Answer:
Cơ thể người không tiêu hóa được loại đường nào? Cơ thể người không tiêu hóa được Xenlulozo.
Which statement is correct for triglycerides and phospholipids?
A A phosphate group is joined to a glycerol molecule.
B Hydrocarbon chains may be saturated or unsaturated.
C They are polar molecules.
D They contain three ester bonds.
Your answer
Answer:
done
Explanation:
brainliest jjjkkkjhffhidfih
the essential features of the following procedures/techniques below. for each of the procedures/techniques you describe, explain how its application contributes to understanding genetics. the use of a bacterial plasmid to clone and sequence a human gene polymerase chain reaction (pcr)
The use of a bacterial plasmid to clone and sequence a human gene involves the isolation and amplification of a specific segment of DNA using restriction enzymes and DNA ligase.
The amplified DNA is then inserted into a bacterial plasmid, which acts as a vector to replicate the gene of interest. This technique allows for the creation of multiple copies of the gene, which can be sequenced and analyzed for genetic variation or mutations.
Polymerase chain reaction (PCR) is a technique that amplifies a specific segment of DNA using primers and a heat-stable DNA polymerase enzyme. This allows for the amplification of a small amount of DNA into a large quantity, which can be analyzed and sequenced. PCR is a valuable tool in genetics as it enables the identification of genetic variations and mutations in a gene of interest, which can aid in the diagnosis of genetic disorders or diseases. It can also be used for genetic engineering, allowing for the creation of modified genes with specific functions. Overall, both of these techniques contribute greatly to our understanding of genetics and the role that genes play in human health and disease.
1. Bacterial Plasmid Cloning: Bacterial plasmids are small, circular DNA molecules that can replicate independently of the bacterial chromosome. They are utilized in cloning and sequencing human genes. By inserting a human gene into a plasmid and introducing it to a bacterial cell, scientists can produce multiple copies of the gene. This allows for further analysis and sequencing, contributing to our understanding of gene function and regulation.
2. Polymerase Chain Reaction (PCR): PCR is a powerful technique used to amplify specific DNA sequences. It involves repeated cycles of heating and cooling to denature, anneal, and extend DNA strands using a heat-stable DNA polymerase. This process results in the exponential amplification of the target DNA sequence. PCR has revolutionized genetics by enabling researchers to analyze small amounts of DNA, facilitating the study of gene mutations, gene expression, and genetic variation among populations.
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a disorder of the mucous membranes due to an allergic reaction or infection that includes swollen lips with extensive crust formation is termed:
Angioedema is the abrupt development of swollen patches (edoema) on the skin or mucous membranes. It typically affects the vocal cords, face, lips, mouth, tongue, or back of the throat.
Explain about the Angioedema?Under the skin, there is swelling in angioedema. Usually, it's a reaction to a trigger, like a medication or an allergen. While it rarely poses a threat to life if it affects breathing, it can be persistent for certain people and not infrequently be serious.
An allergic reaction frequently leads to Angioedema. This occurs when the body misinterprets a safe chemical, such a particular food, for a harmful one. In order to combat the material, it releases chemicals into the body that make the skin swell.
Tomatoes, bread, shrimp, pineapple, strawberries, milk, kiwis, tree nuts, garlic, cheese, apples, onions, leeks, bananas, citrus fruits, fish, green salads, alcohol, and chicken were among the suspected food triggers for episodes of abdominal angioedema.
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Analyze: Describe and compare the sources of Earth's internal energy. (leftover energy from Earth's
formation and radioactive decay)
Answer balls
Explanation:
funny
Which of the following are factors that make petroleum a limited resource? (Select all that apply)
a) It is a non-renewable resource.
b) It takes millions of years to form.
c) The process of extraction is difficult and expensive.
d) It is found only in certain regions of the world.
The factors that make petroleum a limited resource are a) It is a non-renewable resource, b) It takes millions of years to form, and d) It is found only in certain regions of the world.
a) Petroleum is a non-renewable resource because it cannot be replaced or regenerated in a short period. Once it is consumed, it is gone forever.
b) The formation of petroleum takes millions of years. It is created from the remains of ancient marine plants and animals that were buried under layers of sediment and subjected to heat and pressure over time.
d) Petroleum is found only in certain regions of the world, making it geographically limited. These regions, such as the Middle East, have vast reserves of petroleum, while other areas have little or none.
