A neuron releases neurotransmitter into the synaptic cleft, a 20–40 nm gap between both the presynaptic axon terminal as well as the postsynaptic dendrite, when an action potential hits the presynaptic terminal (often a spine).
By attaching to receptors, neurotransmitters are able to connect with postsynaptic neurons. An action potential is fired by the presynaptic neuron and moves along the axon until it reaches the terminal. Depolarization here results in greater calcium permeability. A neurotransmitter, which is released by the presynaptic (i.e., sending) neuron, binds to a receptor situated on the surface of the postsynaptic (i.e., receiving) neuron. Presynaptic terminals, which might also branch to interact with a number of postsynaptic neurons, release neurotransmitters. Neurotransmitters that have been released into the synaptic cleft interact to receptor proteins just on postsynaptic cell's membrane, causing the membrane's ionic channels either to open or close. Another action potential starts whenever these channels open, which causes depolarization
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Suppose a diploid cell with three pairs of homologous chromosomes (2n = 6) enters meiosis.How many chromosomes will the resulting gametes have in each of the following cases?Drag one label into each space at the right of the table. Labels can be used once, more than once, or not at all.1. 3 only2. 2 or 43. 0 or 64. 2, 3, or 45. 0, 3, or 6
Correct answer is (1) 3 only.
'What are homologous chromosomes?'
Homologous Chromosomes are made up of chromosomal pairs that are the same length and have the same centromere locations for genes located at the same locus. Usually, one chromosome comes from the father and the other from the mother. As a result, distinct phenotypes for a same gene are produced when their alleles are different.
The homologous chromosomes that make up the 22 pairs of autosomes in humans. According on the individual's sex, the 23rd pair's homogeneity varies. When compared to males, females have XX homologous chromosomes (non-homologous). Among a homologous chromosome's fundamental components are: Short arm p, long arm q, kinetochore or centromere
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Answer:
b
Explanation:
Bonjour comment naissent les iguanes?
Answer: les femelles pondent environ 20 à 70 œufs par an une fois qu'elles atteignent la maturité sexuelle. Lorsque 65 jours se sont écoulés après l'accouplement, l'iguane femelle déposera des œufs pâles et de couleur crème dans des terriers qu'elle construit. Dans les 90 à 120 jours, les œufs éclosent et de jeunes iguanes émergent.
Explanation: j'espérais pouvoir aider
which is the first stage of gene cohen's theory of mid- to late-life creativity? group of answer choices the reevaluation stage the liberation stage the summing-up stage the encore stage
The reevaluation stage is the first stage of gene cohen's theory of mid- to late-life creativity.
What is gene Cohen's theory?Gene Cohen's theory of mid- to late-life creativity is basically Using middle age as a starting point as the name suggests( mid- to late-life creativity), Gene Cohen's theory of human potential phases presented a detailed framework for late-life growth based on emerging characteristics like wisdom and creativity.
American psychiatrist Gene D. Cohen was a pioneer in the field of geriatric mental health studies. He was the National Institute of Mental Health's first director of the Center on Aging.
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chargaff Similarly, there is just as much ___________________ as there is _____________________
Answer:
yes the average for A approximately equals the average for T , and the average for G approximately equals the average for C
The process of recording an x-ray of blood vessels is called: _______
The process of recording an X-ray of the blood vessels is termed as angiography.
Blood vessels are the hollow tube-like structures that function to transport blood and other dissolved solutes to the whole body. There are three types of blood vessels: artery, veins and capillary. The artery carries blood away from the heart while the veins carry blood to the heart. Capillaries are present in order to mediate the exchange of blood at the target site.
Angiography is a specialized form of X-ray of the blood vessels and the obtained image in termed as an angiogram. Specialized dyes are used in the process in order to visualize the X-ray efficiently.
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The skeletal system, circulatory system, nervous system and digestive system work completely independently of one another. T/F?
