Answer:Sweet potato and carrot juice provides you with ample amounts of beta-carotene, the orange pigment that gives the juice its color. Beta-carotene breaks down into two vitamin A molecules, and your body uses this vitamin A to maintain healthy kidneys, as well as your immune system and tissues within your eyes
Explanation:
Vitamin A gives carrots and sweet potatoes their orange color.
What is beta carotene?Beta carotene is defined as the antioxidant which gives foods colour to fruits and vegetable such as carrots, pumpkins and sweet potatoes their orange color (lower levels of beta carotene are also present in yellow and dark green fruits and vegetables).
Vegetables and fruits with high levels of carotenes, such as carrots and cantaloupe, may reduce the risk of lung cancer and other types of cancer.
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The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the Earth rapid burial of vast amounts of vegetation Biblical account of Noah's flood
Answer:
rapid burial of vast amounts of vegetation
Explanation:
The organic matter is always decomposing, just that it depends on the conditions at what kind of a rate the decomposition will happen. If the climate is warmer and humid, then the decomposition is very quick. This results in a rapid burial of enormous amounts of vegetation. As the vegetation dies out, it piles up constantly, decomposes very quickly, and if there is something that can cover it, like mud for example, it will be buried in the ground. This is actually how the big deposits of coal have got the basis to form in the Carboniferous period.
The rapid decomposition of organic matter produces evidence which supports:
-rapid burial of vast amounts of vegetation
-Biblical account of Noah's flood
A lizard is blown out to sea during a hurricane. This type of storm occurs very infrequently—on average once every 100 years. The lizard washes up on the beach of a small island. The lizard finds some beetles on the beach.
This Question #12: The lizard can get an average of about 20 calories from consuming a beetle. It takes the lizard 10 calories a minute to chase and catch beetles. What is the maximum amount of time that the lizard can spend catching each beetle and still survive?
2 minutes
6 minutes
10 minutes
20 minutes
It would take the lizard 10.minutes to survive
How are viruses different from eukaryotic cells?
Answer:viruses are on the borderline of love and non living. This they couldn't be concluded as singl cell organisms.
Explanation:
Viruses and eukaryotic cells differ in their structure, reproduction capabilities, and consideration as living organisms. Viruses have a simpler structure, can't reproduce independently, and are debated to be non-living. On the other hand, eukaryotic cells have a complex structure, reproduce on their own, and are certainly alive.
Explanation:In comparing viruses and eukaryotic cells, one primary distinction is their structure. Viruses are significantly simpler, composed mainly of a protein shell surrounding their genetic material, which can be DNA or RNA. In contrast, eukaryotic cells are more complex. They contain multiple, specialized structures called organelles, including a nucleus that houses their DNA.
Additionally, viruses do not possess the cellular machinery necessary for reproduction. They must infect a host cell and usurp its reproductive mechanisms to replicate, adopt a parasitic lifestyle. This vital dependence on host cells for reproduction makes viruses obligate intracellular parasites. Eukaryotic cells, on the other hand, can reproduce on their own through processes such as mitosis and meiosis.
Ultimately, one of the most contentious differences revolves around the nature of life itself. Many scientists argue that due to their lack of key characteristics such as a cellular structure and the ability to reproduce independently, viruses should not be considered living organisms. Eukaryotic cells, by contrast, are undeniably alive as the foundational units of all large, multicellular organisms.
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Is a protein a monomer or a polymer?
a. Polymer
b. It depends
c. Monomer
Answer:
a protein is a monomer...
What is the difference between gymnosperms and angiosperms?
Answer:
Gymnosperms: naked seeds, they usually have no flowers or fruits, and Gymnosperms are sometimes configured as cones.
Angiosperms: there seeds are enclosed inside an ovary usually a fruit, they have few cells unlike a Gymnosperm, and have no flagella deposited at egg.
(Earth science isn’t an option for subject) Which statement about the types of fronts is correct?
A.) Cold fronts are characterized by extensive cloudiness and light precipitation.
B.) stationary fronts are characterized by weather similar to both warm fronts and cold fronts.