Factors like petroleum being a non-renewable resource, its formation taking millions of years, and its geographical limitations contribute to its status as a limited resource.
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An animal cell left and a plant cell right are shown which two cell parts are most likely found in both types of cell
A scientist discovers that she is able to genetically modify
hens to produce particular proteins in the whites of their eggs.
Discuss the potential advantages of the scientists findings in medicine and other areas,
and also the concerns that some people may have over genetically engineering animals.
Answer:
This can make the eggs more healthier to eat however there are issues with religion and if it’s wrong in general
How does earthquake bring about change in the topography of the earth
Answer:
Earthquake cause a massive impact like cracking the grounds and creating a big change in the map and the world
the equilibrium potential for sodium is about 66 mv. if only sodium channels were open in a cell’s plasma membrane, the membrane potential would be
Answer: b. About +66 mV
Explanation:
what is a simple system?
If you detect evidence for some gene flow between the diverging types sometime during the speciation process, which form(s) of speciation can you exclude? - reinforcement - allopatric - sympatric - allopatric and sympatric - allopatric and reinforcement
Reinforcement can be excluded amongst the given forms of speciation as it will not allow any gene flow to occur.
In allopatric speciation, the species belonging to the different populations are separated through a geographic barrier. Geographic barrier can basically denotes any barriers provided by the environment like the river, lake etc. Whereas, sympatric speciation involves no physical barriers and the individuals are in close proximity with each other.
Both allopatric and sympatric speciation allow gene flow to occur. Reinforcement causes complete reproductive isolation and hence does not allow any gene flow to occur. No gene flow among the diverging types will be observed during reinforcement.
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Labeling the human Skeleton system and labeling nervous system
Completed! Finnnnnnnnn
Gibberellins are hormones produced in the root tips of plants
The other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
How gibberellins able to affect other parts of the plant?Gibberellins stimulate the growth of shoots which increase in the biomass and vegetative growth of plant. If vegetative growth increases, the root biomass is also increases.
So we can conclude that other parts of plant are also affected due to gibberelin because it stimulate the growth of shoots which is the upper portion of the plant.
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if a mutation stops the ability for pepsinogen to respond to the presence of pepsin, what would happen to pepsin production
If a mutation stops the ability for pepsinogen to respond to the presence of pepsin, pepsin production will be reduced.
Pepsinogen is a proenzyme, or inactive precursor, of pepsin that is synthesized in the chief cells in the stomach. Pepsinogen is transformed into pepsin, a proteolytic enzyme that is active in acid environments such as the stomach, by the action of hydrochloric acid (HCl).
Pepsinogen is converted to pepsin, a more potent form of the enzyme, in the presence of an acidic pH of 2 or less, which denatures the protein that covers the active site on the pepsinogen molecule. HCl is produced by the parietal cells in the gastric glands of the stomach lining, and the secretion of both HCl and pepsinogen is stimulated by the presence of food or other digestive stimuli.
Because the enzyme is a precursor to pepsin, it is critical to the digestion process. Pepsin is critical for breaking down proteins in the stomach. Without pepsin, proteins would be broken down to a lesser extent, which might affect the absorption of nutrients. As a result, pepsinogen is vital to the digestive process and must be functioning properly.
Hence, If a mutation stops the ability for pepsinogen to respond to the presence of pepsin, pepsin production will be reduced.
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What are the parts inside the cell?
Answer: these are diffent things in a cell
Explanation:
Plasma membrane, channel / pores, cell wall and plasmodesmata, septum and pores, cell capsule, nucleus, DNA, nucleoid, plasmid, endoplasmic reticulum, ribosomes, Golgi complex, mitochondrion, chloroplast only found in plants, vesicles, peroxisomes, lysosomes, vacuole, microtubule, microtubules, cytoskeleton, cytoplasm, bacterial pili, and flagellum
Among women in their 30s from low income backgrounds, frequent, escalating use of marijuana has been linked to changes in neural circuitry.
Among women in their 30s from low-income backgrounds, frequent and escalating use of marijuana has been linked to changes in neural circuitry.
