be detected.
option A is the correct answer.
What is threshold of stimulus?The threshold refers to the minimum level of intensity or magnitude of a stimulus that is required for it to be detected or perceived.
This is true across various sensory modalities, including vision, hearing, touch, taste, and smell. The threshold can vary depending on a variety of factors, including the type of stimulus, the background noise or interference, the individual's sensory sensitivity, and other contextual factors.
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What type of feedback is used to
regulate body temperature?
A. positive feedback
B. negative feedback
C. neutral feedback
D. product feedback
Answers
Answer:
B
Explanation:
negative feedback is used to regulate feedback
state 3 ways that carbon can be exchanged through different aspects of earth flying colors science
Answers
Carbon enter the plants , plants eaten by animals and animals die with carbon in their system decomposed.
What is carbon and how carbon is exchanged through different aspects of earth ?See carbon enter the atmosphere as C02 and Carbon dioxide enters the plants and plants give out oxygen.Now many herbivorous animals that directly eat green plants get carbon in the plants stored inside their system.When animals , or herbivorous animals die their body on earth decompose and all the carbon inside the system goes down into the atmosphere again.Now by combustion also there is exchange of carbon between atmosphere and environment.Deforestation increases carbon amount in atmosphere subsequently.To know more about carbon visit:
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plz help I will mark you brainlist plz
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Because the particles do not dissolve completely, you can separate the different components
I don’t know how to do this. Help me please
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The DNA helicase animation shows the bacteriophage T7 helicase unwinding DNA. Which of the following are critical components of the helicase mechanism of action necessary to unwind DNA?
A. ATP binding and hydrolysis
C. oscillating loops pulling the single-stranded DNA through a central hole
D. conformational changes of subunits
Answers
Option A, What part does the helicase play in DNA replication It splits the two DNA strands by unwinding the double helix. Helicase prepares the DNA strands for replication by reaction separating and untwisting them.
The hydrogen bonds that keep the two strands of double-stranded DNA together are broken by DNA helicases. The single-stranded DNA needed as a template or reaction intermediate in DNA replication, repair, and recombination is created as a result of this energy-intensive unwinding reaction.
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Mistletoe is a green plant that can make its own food, but also derives food from the mesquite tree on which it lives. In this way mistletoe is able to steal water and valuable minerals from the tree. 1. What is the advantage and disadvantage of this relationship to each organism? 2. What would happen to the mistletoe population if mesquite trees increase in number? 3. What type of symbiosis is this?
Answers
Answer:
1. Mistletoe is parasitic to the mesquite tree, it steals from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
2. If the mistletoe population on the tree were to increase, the mistletoe would probably end up slowly killing the tree. I say this because its a parasite to the tree. Its constantly stealing water and valuable minerals that it needs and doesnt give back anything that could help the tree. With all the water and minerals being stolen and an uneven rate with no way for the tree to replenish it all quickly enough it'll die.
3. Its parasitic since the mistletoe just takes and takes harmfully
Mistletoe plant is a parasite on the mesquite tree as it takes all the valuable minerals and water from the plant and does not give anything valuable in return to the mesquite tree.
What is Mistletoe plant?
Mistletoe plant is a parasite on the mesquite tree, it steals water from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
If the mistletoe population were to increase on the tree, the mistletoe plant would probably end up killing the mesquite tree. This is because it is a parasite to the tree. It is constantly stealing water and valuable minerals from the tree which it needs and doesn't give back anything valuable that could help the tree.
It is a parasite plant since the mistletoe plant just takes all the valuable minerals and water from the tree and thus is harmful.
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What happens to the dirt and matrix from each grid? it is discarded as trash it is burned to avoid contamination of the site it is collected for further analysis it is put back in the grid after the fossils have been removed?
Answers
Collection for further analysis is the action done to the dirt and matrix from each grid.
What is a Fossil?This is the remain of plant and animal which has been preserved in the earth crust.
The dirt gotten from the matrix is usually kept for further testing and analysis in the laboratory.
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40 POINTS AND BRAINLIEST PLS HELP After hearing about an oil spill, Natalia decides to investigate how oil may affect birds in aquatic ecosystems. She gets some bird feathers. She takes the mass of one, dips it in oil, then takes its mass again. The images show the bird's feather before and after being dipped in oil.
dry feather and feather-covered in oil
The table gives the mass of the feather before and after being dipped in oil.
Before Oil After Oil
Mass 1.1 g 4.5 g
Describe how the mass and the appearance of the feather changed because of the oil. Can Natalia clean off the feather using water? Predict what will happen if Natalia dips feathers covered in oil in either cold water or in hot water.
