The reason that newtons cradle (newtons balls) described as an “almost-ideal” closed system is because Due to the little forces that are exerting themselves onto it, it is a closed system. solely air resistance and gravity
What is the newtons cradle about?
Tn regards to the above case, it is a system that is almost completely isolated from its surroundings, Newton's cradle is referred to be an almost ideal closed system.
This indicates that the system is largely self-contained and does not interact with the environment to exchange matter or energy.
In Newton's cradle, a set of metal balls are suspended from a frame as the system. The other balls swing back and forth when one ball is pushed back and released, striking them in the process.
Therefore, The balls do not gain or lose energy during the impact since this motion is nearly completely elastic. The system is therefore almost closed and does not exchange energy with its surroundings.
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What are the three types of atherosclerosis?
Three lesions are used to categorize arterial stiffness or arteriosclerosis:
The elastic and big arteries, where atheroma development occurs, are impacted by atherosclerosis.Medial calcific sclerosis in MoenckebergArteriolosclerosisWhen the intima of the artery wall begins to swell due to the deposition of various kinds and amounts of lipids, inflammatory cells, connective tissues, matrix proteins, enzymes, and calcium deposits, arteriosclerosis lesions form.
Atherosclerosis is the term for these lesions as they develop. Atheroma and arteriosclerosis combine to form atherosclerosis. Thousands of heart attacks and strokes are caused by this, which is the biggest cause of death in developed nations.
The deposition of calcium in the tunica media of the big and medium-sized arteries is known as Moenckeberg medial calcific sclerosis. Patients younger than 50 rarely have it.
In contrast to atherosclerosis, this type of calcification solely affects the artery walls and does not impact the artery lumen. When both the wall and the lumen are damaged, Moenckeberg sclerosis and atherosclerosis may coexist.
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Derivatives of give feces a brown color.
O cholesterol
O bilirubin
O urobilinogen
O guanylin
Option A- Cholesterol derivatives are what give faeces their brown hue. When there is too much of the fatty molecule known as cholesterol in your blood, you have high cholesterol.
It is mostly brought on by consuming fatty foods, failing to exercise regularly, being overweight, smoking, and using alcohol. Moreover, it can run in families. By consuming a healthy diet and increasing your physical activity, you can reduce your cholesterol. Some folks also require medication. Your blood arteries may get clogged by too much cholesterol. It increases your risk of developing heart issues or having a stroke. Symptoms of high cholesterol do not exist. Only a blood test can determine if you have it.
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What is the synonym of sclerosis?
Induration is the synonym of sclerosis.
what is sclerosis ?Sclerosis is a condition in which a person's body becomes unusually hard.Sclerosis of the arteries can result from a diet that is overly high in cholesterol.
The gradual replacement of soft connective tissue with stiffer connective tissue causes the stiffening of tissue in organs, nerves, or arteries in many cases of sclerosis. Multiple sclerosis or MS, is one of the most prevalent types of sclerosis. The brain's and spinal cord's nerve cells are impacted by this illness. Multiple sclerosis sufferers eventually endure numbness, lack of coordination, and other symptoms. The word "hard" is skleros in Greek.
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The average gestation for a full-term infant is _____ weeks, while an infant born at <_____ weeks is considered pre-term.
The average gestation for a full-term infant is 40 weeks weeks, while an infant born at 37 weeks is considered pre-term.
Gestational period refers to the span of time between conception and delivery. During this stage, the baby develops and grows inside the mother's womb. Gestational age is the phrase that describes a pregnancy's stage of development most frequently.
Between 38 and 42 weeks is the usual gestational period. Premature birth refers to births that occur before 37 weeks. Babies who are born postterm are those who are more than 42 weeks gestation.
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What organelles are involved in cellular respiration?
Answer:
Mitochondria
Explanation:
Mitochondria is the organelle which is involved in cellular respiration. It is known as the power house of the cell.
The membrane of mitochondria is specialized for aerobic respiration.
