Answer:
The folded structure at that region of the primary sequence of a protein that contains proline will have an alpha helix at that .
Explanation:
Amino acids that feature a side chain with a cyclic ring system are known as aromatic amino acids.
Histidine, as well as proline,as well as proline, are two well known examples of aromatic amino acids.
These side chains of such amino acids used to make a protein determine the shape of the protein.
Alpha helices were created at that site when proline was present in the amino acid's main sequence.
As a result, an alpha helix would indeed be present within the folded structure of such a proline-containing protein's main sequence.
Amino acids' primary purpose is to act as that of the components that make up proteins. About Fifty to 2,000 amino acids are normally linked end to end in several configurations to form proteins. Each protein contains a different set of amino acid sequences that are folded and bent in a certain way.
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Which disease is caused by a bacteria that resides in the soil, can create spores under certain environmental conditions, and is primarily a disease of animals?
Anthrax is a bacteria that resides in the soil, can create spores under certain environmental conditions and is primarily a disease of animals.
Anthrax is an infectious disease most commonly found in cattle, sheep, and goats. It is transmitted by feed or water with spores and the symptoms start to occur after 7 to 8 days.
These infections enter through cuts or abrasions on the skin. At first, a bump appears on the skin and then a 3-centimeter wide ulcer. Humans can also contract anthrax if they stay in constant touch with infected animals.
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The client has been diagnosed with cutaneous anthrax in a cut on the right hand. what measure should be implemented by the nurse to prevent further spread of the disease?
Standard precautions should be implemented by the nurse to prevent further spread of the disease
What is Cutaneous anthrax ?The most prevalent and regarded least hazardous type of anthrax infection is cutaneous anthrax. Typically, an infection appears one to seven days following exposure. Cutaneous anthrax can occur when anthrax spores enter the skin, typically through a cut or scrape.
People who handle contaminated animal items including wool, bone, hair, and hide are most likely to contract anthrax. When bacteria enter a skin cut or scratch, an infection develops. Some anthrax infections are brought on by inhalation (lung) of the bacteria's spores.Learn more about Cutaneous anthrax here:
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Your study group is trying to identify differences in the four levels of protein structure. the secondary structure but not the tertiary structure is stabilized by:________
Long polypeptide chains can fold or coil to create secondary structure. By means of hydrogen bonds, these secondary structures are created and kept in place. There are two different kinds of secondary structures:
(i) Helix: The chain is spirally wound in this shape, usually with the right hand. The carboxylic acid of one amino acid and the amino group of the following fourth amino acid form a hydrogen bond, which stabilises the helix.
(ii) Pleated sheets – In this, an intermolecular hydrogen bond is used to connect two or more chains.
What is Protein ?An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds. All living things contain proteins, which are the building blocks of numerous vital biological substances like enzymes, hormones, and antibodies.
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In the _____ cell signaling mechanism, the chemical messenger acts upon the cell producing the signal.
In the autocrine cell signaling mechanism, the chemical messenger acts upon the cell producing the signal.
Autocrine signaling is the process in which the chemical messenger secreted by a cell binds to the receptor pf the same cell and therefore, some change occurs in the cell. The example of this signaling is the T-lymphocyte proliferation, upon entry of foreign pathogen t cell can stimulate its own proliferation.
Chemical messenger are the molecules that are function to carry some signal or message from one part of the body to another. The examples of chemical messengers are the hormones, ligands, neurotransmitters, etc.
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Why do temperatures
in the mesosphere decrease as altitude increases?
It is due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission.
What is mesosphere?Between 30 and 50 miles above the surface of the Earth, or 50 to 80 kilometers, is the mesosphere, a region of the upper atmosphere. The highest temperature in the stratosphere at which the mesosphere is regarded as existing is known as the stratopause, which separates the two areas.
What are the 5 layers of the atmosphere give its characteristics?The graphic below illustrates how the layers of the atmosphere can be separated based on temperature. The troposphere, stratosphere, mesosphere, and thermosphere are those layers. The exosphere is a different zone that starts roughly 500 km above the surface of the Earth.
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Chondrocytes are to cartilage as osteocytes are to:_____.
a. blood.
b. bone.
c. fat.
d. skin.
Chondrocytes are to cartilage as osteocytes are to bone.
Division of fishesFishes are divided into three major groups. These are:
AgnathaChondrocytes OsteocytesAgnathas are fishes without jaws, such as lampreys and hagfish.
Chondrocytes are cartilaginous fishes. They include sharks and the giant sting ray.
Osteocytes are the bony fishes. They include tilapia and other fishes that have bones as opposed to cartilage.