Answer:
False
Explanation:
To keep the body's general health and functionality, all of these systems cooperate. The skeletal system supports the body and safeguards the key organs. The circulatory system transports nutrition and oxygen to the body's cells as well as waste materials. The body's reaction to internal and external stimuli is managed and coordinated by the neurological system. The circulatory system transfers these nutrients to the body's cells after the digestive system digests and assimilates meals.
Even while each system does have its own unique duties and tasks, they are all interrelated and dependent on one another in order to operate effectively. They collaborate to preserve the body's general health and functionality.
Which of the following can be concluded from Gregor Mendel's experiments with pea plants?a. for a given trait, two heterozygous parents produce offspring with three possible phenotypesb. two recessive alleles are necessary for a recessive phenotypec. allelic combinations for different genes may differ between parents and their offspringd. offspring inherit two alleles per gene from each parent
The conclusion of Gregor Mendel's experiment was: (c) allelic combinations for different genes may differ between parents and their offspring.
Mendel was an Austrian biologist as well as mathematician. He is known for his experiments that laid the foundation of the inheritance biology. He conducted several experiments on garden pea and deduced three laws: Law of dominance, law of segregation, and law of independent assortment.
Genes are the most basic unit of inheritance. The genes carry the information for several characteristics of the body. Genes are small segments of the double stranded DNA that encode the information for protein synthesis.
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Which of the following describes a Mendelian trait?
OA. Many genes control the ultimate height of a human.
O B. Three different alleles control one aspect of human blood type
C. Humans have either straight thumbs or curved thumbs.
OD. Human
D. Human eye color ranges from almost black to very light blue.
Answer:
C. Humans have either straight thumbs or curved thumbs.
Explanation:
Mendelian genetics is sort of black or white business (one or the other, and not really a spectrum which is why it can't account for incomplete dominance or codominance). So if straight thumb is dominant trait and curved thumb is recessive, that's how it will be seen in population.
The game contains two games with simultaneous moves. o One of the two games with simultaneous moves have two Nash equilibria in pure strategies. o The other game with simultaneous moves has only one Nash equilibrium in pure strategies. randomly selected
An extensive-form game can contain a part that could be considered a smaller game in itself; such a smaller game that is embedded in a larger game is called a subgame.
A main property of backward induction is that, when restricted to a subgame of the game, the equilibrium computed using backward induction remains an equilibrium (computed again via backward induction) of the subgame. Subgame perfection generalizes this notion to general dynamic games.
As in backward induction, when there are multiple equilibria in the picked subgame, one can choose any of the Nash equilibrium, including one in a mixed strategy.
Every choice of equilibrium leads to a different subgame-perfect Nash equilibrium in the original game. By varying the Nash equilibrium for the subgames at hand, one can compute all subgame perfect Nash equilibria.
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For the first few years, the triazine works well and almost all the pigweed dies; but after several years, the farmer sees more and more pigweed. Which of these explanations best describes this observation?
This observation can be explained by the evolution of resistance in the pigweed population. When a herbicide, such as a triazine, is used repeatedly over time, a small proportion of the weed population may have genetic variations that allow them to survive the herbicide treatment.
These survivors then reproduce and pass on their resistant genes to their offspring. Over time, the proportion of resistant individuals in the population increases, leading to a decrease in the effectiveness of the herbicide.
This process is known as "herbicide resistance evolution." This can also happen when there is an overreliance on a single herbicide and a lack of diversity in the herbicide rotation strategy, leading to higher selection pressure on the same weed population and increasing the chances of resistance evolution.
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cells were isolated from another cancerous tumor, and it was found that the dna coding for ets1 in these cancer cells was heavily methylated. how would you expect that to affect the ets1 found in these cells?
Cells were isolated from another cancerous tumor, and it was found that the DNA coding for ets1 in these cancer cells was heavily methylated. Yes, it would expect that to affect the ets1 found in these cells.