Name the part of the cells in the photograph that has absorbed the largest amount of the blue dye
The part of the cells in the photograph that has absorbed the largest amount of the blue dye is the nucleus, as the blue stain is due to the methylene blue and it shows more affinity for the nucleus.
What is the importance of the staining?The importance of the staining is that it is helpful for the proper visualization of the cell organelles, such as the fact that every cell's contents have different charges, so by using stains such as the positive stain and the negative stain, the organelles can be seen, such as the methylene blue, acridine orange, etc.
Hence, the part of the cells in the photograph that has absorbed the largest amount of the blue dye is the nucleus, as the blue stain is due to the methylene blue and it shows more affinity for the nucleus.
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What is the 1st stage of Calvin cycle in C3 plants?
The light-independent processes are started and carbon dioxide is fixed in the first phase of the Calvin cycle.
The Calvin cycle has three main phases. In carbon fixation, CO₂ binds to RuBP and produces two to three carbon molecules of phosphoglycerate. Ribulose bisphosphate carboxylase/oxygenase, enzyme found in the stroma of chloroplasts, is the one responsible for this reaction. In reduction, 3-PGA molecules produced in carbon fixation are transformed into glucose molecules, which are saccharide molecules. ATP and NADPH generated during the photosynthesis light-dependent processes provide energy for this stage. The regeneration needs ATP. While others are recycled to regenerate the RuBP acceptor, some of the G3P molecules are used to create glucose.
Hence, calvin cycle forms sugar molecule in photosynthesis.
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What are 2 ways humans can affect coral reefs?
The ways that humans can affect coral reefs are :
A)Construction and sedimentation -Sedimentation is an extremely important cause of coral reef destruction. Coastal construction and shore development often result in heavy sediment loading. Further effects are caused by inadequate land management and deforestation where soil runoff from farms and settlements delivers sediments to the reefs. Watersheds cleared of their forests and other vegetation cover is unsafe for erosion and flooding, resulting in increased levels of sediments reaching the reefs.
B) Mangrove cutting -The destruction of mangroves by clear-cutting or pollution has resounding consequences on coral reef ecosystems. Mangroves give nutrient-rich feeding grounds for many marine species, which if removed would eliminate fishing grounds. Furthermore, mangroves protect the shoreline against cyclones and storms and stabilize it against erosion and land loss.
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What is the relationship between the terms DNA gene chromatin and chromosome?
DNA, genes, chromatin, and chromosomes are all related.
What is Chromatin?
Chromatin is the combination of DNA and proteins that make up the structure of a eukaryotic cell's nucleus. It is responsible for regulating the expression of genetic material and plays a role in the cell's processes such as replication, repair, and transcription. Chromatin is composed of nucleosomes, which are composed of DNA wrapped around histone proteins.
DNA is the genetic material that contains the instructions for making proteins and other molecules needed for life. Genes are specific sequences of DNA that code for a single protein or a set of related proteins. Chromatin is the complex of DNA and proteins that make up the chromosomes, which are structures in the nucleus of a cell that contain DNA. Chromosomes are made up of chromatin and are visible under a microscope during certain stages of the cell cycle.
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the following events that occur in the carotid bodies when they are exposed to hypoxia are listed in random order: (3) reduced conductance of hypoxia-sensitive k channels in type i glomus cells; (1) decreased k efflux. (2) excitation of afferent nerve endings; (4) ca2 entry into type i glomus cells; (5) depolarization of type i glomus cells; what is the usual sequence in which they occur on exposure to hypoxia?
When the carotid bodies are exposed to hypoxia, a series of physiological changes occur that help regulate oxygen levels in the body. The usual sequence in which these changes occur is listed below.
(1) Decreased K efflux – hypoxia causes a decrease in the efflux of potassium from type I glomus cells. This leads to a decrease in their resting membrane potential and a decrease in the conductance of hypoxia-sensitive K channels.
