The children in (iii-a) and (iii-e) did not get the disease because it is X-linked and they received a healthy X chromosome from their mothers.
X-linked diseases are caused by mutations in genes located on the X chromosome. In this case, the disease is caused by a mutation in a gene located on the X chromosome and is passed from affected fathers to their daughters, who are then carriers of the disease. Sons, however, receive only one X chromosome from their mothers and do not inherit an affected X chromosome from their fathers. This is why the children in (iii-a) and (iii-e) did not get the disease, even though both fathers had the disease. They received a healthy X chromosome from their mothers and did not inherit the affected X chromosome from their fathers. This pattern of inheritance is a hallmark of X-linked diseases and helps to explain why some individuals are affected and others are not.
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when you are pulling up and separating the dna strands which bonds are you breaking
When you're pulling up and separating DNA beaches, you're breaking the hydrogen bonds between the reciprocal bases.
The hydrogen bonds are weak, so the force you're applying to separate the beaches is enough to break them. DNA beaches are composed of two beaches that are reciprocal to each other, meaning that the sequence of bases on one beachfront is the exact contrary of the sequence of bases on the other beachfront.
The A's on one beachfront brace with T's on the other beachfront and the C's on one beachfront brace with G's on the other beachfront. When these base dyads are broken, the two beaches are separated. This process is called denaturation, and it's essential for numerous molecular biology ways, similar as PCR and DNA sequencing.
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Answers sholud be in compete sentences should not be copy paste
11. What are the alleles for a male with hemophilia?
12. What are the alleles for a male with normal blood clotting?
13. What are the alleles for a female with normal blood clotting?
14. what are the alleles for a female with hemophilia?
15. What treatments are there for hemophilia? (may need to look this one up)
The Y chromosome lacks any genes for clotting factors. Males only have one allele of factor IX and one allele of VIII, . In humans, the allele for haemophilia (XH) is dominant to the allele in normal blood clotting (Xh).
What factors lead to haemophilia?A mutation or change in the one of the genes, which codes for the proteins that make the clotting factor necessary for a blood clot, results in haemophilia. The clotting protein may no longer exist or function improperly as a result of this alteration or mutation. Here on X chromosome are these genes.
What is hemophilia's primary symptom?Bleeding is the primary haemophilia symptom. Mild cases might not be discovered until much later on in life, after severe bleeding from a wound or surgery. In the worst situations, bleeding happens unexpectedly. Anywhere inside the body can bleed, and bleeding in joints is common.
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according to sandra scarr's description of the three ways that heredity and environment can be correlated, passive genotype-environment correlations occur because
Three relationships between heredity and environment were outlined by behavior geneticist Sandra Scarr: Because the child's biological parents, who are connected to him or her genetically, provide a setting in which to raise the child, there are passive genotype-environment correlations.
There are three ways that heredity and environment are associated, according to a behavior geneticist: passive genotype-environment correlations, evocative genotype-environment connections, and active (niche-picking) genotype-environment correlations.
There are three different kinds of gene-environment correlations: active (environment preference will reflect a person's genetic makeup), evocative (a person's behavior causes their environment to react, like a husband and wife), and passive (a person's environment as a child is influenced by their genetics).
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• Find all the words and write/draw a creative story/cartoon using a character from your favorite TV show, movie,
or book using all 16 of the words below. Make sure to have these words stand out in bold, ALL CAPS, underlined
or highlighted.
USE ALL OF THE FOLLOWING WORDS BELOW:
Cell Membrane
Chlorophyll
Cytoplasm
Lysosomes
Nucleolus
Vacuoles
Cell wall
Chloroplast
Endoplasmic reticulum
Mitochondria
Nucleus
Centrioles
Chromosomes
Golgi bodies
Nuclear membrane
Ribosomes
A biological barrier called the cell membrane isolates and safeguards the interior of all cells from the external environment.
What is the meaning of chlorophyll?
