Answer:
Produced and Secreted by the ovaries
What do all of the enzymes unique to glycolysis and gluconeogenesis have in common?
Answer:
Two key enzymes that regulate irreversible steps in these two processes are pyruvate kinase (PK) and phosphoenolpyruvate carboxy kinase (PEPCK), which catalyze the last and first step of glycolysis and gluconeogenesis, respectively, and are both regulated by lysine acetylation
Explanation:
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Which body system is NOT primarily responsible for maintaining the fluid, electrolyte, and acid-base balance
The nervous system is a body system that is NOT primarily responsible for maintaining the fluid, electrolyte, and acid-base balance.
What is the nervous system?The nervous system is a body system that acts to transmit different signals such as neurotransmitters and electrical stimuli across parts of the body.
The nervous system is composed of the cerebrum (i.e., the brain) and also the spinal cord, which is connected to the peripherical nerves and sends information to the body muscles.
In conclusion, the nervous system is a body system that is NOT primarily responsible for maintaining the fluid, electrolyte, and acid-base balance.
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The ____ nucleus of the thalamus is associated with pain perception of the body. group of answer choices
The ventral posterior nucleus of the thalamus is associated with pain perception of the body. group of answer choices.
The ventral posterior nucleus is the somato-sensory relay nucleus in thalamus of the brain. As the name suggests, this nucleus is located in the ventral part of the posterior thalamus. It is lateral to another part of the somatosensory thalamus, the ventral posterior medial (VPM) nucleus. The ventral posterolateral nucleus collect information for pain, temperature and crude touch via the spinothalamic tract. The ventral posteromedial nucleus receives sensory information from the face via the trigeminal nerve.
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Which is abiotic?
tree sap
insect
sunlight
tree stump
Answer: C: Sunlight
Explanation:
Edge 2022
Answer:
C
Explanation:
The majority of the nutrients in
the ocean comes from which
source?
A. from tsunamis
B. from nutrients that wash into the ocean from the continents
C. from the atmosphere
Answer: B
Explanation:
The nutrients that wash off of the continents (waste products, sediment) are often rich in essential minerals to plankton and other microscopic aquatic life, which in turn are the base of the marine food chain.
Tsunamis are too infrequent and do not dredge up any sediment most of the time, and C is not correct because nutrients don't just rain from the sky.
A person's original chromosomes and their component genes constitute that person's :_______
a) genotype.
b) allele.
c) phenotype.
d) autosomal inheritance.
e) locus.
A person's original chromosomes and their component genes constitute that person's genotype (Option a is correct).
What is a genotype?A genotype can be defined as the genes and their variant (alleles) contian in a given nucleotide sequence of DNA, which can be represented by a linear chromosome.
The genotype may contain only a few genes in small chromosomes (e.g., plasmids) or many genes in linear human chromosomes (over more than 1000 genes).
In conclusion, a person's original chromosomes and their component genes constitute that person's genotype carried out by the individual and his/her cells (Option a is correct).
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Glycogen is defined as a storage form of glucose, manufactured and stored in the body’s?
Answer:
Liver and Muscles
Explanation:
When the body doesn't need to use the glucose for energy, it stores it in the liver and muscles.
Glycolysis takes place in the ________, and the krebs cycle takes place in the ________
Glycolysis takes place in the cytoplasm, and the Krebs cycle takes place in the mitochondria of the cell.
Glycolysis is an anaerobic process. During glycolysis, partial oxidation of glucose occurs, which produces two molecules of pyruvic acid.
Krebs cycle occurs in the mitochondrial matrix. It is an aerobic process which produces Carbon dioxide after complete oxidation of pyruvic acid that is made up during glycolysis.
The pyruvate formed by the reduction of glucose in the glycolysis is broken down into acetyl-CoA which then enters the Krebs cycle and condenses with oxaloacetate to form citrate. One pyruvate molecules yields 15 ATP and therefore, two pyruvate molecules lead to the production of 30 ATP.