Thus, Chondrocytes are to cartilage as osteocytes are to bones.
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Enrico's biological parents were both musicians, so he was born with a(n) __________ that included exceptional musical ability, but because he was
Genotype
Enrico's biological parents were both musicians, so he was born with a genotype that included exceptional musical ability, but because he was never exposed to musical instruments or instruction when he was adopted, he never developed his musical ability.
What is a genotype?The term "genotype" broadly refers to an organism's genetic make-up; in other words, it characterizes an organism's whole gene pool. The phrase can also be used to describe to the alleles, or different forms of a gene, that an organism carries in a more specific meaning.What are the three genotype types?There are three different genotype types: homozygous dominant (PP), homozygous recessive (PP), and heterozygous dominant (Pp).What does a human genotype entail?A person's genotype is made up of all the alleles they have for a certain gene. The sum of a person's attributes or observable characteristics is their phenotype. The phenotype of an organism is only impacted by its genotype, which is directly inherited from its parents.To learn more about genotype visit:
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A college campus including the students, birds, trees, sidewalks, and air makes up one complete ________. community ecosystem population organism
A college campus including the students, birds, trees, sidewalks, and air makes up one complete ecosystem.
Ecosystem consist all the plants and animals living in an area along with their environment in other words biotic and abiotic component of the environment together consist ecosystem.
Ecosystem can be of various types- Forest ecosystem, grassland ecosystem, desert ecosystem and tundra ecosystem.
An area that has its own flora and fauna and are constantly interacting with each other can be considered as ecosystem.
Hence a college campus including the students, birds, trees, sidewalks and air can makes up an ecosystem.
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Abnormal levels of __________ may lead to schizophrenia and parkinson’s disease. a. gaba (gamma-aminobutyric acid) b. glutamate c. serotonin d. dopamine please select the best answer from the choices provided a b c d
Answer:
The answer is D. Dopamine.
Explanation:
A neurotransmitter generated in the region of the CNS is called dopamine (CNS).This is a hormone which brain produces that permits neurons to link, which is crucial for the body's neuro-muscular activity. Parkinson is caused by the bulk of the dopamine-producing cells being destroyed, which results in an inability to regulate one's voluntary movements; schizophrenia is caused by an overabundance of dopamine.
It affects a variety of vital bodily processes, such as mobility, memory, rewarding pleasure, and motivation. Numerous neurological & mental health conditions are correlated to dopamine levels that are high or low.
Humans can experience pleasure, happiness, and motivation due to dopamine. When you accomplish something, your brain releases more dopamine, which makes them feel happy.
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This hearty component of the hair houses the melanin pigments and provides most of the hair's strength: ________
This hearty component of the hair houses the melanin pigments and provides most of the hair's strength is keratin.
What is melanin?
Melanin is the component present in the body and the main function of melanin is to provide color or complexion to the skin. The skin which contain more melanin is having dark skin color and the skin that contains less melanin contain fair skin.
More melanin in the body will help to protect from rays of the sun and it also prevents from skin cancer and person with less melanin has more chance to get affected by skin cancer.
The main function of melanin is to provide hair and color pigmentation to the body. Keratin is a substance that provides strength to the hair and make hair long and strong.
Therefore, This hearty component of the hair houses the melanin pigments and provides most of the hair's strength is keratin.
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Unlike other conifers, pine trees produce ____. multiple choice question.
A. seeds within fruits
B. multicellular pollen grains
C. leaves in clusters
D. secondary vascular tissue
Unlike other conifers, pine trees produce leaves in clusters.
What are conifers?Conifers refers to those plants the bear their seeds in cones. They have seed bearing cones and one of the unique things about the pine tree is that it is an evergreen tree and maintains its green color throughout the year.
The conifers often have their leaves reduced to spines. The conifers produce softwood and are an important source of resins and turpentine. They are a common source of shrubs especially in tropical areas.
However, there is something that is unique to the pine tree among all the other conifers. Unlike other conifers, pine trees produce leaves in clusters.
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You hae given responding paramedics a handoff report regarding your patie twho has signs and sumtpoms of an infectious disease. when documenting the incident you should:_________
You have given responding paramedics a handoff report regarding your patient who has signs and symptoms of an infectious disease. when documenting the incident you should Give a thorough summary of your evaluation results, the treatments you received, and any relevant medical history.