C.) Stationary fronts usually are associated with light precipitation and light cloud cover
D.) warm fronts are associated with clouds, showers, and thunderstorms.
Answer:
D. ) warm fronts are associated with clouds, showers, and thunderstorms
Explanation:
The warm fronts are the fronts that gradually replace the cold fronts. They tend to warm and moist. Their warmth and humidity comes from the place of their formation, which is above the large bodies of water in the lower latitudes. Because they are warm and moist, the warm fronts bring in warmer weather conditions, but also lot of clouds, intensive precipitation, and very often thunderstorms as well. In most cases, the direction of movement of this type of fronts is from southwest to northeast.
Imagine that you are walking through a forest on a chilly day, and you can clearly hear the fallen leaves crunch underfoot. this forest would be located __________.
Answer: This forest would be located in somewhere like rio
Explanation:
The enzyme DNA polymerase works only in the 5′ to 3′ direction. How does this affect the leading strand and the lagging strand?
A. DNA polymerase can work on both the leading and the lagging strand but is much faster on the leading strand.
B. DNA polymerase can work continuously on the leading strand but works discontinuously on the lagging strand, creating Okazaki fragments.
C. DNA polymerase can use only the leading strand as a template. A different enzyme is used to synthesize DNA on the lagging strand.
D. DNA polymerase can work continuously on the leading strand but must flip the lagging strand around before it can work on it
Answer:
B
Explanation:
DNA replication is semiconservative- meaning the old template strand will form a double helix with the newly synthesized strand. The DNA polymerase can only replicate DNA in the 5’ -> 3’ direction on a DNA strand. However, because the two strands of a DNA double helix run antiparallel (and they are replicated together), then during replication, one strand will be oriented in the opposite direction (i.e 3’ -> 5’ direction).
Because DNA polymerase requires a primer to begin replication, the leading strand will require one primer, because replication on this strand occurs continuously. On the lagging strand, many primers are required because replication is done piecemeal forming fragments called Okazaki fragments. The fragments are later joined by DNA ligases.
DNA polymerase can only add nucleotides in the 5′ to 3′ direction, resulting in continuous synthesis of the leading strand and discontinuous, fragmented synthesis of the lagging strand known as Okazaki fragments.
Explanation:The enzyme DNA polymerase works only in the 5′ to 3′ direction during DNA replication. This specificity affects how both the leading and lagging strands are synthesized. The leading strand is synthesized continuously in the direction of the replication fork because it aligns with the directionality of DNA polymerase. However, the lagging strand is synthesized in a discontinuous manner away from the replication fork, resulting in short stretches of DNA called Okazaki fragments. These fragments are later joined to form a continuous strand by the action of DNA ligase. As such, the correct answer to how DNA polymerase affects the leading and lagging strand is option B: DNA polymerase can work continuously on the leading strand but works discontinuously on the lagging strand, creating Okazaki fragments.
what do producers do with the disassembled organic matter found in soil?
A.they break it down into carbon,phosphorus and nitrogen
B.they absorb it to make their own food
C.they break it down to its simplest form
Answer:
B. they absorb it to make their own food
Explanation:
Producers absorb the disassembled organic matter found in soil to make their own food.
Answer:
B.they absorb it to make their own food
Explanation:
Producers are set of ecological organisms that have the ability to synthesize their own food via the process of photosynthesis. However, photosynthesis only produces the plant with organic food used to produce energy. The plant still needs other nutrients in form of elements to grow and develop.
These nutrients such as Nitrogen, Phosphorus etc. are obtained from the soil when decomposers like bacteria, breaks down organic matter releasing nutrients into soil. These nutrients are then absorbed by the roots of plants. The plants uses these nutrients to grow and develop important tissues needed to undergo its primary function of photosynthesis i.e making its own food.
*Will mark brainliest to the FIRST and CORRECT answer
Less species diversity results in less ______
A. Oxygen
B. Food
C. Drinkable Water
D. All of the above
Answer:
D. All of the above
Explanation:
All of the options are limiting factors so the less supply of each substance the less likely the species would survive and so the less that can mate and produce different offspring
A membrane protein that spans the phospholipid bilayer one or more times is _____.
