Acupuncture is an alternative medicine that uses wire-thin needles inserted by a trained practitioner into specific points in the body. This ancient form of pain relief and stimulation is said to benefit patients by blocking channels which practitioners claim allow pain to travel within the body. This practice became more widely recognized and used after a New York Times reporter wrote in 1971 of a positive experience with it after surgery.

Those who doubt the effectiveness of this treatment for pain attribute the pain relief to a placebo effect: if a patient believes something will reduce their pain, they will experience some relief. The National Institutes of Health says that acupuncture relieves pain and reduces nausea and vomiting, although it is unclear how it works. The few adverse effects reported are due to improperly sterilized needles or improper delivery, making this still a fairly low risk option. For anyone considering acupuncture, they should first research its effectiveness for their specific condition.
Summary of statements published by the National Institutes of Health

Which statement best explains the scientific claim about how acupuncture treatment reduces pain?
Acupuncture is an alternative medicine that uses wire-thin needles inserted by a trained practitioner into specific points in the body.
Those who doubt the effectiveness of this treatment for pain attribute the pain relief to a placebo effect: if a patient believes something will reduce their pain, they will experience some relief.
This ancient form of pain relief and stimulation is said to benefit patients by blocking channels which practitioners claim allow pain to travel within the body.
For anyone considering acupuncture treatment, they should first research its effectiveness for their specific condition.

Experiments should be consistent, free from bias, and change each time they're performed.

What do you mean by Experiments?

Experiments are a type of empirical study in which a researcher intentionally manipulates one or more variables to observe the effect on another variable. Experiments are commonly used in the sciences, such as physics, chemistry, biology, and psychology, to test theories and explain phenomena.

If the experiment is not consistent, then the results could be skewed or unreliable. Free from bias means that the experiment should be conducted as objectively as possible, without any personal preferences or opinions influencing the results. This ensures that the results are accurate and not affected by any outside influences. Finally, experiments should be changed each time they are performed in order to ensure the validity of the results. Changing the experiment allows for different variables to be tested, which can lead to more accurate results.

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The Obliquity, Eccentricity and Precession of the earth deals with the orbit of the earth and it's effects on seasonal changes on the earth.

Obliquity is the angle the Earth's axis of rotation is tilted as it travels around the Sun.

Eccentricity refers to the shape of the Earth's orbit around the Sun.

If e = 0 the seasonal changes on the earth will be milder and cooler.

Precession is the direction the Earth's axis of rotation is pointed.

Therefore, the Obliquity, Eccentricity and Precession of the earth deals with the orbit of the earth and it's effects on seasonal changes on the earth.

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Answer: D. Increased variation of offspring

Explanation:

In sexual reproduction organisms reproduce offspring with a combination of traits from both parents, differing them from other animals of that organism. While in asexual reproduction, the parent splits their cells and created an offspring with the exact same genetic makeup of their parent.

Transporters and Channels select which solutes they help move across the membrane by : Channels distinguish between solutes primarily based on size and electric charge; transporters bind their solutes with high specificity, similar to how an enzyme binds its substrate.

Transporters and channels are membrane proteins that mediate the transport of metabolites, water, and ions across biological membranes. Membrane transport proteins are important for maintaining homeostasis and ensuring cell survival intracellularly or during environmental stress.

Channels are membrane-spanning water-filled pores through which substrates passively diffuse along electrochemical gradients when regulatory gates are open. Transporters undergo cycles of conformational changes associated with substrate binding and dissociation on opposite sides of the membrane. Membrane proteins that cause selective permeability are called ion channels, and other proteins called active transporters create and maintain ion gradients. As the name suggests, ion channels have pores that allow certain ions to pass through the nerve cell membrane.

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A muscle of the posterior abdominal wall is the quadratus lumborum. So, choice a is the right one.

The quadratus lumborum muscle, which is located dorsal to the iliopsoas and deep inside the belly, is a part of the posterior abdominal wall. This muscle arises from the pelvis to the lowest rib. This muscle, which originates from the iliac crest and inserts on the transverse processes of lumbar vertebrae one through five and the lower portion of the twelfth rib, is the deepest in the back.

As a result, this muscle extends the lumbar spine, stabilizes the lumbar region, can tilt laterally and can function as an accessory muscle for inspiration. Other muscles like the rectus abdominis, interior oblique, and exterior oblique form the anterior abdominal wall.

