The following structures are involved in hearing and equilibrium:
Pinnacle: The pinnacle is the uppermost part of the external ear and has a curved cartilage framework.
Cochlear nerve: The cochlear nerve connects the cochlea to the brain.
Otolithic membrane: Otolithic membranes are in the vestibule of the inner ear.
Vestibule: The vestibule, a part of the inner ear, is critical for both hearing and equilibrium.
E. Pharyngotympanic tube: The pharyngotympanic tube is a tube that runs from the nasopharynx to the middle ear.
F. Stapes: The stapes are the smallest bones in the human body, and they are located in the middle ear.
G. Tensor tympani muscle: The tensor tympani muscle is in the middle ear.
H. Helicotrema: Helicotrema is a small opening at the cochlear apex.
I. Maculae: In the vestibule of the inner ear, maculae are a structure.
J. Basilar membrane: The basilar membrane is an organ in the cochlea of the inner ear.
K. Round window: The round window is an oval membrane in the cochlea of the inner ear.
L. Cristae: Cristae are hair cells that are present in the semicircular canals of the inner ear.
M. Semicircular canals: Semicircular canals are involved in the vestibular system of the inner ear.
N. Spiral organ: The organ of Corti is also known as the spiral organ, and it is located in the cochlea of the inner ear.
O. Saccule: The saccule is located in the vestibule of the inner ear.
P. Utricle: The utricle is another structure in the vestibule of the inner ear.
Q. Cochlea: The cochlea is a snail-shaped organ in the inner ear that is responsible for hearing.
R. Vestibular nerve: The vestibular nerve connects the semicircular canals and the otolith organs to the brainstem.
S. Cupulae: Cupulae are gel-like structures that extend from hair cells and into the endolymph of the semicircular canals of the inner ear.
The following structures are involved in hearing and equilibrium:
Pinnacle: The pinnacle is the uppermost part of the external ear and has a curved cartilage framework. Its function is to improve the ability to hear by catching and funneling sound waves.
Cochlear nerve: The cochlear nerve connects the cochlea to the brain. It contains nerve fibers that transmit auditory signals to the brain.
Otolithic membrane: Otolithic membranes are in the vestibule of the inner ear. They're important for equilibrium since they detect linear acceleration and deceleration of the head.
Vestibule: The vestibule, a part of the inner ear, is critical for both hearing and equilibrium. It is the area between the cochlea and the semicircular canals.
E. Pharyngotympanic tube: The pharyngotympanic tube is a tube that runs from the nasopharynx to the middle ear. It is responsible for equalizing the pressure on both sides of the tympanic membrane.
F. Stapes: The stapes are the smallest bones in the human body, and they are located in the middle ear. They vibrate the oval window, which increases the pressure of sound waves in the inner ear.
G. Tensor tympani muscle: The tensor tympani muscle is in the middle ear. Its primary function is to protect the hearing by reducing the volume of sound.
H. Helicotrema: Helicotrema is a small opening at the cochlear apex. It allows the scala tympani and scala vestibule to connect.
I. Maculae: In the vestibule of the inner ear, maculae are a structure. They help the body detect motion and acceleration.
J. Basilar membrane: The basilar membrane is an organ in the cochlea of the inner ear. It is where hair cells are located that transmit sound signals to the brain.
K. Round window: The round window is an oval membrane in the cochlea of the inner ear. It helps relieve pressure caused by the movement of fluid inside the cochlea.
L. Cristae: Cristae are hair cells that are present in the semicircular canals of the inner ear. They detect head motion in three dimensions.
M. Semicircular canals: Semicircular canals are involved in the vestibular system of the inner ear. They assist in the detection of head rotation.
N. Spiral organ: The organ of Corti is also known as the spiral organ, and it is located in the cochlea of the inner ear. It converts sound waves into nerve impulses.
O. Saccule: The saccule is located in the vestibule of the inner ear. It is involved in detecting linear acceleration.
P. Utricle: The utricle is another structure in the vestibule of the inner ear. It is also involved in detecting linear acceleration.