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How do the unsaturated fatty acids in phospholipids affect the structure of cell membranes?
Unsaturated fatty acids are a component of the phospholipids in cell membranes and help maintain membrane fluidity. The Phospholipids contain a variety of unsaturated fatty acids, when compressed, the “kinks” in their tails push adjacent phospholipid molecules away, that helps in maintain fluidity in the membrane. Unsaturated fatty acids have at least one double bond, creating a "kink" in the chain, the absence of double bonds decreases fluidity, making the membrane very strong and stacked tightly.
The ratio of saturated and unsaturated fatty acids determines the fluidity in the membrane at a temperature, at appropriate temperatures the phospholipids have enough kinetic energy to overcome the intermolecular forces holding the membrane together, which increases membrane fluidity.
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Austin and Marissa hypothesize that coneflower stomata use feedback loops to respond to moisture levels by opening when there is moisture present, and closing when there is no moisture present. Which BEST describes the setup they should use to support their hypothesis?
A
Austin and Marissa should observe the number of closed stomata on one leaf, mist the leaf with water, wait one hour, and count the total number of stomata.
B
Austin and Marissa should observe the number of stomata on one leaf, mist the leaf with water, wait one hour, and count the number of stomata that have grown.
C
Austin and Marissa should observe the number of open stomata on one leaf, mist the leaf with water, wait one hour, and count the number of open stomata again.
D
Austin and Marissa should observe the number of stomata on one leaf, mist the leaf with water, wait one hour, and count the number of stomata that have disappeared.
Austin and Marissa should observe the number of open stomata on one leaf, mist the leaf with water, wait one hour, and count the number of open stomata again.
In the epidermis of tree leaves and needles, there are cell structures called stomata that play a role in the exchange of water and carbon dioxide between plants and the atmosphere.
Stomata, the tiny pores on the outside of leaves and stalks, control how gases enter and exit leaves and therefore, how plants as a whole function. On all periods, ranging from minutes to millennia, they adjust to regional and global changes.
Guard cells are a pair of specialized epidermal cells that make up stomata. By adjusting the size of the stomatal pore, stomata govern water loss and the exchange of gases between the plant and its surroundings.
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Which pair is incorrectly matching polymer-monomer? nucleic acids - nucleotides proteins - amino acids lipids - monosaccharides carbohydrates – sugar
The pair that incorrectly matches polymer-monomer is lipids-monosaccharides (option C).
What is a monomer?A monomer is a small molecule which can be covalently bonded to other monomers to form a polymer.
A polymer, on the other hand, is a large molecule made up of a chain of many monomeric units, formed by chemically bonding together.
The following are the monomer-polymer combination we have in nature;
Carbohydrates - simple sugar/monosaccharideProtein - amino acidLipids - fatty acidNucleic acid - nucleotideTherefore, the pair that incorrectly matches polymer-monomer is lipids-monosaccharides.
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Imagine a plant with carotenoids but no chlorophyll. which color(s) of light would be most beneficial to the plant?
If a plant with carotenoids but no chlorophyll then caretenoids absorb light at wavelengths around 400-500 nm, in which violet and blue. Energy absorbed by these pigments drive photosynthesis so violet blue light would be most useful to this plant.
The best wavelength of visible light for photosynthesis under blue range is 400-450 nm and in red range is 600 - 700 nm . Plants have other pigment which help the plant in absorption of light that chlorophyll misses.
carotenoids are yellow in color to red pigment presents in almost every leaf that absorb some of the green that chlorophyll can not. carotenoids that fall foliage much of their yellow and orange colors.
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The active fraction of soil organic carbon largely accounts for which of the benefits of adding organic matter to soils?
Water-holding capacity, nutrient mineralization, biological activity, and water and air infiltration rates are the active fraction of soil organic carbon.