Methylation of DNA is a process by which methyl groups are added to the cytosine bases of DNA, typically in the context of CpG dinucleotides. When a cytosine base is methylated, it can affect the activity of genes by altering the ability of transcription factors to bind to the DNA, or by recruiting proteins that can change the chromatin structure and make the gene inaccessible to the transcription machinery. If the DNA coding for ets1 in these cancer cells is heavily methylated, it would likely result in decreased expression of the ETS1 protein. This is because methylation of CpG islands in the promoter regions of genes is often associated with repression of gene expression. So, in this case, the heavy methylation of ets1 gene would decrease the binding of the transcription factors to the promoter region and thus decrease the expression of ETS1 protein in these cancer cells. ETS1 is a transcription factor that regulates the expression of a variety of genes involved in cell proliferation, invasion, and angiogenesis. The reduced expression of ETS1 in cancer cells due to heavy methylation of its gene may lead to a decrease in the ability of these cells to grow and spread, which could have important implications for the treatment of the cancer.
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What are the two main types of interactions that are studied in order to understand and solve environmental problems?
The two primary interactions that environmental scientists investigate are how we use natural resources and how human activities impact the environment.
An ecological community is a collection of populations of at least two distinct species that interact both directly and indirectly in a given geographic area, and within which organisms exist. Many characteristics and functions of ecosystems, like nutrient cycling and food webs, are based on interactions between species. Depending on the evolutionary setting and surrounding circumstances, these interactions can have a variety of different types. Because of this, the scale and context of ecological interactions between particular creatures and entire species can make them difficult to define and quantify. However, there are various classes of interactions between species that are present in a wide range of habitats and ecosystems.
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which biome is described here? low, low rainfall, scattered and well defended vegetation, and nocturnal animals.
Answer:
The biome described here is likely a desert biome. Deserts are characterized by low rainfall, scattered and well defended vegetation, and nocturnal animals that are adapted to survive the extreme conditions.
the most reliable method for determining the appropriate dosage of rh immune globulin to give to an identified rh immune globulin candidate after delivery is:
The most reliable method for determining the appropriate dosage of rh immune globulin to give to an identified rh immune globulin candidate after delivery is flow cytometry.
What are immunoglobulinsImmunoglobulin is another name for antibodies. This protein, which has a vital role in the immune system, is produced by plasma cells and lymphocytes.
Antibodies work to protect your body by attaching themselves to bacteria, viruses, or allergens, before destroying them. However, in people with certain conditions, immunoglobulin can attack and damage healthy organs and tissues, thus triggering the emergence of autoimmune diseases.
Types of antibodiesThe body produces various types of immunoglobulins to protect you from disease. Each type of antibody has its own role and place in your body.
The following are several types of immunoglobulins produced by the body to support the work of the immune system:
1. Immunoglobulin A (IgA)
You can find this type of antibody in the stomach, intestines, mucous membranes of the lungs, and sinuses. Not only that, IgA can also be found in fluids produced by the body, including breast milk, blood, tears and saliva.
2. Immunoglobulin G (IgG)
IgG is a type of antibody that is commonly found in body fluids and blood. Immunoglobulin G protects your body from infection by remembering viruses and bacteria it has encountered before.
When the same virus or bacteria is about to infect the body, these antibodies will immediately attack to protect you.
3. Immunoglobulin M (IgM)
This type of immunoglobulin is produced when your body is exposed to a new bacterial and viral infection for the first time. IgM is the body's first line of defense against infection.
When the body feels an attack by bacteria and viruses, the level of IgM in the body will increase in a short time. Immunoglobulin M levels will slowly decrease when IgG arrives to provide long-term help and protection.
4. Immunoglobulin E (IgE)
This type of antibody is produced when the body overreacts to harmless substances such as pollen or animal dander (allergy). IgE can be found in the blood in very small amounts.
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many scientific words such as matter also have every day meaning use context clues to write your own definition for each meaning of the word matter
Answer: Matter in chemistry can mean any substance that takes up space and volume. In everyday language, it can mean issues and importance.