Any of several closely similar green pigments called chlorophyll can be found in cyanobacteria as well as in the chloroplasts of algae and plants.Chlorophyll is a pigment found in some living creatures and all green plants. It is necessary for the process of photosynthesis, which turns light energy into chemical energy. The pigment chlorophyll is what gives plants their green color.Plants turn green thanks to chlorophyll. In essence, it is a collection of green pigments that are utilized by organisms during the photosynthetic process, which produces energy from light. The noun chlorophyll, which was first used in 1819, comes from the Greek words khloros, which means "pale green," and phyllon, which means "a leaf."To learn more about Cell Membrane refer to:
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Given the following genotype, explain how the mutation (identified by a (-) superscript) will affect E. coli grown in lactose medium. 1.
i^− p^+ o^+ z^+ y^+
a. Will the lac operon be on or off? b. Will there be a complete set of gene products from the lac operon? c. What will be the implication of the missing gene product, if ever? d. Will the cell be able to survive in the lactose mediunt or not?
E.coli are grown in lactose medium and according to the given genotype, the lac operon is going to be on.
In E.coli, the lac operon contains genes which are involved in metabolism. These genes are expressed only when the lactose is present and the glucose is absent. The operon is turned on and turned off in response to the glucose as well as lactose levels.
In the given genotype, we can see that the lac I gene is mutated which represents the repressor gene. Because of this, the RNA polymerase will not be able to bind to the promoter region and it will thus prevent the transcription.
In this case, the mutated lac I gene product will be a non functional repressor protein which is not able to bind to the operator region of the lac operon. Therefore, the structural gene will be transcribed continuously and the lac operon will be always "ON".
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Read the information about the halogen family.
Elements within a group share similar properties. Elements in the halogen family, such as fluorine (F), chlorine (Cl), bromine (Br), and iodine (I), all have seven valence electrons. Iodine is an important element for human health. The thyroid gland uses iodine to produce hormones. One of the hormones it makes is a covalent compound called thyroxine, which is shown in the image.
lyricsaima/Shutterstock
Given this information, what effect do you think other halogen elements have on human health? State your prediction, and do some research on one of the halogen elements to see how it affects human health. List your findings, and then give your opinion on whether you think the element you chose should be used in food products, cleaning products, or in other manners that cause it to come in contact with humans. Be sure to provide evidence from your research to support your opinion.
They are strong oxidizing agents and are readily reduced to the X– ions, and so the halogens form numerous ionic compounds.
What are the properties of halogens?The halogens are a group in the periodic table consisting of six chemically related elements: fluorine, chlorine, bromine, iodine (I), astatine, and tennessine, though some authors would exclude tennessine.
The halogens have low melting points and low boiling points. This is a typical property of non-metals. Fluorine has the lowest melting and boiling points. The melting and boiling points then increase as you go down the group.
The halogen elements are the six elements in Group 17 of the periodic table. Group 17 occupies the second column from the right in the periodic table and contains fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).
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(e) hexokinase is an important enzyme in the metabolism of glucose. if the concentration of hexokinase in our eukaryotic cell is 20 m, how many glucose molecules are present per hexokinase molecule?
When the concentration of the hexokinase in the eukaryotic cell is 20microM, then 50 molecules of glucose are going to be present per hexokinase molecule.
Hexokinase is basically the gateway enzyme which is used for the metabolism of glucose. It phosphorylates glucose to form glucose-6-phosphaste (G-6-P) which is the first step in the glycolytic, glycogen synthesis, as well as the pentose phosphate pathways.
The concentration of glucose in a particular cell equals to approximately 1 mM.
So, the ratio of glucose to hexokinase = 1mM/0.02 mM = 50:1.
Therefore, 50 molecules of glucose are going to be present per hexokinase molecule.
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In Morgan’s second experimental cross of fruit fly eye color, what was the phenotype of the F2 generation?
A.) 100% Red eyes
B.) 50% Red eyes; 50% white eyes
C.) 3 Red eyes to 1 white eyes
which letter choice is correct?
In Morgan’s second experimental cross of fruit fly eye color ,In the F2 generation, he noticed a 3:1 ratio of red to white eyes (option C)
Morgan's experiments on linkageAmerican geneticist Thomas Hunt Morgan once observed a male fruit fly through a hand lens and thought it didn't look quite right. This fly has white eyes instead of the wild-type Drosophila melanogaster's characteristically vivid red eyes. Morgan was particularly interested in the inheritance and distribution of features in developing organisms, and he pondered what had changed the normal pattern of this fly's eyes. Morgan decided to do a straightforward breeding analysis to learn more about white eyes because his fly lab at Columbia University (Figure 1) was already used to breeding Drosophila so that the researchers there could witness the transmission of genetic features across succeeding generations.