By enhancing the physical, chemical, and biological processes in the soil, organic matter contributes significantly to crop productivity and soil health. A soil's structure, water-holding capacity, nutrient mineralization, biological activity, and rates of air and water infiltration all benefit from higher amounts of organic matter.Increased tilth or soil structure is a result of higher soil organic carbon, which increases physical stability. This lowers the risk of erosion and nutrient leaching while increasing soil aeration (the amount of oxygen in the soil) and water drainage and retention. Although it only makes up 10 to 20 percent of the total organic matter in the soil, active organic matter is an essential component because it promotes microbial activity and releases nutrients into the soil.Learn more about soil organic carbon here brainly.com/question/21026038
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What differences did you observe in the structure of an artery versus the structure of a vein?
Arteries Larger, more muscular and more elastic, carry oxygenated blood from the heart, with the exception of the pulmonary artery. The blood has more pressure from the heart. Veins Under less pressure, so valves are needed. They are less strong than arteries and appear more floppy.
Arteries have thick, elastic, muscular walls whereas veins have thin walls with few elastic fibers. Arteries need these properties to give them the strength and elasticity needed to cope with the high pressure surges of oxygenated blood coming from the heart. Veins carry blood back to your heart from the rest of your body. The pressure of the blood returning to the heart is very low, so the walls of veins are much thinner than arteries.
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The plasmodesmata in plants are functionally most similar to which animal cell junction?
select one:
a. desmosome
b. gap junction
c. adherens junction
d. tight junction
Answer:
B.) Gap junction
Explanation:
Plasmodesmata (singular form: plasmodesma) are intercellular organelles found only in plant and algal cells. (The animal cell "equivalent" is called the gap junction.)
Hair texture is determined by the ____________of the individual hair strand. color strength length diameter
Answer:
Diameter of the individual hair
Why p-nitrophenolphosphate → p-nitrophenol is an ideal reaction for this laboratory assay?
Protein, alkaline, and acid phosphatases are all measured using the non-specific, non-proteinaceous substrate known as p-Nitrophenyl Phosphate (PNPP). So, it is an ideal reaction for this laboratory assay.
What is p-nitrophenolphosphate ?In ELISA and traditional spectrophotometric experiments, para-Nitrophenylphosphate (pNPP) is a non-proteinaceous chromogenic substrate for alkaline and acid phosphatases.The hydrolysis of pNPP by phosphatases releases inorganic phosphate and the conjugate base of para-nitrophenol (pNP).The resultant phenolate has a maximum absorbance at 405 nm and is yellow in colour.Alkaline phosphatase (AP) and protein tyrosine phosphatase are two phosphatases that can be measured using this characteristic (PTP).The material needs to be stored in a dark, shielded area because it is light-sensitive. Before reading and after incorporating the substrate into the mixture, this is equally crucial.Learn more about p-nitrophenolphosphate here:
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What can help this rescue dog and firefighters find fearful people and pets stuck in buildings that are on fire? [10]
Distress vocalizations can help this rescue dog and firefighters find fearful people and pets stuck in buildings that are on fire
Distress vocalizations are sounds produced in the presence of painful, stressful, or threatening stimuli.
Mammalian vocalizations are the product of respiratory and laryngeal activities under the direct control of brain stem cranial and spinal motor neurons and modulated by higher brain processes.
Vocalizations offer the further promise of unique informational content about the emotional state of the subject. There is evidence that the form, contexts, and neural processes which modulate distress vocalizations are highly conserved between species.
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What are the 4 ways or mechanisms by which a planet or moon can gain an atmosphere?
Four processes—outgassing, evaporation, sublimation, and surface ejection—can help a planet or moon to gain an atmosphere.
1) Outgassing: The release of a gas that has been dissolved, trapped, frozen, or absorbed in a substance is known as outgassing.
The outgassing that took place as the smaller, inner planets cooled down is likely how they acquired their atmospheres (volcanoes).