Explanation:
The matter is any substance that takes up space and volume. This definition is often used in chemistry and forms the foundation of all materials. However, the word matter is often used differently in everyday contexts. We find our friends and family asking 'What's the matter with you?'. It means " What is the issue with you?'. It is interesting to note the difference from the definition used in chemistry. Additionally, people also use the word matter to describe the importance of something. For instance, this doesn't matter usually indicates that it doesn't carry any importance.
if thier first two children have normal pigmentaiotn, what is the probiablity that their third child will be an
If both parents carry the albinism gene but are not albinos, there is a 25% chance that each pregnancy will result in an albinistic child. The likelihood of producing a albino baby in the following two pregnancies is therefore also 25%.
What is the likelihood that they will have a third child?According to the National Organization for Rare Disorders, the incidence of albinism in the United States is estimated to be 1 in 17,000 to 20,000.The probability that a third child will have albinism depends on several factors, including the family history of the parents, the ethnic background of the parents, and any genetic testing that may have been done.If both the parents have normal pigmentation and there is no family history of albinism, then the probability of the third child having albinism is about 1 in 20,000.However, if either parent has a family history of albinism or if the parents are from an ethnic background with a higher prevalence of albinism, then the probability increases.Additionally, if genetic testing has been done to determine if either parent is a carrier of the gene for albinism, then the probability can be calculated more accurately.All in all, the probability of a third child having albinism can vary greatly depending on the specific factors mentioned above.To learn more about the law of independent assortment refer to:
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The complete question isif thier first two children have normal pigmentaiotn, what is the probiablity that their third child will be an albino? Will the next 2 be an albino?
if an area of your body is particularly sensitive, what can you conclude about that area?
If an area of our body is very sensitive this means that particular area has more nerve endings.
Nervous system helps in the control and coordination of our body.Nervous system has two main divisions: Central Nervous system (CNS)and Peripheral Nervous system(PNS).CNS includes Brain and Spinal cord and PNS includes Nerves and Receptors.
Nerve is a bundle of fibers in peripheral nervous system,Neuron are the structural and functional unit of the nervous system.Nerve endings are the regions present at axonal tip of neuron, It will form a connection with adjacent neuron by synapse.Synapse is a gap between two neurons.Certain chemical messengers called neurotransmitters are secreted at synapse. It will increase the speed and give direction for transmission of impulse.Receptors of various senses like touch, pain, heat, cold etc...are present at nerve endings and they send messages to Brain.
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The chief advantage of learning over natural selection as a means of adapting to change is that learning
Learning has a major advantage over natural selection for adjusting to change because that learning is faster.
When certain genotypes respond to environmental stimuli by producing more offspring than others, this process is known as natural selection. From generation to generation, there is a non-random shift in allele frequencies. In On the Origin of Species by Natural Selection (1859), Charles Darwin outlined four prerequisites for evolution through natural selection:
1. The trait being selected for in the population must have more than one variant, or allele, in the gene that codes for it.
2. The trait under evaluation must be inherited and be encoded by a gene or genes.
3. the fight for survival, in which many more springs are formed than can endure in the environment.
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Creating a Presentation
In this task, you’ll use presentation software to create a presentation of 15 to 20 slides that critique the proposed reforestation plan.
One slide should present the deforestation grids you created in Task 1
One slide should show the grids of the proposed restoration plan
One or two slides should include credible references
The remaining slides should answer the following questions:
Why is the protection of this particular forest important?
What are the strengths and weaknesses of the reforestation plan?
Do new trees provide the same resources for animals in the forest as adult trees do?
What are two or three alternate solutions to the problem? (Note: Your solutions can be modifications of the current reforestation plan, but consider the pros and consequences of changing the current plan.)
What tools, equipment, and engineering resources will be needed for these solutions?
What are the pros and cons of these solutions?