Q. Cochlea: The cochlea is a snail-shaped organ in the inner ear that is responsible for hearing. It is divided into three chambers, each filled with a fluid that aids in sound detection.
R. Vestibular nerve: The vestibular nerve connects the semicircular canals and the otolith organs to the brainstem.
S. Cupulae: Cupulae are gel-like structures that extend from hair cells and into the endolymph of the semicircular canals of the inner ear.
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Which of the following organs are involved with chemical digestion?Which of the following organs are involved with chemical digestion?
mouth, pancreas, stomach, small intestine
stomach, pancreas, pituitary, large intestine
esophagus, liver, small intestine, large intestine
small intestine, gall bladder, kidneys, mouth
Answer: Chemical Digestion = mouth, pancreas, stomach, small intestine
Explanation: Hope this helps!
Answer:
Chemical Digestion = mouth, pancreas, stomach, small intestine
Explanation:
PLS HELP!!?!?? (ᗒᗣᗕ)՞
Answer: 25% red 25% white 50% pink
You are trying to collect an overdue payment of R163,00 on a shipment of milk powder to the Dominican Republic. A senior government official ask for R20, 000 as a collection service fee. Should you pay? Is illegal or legal?
As a business owner, it can be challenging to collect overdue payments from clients and customers. The situation becomes more complicated when a senior government official demands a service fee to collect the money owed.
From a legal perspective, it is illegal for a government official to demand payment for providing a service. It is important to remember that it is the government official's job to perform the duties of their position, which includes enforcing regulations and laws. Therefore, it is illegal to demand additional compensation for carrying out official duties.
Additionally, paying a collection service fee to a government official can be considered a bribe, which is also illegal. If the payment is made, it may result in negative consequences, such as legal charges or damage to the reputation of the business.
In conclusion, the business owner should not pay the collection service fee of R20, 000. It is illegal, and it could result in negative consequences for the business. Instead, the business owner should seek legal advice on how to proceed with collecting the overdue payment.
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Throughout the year, areas of the Earth's surface are either tilted away from the Sun or toward the Sun. This is a result of the Earth tilting on its axis. What is the main impact of this phenomenon?
A. It causes tides.
B. It generates winds.
C. It produces seasons.
D. It influences ocean currents.
describe how a non-resistant Staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin
Explanation:
characteristics of enzymes
S. aureus can develop resistance to methicillin and other -lactam antibiotics by expressing a foreign PBP, PBP2a, which is resistant to methicillin but can perform the functions of the host PBPs.
What is Staphylococcus aureus?Staphylococcus aureus is a Gram-positive round-shaped bacterium that pertains to the Bacillota and is a popular member of the body's microbiota, commonly found in the upper respiratory tract and on the skin.
S. aureus can develop resistance to methicillin and other -lactam antibiotics by expressing a foreign PBP, PBP2a, which is resistant to methicillin but can perform the functions of the host PBPs.
Thus, in this way a non-resistant Staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin.
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What evidence would be crucial in a forensic anthropologist's investigation?
bruised muscle around one shoulder
several bone fragments located at the back of the head
the name of the person who inflicted to injury
the pool of blood under the body
How can it affect ph and oxygen levels in a body of water?
Changes in pH and oxygen levels can have significant impacts on the health and balance of a body of water.
High or low pH levels can disrupt the natural habitat, affecting aquatic organisms and their ability to survive and reproduce. Similarly, low oxygen levels, known as hypoxia, can lead to the death of fish and other aquatic species.
pH levels in water indicate its acidity or alkalinity. High or low pH can alter the chemical balance and affect the physiology of aquatic organisms, including fish, plants, and invertebrates. Extreme pH levels can hinder the reproductive success of some species and disrupt the food chain dynamics.