2) Evaporation : The process of converting anything from a liquid or solid state to vapors is called evaporation (like fog, mist, or steam).
So upon evaporation, water converts into gas and that's how moon gain an atmosphere by evaporation.
3) Sublimation : Converting a solid directly into a gas without first going through a liquid phase.
4)Surface ejection: A surface ejection is a massive discharge of plasma and magnetic field into the heliosphere from the Sun's corona.
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The constancy of the chromosome number from one cell generation to the next is maintained through.
The constancy of the chromosome number from one cell generation to the next is maintained through Mitosis.
What is mitosis?A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase. The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis.What is the mitotic process?A eukaryotic cell's nucleus divides in two during the process of mitosis, which is followed by the division of the parent cell into two daughter cells. The term "mitosis," which translates to "threads," refers to the chromosomes' appearance as threads when the cell gets ready to divide.What is the phases of the mitosis?prophaseprometaphasemetaphaseanaphasetelophase, and cytokinesis. What is the importance of mitosis?Multicellular creatures depend on mitosis to produce new cells for growth and to replace damaged or worn-out cells, such as skin cells. Mitosis serves as the main asexual reproductive mechanism for a large number of single-celled organisms.To learn more about mitosis visit:
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About how many total atp equivalents are generated by the complete oxidation of one molecule of acetyl coa?
Around 12 ATP equivalents are generated by the complete oxidation of one molecule of acetyl CoA.
Glycolysis begins when glucose enters, producing 2 pyruvate molecules. These pyruvates are subsequently transformed into two molecules of acetyl CoA. With each acetyl CoA that enters the citric acid cycle, three NADH (9 ATP), one FADH (2 ATP), and one GTP are produced (1 ATP). Each mole of acetyl-CoA will therefore yield 12 ATP molecules in total.
Electron transport from the citric acid cycle's energy precursors in step 3 causes oxidative phosphorylation, which phosphorylates ADP to produce ATP. In animals the majority of the energy required in biosynthesis, preserving appropriate ion balance, and mechanical work comes from oxidative phosphorylation.
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If a muscle is provided with a rapid series of threshold stimuli, the process of summation can lead to maximal sustained contraction called:_________
If a muscle is provided with a rapid series of threshold stimuli, the process of summation can lead to maximal sustained contraction called Tetanus.
A state of prolong contraction of a muscle during which the muscle does not rest to its initial length or tension, induced by a rapid succession of stimuli. Tetanus is a medical condition characterized by a lengthy contraction of skeletal muscle fibers, the primary symptoms are caused by tetanospasmin, a neurotoxin produced by the Gram-positive, obligate anaerobic bacterium Clostridium tetani. A tetanus infection requires emergency and long-term supportive care while the disease runs its course. Treatment consists of wound care and medications .
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Which white blood cell phagocytizes microorganisms and becomes a macrophage in the tissue?
Monocytes are white blood cell that phagocytizes microorganisms and becomes a macrophage in the tissue
Monocytes, a subtype of white blood cells, give rise to macrophages. When monocytes travel from the bloodstream to the tissues, they develop into macrophages. A monocyte is a subtype of phagocyte and a type of white blood cell. Enlarge. plasma cells.
White blood cells (monocytes, lymphocytes, neutrophils, eosinophils, basophils, and macrophages), red blood cells (erythrocytes), and platelets are among the various cell types found in the blood.
It may also be related to several cancers, particularly leukemia. When you are recuperating from an acute infection, a high monocyte count may happen. Your body could be more prone to infection if your monocyte count is low. Infection is one cause of a decreased white blood cell count.
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What documented examples from real-life organ donors can you provide to help you demonstrate how a regulated human organ trade would (or would not) be exploitative?
The only thing that is felt is the terrible medical footprint left by organ traffickers, who make money in the shadows.