What is paramedics?A paramedic is a licensed member of the medical community who has the option of specializing in clinical practice, instruction, leadership, or research. They function on their own in many health and care contexts. A paramedic is a healthcare professional who specializes in providing emergency care. They are not medical experts like physicians, nurses, or physician assistants. The term "paramedic" is a compound word. Both "para" and "medic" are terms for physicians. Paramedics respond to emergencies often in an ambulance or other emergency vehicle and provide any necessary medical care immediately away. They could continue to administer medical care to keep patients as stable as possible while being transported to a hospital or other medical institution.
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Eukaryal proteins that are secreted outside of the cell undergo modification before secretion. which organelles are involved in this secretion pathway?
The organelles that are involved in this secretion pathway are endoplasmic reticulum and Golgi apparatus.
What is meant by secretory pathway?
The endoplasmic reticulum, the Golgi apparatus, the vesicles that move between them, the cell membrane, and the lysosomes are all parts of the secretory pathway. It is known as a "secretory pathway" since it is how the cell releases proteins into the extracellular space.
Normally, secretory proteins move from the endoplasmic reticulum to the Golgi and then to the plasma membrane, where they are released into the extracellular environment. However, many substrates also travel to these locations by improbable routes.
Question :
Eukaryal proteins that are secreted outside of the cell undergo modification before secretion. Which organelles are involved in this secretion pathway?
a) the mitochondria and endoplasmic reticulum
b) the mitochondria and Golgi apparatus
c) the endoplasmic reticulum and Golgi apparatus
d) the endoplasmic reticulum and lysosome
e) the lysosome and mitochondria
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The principle of uniformitarianism states that sedimentary rocks are deposited in horizontal layers. True or false?.
The principle of uniformitarianism does not state that sedimentary rocks are deposited in horizontal layers. So the statement is false.
What is the principle of uniformitarianism?Grasp Earth's history requires an understanding of uniformitarianism. However, uniformitarianism was not the dominant idea before 1830. Up until that point, experts believed in catastrophism.
According to catastrophe theory, the landforms that can be seen on Earth's surface, such as mountains, were created by sudden, drastic changes, or catastrophes. Uniformitarianism's detractors may use the term "no-analog alterations" when speaking of historical climates.
According to this theory, there may not be communities or environmental factors present on Earth now that existed in the past. In the end, James Hutton and Charles Lyell's observations and research led to a challenge to the catastrophism theory. Hutton (1726–1797) was a farmer and naturalist from Scotland.
Therefore the statement is false.
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What feedback mechanisms help you regulate your body temperature?
Answer:
It would be negative feedback.
Explanation:
The reason negative feedback is the type of feedback mechanism that helps you regulate your body temperature is because it reduces excessive responses and keeps a variable within the normal range.
Because muscle contractions often need to happen quickly, they are controlled via _____________ receptors.
Because muscle contractions often need to happen quickly, they are controlled via ionotropic receptors.
What is ionotropic?
A class of transmembrane ion channels known as ionotropic receptors respond to the binding of a chemical messenger (ligand), such as a neurotransmitter, by opening or closing the channels. Endogenous ligands often attach to LGIC protein complexes at an allosteric binding site, which is situated on a separate part of the protein than the ion conduction pore. The ion channel's activity is controlled by a ligand, and it typically exhibits high selectivity for one or more ions, such as Na+, K+, Ca2+, or Cl-.
Nicotinic acetylcholine receptors are the standard example of ligand-gated ion channels. It is made up of five protein subunits called pentamers, each of which has two cholinergic binding sites that, when occupied, change the receptor's structure and allow an internal pore to open.
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Which capillary type is the leakiest and has specialized cells known as kupffer cells associated with them?
Sinusoid (Discontinuous) Capillaries
A unique variety of capillary, sinusoid capillaries are present in the endothelium and have quite big, open holes.
There are sinusoid blood veins in the lymph nodes, the adrenal glands, and even the bone marrow. Some cells do not have tight connections between them; these cells are typically found in the liver and spleen.
These tiny blood arteries, referred to as sinusoids, contain open pores as opposed to the continuous and fenestrated forms of capillaries. Contrary to sinusoid capillaries, which lack a diaphragm and only contain an exposed open pore, fenestrated capillaries have diaphragm-like structures that cover the pores.
The permeability of the capillary is increased by these open pores, and this permeability allows albumin and other small- and medium-sized proteins to enter and leave the bloodstream.
What are Kupffer cells used for?
Kupffer cells, sometimes referred to as stellate macrophages and Kupffer-Browicz cells, are specialized cells found in the liver's sinusoids lumen and are adhering to the endothelial cells that make up the blood channel walls. The majority of tissue-resident macrophages in the body are found in kupffer cells.