Oxygen levels in water are crucial for the survival of aquatic life. Dissolved oxygen supports respiration in fish and other organisms. Low oxygen levels, known as hypoxia, can occur due to factors like excessive organic matter decomposition or algal blooms. Hypoxia can lead to fish kills, as the lack of oxygen prevents fish and other species from obtaining sufficient oxygen for survival.
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Which statement is NOT correct?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
miRNA is an endogenous gene editing system found in prokaryotes.
b
siRNA is noted for perfectly binding to mRNA.
C As originally discovered, CRISPR acts as a foreign DNA interference system.
d Misfolded proteins can be targeted for destruction if they are polyubiquitinated.
The claim that prokaryotes have an inherent gene editing mechanism called miRNA is untrue. Here option A is the correct answer.
miRNA (microRNA) is not an endogenous gene editing system found in prokaryotes. miRNAs are small, non-coding RNA molecules that play a role in post-transcriptional gene regulation in eukaryotic organisms. They are involved in the regulation of gene expression by binding to messenger RNA (mRNA) and inhibiting its translation or promoting its degradation.
On the other hand, prokaryotes do possess their own gene editing systems, such as CRISPR-Cas systems, which are adaptive immune systems that provide defense against foreign genetic elements like viruses. CRISPR-Cas systems were originally discovered as a foreign DNA interference system in prokaryotes.
siRNA (small interfering RNA), mentioned in option b, is indeed noted for perfectly binding to mRNA, leading to its degradation and subsequent inhibition of gene expression.
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Complete question:
Which statement is NOT correct?
a) miRNA is an endogenous gene editing system found in prokaryotes.
b) siRNA is noted for perfectly binding to mRNA.
c) As originally discovered, CRISPR acts as a foreign DNA interference system.
d) Misfolded proteins can be targeted for destruction if they are polyubiquitinated.
True or false
Prokaryotic cells can’t replicate DNA, because they do NOT possess nuclei.
Answer:
False
Explanation:
Prokaryotes do have their genomic DNA concentrated and localized to a small area within the cell (nucleoid region). So it's not entirely accurate to say that prokaryotes don't have a nucleus.
Answer:
true
Explanation:
prokaryotics are cells without nucleus
Which of the following explains why cattle should not be given apples?
Apples cause bloat in cattle,
Apples cannot be digested by cattle,
Apples lead to infertility in cattle,
Apples contain insufficient nutrients for cattle
Answer:
"Cows that eat apples can get a bloated stomach and die. But that's not what's happening when your cattle feed on apples fallen on the ground or those that you offer them to diversify their diet. ... So, if you plan to introduce apples into your cows' diet, do so gradually."
So your best choice is option A!
Explanation:
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IITIUIT! 2. Whịch kingdoms have organisms that can make their own food?
Help
What is the scientific name for recycled yard waste?
Answer:
compost
Explanation:
What do Astronauts need to take on the moon so that plants could grow in a lunar plant growth chamber
Explanation:
What is the name of this website or the book?
Astronauts need to take water to take on the moon so that the plants could grow in a lunar plant growth chamber.
What affects lunar plant growth chamber?Plants can be grown in the lunar regolith. Plants grown on the moon were not as robust as the plants which are grown in soil of the Earth, or even as those in the control group grown in a lunar simulant made from the volcanic ash, however they did indeed grow well.
Real lunar and the Martian regolith seem to contain all the essential ingredients which are required for the growth of plant. However, there is a very small amount of reactive nitrogen and growing food materials in it that requires a large amount of water. Regolith can only store up to thirty percent of the water which organic soil of the Earth can store.
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Plants living in regions where water supplies in the soil are low develop various adaptations to aid in their survival. Suggest FOUR of these adaptations.
Plants living in regions with limited water availability have evolved various adaptations to cope with the challenging conditions.
Four common adaptations seen in such plants:
1)Succulence: Many plants in arid regions have evolved succulent structures to store water.
These plants typically have fleshy leaves, stems, or roots that can store significant amounts of water during periods of rainfall.