(2) Excitation of afferent nerve endings – the decrease in K efflux causes the afferent nerve endings to become more excitable. This allows for the nerve endings to be more sensitive to hypoxia and detect changes in oxygen levels more quickly.
(3) Reduced conductance of hypoxia-sensitive K channels in type I glomus cells – the decreased membrane potential causes the hypoxia-sensitive K channels in type I glomus cells to become less conductive.
(4) Ca2 entry into type I glomus cells – the decrease in the membrane potential of the type I glomus cells leads.
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What substance are found in the plasma?
Essential components including water, salt, and enzymes are also present in plasma. These also include antibodies and coagulation components like albumin and fibrinogen.
What 3 substances are present in blood plasma?Plasma, an aqueous blood component that contains proteins and salt, suspends red, white, and platelet-containing blood cells. It makes up about 55% of the entire volume of blood. Plasma contains a number of important proteins, including albumin, coagulation factors, fibrinolytic proteins, immunoglobulin, and others.
What element doesn't exist in plasma?It mostly consists of water, proteins including globulins, albumins, and fibrinogens, as well as a variety of other substances like ions, hormones, glucose, and so forth. The lack of platelets in the part of the plasma.
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What is the meaning of meiosis 1 and meiosis 2?
In meiosis 1, the number of cells is doubled but the number of chromosomes is not. Meiosis 2, occurs right after meiosis 1, which is more similar to mitosis; the number of chromosomes does not get reduced.
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what is section of organisms in biology
Answer:
Organisms are classified by taxonomy into specified groups such as multicellular animals, plants, and fungi; or unicellular microorganisms such as protists, bacteria, and archaea.
Explanation:
There are different types of organisms, including -producers, consumers, herbivores, carnivores, omnivores, scavengers, parasites, predators, and decomposers. Producers – An organism that produces its own food with the help of raw materials is called a Producer.
Answer:
Organisms are classified by taxonomy into specified groups such as the multicellular animals, plants, and fungi; or unicellular microorganisms such as a protists, bacteria, and archaea.
Explanation:
Brainliest, please!Need help please!! Compare Bryophytes, Ferns, Gymnosperms, and Angiosperms with respect to dominant generation (sporophyte or gametophyte), vascular tissues, pollen, seeds, fruits or flowers (MAKE A TABLE-easier).
Answer:
Plant Group Dominant Generation Vascular Tissue Pollen Seeds Fruits or Flowers
Bryophytes Gametophyte No No No No
Ferns Sporophyte Yes No No No
Gymnosperms Sporophyte Yes Yes Yes No
Angiosperms Sporophyte Yes Yes Yes Yes
Bryophytes are a group of small, non-vascular plants that include mosses and liverworts. The dominant generation in bryophytes is the gametophyte, which is the generation that produces gametes, or reproductive cells. Bryophytes do not have vascular tissue, pollen, seeds, fruits, or flowers.
Ferns are a group of larger, non-vascular plants that reproduce using spores. The dominant generation in ferns is the sporophyte, which is the generation that produces spores. Ferns have vascular tissue, but they do not have pollen, seeds, fruits, or flowers.
Gymnosperms are a group of seed plants that reproduce using seeds. The dominant generation in gymnosperms is the sporophyte, which is the generation that produces seeds. Gymnosperms have vascular tissue, pollen, and seeds, but they do not have fruits or flowers.
Angiosperms are a group of flowering plants that reproduce using seeds contained within fruits or flowers. The dominant generation in angiosperms is the sporophyte, which is the generation that produces seeds. Angiosperms have vascular tissue, pollen, seeds, fruits, and flowers.
Explanation:
Cell differentiation is critical during embryonic development. The process of cell differentiation results in the production of many types of cells including germ, somatic and stem cells. Cell differentiation is most likely regulated by.
Cell differentiation is most likely regulated by DNA. During the development of an embryo, cell differentiation is very important.