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One of your parents must have blood type A, and the other must have either blood type B or blood type AB.

What is a blood type?

Blood type is a classification system used to describe the different types of blood based on the presence or absence of certain antigens on the surface of red blood cells. There are four main blood types: A, B, AB and O, and each blood type is either RhD positive (Rh+) or RhD negative (Rh-).

In this case, these blood types are the only ones that can combine to make all the other blood types. Blood type A is dominant, so at least one of the parents must have it for the child to have any of the other blood types. The other parent must have either blood type B or AB in order to create the other blood types.

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An experiment that neurobiologists could use to show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon is given below

This experiment could be repeated multiple times with different intensity and duration of the electrical current, with different groups of neurons or with different kind of myelination.

Before conducting the experiment, it is important to ensure that the axons in both groups are of similar length, diameter, and overall health. This can be done by measuring the length and diameter of the axons under a microscope and by testing the neurons for any signs of damage or degeneration.

Therefore, The results would show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon.

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Answer:

Very young trees

Hope this helps!

Explanation:

A seedling is a young plant, especially one raised from seed and not from a cutting.

Prokaryotes have a nucleoid. Eukaryotes have a nucleus and organelles.

Both prokaryotes and Eukaryotes contain ribosomes, cytoplasm, and cell membrane.

Has a nucleoid - the irregularly shaped region which consists of the genetic material is known as the nucleoid. But the nuclear membrane is not present in the prokaryotic cells as it is present in the eukaryotic cells.

Has a nucleus - The genetic material in the eukaryotic cells is present in the nucleus. In prokaryotes, the genetic material is free in the cytoplasm. There is no distinct organelle separating the genetic material.

Has organelles - The eukaryotic cells consist of different cell organelles which are not present in the prokaryotic cells. The cell organelles present in eukaryotic cells include - Endoplasmic reticulum, Mitochondria, lysosomes, Golgi apparatus, nucleus, ribosomes, etc.

Contains ribosomes - Both prokaryotic and eukaryotic cells are involved in protein synthesis. Hence, both cells contain ribosomes. The ribosomes in prokaryotes are in the 70s and the eukaryotes' ribosomes are in the 80s.

Has a cytoplasm - The material in the living cells which includes the cell organelles. The fluid part of the cell without the nucleus is known as the cytoplasm. The cytoplasm is present in both prokaryotic and eukaryotic cells.

Have cell membrane - Both the prokaryotic and Eukaryotic cells have a cell membrane.

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Match each cellular component with the correct cell type: prokaryote, eukaryote, or both.

Has a nucleoid

Has a nucleus

Has organelles

Contains ribosomes

Has a cytoplasm

Have cell membrane

Organisms that are best suited to survive will pass their traits to their offspring.

The intensity of light affects the rate of photosynthesis performed as it rise from low light intensity to higher light intensity, the rate of photosynthesis will increase because there is more light available to drive the reactions of photosynthesis

Plants and other living things use a process called photosynthesis to transform light energy into chemical energy that can later be released through cellular respiration to power the organism's activities. Light is necessary for photosynthesis, specifically for the light reactions.

The existence of the vast majority of life on Earth depends on photosynthesis. It is how almost all of the energy in the biosphere is made accessible to living things. All higher life forms on Earth consume photosynthetic organisms directly or indirectly because they are the primary producers that serve as the foundation of the planet's food webs.

The rate of photosynthesis will increase as you move from low light intensity to high light intensity because there is more light available to power the reactions of photosynthesis.

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An animal cell has just completed telophase. The following would be  expected to see: formation of two genetically identical cells.

At telophase, the chromosomes begin to decondense, the spindle breaks, and the nuclear envelope and nucleolus regenerate. The cytoplasm of the mother cell divides to form two daughter cells, each containing the same number and type of chromosomes as the mother cell.

During telophase, the plant cell forms a cell plate that allows the two daughter cells to separate. In animal cells, cells are separated by pinching the cell membrane.

The final stage of mitosis, telophase, is characterized by cytokinesis, reorganization of the nucleus and nuclear envelope, loss of the mitotic spindle apparatus, and unwinding of chromosomes into chromatin.

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Humans are continually attempting to meaningfully organize information about the world around them.

Some of the non-living things that have been categorized in your neighborhood, at work, or at school. The classification of living things is the main objective of the biological field of taxonomy.

Taxonomy is the formal classification of organisms into groups based on those postulated relationships. It is the study of relationships between living things. According to their similarities and differences, organisms are categorized.