It exposes vulnerable groups, also known as "donors," and first-world recipients, sometimes known as "recipients," to severe exploitation and lifelong health effects.Transplantations that take place for profit commercially or outside of established national healthcare systems are referred to as organ trade.A market for human organs, in which individual body parts are valued as commodities, might result in a broad commodification and coarsening of interpersonal interactions. Any system for selling organs would establish an economic rather than a philanthropic link between the buyer and the seller, posing issues with quality control. Organ donation poses immediate surgical risks such as discomfort, infection, hernia, bleeding, blood clots, wound problems, and, in extreme circumstances, even death.learn more about organ traffickers here: https://brainly.com/question/24004490
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The hydrophobicity plot assigns each amino acid a hydrophobic value based on the method by kyte and doolittle. What can be inferred from the plot?
The hydrophobicity plot tells us about the location of transmembrane helices.
What is hydrophobicity plot?Hydrophobicity plots are used to predict the location of turns in proteins.In 1982, Kyte and Doolittle gave a hydrophobicity scale which gives each amino acid a hydrophobicity value.A hydrophobicity plot is drawn between the residue number versus residue hydrophobicity. These hydropathy plots are used to determine the transmembrane helices of proteins.The transmembrane helices are present in the non polar area (hydrophobic) of the lipid membrane whereas the other parts are present in polar areas (hydrophilic).Thus by computing the hydrophobicity value and plotting it on a graph we can find the loops and turns in proteins. Nowadays there are many hydrophobicity scales determining the hydrophobicity value of amino acids.Learn about amino acids here:
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The __________ perform(s) the excretory and homeostatic functions of the urinary system.
The kidney perform the excretory and homeostatic functions of the urinary system. Thus, option A is correct.
What is the role of kidney?These are the pair of bean-shaped structure present just below the rib cage. Each kidney is present on each side of the spine.
Beside cleaning the metabolic waste of the body by releasing urine, the principal role is maintaining homeostasis of the body.
They also secrete some hormones like Erythropoietin, activate vitamin D3, renin – angiotensin -prostaglandins.
It also maintain the blood pressure, making red blood cells and maintaining strong bones, maintain salt -water balance of the body.
Hence, option A is correct
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Your question was incomplete. The probable question was
The __________ perform(s) the excretory and homeostatic functions of the urinary system.
A. kidney
B. Ureter
C. Urinary bladder
D. All of the above
By 1500 b.c.e., which group in middle america (mesoamerica) began developing large cities, which including massive pyramidal structures?
Mayas began developing large cities, which including massive pyramidal structures.
Who were Mayas?The Maya civilisation was a Mesoamerican civilization founded by the Maya peoples that was notable for its logosyllabic script—the most sophisticated and highly developed writing system in pre-Columbian Americas—as well as its art, architecture, mathematics, calendar, and astronomical system. The Maya are an indigenous people of Mexico and Central America who have lived continuously throughout modern-day Yucatan, Quintana Roo, Campeche, Tabasco, and Chiapas in Mexico, as well as Guatemala, Belize, El Salvador, and Hondur.The Ancient Mayans developed the science of astronomy, calendar systems, and hieroglyphic writing. They were also known for creating elaborate ceremonial architecture, such as pyramids, temples, palaces, and observatories.To learn more about mayas from the given link
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2. To know more about preservatives.
To know about the different methods of preservation.
a) Collect the wrappers of frozen and canned food items and milk.
b) Find about the preservatives present in these food items.
c) List the various preservatives and methods of their preservation.
A chemical preservative stops items from decomposing. Some preservatives are used to cure wood or metal, while others are applied to food. Food preservation is "the science that deals with the process of preventing food from decaying or spoiling so that it can be stored in a fit condition for future use." Food quality, edibility, and nutritional content are all guaranteed via preservation.