Time to complete: 2.5 to 3 hours
Part A: Organize Your Information
After you’ve gathered your research and answered all your questions, create an outline in the answer space. Use the outline to organize your presentation in whatever way you think is best. Following these guidelines for writing a five-paragraph essay may help you structure your outline. Make sure your outline includes a works cited screen at the end to document the authors and websites you consulted.
Part B: Select Audio and Video
An audio-visual presentation uses both pictures and words to present information. Follow these tips as you build your presentation:
Limit text: Insert key words or phrases highlighting your points instead of typing your entire speech on the slide.
When possible, use pictures instead of words: Use representative figures such as pictures, graphs, and charts to convey information or evidence rather than huge blocks of text.
Fill in the speaker’s notes: Presentation software includes a notes section where you can add speaker’s notes for your own reference. In this section, you can cover all the details you want to talk without showing them on your slides. Your speaker’s notes should be clear and coherent enough so that someone else could deliver the presentation to an audience. You must complete your speaker’s notes to get full credit for the assignment.
Identify two to three audio, video, or photo resources that you wish to use in your presentation. Use the Insert Image button to add any images you selected.
Part C: Create and Deliver Your Presentation
Use your outline and the materials you’ve collected to create your presentation. It should contain 15 to 20 slides. Be sure to proofread and revise to catch any errors in grammar, spelling, logic, or cohesion. Remember that you must add speaker’s notes as well as a works cited page at the end to credit your sources.
Follow your teacher’s instructions for delivering your presentation. Your teacher may ask you to record the presentation in the presentation software or present it to a live audience. Be sure to rehearse your presentation before you present or record it.
Make sure you complete the presentation within the time allotted. Speak audibly and clearly. Maintain eye contact with your audience or the camera throughout the presentation.
Submit your presentation to your teacher along with this activity.
1. The protection of forest is important to preserve resources.
2. The advantage of reforestation is that it preserves species native to the area and the disadvantage is that it can lead to a reduction in biodiversity.
3. New trees don't provide the same resources for animals in the forest as adult trees do.
What is reforestation?Reforestation can lead to a decrease in biodiversity, increased soil erosion, and a loss of water resources if it is done improperly
They protect us from erosion, clean the water we drink, and serve as a critical barrier against climate change. A large portion of the world's diverse array of plants and animals can be found in forests, which also provide essential natural resources like food, medicine, and timber.
Newly planted trees are unable to support habitats for wildlife, endangered species, or biodiversity. An existing forest, however, is already full of sturdy, old trees that can absorb much more carbon; all they require is protection from logging.
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distinguish between the following processes in the kidney: filtration, reabsorption, secretion, excretion
Filtration, reabsorption, and secretion are three mechanisms involved in the formation of urine which occur in the nephrons of kidneys.
The urinary bladder stores urine, a yellowish liquid waste, which is then expelled to the outside through the urethra. The production and elimination of urine contribute to the control of blood pressure, blood volume, blood osmolarity, blood pH, and body fluid balance.
Filtration occurs in the renal corpuscle where blood plasma components are forced through the glomerular filtration membrane which results in the formation of filtrate in the Bowman's space. As the filtrate flows through the renal tubule, water, and essential solutes are returned into the blood through the process of reabsorption while excess ions and metabolic wastes are excreted into the urine through the process of secretion.
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what strength lens, in diopters, is needed to bring his near point to 25 cm?
The strength lens needed to bring his near point to 25cm is 2.18 diopters.
What is strength of lens?The strength of a lens is determined by lens material and angle of the curve that is ground into the lens. Lens strength is expressed in diopters (D), which indicates how much the light is bent.
For a farsighted person with near point (v) = 55 cm rather than normal object distance of u = 25 cm.
Using Lens formula:
1/f= 1/u +1/v
Here, f = focal length ; v = image distance and u = object distance
As the image must be on same side of the lens, then the image distance must be negative.
Hence, 1/f= 1/25 + 1/-55
1/f= 0.0218 cm
f = 45.8 cm
So, f = 0.458m
Dioptic power is inverse of the focal length strength; D= 1/f
=1/0.458
D = 2.18 diopters.