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What is wild type in biology?
Wild type in biology refers to the typical, or normal, phenotype or genotype of a species that is observed in nature.
The term "wild type" originated in genetics, where it was used to describe the dominant or most common form of a gene in a population. Over time, it has come to be used more broadly in biology to describe the typical or normal phenotype of an organism, which is determined by its genetic makeup and the environment in which it lives.
For example, in plants, the wild type phenotype might include the typical leaf shape, flower color, and stem height for a particular species. In animals, the wild type phenotype might include the typical body size, fur color, and behavior patterns for a particular species.
In some cases, researchers study deviations from the wild type phenotype or genotype in order to better understand the underlying genetics and biology of a species. For example, they may study mutant strains of plants or animals that have different traits from the wild type, or they may manipulate the genetic makeup of an organism to create genetically modified organisms (GMOs) that have different traits from the wild type.
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which of the following are characteristics of all animals? group of answer choices eucaryotic mobil at some life stage heterotrophic all of these answers are correct
Option 1, 3 are Correct. The vast majority of animals have specialized tissues, and all animals are eukaryotic, multicellular organisms. The majority of animals are mobile, at least at some points in their lives.
Animals need nourishment in order to thrive and grow. Every animal is heterotrophic, meaning they consume both live and dead organic stuff. Animal cells are typical eukaryotic cells since they have a membrane-bound nucleus and organelles and are encased in a plasma membrane.
Animal cells lack a cell wall, in contrast to eukaryotic cells found in plants and fungus. Animals have multiple cells, according to Audesirk & Audesirk's list of features.
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Correct Question:
which of the following are characteristics of all animals? group of answer choices
1. eucaryotic
2. mobil at some life stage
3. heterotrophic
4. all of these answers are correct.
the allele for sickle cell anemia leads to multiple changes in the individual's phenotype, including the type of hemoglobin produced, the shape of red blood cells, the onset of anemia and reduced susceptibility to malaria. the name for these multiple effects on phenotype is
The phenotype of a person with sickle cell anemia is altered in a number of ways, including how hemoglobin is made, how red blood cells are shaped when anemia first manifests itself, and how susceptible they are to malaria. Pleiotropy is the term used to describe these many influences on phenotype.
Pleiotropy is the situation in which a single gene affects a variety of phenotypes or phenotypic attributes.
In the case of sickle cell anemia, the sickle cell allele has pleiotropic effects, affecting the type of hemoglobin produced, the shape of red blood cells, the onset of anemia, and the reduced susceptibility to malaria.
This highlights the complexity of gene expression and the intricate connections between genes and the traits they control.
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Tori says that the rock cycle would
not be possible without the energy from
the sun. Jessica says that the cycle
would not be possible without Earth's
heat.
For the rock cycle to take place, energy from the sun and heat from the Earth are both necessary, and they each contribute to the different geological processes that cause rocks to change shape through time.
What is rock cycle?The production, disintegration, and reformation of rocks throughout the course of geological time is referred to as the rock cycle. It encompasses the alteration of igneous, sedimentary, and metamorphic rocks through procedures like cooling, erosion, sedimentation, heating and pressure, melting, and recrystallization.
How is both energy and heat are important?According to Tori, the sun's energy is essential for the rock cycle to occur. This is because many processes that cause rocks to alter form, such weathering and erosion, are powered by the sun's light. Rocks erode as a result of water evaporating due to the heat of the sun and falling as precipitation. The wind is generated by the sun's energy and can carry and deposit sediment, adding to the cycle.
Jessica claims that without the heat from the Earth, the cycle could not exist. This is due to the fact that the melting and solidification processes that are essential to the rock cycle are driven by the heat of the Earth. The heat of the Earth causes rocks to melt, creating magma that can then solidify to create igneous rocks. The heat also fuels metamorphism, a process in which rocks undergo heat and pressure transformations to take on new forms.
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when carrier particles are coated with an antigen that is not normally found on them, this is known as:
Passive agglutination is when carrier particles are coated with an antigen that is not normally found on them.