Biological relatives are individuals to whom you are biologically related, such as your parents, siblings, and cousins.

Therefore, Humans are continually attempting to meaningfully organize information about the world around them.

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A pathogen is a type of microorganism that causes disease in its host.

B Thuringia sis is not a pathogen because it is a species of bacteria that is used as a biological pesticide to control certain pests, not a disease-causing organism.

Cancer is not a pathogen because it is not an infectious agent; it is a group of diseases caused by abnormal cell growth.

What do you mean by cancer?

Cancer is basically a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These are caused by changes in DNA of the affected cells. Symptoms vary depending on the type of cancer, but can include pain, fatigue, weight loss, and changes in appetite.

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Eosinophil finds in higher quantities in a person experiencing allergies.

A greater than usual level of eosinophils is called eosinophilia (e-o-sin-o-FILL-e-uh). White blood cells that combat sickness include eosinophils.

Most frequently, this condition is a sign of malignancy, an allergic reaction, or a parasite infection. Eosinophil levels might be high in tissues around an infection or inflammatory site or in your blood (blood eosinophilia) (tissue eosinophilia).

In samples obtained during an exploratory technique or in samples of some fluids, such as mucus expelled from nasal tissues, tissue eosinophilia may be discovered. Your bloodstream's eosinophil count is probably normal if you have tissue eosinophilia.

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One might find basophils in higher quantities in a person experiencing allergies, which means option C is the right answer.

White blood cells are the colorless particles present in Hemoglobin which fight against the foreign particles to prevent the person from diseases and infections. Allergy is any form of inflammation or abrupt change in body due to which some abnormal symptoms are felt. For example: rashes, nausea, sneezing etc. are some allergic symptoms. When body gets into contact with some other foreign particles, WBC release basophils which fight against these particles. Mast cells are the main players in the early phase of the allergic reaction. Neutrophils and eosinophils also increase in certain cases in allergic reactions.

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Winding steam shows a characteristic of liquids because winding steam moves like liquid and takes the container's shape.

For instance, condensation occurs when water vapor in gaseous form in the air swaps into liquid water when it comes in touch with a cool surface. Steam for Indirect Heating. Saturated Steam. soaking steam is steam that is completely dry and has the same temperature as the water from which it is created.

Steam can live in two forms: saturated or superheated. Most appealed only utilize saturated steam. Water vapor is truly a gas. Liquid water droplets that happen to be hung for some time in the air are not dissolved in the gas when the matter turns from its gas stage back into its liquid phase, the molecules take up much less space and apply far less pressure

So we can conclude that What is usually known as steam are condensed liquid water droplets

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The ball's speed is 2.3 m/s and its velocity is 2.3 m/s in the direction it is rolling.

Velocity is a vector quantity that describes the rate of change of an object's position, including both its speed and the direction of its motion. To calculate the velocity of the ball, we need to know both the distance it traveled and the time it took to travel that distance.

In this case, the ball rolled 157 meters across the court in 68 seconds. To calculate the velocity, we divide the distance by the time, so 157 meters / 68 seconds = 2.3 meters per second.

It's important to note that the given information doesn't include the direction of the ball, so we can't know the direction of the velocity. We only know the magnitude of the velocity, which is 2.3 m/s.

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Absorption is required for the biosphere to absorb solar radiation, while conduction and convection also play to warming the atmosphere due to the spread process of heat across the whole ecosystem.

Absorption is the process by which energy is taken up by a material, typically through electromagnetic radiation that is converted into heat, a form of energy that can be used to power chemical reactions, while convection is the transfer of heat through a fluid, such

Therefore, with this data, we can see that convection, radiation and absorption are closely related to global warming.

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The following terms of trade would be mutually beneficial for Nigel and Pauline : Nigel trades one placemat for 1/2 gallon of maple syrup from Pauline.

This is because they are only mutually advantageous in this case while engaging in trade. Because trading options 2,4 will not be profitable. Option 3 will benefit Nigel, and even Option 5 Trade will not be as profitable as Option 1.

Trade conditions are mutually beneficial as long as they are between the opportunity costs of the two nations. Any amount of medication higher than 1/3 but less than 1 traded for 1 cotton shirt, for example, would be mutually advantageous conditions of trade.

"An transaction is an exchange is an exchange; it is consensual and mutually beneficial," said the famous economist Frank Knight. This is probably the first lesson in economics that most students learn.