Answer:
The right word to fill the blank space is TRANS MEMBRANE PROTEINS.
Explanation:
Membrane proteins are proteins that are found in the cell membranes of living organisms. There are three major types of membrane proteins, these are integral, peripheral and lipid anchored proteins. These proteins perform diverse functions in the transport of materials in and out of the living cells.
The integral proteins refer to those proteins that are permanently anchored to the cell membranes. Integral proteins are attached to the cells in various ways, some integral proteins are attached to only one side of the membrane and do not span across the whole membranes while some span the whole phospholipid bilayers one or more times. The integral membrane proteins that span the phospholipid bilayer one or more times are called TRANS MEMBRANE PROTEINS.
A membrane protein that spans the phospholipid bilayer one or more times is referred to as an integral or transmembrane protein. These proteins interact with the hydrophobic region of the phospholipid bilayer and can span a part of or the entirety of the membrane. Examples include channel proteins.
Explanation:A membrane protein that spans the phospholipid bilayer one or more times is known as an integral protein or transmembrane protein. These proteins integrate completely into the membrane structure, interacting with the hydrophobic region of the phospholipid bilayer. Some of these proteins span only part of the membrane associating with a single layer, while others stretch from one side of the membrane to the other. They usually have a hydrophobic transmembrane segment that consists of 20-25 amino acids and can be found either on the surface or embedded within the phospholipid bilayer. Examples of such integral proteins include channel proteins, which serve as ion channels.
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The intervention of extraterrestrials has been used to explain the Bermuda Triangle, a region of the Atlantic Ocean where ships and planes are frequently lost, leaving no evidence behind. How would this explanation best be characterized?
Final answer:
The explanation of extraterrestrial intervention in the Bermuda Triangle can best be characterized as a conspiracy theory. Claims of UFO sightings can usually be explained as natural phenomena, human craft, or hoaxes. It is important to approach these theories with skepticism and rely on evidence-based explanations.
Explanation:
The explanation of extraterrestrial intervention in the Bermuda Triangle can best be characterized as a conspiracy theory.
Although there have been numerous stories and video evidence of strange objects in the sky, there is no scientific evidence or peer-reviewed accounts of extraterrestrial life forms visiting Earth. Claims of UFO sightings can usually be explained as natural phenomena, human craft, or hoaxes.
It is important to approach these theories with skepticism and rely on evidence-based explanations.
A chemical reaction between iron atoms and oxygen molecules can only occur if
Answer:
Here is the full statement: A chemical reaction between iron atoms and oxygen molecules can only occur IF THERE ARE EFFECTIVE COLLISIONS BETWEEN THE PARTICLES OF THE TWO ELEMENTS.
Explanation:
Chemical reaction involves the re-arrangement of the particles that are present in the reacting substances. During the course of reaction, the particles of reactant are broken down and rearrange to form the products. For a chemical reaction to occur, the particles of reactants must be broken down and they must undergo effective collision. Effective collision between the atoms of iron and oxygen will give rise to the product, which is hydrated iron (lll) oxide. Without collision, chemical reaction will not occur and the product will not be formed.
What's developed as a result of the electron transport chain?
A. Membrane potential
B. New cells
C. Proton gradient
D. Phospholipid bilayer
Answer:
C. Proton gradient
Explanation:
During electron transport chain, the electrons are comes from transport chain come from NADH and FADH₂. As electrons are travels down the chain, proton gradient develops across the inner mitochondrial membrane due to accumulation of high proton (H⁺) in the intermembrane space and a lower proton(H⁺) in the matrix. This proton gradient is used to syntheis ATP.
Answer:
proton gradient
Explanation:
What did Mendel's experiments with pea plants show?
A. How traits are passed between generations
B. How the plants produce their seeds
C. How the plants produce their offspring
D. How traits can be acquired in organisms
Answer:
Mendel's experiments showed How traits are passed between generations
Did you know:
Mendel is often considered the Father of Genetics
because of his experiments with pea plants.
what is required in the genotype of an individual to show a recessive trait?