The transformation of a stem cell from one type to a differentiated one is known as cellular differentiation. The cell usually evolves into a more specialized form. The key to the identity of cells, tissues, organs, and organisms is their differentiation during embryogenesis. When an egg is treated by a sperm, a zygote is framed. In a process known as cleavage, the zygote divides into multiple cells, kicking off the beginning of embryonic differentiation.
DNA is a living cell component that plays a significant role in directing cell differentiation. During the process of cell differentiation, genetic information is incorporated into new cells by DNA molecules. Specialized cells were created during the process of cell differentiation.
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What microbe would you grow if you wanted to prepare and isolate some vancomycin?
What kind of microorganism would you cultivate in order to make and isolate some vancomycin Amycolatopsis oreintalis .
Microbes are extremely minute living entities that are everywhere and are invisible to the unaided eye. They are amphibious, terrestrial, and avian organisms. Millions of these bacteria, which are also referred to as microorganisms, reside in the human body. While certain microbes make us ill, others are vital to our wellbeing. The mammalian microbiota is the collective name for the huge array of microscopic living things that live inside the human body. Microbes known as bacteria can be found in the gut, nose, mouth, and on the skin.
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Do viruses have protein structure?
However, a nucleic acid genome is encased and shielded by a protein coat seen on all viral particles. The instructions for creating the protein subunits that make up the capsid, which is the name given to this protein coat.
Are there structural proteins in viruses?Virus proteins that are a part of fully built, mature virus particles. They might consist of the proteins that make up the nucleocapsid core, the virus-packaged enzymes known as pol proteins, and membrane components (env proteins).
Viruses have what kinds of structures?The majority of viruses have icosahedral or helical capsid structures, however a handful have complicated virion architecture. Each of the 20 sides of an icosahedron is made up of an equilateral triangle, and icosahedral viruses grow the number of structural units in each face to increase capsid size.
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What structure is shown by a human arm and wings of bat?
The structure shown by a human arm and wings of bat is an excellent illustrations of homologous structures. Because both bats and people are mammals, they have a common ancestor.
Are human arms and bat wings structurally similar?The wing of a bat and a human arm are two well-known examples of homologous structures. Because they are both mammals, they certainly share a same evolutionary ancestor and share a similar internal bone structure.
What kind of architecture do bat wings have?Tetrapod forelimbs are converted into bat wings. As mammals, bats have skeletal components in their wings that are morphologically similar to those in other tetrapod forelimbs.
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Would a cell be able to survive without ribosomes?
Answer: The answer would be NO.
Explanation: Every chemical process and damage repair in cells requires proteins. Ribosomes contain RNA and proteins. Without proteins, the cells in the body will not be able to synthesise proteins and function properly. So, without ribosomes, life will not be possible in living organisms.
scientists have developed a new herbicide which farmers can use to control unwanted plants in their crop fields. the chemical works by blocking the production of proteins involved in the capture and storage of energy. which two organelles are most likely to be affected by this chemical?
Answer: Herbicides can cause malformations by imitating natural plant growth hormones, which can hinder cell division, photosynthesis, or amino acid biosynthesis.
Explanation: Herbicides are substances that are used to control or modify unwelcome vegetation. The most frequent use of herbicides is in row-crop farming, when they are sprayed on either before or during planting to reduce other vegetation and increase crop productivity. They may also be used on crops in the autumn to enhance harvesting.
For example, when plants are treated with a photosynthesis inhibitor, it is expected that the plant will "starve" to death due to a lack of energy. Photosynthesis inhibitors, on the other hand, function too quickly for this to be the case. Photosynthesis inhibitors produce high-energy hazardous chemicals that degrade membranes and cause plant death by inhibiting electron transport.
A herbicide may also cause a harmful chemical to accumulate by suppressing enzyme function. Enzyme activity is generally tightly controlled, ensuring that hazardous chemicals are kept to a minimum. The herbicide causes the material to accumulate by blocking the target enzyme.
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Is atherosclerosis a normal aging change?
No. atherosclerosis is not a normal aging change.