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The use of microbial metabolism to remove or neutralize human waste and industrial pollutants is known as?
The use of microbial metabolism to remove or neutralize human waste and industrial pollutants is known as Bioremediation.
Bioremediation- A subfield of biotechnology called "bioremediation" uses living things like bacteria and microorganisms to clean up contaminated environments. It is used to clean up poisons, pollutants, and other contaminants from water, soil, and other habitats.
Microbial Metabolism- A microorganism receives the energy and nutrients (such as carbon) it needs to survive and reproduce through microbial metabolism.
Industrial pollutants- Sulfur dioxide, volatile organic solvents, and particulate particulates, such as metal dust, are the main industrial pollutants that have an impact on air quality. Dioxins and other dangerous chlorinated chemicals can be produced when garbage, especially plastics, are burned.
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A carbohydrate composed of two covalently-bonded simple sugars (monosaccharides) is called a(n)?
A carbohydrate composed of two covalently bonded simple sugars is called a disaccharide.
Carbohydrates or sugars are one of the four main categories of the macromolecules that make up living things (the other three being nucleic acids, proteins and lipids). It can either be a simple sugar (sugar monomer or monosaccharide) or a polymer of simple sugars.
Carbohydrates are composed entirely of carbon, oxygen and hydrogen atoms. Simple sugars or monosaccharides contain six carbon atoms, twelve hydrogen atoms and six oxygen atoms. When two monosaccharides bond covalently, they form a disaccharide.
Some examples of disaccharides include:
Sucrose or table sugar - It is made up of one glucose molecule and one fructose moleculeLactose or milk sugar - It is made up of one glucose and one galactose moleculeMaltose or malt sugar - It is made up of two glucose molecules.Learn more about carbohydrates here:
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Which method of achieving an erection is least likely to require the brain's involvement? group of answer choices
Tactile stimulation of the male reproductive organ method of achieving an erection is least likely to require the brain's involvement.
Tactile Stimulation- The senses of touch and texture are involved in tactile sensory activation. Children with tactile sensory difficulties, such as those who are autistic, may find it difficult to tolerate the sensations that are produced when they dress, groom themselves, or even chew food.
Why is tactile stimulation important?
Particularly in the early years of life, touch is essential for the growth and development of the brain. The brain does not expand to a normal size and the connections between neurons do not develop correctly without sufficient tactile input early in infancy.
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Which subdiscipline in biology is the study of whole sets of genes and their interactions?
Genomics
Genomics is the subdiscipline in biology that is study of whole sets of genes and their interactions.
What distinguishes genomics from genetics?Genetics is the study of individual genes, while genomics is the study of the entire genome, or all of an organism's genes, interactions among those genes, and how the environment affects those genes, according to the National Human Genome Research Institute (NHGRI). Why is there a need to study genomics?Scientists may now study the genetic diversity of human populations thanks to genomics. When people think about population genetics, they frequently picture wild creatures being carried away by natural disasters, soil erosion, or predators.What kinds of genomics are there?Determine the structure of each protein encoded by the genome using structural genomics. The goal of functional genomics is to gather and use data from sequencing to describe the functions of genes and proteins. The goal of comparative genomics is to contrast the genetic characteristics of several species.
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The specific gravity of a mineral is that mineral's ______ compared to that of freshwater.
The specific gravity of a mineral is that mineral's density compared to that of freshwater.
Specific gravity is the ratio between the density of an object and the density of a reference substance (water).
The density of an object is the relation that exist between the mass and the space that the object occupies. Its general formula is: ρ = m/v
Where:
v= volumeρ= densitym= massThe specific gravity value tells us whether the object will sink or float in our reference substance (water), its general formula is:
specific gravity = density of the object/ density of water
What is density?It is a physical quantity that expresses the ratio of the body mass to the volume it occupies.
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What part of the desmosome attaches cells to each other across intercellular spaces?
Tight junctions desmosome attaches cells to each other across intercellular spaces
Not all junctions between cells produce cytoplasmic connections. Instead, tight junctions create a watertight seal between two adjacent animal cells.
What is a Cell Junction ?A family of cellular structures known as cell junctions (or intercellular bridges) is made up of multiprotein complexes that allow contact or adhesion between adjacent cells or, in animals, between a cell and the extracellular matrix.
Cell junctions connect cells inside tissues and control tissue homeostasis in vital cell functions such as migration, proliferation, and function of the tissue barrier.Occludin, members of the claudin family, JAMs 1-3, cingulin, and linker proteins from the ZO family are all components of tight junctions and are responsible for binding the aforementioned proteins to one another or to the actin cytoskeleton. VASP has been identified as a component of the zonula occludens-1 (ZO-1) protein complex in both endothelial and epithelial cells.Learn more about Cell junction here:
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Why is it important that the inside of a lysosome have a lower ph than the surrounding cytoplasm in the cell?