A.two recessive alleles
B.at least one recessive allele
C.no recessive alleles
Answer:
A. Two recessive alleles
Explanation:
A dominant trait is like a school bully it knocks back the recessive trait (Bb) to where it can not be seen so the spotlight is all on the dominant trait however if there are two recessive traits (bb) they can be seen because the bully is not around to push them back.
what is true of the supply of petroleum on the earth today
A. It is a limited supply
B. It forms as quickly as we use it
C. It is being replenished at a rapid rate
D. It is in constant supply
Answer:
A. It is a limited supply
Explanation:
Petroleum is one of the fossil fuels that originates from dead and decaying organisms in basins of deposition. For petroleum to form, several geologic,biologic and chemical factors must be accurately in place. These factors takes a huge amount of time in geologic time scale to form. The petroleum in the crust today formed several millions of years ago.
With this knowledge, petroleum is a non-renewable resource. It was central to the industrial revolution and the modern world was built around the oil industry. Exploration and production of petroleum provides oil for industrial and domestic use. Formation of petroleum takes millions of years and so, it is not renewable in our life time. It would take several years for the oil being used today to be replenished provided all the factors are in play.
This makes oil a limited resource constantly being depleted and not easily replenished.
Organisations like OPEC(Organisation of Petroleum Exporting Countries) comes together to ration production and supply so as to keep oil consumption in check.
Answer:
A. It is a limited supply
Explanation:
G1 is associated with which of the following cellular events?
The correct option is e.
The G1 phase of the cell cycle is associated with normal cell growth and function, where the cell grows, carries out metabolic functions, and prepares for DNA replication. Other cellular events like DNA duplication and organelle duplication also occur during this phase. However, the breakdown of the nuclear membrane and the beginning of mitosis happen in different phases.
Explanation:The G1 phase, also known as the gap 1 phase, is the first of four phases in the cell cycle. This phase is associated with the normal growth and function of a cell. During this phase, the cell grows in size, carries out normal metabolic functions, and prepares for DNA replication that occurs in the following S phase, also known as the synthesis phase.
The G1 phase is essential for DNA duplication, organelle duplication, and an increase in cell size. It should be noted that the breakdown of the nuclear membrane, the beginning of mitosis, and all of the other responses mentioned in the question do not occur during the G1 phase. Instead, these events happen during different phases of the cell cycle.
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The complete question is here:
G1 is associated with which of the following cellular events?
A. break down of the nuclear membrane
B. DNA replication
C. the beginning of mitosis
D. all of the responses are correct
E. normal cell growth and function
The G1 phase is associated with E. normal cell growth and function.
The G1 phase, also known as the first gap phase, is a part of the cell cycle where the cell grows and performs its normal functions. It is not primarily involved in DNA replication, the breakdown of the nuclear membrane, or the beginning of mitosis.
Instead, during G1, the cell engages in metabolic activities, increases its supply of proteins, and grows in size to prepare for DNA replication, which occurs in the subsequent S phase.
Correct question:
G1 is associated with which of the following cellular events? A. break down of the nuclear membrane B. DNA replication C. the beginning of mitosis D. all of the responses are correct E. normal cell growth and function
Prokaryotes are classified as belonging to two different domains. What are the domains?
Answer:
Bacteria and Archaea
Explanation:
The prokaryotes are classified into two domains, the bacteria and the archaea domains. This makes them unique as the other organisms fall into one of the three domains, not in two of them. The prokaryotes come in many different shapes. They all do fall into three categories, bacilli (which are the rod-shaped prokaryotes), spirilli (which are the spiral-shaped prokaryotes), and cocci (which are the spherical shaped prokaryotes).
Prokaryotes are classified into two domains: Bacteria and Archaea. These domains include unicellular organisms without nuclei or other complex structures, but they differ in genetic composition and sequences, cell wall structures, and lipid composition.
Explanation:The two domains that prokaryotes are classified into are Bacteria and Archaea. Both of these domains include unicellular organisms lacking a nucleus and other complex organelles, hence falling under the category of prokaryotes. However, they differ significantly in their genetic composition and sequences, cell wall structures, and lipid composition. For instance, bacteria have peptidoglycan in their cell walls, while archaea do not.