A common ailment called atherosclerosis arises when a sticky substance called plaque accumulates inside your arteries. The most common reason for death in the US is a condition related to atherosclerosis. Atherosclerosis affects almost 50% of Americans between the ages of 45 and 84, yet they are unaware of it.
Atherosclerosis is not always a normal aspect of aging because it has various controllable risk factors. Your arteries become harder and narrower as a result of plaque buildup inside their walls, which lowers the amount of oxygen-rich blood that can reach your organs and other body parts.
A deposit of plaque in the inner lining of the artery results in atherosclerosis, which is a thickening or hardening of the arteries. Risk factors may include high cholesterol and triglyceride levels, high blood pressure, smoking, diabetes, obesity, physical activity, and eating saturated fats.
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Medical Terminology Chapter 9 Urinary System
The fundamental ideas of human anatomy and physiology as well as the typical medical phrases pertaining to the body systems are the main topics of Introduction to Medical Terminology.
Each chapter begins with a patient case study that illustrates how medical terminology is used in everyday situations.
The chapter content has been logically divided by medical word components, an introduction of anatomy and physiology, coverage of diseases and conditions, diagnostic techniques, surgical and therapeutic treatments, and medication therapies using a student-friendly approach.
A range of classroom-tested activities are included in each chapter review to help students develop and strengthen their knowledge of medical terminology. Medical illustrators with experience in creating vivid, detailed imagery have accompanied the text.
Purposes of the Urinary System
keep the interior environment stableDelete any rubbish you haveAdapt the levels of water and electrolytes.Maintain the proper pH for the culture.urinary system organs
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Which of the following occurs during the light-dependent reactions of plants?
In light reaction of photosynthesis electron transport, splitting of water, a hydrogen ion gradient is established to produce ATP. the correct option to this question is D.
Two stages of photosynthesis occur: a light-dependent reaction and a light-independent reaction.
The photosystem's chlorophyll absorbs light energy, which triggers the onset of the light-dependent. The electrons that are given by the chlorophyll molecule are excited as a result of this absorption.
A chain of electron flow known as the electron transport chain is started when an electron acceptor molecule accepts excited electrons from the reaction center.
As a result of this electron transit, the photosystem experiences an electron shortage that leads to the splitting of the water molecule, which releases oxygen gas.
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Complete question: Which of the following occurs during the light-dependent reactions of plants?
a. Electron transport
b. The splitting of water
c. A hydrogen ion gradient is established to produce ATP
d. All the above
2. Scientists have discovered an unusual diamond from the mantle that
encased hydrous ringwoodite. This is the first and only ringwoodite
specimen from the mantle scientists have ever analyzed. Though the find
suggests the mantle could contain a lot of water, what is the main
problem with this evidence?
A. The ringwoodite was contaminated by the process used to extract it
from the earth.
B. The sample was found inside diamond, so it can not really be
ringwoodite.
C. The sample size is too small and may not be representative of mantle
ringwoodite.
D. Scientists are not able to extract minerals from the mantle, so this is
not a true sample.
Answer:
C. The sample size is too small and may not be representative of mantle
ringwoodite.
The main problem with this evidence is the sample size is too small and may not be representative of mantle ringwoodite. The correct option is C.
What are scientific studies?Studies that use scientific theory, models, experiments, and physical circumstances are referred to as scientific studies. It could be used to describe: The scientific method, a collection of methods for examining phenomena that are based on empirical or quantifiable evidence and are subject to the rules of logic and reasoning.
RCTs, cohort studies, case-control studies, and qualitative studies are the main categories of research. Papers that describe experimental work are frequently organized chronologically into five sections: introduction, materials and methods, results, discussion, and conclusion. These three sections combined make up the paper's body.
Therefore, the correct option is C. The sample size is too small and may not be representative of mantle ringwoodite.
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Four different nucleotides are used as building blocks of dna. What are the components of all nucleotides?.
During (blank) 1 of meiosis, the homologues are pulled toward opposite poles of the cell, i.e. they are segregated.