Answers
Answer:
the increase in mass might make itself unable to fly due to the weight of the oil . the oil also exposes it's sensitive skin. they become extremely soggy when dipped in water. the water takes over the oil and restricts movement of its feather
Explanation:
pls giv me brainliest
When the feather is covered with oil, it causes an increase in the mass and makes them unable to fly. Yes, Natalia can clean off the feather using water. As she will dip the feather in water it can clean the feather but also remove the natural waterproofing.
What is an oil spill?Accidentally pouring a large amount of oil onto the large water body surface is referred to as an oil spill.
As due to this, the bird feather will get into the oil and increases its mass and the appearance as it cause them to become mat and separate.
Natalia can clean the feather using water.
When she will put the feathers covered with oil in either cold or hot water will cause the removal of natural waterproofing of the feather.
Thus, these were the consequences according to the given scenario.
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blood may normally be present in the urine because of
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Blood may normally be present in the urine because of the filtration and elimination process in the kidneys.
The kidneys are responsible for filtering waste products from the blood and producing urine. During this filtration process, small amounts of blood may enter the urine due to the intricate network of blood vessels within the kidneys. This is considered a normal occurrence as long as the amount of blood is minimal and not accompanied by other concerning symptoms such as pain or discomfort.
The presence of blood in urine, known as hematuria, can also be caused by various factors such as urinary tract infections, kidney stones, or certain medical conditions. If blood in the urine persists or is accompanied by other symptoms, it is important to consult a healthcare professional for further evaluation and diagnosis.
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------The given questions is incomplete, the complete questions is:
"blood may normally be present in the urine because of____"--------
Blood in the urine, also known as hematuria, can be caused by various factors such as urinary tract infections, kidney stones, bladder or kidney infections, trauma or injury to the urinary tract, certain medications, and certain medical conditions.
Blood in the urine, also known as hematuria, can occur due to various reasons. Some common causes include:
urinary tract infections (UTIs): Infections in the urinary tract, such as in the bladder or urethra, can cause blood in the urine. UTIs are more common in females.kidney stones: When small, hard mineral deposits form in the kidneys, they can cause bleeding and result in blood in the urine.Bladder or kidney infections: Infections in the bladder or kidneys can lead to blood in the urine. These infections are usually accompanied by other symptoms like pain or discomfort.trauma or injury to the urinary tract: Any injury or trauma to the urinary tract, such as from a fall or accident, can cause blood in the urine.Certain medications: Some medications, such as blood thinners or certain antibiotics, can cause blood in the urine as a side effect.Certain medical conditions: Conditions like kidney disease, bladder cancer, or other urinary tract disorders can result in blood in the urine.If blood is consistently present in the urine, it is important to consult a healthcare professional for further evaluation and diagnosis. They can determine the underlying cause and provide appropriate treatment if necessary.
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The burning of biomass, such as wood, is an example of:
a) active solar heating.
b) indirect use of solar energy.
c) passive solar heating.
d) using a non-renewable resource.
e) None of these
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The burning of biomass, such as wood, is an example of (b) indirect use of solar energy. It was converted from solar energy to chemical energy by the process of photosynthesis.
What is solar energy?Solar energy is radiant light and heat energy generated by the sun. Solar energy is the cleanest and most abundant and renewable energy resource available in the world. This is why people today think about using solar energy as a great preference.
Solar energy can be converted to chemical energy by the process of photosynthesis. This is the initial process in resulting the burning of biomass. The energy then will be stored as chemical energy in plant tissues or animal waste products.
Thus, the burning of biomass is an example of indirect use of solar energy. This is also known as one of the oldest fuels to human.
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One thing that is not a factor in determining critical mass is
Answers
Answer:
the age of the material
thank you
Answer:
the age of the material
Explanation:
Japanese honeysuckle is found in the United States. It outcompetes other plants by blooming early and dying off late. This is an example of
Answers
Answer:
nonnative species
Explanation:
just learned about it on Edge
What 2 types of cells are found in the vascular cylinder bore bundle?(also known as the vien)
Answers
Answer:
Cells in Xylem - tracheids and vessel members
Cells in Phloem - the sieve elements, the parenchyma cells, and the sclerenchyma cells
Explanation:
Vascular cylinder is a central column made up of vascular tissue of plant and is also surrounded by parenchymal ground tissue.
The vascular tissue is made up of xylem and phloem tissue. Xylem is made up of two cells tracheids and vessel members and Phloem is made up of three cells namely - the sieve elements, the parenchyma cells, and the sclerenchyma cells
Select the products of photosynthesis.
sunlight
nitrogen
oxygen
carbon dioxide
glucose