Bacteria, the most well-known and studied category of prokaryotes, are incredibly diverse in terms of habitats, ranging from human skin to hot springs to the deep ocean. On the other hand, Archaea are extremophiles, thriving in extreme conditions like high temperatures, salinity or acidity, where most other life forms cannot survive.
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What is the function of a bacterium's capsule?1. protein synthesis2. DNA storage3. propulsion4. protection5. adhesion
Answer:
4
Explanation:
capsule prevents the bacteria cell from engulfment by eukaryotic cells
The function of a bacterium's capsule is protection.
The bacterium's capsule encompasses any polysaccharide and / or protein surface layer (including the S-layer of eubacteria), but excludes the S-layers that make up the cell wall of archaebacteria.
The capsule protects the bacteria from phagocytosis, the main defense mechanism used by the host in the presence of capsulated bacteria.
An effective response to defend against this type of bacteria involves the production of antibodies that specifically bind to the capsule, facilitating opsonization and phagocytosis.
Therefore, we can conclude that the bacterium's capsule is generally polysaccharide in nature, it is an outer layer of material, which protects the bacteria from the desiccation of the environment.
.
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If RR is the genotype for the phenotype of right handedness, what would be the phenotype of rr?
Answer: left handedness
Explanation:
It would be the opposite of RR
being left handed because rr is reccessive and being left handed is less common
In which process is lactic acid formed when there is not enough oxygen present for cellular respiration to take place?
a. photosystem I
b. ATP synthase
c. fermentation
d. glycolysis
Answer:
Fermentation
Explanation:
To find the correct answer, we will review over the definition of each answer choice.
Photosystem I is A membrane in a plant that produces high levels energy from light
Based on the definition, we can conclude that photosystem 1 is not the correct answer.
ATP Synthase are molecules that create ATP
We know that this answer choice is also not correct.
Glycolysis is the process of breaking down glucose to create energy.
Based on the definition provided we know that this answer choice is also incorrect
Fermentation is the process of lactic acid being formed when there is not enough oxygen present for cellular respiration to take place.
Therefore, fermentation is the correct term we are looking for.
The process in which lactic acid is formed when there is not enough oxygen present for cellular respiration to take place is fermentation. The correct option is c.
What is fermentation?Lactic acid fermentation is a metabolic process that converts glucose or other six-carbon sugars (including disaccharides of six-carbon sugars such as sucrose or lactose) into cellular energy and the metabolite lactate, which is lactic acid in solution.
Lactic acid fermentation is a type of anaerobic respiration (or fermentation) in which sugars are broken down to produce energy in the form of ATP.
Because it occurs in the absence of oxygen, it is referred to as anaerobic. Lactic acid is produced as a byproduct of this reaction, giving rise to the name of this type of fermentation.
Anaerobic respiration occurs when human muscle cells do not receive enough oxygen. As a result, lactic acid fermentation occurs to produce energy molecules. Lactic acid is produced as a byproduct of this process.
Thus, the correct option is c.
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. A squirrel population lives in an area. Over many years, a river in that area grows wider and stronger, eventually forming a canyon. The squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. This is an example of
Allopatric speciation. A population of squirrels lives in one area.
Over many years, a river in this area gets wider and stronger, eventually forming a canyon.
The squirrel populations on either side of the canyon are no longer able to mate with each other and eventually form distinct species.
What is the population density of squirrels?
The average squirrel density was estimated from the dray density using an average of 4.5 drays per squirrel (after Wauters & Dhondt, 1988).Learn more about squirrel population here.
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How are unicellular organisms similar to multicellular organisms?
Answer: Unicellular and multi cellular organisms have some similarities and differences between them. The similarities between the two are listed below:
1.One big similarity between unicellular and multi cellular organisms is that the two of them are made up of cells.
2. The two organisms have similar genetic codes; both type of cells has DNA as hereditary material. The genetic code is universal and DNA sequence from a unicellular organism can be reproduced by a multi cellular organism and vice versa.
3. Both unicellular and multi cellular organisms have the same type of cell membrane. The cell membrane are made from phospholipids and they also incorporate different types of proteins.
4. Both organisms also have ribosomes in their cells. The ribosomes are responsible for the synthesis of proteins. Both cells synthesis proteins.