The stored water can then be utilized during times of drought, allowing the plant to survive extended periods without rainfall.
2)Reduced leaves or spines: To minimize water loss through transpiration, plants in arid environments often have reduced leaves or modified leaf structures.
For example, some plants have small, needle-like leaves or spines that help reduce the surface area exposed to the hot and dry air, thereby reducing water loss.
3)Deep root systems: Plants adapted to arid conditions often possess deep root systems that enable them to access water from deeper soil layers.
These extensive root systems can tap into groundwater sources or reach areas with higher moisture content, allowing the plant to survive when surface water is scarce.
4)CAM photosynthesis: Crassulacean acid metabolism (CAM) is a specialized form of photosynthesis that many arid-adapted plants employ.
CAM plants open their stomata and take in carbon dioxide during the night when temperatures are cooler and water loss through transpiration is reduced.
They store the carbon dioxide as an organic acid and utilize it during the day for photosynthesis when the stomata remain closed to conserve water.
These adaptations enable plants to conserve and efficiently utilize water, enhancing their chances of survival in regions with low water supplies.
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Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called
a. Inhibitory
b. Cross-linked
c. Excitatory
d. Blocked
e. Obligatory
The correct option is (c). Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called Excitatory.
Neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called Excitatory. Na+ ion channels get opened by Excitatory neurotransmitters, such as glutamate or acetylcholine, allowing positively charged ions to flow into the cell. As a result, a membrane potential changes in an excitatory direction, which raises the likelihood of the target neuron firing an action potential. An action potential is a brief but substantial change in the voltage of a neuron that travels down the neuron's axon, resulting in the release of neurotransmitters from the axon terminal, which stimulates downstream neurons. They are responsible for propagating signals across the synapses that connect neurons. In conclusion, these neurotransmitters that open Na+ channels and trigger action potentials in receiving cells are called excitatory, and they play an important role in the transfer of information between neurons.
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What are some ways that natural selection equips organisms for survival in their environment?
Answer:
Well organisms who have traits that are beneficial to them and would make them live long enough to usually reproduce, it would become an adaptive trait. That organism who has that trait will most likely live the longest and reproducing which will pass down their traits. Other same type of organisms who don’t have that trait will most likely die quicker then those who do and they won’t be able to pass on their genes which will lead to the natrual selection being very few of those types. If your born with a non useful trait, you jsut pass it down, you can’t just have the ones that benefit you unless yoru parents have it. This is why at the ”end” there will be more with useful traits and barley any with non.
Seasonal changes occur when the Earth moves so that the Northern Hemisphere and the Southern Hemisphere are tilted more toward or away from the Sun. If the Northern Hemisphere is tilted toward the Sun and it is summer, what is happening in the Southern Hemisphere?
A. The Southern Hemisphere is tilted toward the Sun, and it is summer.
B. The Southern Hemisphere is tilted away from the Sun, and it is summer.
C. The Southern Hemisphere is tilted toward the Sun, and it is winter.
D. The Southern Hemisphere is tilted away from the Sun, and it is winter.
Answer:
D
Explanation:
the southern hemisphere is always doing the opposite of the northern hemisphere
In the film, what challenges are identified that correlate to population growth?
The challenges that are identified in the film which correlate to population growth are:
OverpopulationEnvironmental degradationWhat resulted from population growth according to the film ?When there are too many people in a given area, it can lead to a number of problems, such as shortage of resources, such as food, water, and shelter. This can lead to conflict and violence as people compete for resources. It can also lead to the spread of disease, as more people are in close contact with each other.
Population growth can also lead to environmental degradation, as more people put a strain on natural resources. This can lead to problems such as deforestation, climate change, and loss of biodiversity.
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The film name is The Day After Tomorrow.