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Note: The question given on the portal is not complete. Here is the complete question.
Question: A farsighted person has a near point of 55 cm rather than the normal 25 cm . Part A What strength lens, in diopters, should be prescribed to correct this vision problem
how many units of energy would there need to be in the first trophic level to end up with 1000 units
One million energy units would there need to be in the first trophic level to end up with 1000 units.
This is because only about 10% of the energy is transferred to the following trophic level. The remaining energy is released as heat energy during respiration, one of several ways it leaves the food chain. Life processes make use of it (eg movement)Energy is lost as metabolic heat when an organism from one trophic level is consumed by an organism from the next level, which causes energy to diminish as it goes up the trophic levels. The efficiency of energy transfer between trophic levels is measured by a term called trophic level transfer efficiency (TLTE).
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According to the Bohr model of the atom, decribe how an electron can get to an excited tate. Alo, decribe what happen when an electron tranition to an energy level cloer to the nucleu
The excited electron transition to an energy level nearer the nucleus is achievable in the Standard model of the atom's electron. Electrons in an atom spin from around positively charged nucleus.
How do electrons work?A negatively charged particle known as an electron can either be free or attached to an atom. One of the three main types of particles inside an atom, along with protons and neutrons, is an electron that is linked to the atom. The nucleus of an atom is made up of electrons, protons, and neutrons together.
Anatomy of a nucleus?Whenever you glance at a photograph of a cell, one of the parts that stands out the most is the nucleus. The nucleus is located in the centre of the cell .
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which statement describes the term ilium? a. the ilium is the longest portion of the small intestine. b. the ilium is part of the hip bone. c. the ilium is a groove or crack-like sore of the skin. d. the ilium is an abnormal passage.
The ilium, also known as iliolumbar syndrome, is a condition that results from a tear with in iliolumbar ligament and is described by the fact that it is a component of the hip bone.
What is The definition of ilium and its purposeThe mature hip bone is formed by joining this fan-shaped bone with the ischium and pubis 1 The ilium, which is a component of the structure that guarantees the spine is maintained when the body is upright, performs a weight-bearing function.
When does your ilium ache signify what?Cancer, inflammation, fractures, trauma, and injuries to any tendons, muscles, including ligaments that join to the ilium are all direct causes for ilium discomfort. Scapholunate joint instability & low back discs injuries are two examples of referred sources.
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four genes (a, b, c, and d) are located on the same chromosome. the recombination frequencies for the genes are found to be:
7%.is the frequencies for the genes are found.
What is genes?The basic unit of heredity passed from parent to child. Genes are made up of sequences of DNA and are arranged, one after another, at specific locations on chromosomes in the nucleus of cells.
The recombinant progeny might occur due to the exchange of genetic material between non sister chromatids known as crossing over during the meiosis.
The chromosome sequence is DABC. A and B distance is 4 map units, B and C is 2 map units, B and D is 5 map units. The distance between A and D is 1 map unit that can be calculated by subtracting the distance between BD and AB ( 5-4). The CD map distance can be calculated by adding the distance between AD, AB and BC ( 1 + 4+ 2). The recombination frequency is equal to distance between them is 7%.
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Determine whether the following two sets of data represent populations that are in Hardy-Weinberg equilibrium:a. CCR5 genotypes: 1/1 60 percent; 1/Δ32 35.1 percent; Δ32/Δ32 4.9 percentb. Sickle-cell hemoglobin: AA, 75.6 percent; AS 24.2 percent; SS 0.2 percent
a.) CCR5 genotypes Freq 1 = .776, Freq Δ32 = .224 and p2 = 0.6, 2pq = .348. q2 = .5; yes, in equilibrium b.) Freq A = .877, Freq S = .123 and p2 = .77, 2pq = .22, p2 = .015 , not in equilibrium
What is Hardy-Weinberg Equilibrium?The Hardy-Weinberg Equilibrium is a fundamental principal of population genetics, which states that “genotype frequencies in population remain constant between generations in absence of disturbance by outside factors”
To know if population is in Hardy-Weinberg Equilibrium, scientists have to observe at least two generations. If allele frequencies are same for both generations then population is in Hardy-Weinberg Equilibrium.