It important that the inside of a lysosome have a lower ph than the surrounding cytoplasm in the cell
Because the low pH of the lysosome aids in the breakdown of the waste material, it has a lower pH than the cytoplasm.
The lysosome is an organelle that is known as the suicid_e bag of the cell because it bursts when the cell needs to deteriorate, and the acidic pH in the lysosome causes the entire cell to be digested and cause it to break down.
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Which type of consumer does photosynthesis: heterotrophs or autotrophs?
Answer:
Explanation:
Another major difference between autotrophs and heterotrophs is that autotrophs have an important pigment called chlorophyll, which enables them to capture the energy of sunlight during photosynthesis, whereas heterotrophs do not.
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Fiber is a polysaccharide that gives plants their structure, and the bonds that hold the fiber molecules together are difficult to digest by the human body. Fiber plays an important role in a healthy diet by promoting healthy passage of stool and by helping to prevent many digestive and chronic diseases. True or false?.
Answer:
True.
Explanation:
Fiber is essentially a form of carbonate that the body cannot digest. As opposed to other types of carbohydrates, they do not break down into sugar molecules. It plays a significant part in a balanced diet and supports in the management of the body's utilization of sugar by promoting the proper movement of stools, which, if left in the system, can lead to digestive as well as chronic disorders. Soluble fibre, in particular, decreases cholesterol and blood sugar levels, preventing diseases including obesity, diverticular disease, diabetes, or cancer.
Beans, lentils, whole grains, vegetables, and other foods all contain fibre. To maintain general health, take between 20 and 30 grams of it each day.
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Persons with __________ blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibody anti-b in their plasma.
Persons with O blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibody anti-b in their plasma.
ABO blood grouping was discovered by Austrian scientist Landsteiner. It consist of four blood groups- A, B, AB, & O.
Red blood cells have certain extension of the proteins that are called antigen. Two types of antigens are there antigen a & b. The RBCs which have a particular antigen will not have the antibody against the same.
Blood Group A has antigen A and antibody B. Blood group B has antigen B and antibody A. Blood group AB has both antigen and no antibodies while blood group O has no antigen and antibody A & B.
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when mendel crossed a plant homozygous for round seeds to another plant homozygous for wrinkled seeds, he found that all the progeny had round seeds.
When Mendel crossed a plant homozygous for round seeds to another plant homozygous for wrinkled seeds, he found that all the progeny had round seeds. This happened because the allele for round seed is dominant over the allele for wrinkled seeds.
Homozygous is the condition of genotype where the pair of alleles are of the same type. These alleles are present in the same locus of the sister chromatids. Presence of homozygosity is necessary for expressing the true-breeding line of any organism.
Dominant alleles are those that have the ability to mask up the effect of another allele. Such alleles can express their character even during heterozygous condition where only one such allele is present.
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Helminths are:_________
a. molds.
b. protozoa.
c. infectious
d. particles.
e. parasitic worms.
bacteria.
Helminths are parasitic worms.
Parasitic Worms- Large macro-parasites called helminths, or parasitic worms, are typically visible as adults to the unaided eye. Many are soil-transmitted intestinal worms that infect the gastrointestinal system. Schistosomes and other parasitic worms live in blood vessels.
Gastrointestinal system- The alimentary canal, often known as the digestive system, is the body's mechanism for ingesting food and expelling solid waste. The mouth, throat, esophagus, stomach, small intestine, large intestine, and anus are all parts of the gastrointestinal system.
Helminths- Invertebrates known as helminths have elongated, flat, or circular bodies. Flukes and tapeworms are considered flatworms, often known as platyhelminths (platy is a Greek word that means "flat").
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An interdisciplinary science involving biologists, chemists, and biochemists in the study of genes and the proteins they encode is called ______.
Molecular biology is an interdisciplinary science that involves biologists, chemists, and biochemists in the study of genes and the proteins they encode.
In Molecular biology, we read mostly about the nucleic acids (DNA & RNA) and proteins which are essential for life processes. This emerged as a different field in the 1930s and developed out of biochemistry, genetics, and biophysics and today it remains closely associated with these fields only. Its application is used in the materials industry, in the development of new energy sources, in forensic engineering, and in improvement of the food and energy industry. It helps in collecting and understanding data on the genome sequence of living organisms.
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