Several studies have found an association between chronic marijuana use and alterations in brain structure and function. Specifically, in the context of women in their 30s from low-income backgrounds, frequent and escalating use of marijuana has been associated with changes in neural circuitry. These changes have been observed in various brain regions, including the prefrontal cortex, hippocampus, and amygdala, which are involved in cognitive processes, memory, and emotion regulation.
It is important to note that the specific mechanisms underlying these changes and their implications for cognitive and emotional functioning are still being investigated. While research suggests an association between chronic marijuana use and neural alterations, it is crucial to consider other factors that may contribute to these changes, such as co-occurring substance use, genetic predispositions, and environmental influences.
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which phase makes up about 90% of the cell cycle?
The phase that makes up approximately 90% of the cell cycle is interphase which is a crucial period where the cell grows, carries out its normal metabolic activities, and prepares for cell division.
It consists of three distinct sub phases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2). During G1 phase, the cell grows and performs its regular functions.
In the S phase, DNA replication takes place, ensuring that each daughter cell will receive a complete set of genetic material.
G2 phase involves further growth, preparation for cell division, and the synthesis of necessary proteins.
Collectively, these subphases account for a significant portion of the cell cycle. The remaining 10% is dedicated to mitosis (M phase), where the actual cell division occurs, followed by cytokinesis, the physical separation of the cytoplasm into two daughter cells.
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one way the emperor pachacuti unified his empire was to force the conquered to adopt group of answer choices
Emperor Pachacuti, a famous ruler of the Inca Empire, was able to unify his empire in a variety of ways. One of these ways was to force the conquered people to adopt Inca culture. This is a particularly effective method of unification since it would make the conquered people feel like they are part of the greater whole.To make the conquered people adopt Inca culture, Pachacuti instituted a series of reforms. He began by ensuring that everyone spoke the same language, Quechua. This allowed people from all parts of the empire to communicate with each other more easily. He also created a uniform legal system, which helped to bring law and order to the empire.Pachacuti also made sure that everyone worshiped the same gods. The Inca religion was polytheistic, which means that they worshiped many gods. By making everyone worship the same gods, Pachacuti was able to create a sense of unity among the people of the empire.Finally, Pachacuti made sure that everyone wore the same clothing. The Inca clothing was made of wool and cotton and was designed to keep people warm in the cold Andean climate. This helped to create a sense of unity among the people since everyone was wearing the same clothing.So, the way Emperor Pachacuti unified his empire was to force the conquered to adopt Inca culture.
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In your own words, describe what Endosymbiosis means.
Answer:
An organisum that lives inside.
Explanation:
noun. a type of symbiosis in which one organism lives inside the other, the two typically behaving as a single organism. It is believed to be the means by which such organelles as mitochondria and chloroplasts arose within eukaryotic cells.
The ancient fish fossils were dated using C-14. If 1/16 the original amount of C-14 remains in the skeletons, approximately how old are the fish? A) 15,000 years B) 17,000 years C) 22,800 years D) 45,600 years
The ancient fish fossils were dated using C-14. If 1/16 the original amount of C-14 remains in the skeletons, approximately how old are the fish?
If 1/16 the original amount of C-14 remains in the skeletons, the amount of C-14 remaining is less than 100. Since the half-life of C-14 is 5730 years, and the C-14 remaining is 1/16 of the original amount, the fish fossils are more than 100 years old.Option A, B, and C are less than 45,600 years, therefore they can be eliminated. Hence, option D, 45,600 years is the most appropriate answer to this question.
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what are the limitations of coal
Answer:
The major disadvantage of coal is its negative impact on the environment. Coal-burning energy plants are a major source of air pollution and greenhouse gas emissions. In addition to carbon monoxide and heavy metals like mercury, the use of coal releases sulfur dioxide, a harmful substance linked to acid rain.
Explanation:
Prior to 2017 what is the number of loci that were performed and sent to the national database
Prior to 2017, the number of loci that were performed and sent to the national database was approximately 6,000. These loci, also known as DNA markers, were used to identify individuals and determine their ancestry or relationship to others.
The process involved taking a small sample of DNA from a person's cheek or other tissue, and then analyzing that DNA using a technique called restriction fragment length polymorphism (RFLP). The results of the analysis were then added to the national database, which was used for a variety of purposes, including forensic investigations, genealogy research, and medical research.
The use of DNA markers for these purposes has since expanded and improved, and today there are many more loci being analyzed and added to the database on a regular basis.