Passive agglutination is a laboratory technique used to detect antigens or antibodies in a sample. It involves coating a carrier particle, such as a red blood cell, with an antigen that is not normally found on it. The coated particles are then mixed with a sample containing antibodies or antigens. If the antibodies or antigens in the sample bind to the coated particles, they will form clumps or aggregates, which can be observed and interpreted as a positive result.
This technique is widely used in medical testing, including blood typing and disease diagnosis.
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explain the circulatory system of humans
Answer:
the circulatory system (cardiovascular system) pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.
The circulatory system is one of the most important systems in the human body.
consider a cross between two plants with green seeds and axial flowers (ggaa), where green is dominant to yellow and axial is dominant to terminal flowers. what is the probability that a group of five offspring will be composed of two plants with green seeds and axial flowers, one plant with green seeds and terminal flowers, one plant with yellow seeds and axial flowers, and one plant with yellow seeds and terminal flowers?
The probability of getting two plants with green seeds and axial flowers (GGAa) is 9/16.
The probability of getting two plants with green seeds and axial flowers (GGAa) is (3/4)^2 = 9/16. The probability of getting one plant with green seeds and terminal flowers (GgAa) is (3/4)(1/4) = 3/16.
The probability of getting one plant with yellow seeds and axial flowers (ggAa) is (1/4)(3/4) = 3/16. The probability of getting one plant with yellow seeds and terminal flowers (ggaa) is (1/4)^2 = 1/16.
The probability of getting the group of five offspring as specified is (9/16) * (3/16) * (3/16) * (1/16) = 9/262144.
Once the Punnett square is constructed, the probability of obtaining a particular combination of offspring can be calculated by dividing the number of times that combination appears by the total number of possible combinations.
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when the cell is said to be fired? if potential of body reaches a steady threshold values if there is impulse reaction during upbeat of heart none of the mentioned
Cells are stated to fire if and only if the body's potential hits a set, stable threshold value.
The connectors known as synapses are where neurons communicate with others. One neuron communicates with a target neuron—another cell—at the synapse. Chemical messengers are used by most synapses to interact with one another. In other synapses, which are electrical, ions move directly between the cells. Electrical impulses at the dendritic end cause the release of certain substances, which causes an electrical impulse to be produced at the axonal terminal of another neuron. The dendrite transmits this impulse to a cell body. It continues from the cell body to the axon. It then moves to the tip of the axon.
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which of the following is mismatched? which of the following is mismatched? parasympathetic preganglionic fibers; release ach parasympathetic postganglionic fibers; release ne sympathetic postganglionic fibers; release ne sympathetic preganglionic fibers; release ac
Parasympathetic preganglionic fibers; release ach is mismatched.
The correct matching is as follows:
Parasympathetic preganglionic fibers: release acetylcholine (Ach)Parasympathetic postganglionic fibers: release nitric oxide (NO)Sympathetic preganglionic fibers: release acetylcholine (Ach)Sympathetic postganglionic fibers: release norepinephrine (NE)The parasympathetic and sympathetic nervous systems are two branches of the autonomic nervous system that regulate the body's internal functions. The parasympathetic system slows down the heart rate and increases digestive activity, while the sympathetic system speeds up the heart rate and prepares the body for physical activity.
The preganglionic fibers are the nerve fibers that originate in the central nervous system and travel to the ganglia, while the postganglionic fibers originate in the ganglia and travel to the effector organs. The neurotransmitters released by these fibers determine the type of response that will be generated.
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water their plants with 100% H2O-no solutes added. What sort of environment
Generally, people
does this create around the roots of the plant?
Hypotonic
Isotonic
Hypertonic
Which is correct ^
If you water your plants with 100% H2O-no solutes added. You will create a hypotonic environment around the roots of the plant.
What is the difference between hypertonic and Hypotonic solution?A hypertonic solution has a higher concentration of solutes relative to another solution.A hypotonic solution has a lower concentration of solutes compared to another solution.
What happens when a cell is kept in hypertonic and Hypotonic solution?When a hypertonic solution is placed in contact with a cell, the water will move out of the cell, causing it to shrink. When a hypotonic solution is placed in contact with a cell, the water will move into the cell, causing it to swell.
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what is the term for short rod-shaped bacteria?