During anaphase 1 of meiosis, the homologues chromosome are pulled toward opposite poles of the cell, i.e. they are segregated.
Homologous chromosomal separation triggers the onset of anaphase I. Reformed nucleoli and the nuclear envelope are shown. The nuclear membrane starts to break down, the centrosomes start to separate, and the chromosomes coil up. Sister chromatids line up to the cell's equator, and spindle fibres begin to develop.
The term "homologous chromosome" refers to a pair of two chromosomes, typically one inherited from the mother and one from the father. The length, centromere location, and staining pattern of the homologous chromosome are identical. Chromosomes will couple up inside the cell during conception.
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when a person has not taken in sufficient water they become dehydrated. this may cause a loss of blood pressure, which will trigger the release of antidiuretic hormone (adh) from the hypothalamus and pituitary glands in the brain. this hormone signals the kidney to allow reabsorption of water by the blood vessels to bring the blood pressure back to normal conditions. is this an example of positive or negative feedback?
Sensors (baroreceptors) in the heart and big blood arteries detect a drop in blood volume or low blood pressure caused by dehydration or a hemorrhage. These cause the secretion of antidiuretic hormone.
Sensors (baroreceptors) in the heart and major blood arteries detect a decrease in blood volume or a reduction in blood pressure induced by dehydration or a bleed. These stimulate the release of antidiuretic hormone.
ADH is a substance generated in the brain that stimulates the kidneys to release less water, reducing the volume of urine produced. When the ADH level is high, the body produces less urine.
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How to convert mRNA to tRNA?
To convert mRNA to tRNA, you may obey the below given method of the travelling of ribosomes.
Each tRNA is combined to an amino acid, so that the ribosome moves below the mRNA paraphrase, establishing a similar tRNA codon next to each mRNA codon and combining the amino acids before pouring out the tRNA. Since each codon have their three bases, it will move below the mRNA paraphrase with three bases at a particular time.
Transfer ribonucleic acid( tRNA) is a sort of RNA reinforcement that helps to crack a mRNA order into a protein. tRNAs have role at specific places in the ribosome during paraphrase, a method that incorporates a protein from an mRNA reinforcement.
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Question 1: What number should go in spot A of the equation above?
26.98 grms of aluminum where oxidized.
How do you find the mass of the product in a chemical equation?Mass of reactants equals mass of products. By inserting the word "moles" between each coefficient and formula, this equation can be read in "moles." A ratio of the moles for any two substances in an equation is known as a mole-mole factor.4Al + 3O2 [tex]\rightarrow[/tex] 2Al2O3.
aluminum oxide. weight = 51 g
molar mass of the Al2O3. = 101.96 g/mol
No.of moles Al2O3 = 51/101.96 = 0.5 mol
from the balance equation we now that 4 mol of aluminum required to produce 2 moles of aluminum oxide.
since
2/4 =.5/ x
x= .5 *4/2 = 1 mole
1 mole Al is required.
i. e.
26.98 g Reqired.
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What is the difference between point and chromosome mutation?
Chromosomal mutations occur when the number of chromosomes is abnormal. The types and structure of DNA are inherited. Point mutations occur when one nucleotide is exchanged for another and can be missense, nonsense, or silent mutations.
A point mutation is one that occurs only at one locus. It leads to the substitution of one nucleotide for another. A point mutation is a genetic mutation that occurs when a single nucleotide base in an organism's genome is changed, inserted, or deleted. Point mutations have a variety of effects on the downstream protein product, with moderately predictable consequences based on the specifics of the mutation.
Chromosomal mutations are the process of duplication, deletion, or rearrangement of an organism's diploid chromosomal content. A chromosomal mutation is a DNA mutation that affects a long segment of DNA. These mutations can involve deletions, insertions, inversions, or translocations of DNA segments or sections. In some cases, deleted segments may attach to other chromosomes, disrupting both the chromosomes losing and gaining DNA.
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