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Nigel and Pauline would benefit equally from the following terms of trade: One placemats is exchanged by Nigel for a half-gallon of maple syrup from Pauline.

This is because they are only mutually beneficial in this situation when trading. Because it will not be lucrative to trade options 2, 4, and 6. Nigel will earn from Option 3, while Option 5 Trade won't be as successful as Option 1 either.

As long as trade circumstances balance the opportunity costs of the two countries, they are advantageous to both parties. For instance, trading one cotton shirt for one dose of medicine would be mutually beneficial if the dosage was greater than 1/3 but lower than 1.

The renowned economist Frank Knight once remarked, "A transaction is a trade is an exchange; it is mutually advantageous and agreeable." Most students probably learn this concept of economics as their first lecture.

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"When three atomic orbitals are mixed to form a hybrid orbital, 3 hybrid orbitals are formed. Here option D is the correct answer.

When three atomic orbitals are mixed to form hybrid orbitals, three hybrid orbitals are formed. The mixing of atomic orbitals is a process called hybridization. This process occurs when the electrons of the atom move around and form new orbitals with different energy levels and orientations.

The new hybrid orbitals are formed by the combination of the original atomic orbitals, and the number of hybrid orbitals formed is equal to the number of atomic orbitals that were mixed.

It's important to note that the number of hybrid orbitals depends on the number of atomic orbitals involved in the hybridization process. The hybridization of s and p orbitals can form sp, sp2, and sp3 hybrid orbitals, and so on.

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Answer:

Transport epithelia play an important role in osmoregulation of marine fish with bony skeletons by regulating the movement of ions and water across the epithelial cells. This process helps to maintain the ionic balance between the fish's internal environment and the external environment. The transport epithelia also plays a role in regulating the osmotic pressure of the fish's body fluids, which helps to keep the fish's body fluids in balance with the surrounding environment.

Explanation:

statement that best describes the difference between prokaryotic and eukaryotic cells: the presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells.

The eukaryotic cell is divided into many compartments, such as the cell organelles, which are preset in the form of compartments such as the mitochondria, the nucleus, the peroxisome, etc., and each organelle contains specific enzymes and pH.

Hence, the statement that best describes the difference between prokaryotic and eukaryotic cells: the presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells.

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The question is incomplete, the complete question is the below

Which statement best describes a difference between prokaryotic cells and eukaryotic cells? *

1 point

A The presence of both DNA and ribosomes in prokaryotic cells indicates that they are more complex than eukaryotic cells.

B The larger size of prokaryotic cells indicates that they are more complex than eukaryotic cells.

C The presence of membrane-bound organelles in eukaryotic cells indicates that they are more complex than prokaryotic cells.

D The larger size of eukaryotic cells indicates that they

The bacterium E. coli requires simple organic molecules for growth and energy it is therefore a chemoheterotroph. Here option B is the correct answer.

The bacterium E. coli is a chemoheterotroph, which means that it obtains energy from the oxidation of organic molecules and requires an external source of carbon for growth. E. coli can use a wide variety of simple organic molecules as a source of energy and carbon, including sugars, amino acids, and fatty acids.

A photoautotroph is an organism that uses light energy to produce its own food and doesn't require an external source of carbon. A chemoautotroph is an organism that produces its own food using inorganic compounds as a source of energy and carbon.

A photoheterotroph is an organism that uses light energy to obtain energy, but it still needs organic compounds as a source of carbon. A lithotroph is an organism that uses inorganic compounds as a source of energy and carbon.

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Histone genes, which evolve very slowly, would most likely be used to study organisms that diverged long ago.

Histone genes, which develop very slowly, will be utilised to examine the connections between early and contemporary eukaryotic species. Given that histone genes are highly conserved and seldom diverge among distinct species, they can be an effective tool for establishing the evolutionary links between organisms that have undergone significant evolutionary separation.

By comparing the sequences of histone genes from various organisms, it is possible to examine the connections between various eukaryotic organism groups, including those of mammals, plants, fungi, and protists. This enables the construction of evolutionary trees that depict the links between various groups of creatures and the inference of the time at which various groups of organisms diverged from a common ancestor.

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The statement that would require the greatest number of calories is heating 1000 g of water from 10°C to 12°C. Thus, the correct option for this question is D.