The term for short rod-shaped bacteria is "coccobacilli."
Bacteria are classified based on their shape and size, which helps in identifying and differentiating different bacterial species. Coccobacilli are bacteria that are short and rod-shaped, typically between 0.5 and 1.0 micrometers in length. They have a cylindrical or slightly tapered shape, similar to a football.
Examples of coccobacilli include Haemophilus influenzae, Neisseria gonorrhoeae, and Brucella species. These bacteria are commonly associated with various infections, including respiratory tract infections, urinary tract infections, and sexually transmitted infections.
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Imelda wa given a trong antibiotic the lat time he had trep throat. A week after her infection cleared up, he noticed that he wa very weak and loing weight even though he wa eating a healthy diet. What i the mot likely caue of Imelda’ fatigue and weight lo?
The most likely cause of Imelda's fatigue and weight loss is a side effect of the strong antibiotic he was given for his strep throat.
Antibiotics are designed to target and kill bacteria, but they can also have an impact on the beneficial bacteria that live in the gut. This can lead to an imbalance in the gut microbiome, causing a range of symptoms, including fatigue, weight loss, and digestive issues.
This condition is called antibiotic-associated diarrhea, or antibiotic-related colitis, and it is a common side effect of antibiotics. The best way to treat this condition is to restore the balance of the gut microbiome by eating a healthy diet that includes probiotics and fermented foods, or by taking probiotic supplements. In some cases, it may also be necessary to take an antidiarrheal medication to manage symptoms.
If Imelda's symptoms persist or worsen, it is important for him to see a doctor for further evaluation and treatment.
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is there evidence that at least one recombination event has occurred? give the detailed assumptions and reasons that lead to your conclusion
Recombination happens when two DNA molecules trade genetic material with one another. When homologous chromosomes align in pairs and exchange DNA segments during prophase I of meiosis, one of the most notable instances of recombination occurs.
If there are an odd number of crossover events (often just one) between the two loci, then the evidence is a recombination will take place. These genes would revert to their original chromosomal layout with an even number of crossings (typically 0, sometimes.
Two genes will co-occur if recombination between them does not take place. The likelihood of co-inherited traits increases with the proximity of two genetic markers on the same DNA molecule.
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does lactose make benedict's reagent darker?
Answer:yesss!!!!
Explanation: because the lactose sinks into it
Benedict's reagent does not typically react with lactose. Benedict's reagent is a solution of copper(II) sulfate that is used to test for reducing sugars, including glucose and fructose.
When a reducing sugar is present, the reagent will change color from blue to green, yellow, or brick-red, depending on the amount of sugar present. However, lactose is not a reducing sugar, so it will not react with Benedict's reagent and will not cause a change in color. Lactose, however, is not a reducing sugar, so it will not react with Benedict's reagent and will not cause a change in color. To determine the presence of lactose in a sample, a different test, such as the lactose tolerance test, must be performed. In this test, the patient drinks a solution containing lactose and then has their blood glucose levels measured at intervals to determine how well they can digest lactose.
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where q1q1 and q2q2 are the quantities produced by each plant. the total quantity demanded, q=q1 q2q=q1 q2 , is related to the price, pp , by p=70−0.04q.
This is an equation that shows a product's demand as a function of price. The sum of the quantities generated by each plant (q1 + q2) equals the total amount requested.
(q). The product's price (p) is inversely related to the total amount required, which means that as the quantity demanded grows, so does the price. The equation p = 70 - 0.04q represents the link between price and quantity required, where p is the price and q is the total amount demanded. where q1q1 and q2q2 are the quantities produced by each plant. the total quantity demanded, q=q1 q2q=q1 q2 , is related to the price, pp , by p=70−0.04q. This is an equation that shows a product's demand as a function of price. The sum of the quantities generated by each plant (q1 + q2) equals the total amount requested.
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The birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands.
The large ground finch (top left) obtains food by cracking seeds. Its short, strong break is an example of which of the following?
A. The struggle for existence
B. The tendency towards perfection
C. An adaption
D. An inheritance of acquired traits
The birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands, and the strong break is an example of an adaptation that is presented in option c.