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Arrange the three kinds of nitrogenous wastes based on the energy required to synthesize them, beginning with the waste product that requires the least energy input.
1. ammonia
2. urea
3. uric acid
the three kinds of nitrogenous wastes based on the energy required to synthesize them are arranged; Ammonia < urea < uric acid.
Nitrogenous wastes are the nitrogen compounds that organisms use to get rid of excess nitrogen. Ammonia, urea, and uric acid are the most common nitrogenous wastes that animals excrete. Protein metabolism generates all of these nitrogenous wastes.
Ammonia is the most toxic of these nitrogenous wastes, and it is the most common but requires the least energy. Urea is more harmful than uric acid, but it is less harmful than ammonia, reducing the amount of energy required to synthesize it. Uric acid is the least harmful, a non-poisonous particle with four nitrogen molecules. This is useful for birds and reptiles that lay hard eggs because it eliminates the most nitrogen, uses the least amount of water, and is not toxic. It also takes the most energy input.
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the dates shown in the diagram above refer to the ages of..
A original material
B trace fossils
C igneous rock layers
D sedimentary rock layers
A 43-year-old woman comes to the emergency department with a 5-hour history of right upper quadrant pain, fever, nausea, vomiting, and anorexia. She says she began experiencing these symptoms shortly after eating at her favorite fast food restaurant. Her temperature is 38.8C (101.8F). Palpation of the abdomen shows voluntary guarding. Laboratory studies shows leukocytosis with a left shift. Which of the following is the most likely diagnosis?
A. Acute cholecystitis
B. Acute pancreatitis
C. Appendicitis
D. Peptic ulcer disease
Based on the given clinical presentation, the most likely diagnosis is Acute cholecystitis (Choice A).
Acute cholecystitis is inflammation of the gallbladder and is commonly associated with gallstones obstructing the cystic duct. The symptoms typically include right upper quadrant pain, fever, nausea, vomiting, and anorexia. The pain may be precipitated or worsened by fatty meals. Voluntary guarding and leukocytosis with a left shift (increased number of immature white blood cells) are consistent with the inflammatory process.
Acute pancreatitis (Choice B) usually presents with severe epigastric pain that radiates to the back, nausea, vomiting, and elevated serum amylase and lipase levels. Appendicitis (Choice C) typically presents with right lower quadrant pain, fever, and rebound tenderness. Peptic ulcer disease (Choice D) may cause epigastric pain, but it is less likely to present with right upper quadrant pain, fever, and leukocytosis.
Therefore, based on the given symptoms and findings, Acute cholecystitis is the most likely diagnosis. However, further diagnostic evaluation, such as imaging studies, would be necessary to confirm the diagnosis
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what sudden illness is usually caused by a blockage of blood flow to the brain?
What are some water pollution management strategies, what do you think is the best one and why?
Answer:
There are plenty of things that we as individuals can do to slow down the amount of pollution going into the ocean, these could include not flushing anything down the toilet that won't disintegrate (because no matter where you live, all toilet pipes lead to the ocean), converting plastic use to reusable materials; this could include using reusable straws, water bottles, shopping bags, etc. and of course, when you need to throw plastic out, always recycle. :)
Explanation:
I believe the best way an individual can help the oceans is by converting plastics to reusable or at least eco-friendly products. If everyone made a conscious effort to do this, the oceans would be MUCH clearer.
Hope this helps!
The nonpolar tails of a phospholipid are *attracted* to water
True Or False
(stuck, i think its true)
what are the differences between a type ii restriction enzyme, such as ecori, and a type iis restriction enzyme, such as bsal?
The cleavage-catalyzing and DNA-recognition amino acids in Type IIP restriction enzymes are combined into a single protein domain that is inefficiently subdivided. In contrast, they are divided into distinct domains in Type IIS enzymes and connected by a brief polypeptide connector.
An isolated bacterial protein known as a restriction enzyme cleaves DNA at sequence-specific locations to create DNA fragments with a known sequence at either end. For several laboratory techniques, such as genetic engineering and recombinant DNA technologies, restriction enzymes are essential.
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I need help!! What is the net force image
10n ——
5 N ——
—— 10N
——5N
i think it is 5 n ----- because 10 n is 5 more than 5n