They are not tainted with harmful substances or dangerous organisms.It does not lose its excellent color, texture, taste, or nutritional content.What are the different methods of Food Preservation?Drying: The oldest method of food preservation is drying. By using this technique, water activity is reduced, preventing bacterial growth. Drying makes food lighter so it can be transported more readily. Modern drying methods include bed dryers, fluidized bed dryers, freeze drying, shelf dryers, spray drying, commercial food dehydrators, and household ovens, in addition to the traditional methods of using the sun and wind. Examples of dried items using this technique include meat and fruits, apples, apricots, and grapes.
Freezing: Food prepared and frozen is kept in cold storage. Although potatoes can be controlled in dark areas, potato preparations must be frozen.
Smoking: Food is cooked, flavored, and preserved through smoking, which exposes it to wood smoke. Meats and fish are typically smoked because the smoke has antibacterial and antioxidant properties. Assorted smoking techniques are employed, including hot smoking, cold smoking, smoke roasting, and smoke baking. Smoking increases the risk of cancer when used as a preservative.
Vacuum packing creates: By making bottles and bags impermeable, vacuum packing creates a vacuum. Bacteria perish because there is no oxygen in the newly generated vacuum. Typically applied to dry fruit.
Salting and Pickling: Curing, commonly referred to as salting, removes moisture from goods like meat. Pickling is the process of preserving food in a salt solution (brine) or vinegar (acetic acid); in Asia, food is sometimes preserved in oil. At a 20% concentration, salt kills and stops the growth of microorganisms. Pickling can be done in many ways, including chemical pickling and fermentation pickling. To extend the shelf life of commercial pickles, sodium benzoate or EDTA is added.
Sugar: Fruits can be preserved with sugar in syrup form or crystallized form, depending on whether the material to be preserved is boiled in the sugar until it crystallizes, like candied peel and ginger. Another use is for fruit superficially coated in sugar syrup and then glazed. Alcohol and sugar are combined with preserving upscale foods like fruit in brandy.
Lye: Lye, also referred to as sodium hydroxide, makes food alkaline and inhibits the growth of microorganisms.
Canning and bottling: Sealing cooked food in sterile bottles and cans is the definition of canning and bottling. Boiling the container destroys or weakens bacteria. Various amounts of time or space are used for cooking food. The food is more at risk of rotting after the can or bottle has been opened.
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High levels of which lipoprotein class are associated wit decreased risk of accelerated atherosclerosis?
The "bad cholesterol" transporter LDL is clinically linked to atherosclerosis and high LDL levels.
The "bad cholesterol" transporter LDL is clinically linked to atherosclerosis and high LDL levels.Chylomicrons, LDL, and VLDL levels that are higher are linked to atherosclerosis.Your blood vessels become clogged with plaque as a result of high cholesterol. Atherosclerosis is the medical term for this plaque buildup. Atherosclerosis increases the likelihood of developing a wide range of illnesses.LDL-loaded macrophages grow into foam cells, which encourage inflammation and accelerate atherosclerotic plaque development. The plaques can become unstable and restrict the artery. A ruptured plaque can trigger blood clotting, obstruct blood flow to the brain or heart, and cause a heart attack or stroke.learn more about atherosclerosis here: https://brainly.com/question/4142223
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Scientists who study evolutionary medicine are mainly concerned about bacteria that have become?
Scientists who study evolutionary medicine are mainly concerned about bacteria that have become Drug resistant.
Evolutionary medicine is a rapidly expanding area that makes use of evolutionary biology principles to better comprehend, prevent, and cure disease as well as to increase our understanding of the fundamentals of evolution.Bacteria that are resistant to antibiotics cannot be treated with them or eliminated by them. In the presence of an antibiotic, they can endure and even grow. Most bacteria that cause infections are capable of developing resistance to at least some drugs. Multi-resistant organisms are bacteria that have broad antibiotic resistance (MRO).A significant issue in public health is antibiotic resistance. It can be avoided by reducing the overuse and unnecessary prescription of antibiotics, using them as directed, practicing good hygiene, and taking infection control measures.learn more about Drug resistant here: https://brainly.com/question/27333304
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