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cystic fibrosis is an autosomal recessive disease caused by mutations in the cystic fibrosis transmembrane conductance regulator (cftr) gene. individuals with cystic fibrosis have sticky mucus in their lungs and other organs. this mucus can lead to infections and additional complications. which of the following pedigrees shows a likely pattern of inheritance in a family with a history of cystic fibrosis? choose 1 answer: choose 1 answer: (choice a) a (choice b) b (choice c) c (choice d) d stuck?review related articles/videos.
The pedigree that shows a likely pattern of inheritance in a family with a history of cystic fibrosisis option A (a).
The respiratory, digestive, and reproductive systems are all affected by the hereditary condition known as cystic fibrosis (CF). The cystic fibrosis transmembrane conductance regulator (CFTR) protein, which controls the flow of salt and water into and out of cells, is the cause of the condition. This results in the accumulation of thick, sticky mucus in the pancreas, lungs, and other organs, which can harm, inflame, and cause persistent infections in these organs. Breathing issues, recurrent chest infections, slow growth, and trouble digesting food are all signs of CF. Although there is no known cure for CF, medications such antibiotics, airway clearing procedures, and nutritional support can help control symptoms and enhance quality of life.
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a forensic team is collecting evidence from the scene where a murder victim has been found. beetles, adult flies, larva and eggs are found on and near the body. what is the correct order in which these insects should be collected?
Beetle adults, larvae, ants, etc. Adult flies caught with a sweep net can either be dropped directly into 80% ethyl alcohol or sedated with an insect kill jar before being dropped into the alcohol.
What are the soul and body?You refer to your entire self, including your intellect and emotions, when you use the terms "body" and "soul." He committed his entire being to educating young guys. She had now devoted her entire being to the band. wholeheartedly is a synonym.
What names do the body's components go by?The five basic components of human anatomy are the head, neck, torso, arms, and legs. But behind the surface, many biological and chemical processes keep the human body machine running.
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connective tissue ensheathing a bundle of muscle cells
The connective tissue ensheathing a bundle of muscle cells is called the fascia.
Fascia is a type of connective tissue that surrounds, supports, and separates the muscles, organs, and other structures within the body. It is a continuous web of collagenous, elastic, and reticular fibers that forms a three-dimensional matrix that surrounds and supports the muscles, organs, and other structures.
It is composed of fibrous tissue, and it provides structural support, insulation, and a barrier. The fascia surrounds and separates muscles into functional groups, and it also gives structural integrity and stability to muscles, allowing them to work in coordination and preventing overstretching or tearing of the muscle fibers.
Fascia also plays an important role in the transmission of force by allowing the force generated by one muscle to be transmitted to the other muscles and bones.
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how does capillary action allow water to climb up the sides of a straw
The water molecules that are cohesively attracted to one another during capillary action rise up into the straw as one water molecule approaches the straw molecules.
The process of a liquid flowing in a small area without the aid of, or even in opposition to, any outside forces like gravity is known as capillary action. Due to the intermolecular interactions between the liquid and the nearby solid surfaces, it happens. The combination of surface tension, which is brought on by cohesion within the liquid, and adhesive forces between the liquid and container wall act to push the liquid if the tube's diameter is small enough.
Adhesion and cohesion are the names for the characteristics of water that lead to capillary action. Water has a tendency to stick to and rise up the walls of a container due to capillary action. When a tube with a tiny diameter is submerged in water, this is particularly evident. Without any additional force, the water will partially ascend the inside of the tube. Due to the structure of the water molecules and their attraction to the tube walls and to one another, this occurs.
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