Calories may be defined as a type of measurement of the energy content of food. The body needs calories to perform its functions, such as breathing, circulating the blood, and physical activity.

According to the question,

The formula of heat required is as follows:

Since c is the same, so the product of mΔT will decide the number of calories required.

Using the following equation:

According to the information provided in this question;

m = 10g

c = ?

∆T = 20°C

Q = 100cal

Using Q = m × c × ∆T

c = Q ÷ (m × ∆T)

c = 100 ÷ (10 × 20)

c = 100 ÷ 200

c = 0.5 cal/g°C.

Thus, the correct option for this question is C.

The action that does not happen as the temperature of a gas increases is the reduction in the kinetic energy between the molecules. Thus, the correct option for this question is D.

The amount of heat in a substance depends on the motion of the molecules. Since the temperature is defined as the measure of the average kinetic energy of molecules. The higher the temperature, the faster the motion of the molecules would be.

The unit for specific heat is calories or joules per gram per Celsius degree. A graph that shows how heat energy, temperature change, and phase change are related is called a phase change graph.

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Immediately preceding the resetting of the myosin head of the crossbridge cycle is ATP split into ADP and Pi.

Correction option is B.

The power stroke occurs when ATP is digested into ADP and phosphate. The power stroke occurs when ADP and phosphate detach from the myosin head. A power stroke is created when ADP and phosphate dissociate from the actin active site. The power stroke happens when Ca2+ binds to the calcium head. The third step is the dissociation of myosin heads from actin. This occurs as ATP binds to the myosin crossbridge.

The following steps make up the cross bridge cycle: When ATP is hydrolyzed to ADP and Pi and the end products are still covalently linked to the protein, myosin is activated. The cross-bridge separates when myosin binds to ATP. The steps are repeated.

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C) A mutation that deletes one base in the middle of a gene would likely have the greatest effect on a living cell. This type of mutation can disrupt the reading frame of the gene, potentially altering the amino acid sequence of the protein it codes for and altering its function.

A mutation in a non-coding region of DNA would not have as much of an impact on a living cell as it would not affect the production of a protein. A mutation that changes one base in a codon would also have an effect, but it could be less severe than a frameshift mutation.

A gene is a specific sequence of DNA that codes for a specific protein. Proteins are important molecules that carry out various functions in the cell, such as catalyzing reactions, replicating DNA, responding to stimuli, and transporting molecules across cell membranes. The sequence of a gene is read in groups of three bases, called codons, which code for specific amino acids that are used to build the protein.

A mutation is a change in the DNA sequence that can occur spontaneously or be induced by environmental factors. Some mutations have no effect on the function of the protein, while others can alter its structure and function.

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When the chromosomes compact during prophase, ribosomal rna synthesis ends, and the nucleolus vanishes.

Ribosomal ribonucleic acid (rRNA) is a non-coding RNA that is the principal component of ribosomes, which are required by all cellsrRNA is a ribozyme that is responsible for protein synthesis in ribosomes. Ribosomal RNA is transcribed from rDNA and then bound to ribosomal proteins to produce small and large ribosomal subunits.

The ribosome's physical and mechanical element that causes transfer RNA (tRNA) and messenger RNA (mRNA) to process and translate the latter into proteins is rRNA.  Ribosomal RNA is the most common kind of RNA present in most cells, accounting for over 80% of total cellular RNA despite never being translated into proteins. Ribosomes are made up of around 60% rRNA and 40% ribosomal proteins by mass.

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Answer:

Explanation:

because of the scarce of water

animals will have to look for another home

hope this was helpful

Internal fertilization, leathery amniotic egg, and skin that resists drying are characteristics of nonbird reptiles.

Internal fertilization most commonly occurs in terrestrial animals, although some aquatic animals also use this method. There are three ways to produce offspring after internal fertilization: oviparous, oviparous, and oviparous.

During the spawning stage, the fertilized egg is laid outside the female's body and develops there, feeding on the yolk that is part of the egg. This occurs in most bony fishes, many reptiles, some cartilaginous fishes, most amphibians, two mammals, and all birds. Reptiles and insects produce hard eggs, while birds and turtles produce eggs that have a high calcium carbonate content in their shells that makes them hard. These animals are classified as egg-laying.

Reptiles often have skin-covered eggs. This gives reptiles more protection than amphibians, whose eggs do not have a suitable shell but still require them to keep their eggs in a relatively humid environment. Examples of reptiles include snakes and lizards.

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