5. Both type of organisms have to obtain energy and nutrients to sustain their growth and energy.
Unicellular and multicellular organisms are similar as they all begin life as a single cell and can carry out all life processes essential for survival. However, unicellular organisms perform life processes independently, without the need for specialized cells while multicellular organisms have specialized cells performing specific functions, organized intricately into tissues and organ systems. Despite differences in complexity, all organisms showcase nature's incredible adaptability.
Explanation:Unicellular and multicellular organisms share similarities despite their complexities of cellular organization. They are similar in the sense that, whether single-celled or multi-celled, all organisms begin life as a single cell, formed by the union of two cells, the ovum and the sperm. Moreover, all life forms exhibit a cellular structure and have the ability to carry out all life processes essential for survival.
Despite carrying out the same life processes, the way they do so differs greatly. Unicellular organisms have components functionally analogous to the organs of multicellular organisms, enabling them to perform functions similar to more familiar organisms. They are essentially independent-living, carrying out life processes such as metabolism and respiration without help from other cells.
On the other hand, multicellular organisms achieve life processes through division of labor. They have specialized cells that perform specific jobs. Furthermore, in multicellular organisms, different types of cells are produced, effectively organized into tissues, organs, and organ-system to form a complete organism. This requires a more complex developmental process.
Despite the difference in complexity, unicellular and multicellular organisms both show an extraordinary demonstration of nature's ingenuity and adaptability, showcasing their abilities to perform the essential functions of life in their unique ways.
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During which phase do organelles duplicate and centrosome replication begin
The organelles and centrosome of the cell replicates during the interphase stage of mitosis.
What is mitosis?Mitosis is the type of cell division in which one cell divides into two identical daughter cells that are genetically similar.
Mitosis is composed of the following phases:
InterphaseProphaseMetaphaseAnaphaseThe interphase stage is also called the resting stage. This is the stage where organelles and centrosome replicates prior to the nuclear division.
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if i explore two oceanic plates at a convergent boundary , i will observe :
A. faults
B. ocean formation
C. island chains
D. seafloor spreading
Answer:
D. seafloor spreading
Explanation:
If you explore two oceanic plates at a convergent boundary , you will observe seafloor spreading.
Answer:
Option C, island chains
Explanation:
In convergence of two geographical boundaries, one slips (sub ducts) below the other while moving towards each other. This leads to formation of subduction zone. In the subduction process, when two oceanic plate converge, volcanic islands are formed. These volcanic islands are formed in a linear chain format and hence are known as volcanic arc for example Marians, Aleutians, etc.
Hence, option C is correct
When using food additives in food to help extend its shelf life an operation must first?
17. How does active transport differ from all other forms of transportation?
A. It shifts from high to low
B. It maintains homeostasis
C. It creates an equilibrium shift
D. It requires energy
Answer:
Option D, It requires energy
Explanation:
Active transport is a mechanism by which a substance move against the concentration gradient i.e from regions of low concentration to regions of high concentration. In order to do move against the gradient lot of energy is required which is pumped in by the energy molecule ATP produced during the cellular respiration.
While in other form of transportation i.e passive, a substance moves from the region of high concentration to the region of low concentration and hence no energy input is required.
Thus, option D is correct
What are male reproductive cells in a plant called?
A.egg
B.pollen
C.stem
D.sperm
Answer:
Pollen
Explanation:
Males produce pollen in the stamen, which contains the male reproductive organs.
Answer:
B. pollen
Explanation:
Male reproductive cells in a plant are called pollen.
Two critical interventions to help turn around the opioid crises are:
Answer:
The two critical interventions to help turn around opioid crisis are:
Improve access to prevention, treatment, and recovery support services to prevent the health, social, and economic consequences associated with opioid misuse and addiction, and to enable individuals to achieve long-term recovery. Strengthen public health data reporting and collection to improve the timeliness and specificity of data, and to inform a real-time public health response as the epidemic evolves. Advance the practice of pain management to enable access to high-quality, evidence-based pain care that reduces the burden of pain for individuals, families, and society while also reducing the inappropriate use of opioids and opioid-related harms.