What is the significance of the adaptation in birds?Adaptation is seen in these due to a long period of accumulation of the traits and in response to environmental pressures that have helped an organism survive; this is an example of natural selection, where traits that provide an advantage inherit
Hence, the birds shown below are four types of the 13 species of finches Darwin found on the Galapagos Islands, and the strong break is an example of an adaptation that is presented in option c.
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how do pollution and disease affect your population? do either of them change the carrying capacity?
Answer:
Where pollutants go in the body and what they do
When air pollutants enter the body, they can have effects on various different organs and systems, not just the respiratory system. This includes: 1. the eyes, nose and throat 2. the lungs and respiratory system 3. the heart – heart and blood vessel diseases, including strokes
Explanation:
impact of air pollution across a person’s lifetime
Air pollution can affect everyone, and air in all areas of the UK contains some proportion of man-made air pollutants. Exposure to air pollution has various different health effects, which come about at every stage of life, from a foetus’ first weeks in the womb all the way through to old age
Which of the following best explains why different cells within an individual organism function differently?
A) The functions of cells are determined by the chemical messengers sent to them.
B) The function of individual cells depends on the cell's location in the body.
C) Proteins regulate which genes within a cell are activated and which are not.
D) Each type of cell within an organism contains unique genetic information.
Answer:
C) Proteins regulate which genes within a cell are activated and which are not.
you carry out the experiments, check the results with what you would have expected to happen given if each explanation were correct, to eliminate all the ones whose expected results did not come out of the experiment. the explanation that remains after this process is called
You conduct the tests, compare the findings to what you would have anticipated would occur if each explanation were true, and then rule out any candidates whose predicted outcomes did not emerge from the experiment. The scientific explanation or hypothesis is what is left over after this procedure.
The scientific method is what is known as a methodical and empirical strategy used to research and understand natural phenomena.
The scientific method involves observation, hypothesis formation, prediction, experimentation, and conclusion drawing. The explanation that remains after all other explanations have been eliminated is referred to as the scientific theory.
A theory is a well-thought-out explanation for observations of the natural world that has been established using the scientific method and incorporates a number of facts and hypotheses.
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Stretch your thinking, right, and olve a diviion problem that divide the four digit number by two digit number how did you etimate the firt digit of the quotient
The first digit of quotient is 7. As first three digits (365) can be divided by 47.
Quotients are the results of dividing two numbers, one by the other. We can take advantage of the fact that division can be seen as multiplication, but with the multiplicative inverse of the denominator.
A 4-digit number must be divided by a 2-digit number.
Place the dividend (3654) beneath the Place of the divisor (47).
The dividend's first two numbers may be (36). 36 cannot be divided by 47 to get a complete number because it is less than 47.
then subtract the dividend's first three digits (365). Seven 47s are contained in the number 365.
(7 x 47=329)
(8 x 47=376).
Place the 7 now directly above the 5 and above the division bracket, and we will get the solution to 77.
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how many roots does endogastric have
Endogastric does'nt have any roots it is type of surgery used to reduce the size of stomach.
Endo gastric bypass surgery is a type of minimally invasive surgery that involves operating inside the stomach. It's generally used to treat conditions similar as gastroesophageal influx complaint( GERD) and hiatal hernia.
During endo-gastric surgery, a surgeon makes small lacerations in the stomach wall and inserts a bitsy camera, called an endoscope, to examine the stomach filling. The surgeon also uses technical surgical instruments to perform the necessary repairs. Endogastric surgery is less invasive than traditional open surgery and generally requires smaller lacerations, shorter recovery times, and lower pain.
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thom has been on a diet for several months and has lost 50 pounds. what is happening to the fat cells in his body? a. a) the number of fat cells is increasing. selected:b. b) the number of fat cells is decreasing.this answer is incorrect. c. c) fat cells are storing excess glucose due to his reduced food intake. d. d) the number of fat cells is remaining constant. e. e) the fat cells are dividing to increase the number of them available for fat storage.
In the body of Thom, B: "the number of fat cells is decreasing".
When a person loses weight through diet or exercise, the size of their fat cells decreases, but the number of fat cells remains constant. This means that the existing fat cells shrink as they release stored fat for energy use. This is why people who lose a significant amount of weight often still have visible pockets of fat on their body, even though their overall body fat percentage has decreased. So, the correct answer is "the number of fat cells is decreasing."
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