All of the following statements about the "blender experiment" is true except
A. The experiment preceded Watsons and Crick's elucidation of DNA structure.
B. Hershey and Chase used radioactive sulfur to follow the protein in their experiment.
C. Hershey and Chase used radioactive phosphorus to follow the nucleotides in their experiment.
D. It was discovered by them that while different strains of bacteria have different percentages of nitrogen bases, the percent of adenine and the percent of thymine are equal as are the percentages of guanine and cytosine.
E. Hershey and Chase experiment lent strong credence to the idea that DNA is the hereditary material, at least of viruses.
The statement that is not true about the blender experiment is it was discovered by them that while different strains of bacteria have different percentages of nitrogen bases, the percent of adenine and the percent of thymine are equal as are the percentages of guanine and cytosine, option D is correct.
It was not discovered by Hershey and Chase in their experiment that the percentages of adenine and thymine are equal, as well as the percentages of guanine and cytosine. This discovery was actually made by Erwin Chargaff, who observed the base composition of DNA from various species and found that the amount of adenine is roughly equal to thymine, and the amount of guanine is roughly equal to cytosine.
Hershey and Chase's experiment, on the other hand, provided strong evidence for DNA being the hereditary material, specifically for viruses. They used radioactive phosphorus to label the DNA and radioactive sulfur to label the protein, showing that viral DNA, not protein, enters host cells during infection, option D is correct.
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for a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates
For a person deprived of water, the satisfaction that follows drinking a thirst-quenching beverage best illustrates the concept of homeostasis.
Homeostasis is the maintenance of a stable internal environment in an organism, and the desire to drink water is a response to an imbalance or disturbance in homeostasis caused by dehydration. The deprivation of water is often associated with thirst. Dehydration causes the body to crave water, and drinking a thirst-quenching beverage brings relief and satisfaction to the body. This response is due to the body's natural tendency to maintain a balance of water and electrolytes, which is essential for proper bodily functions such as regulating body temperature, blood pressure, and metabolism.
Drinking a beverage to satisfy thirst also activates the reward and pleasure centers in the brain, leading to a subjective feeling of satisfaction and relief. This response is mediated by various physiological and psychological factors, including the release of neurotransmitters and the perception of quenching one's thirst.
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During the development phase of an intervention, which type of validity is especially salient?
A. Statistical conclusion validity.
B. External validity.
C. Construct validity.
D. Internal validity.
During the development phase of an intervention, construct validity is particularly important in ensuring the accurate assessment and representation of the underlying theoretical constructs.
In the development phase of an intervention, the focus is on establishing the theoretical foundation and refining the intervention to effectively address the intended constructs. Construct validity becomes salient as it ensures that the intervention accurately captures and measures the desired constructs. This involves defining the constructs clearly, selecting appropriate measurement tools, and establishing a strong theoretical framework.
By prioritizing construct validity during development, researchers and developers can lay a solid foundation for subsequent evaluation and implementation stages, ensuring that the intervention is meaningful, aligned with its goals, and capable of addressing the intended constructs effectively.
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Explain how the presence of silica affects the viscosity of
magma.
The presence of silica affects the viscosity of magma because silica is a polymerizing agent that forms a cross-linked structure with other minerals in the magma. The more silica present in the magma, the higher the viscosity. Viscosity refers to the resistance of a fluid to flow. Silica creates a network of bonds within the magma, which makes it more difficult for the molten rock to flow. The network of bonds increases with the addition of more silica.
The viscosity of the magma increases as the silica content increases.The magma with higher silica content tends to be more viscous. If there is a high silica content in the magma, it will be more resistant to flow, which can lead to explosive eruptions. When the magma contains less silica, it is easier for the molten rock to flow out of the volcano, resulting in less explosive eruptions.In summary, silica affects the viscosity of magma as it forms a network of bonds within the molten rock.
The more silica present in the magma, the more viscous the magma becomes. The magma's viscosity determines the type of volcanic eruption that can occur.
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Choose the best answer.
Crossing over is important because it creates
A)gene splicing
B)new breed
C)genetic diversity
D)zygote
E)double helix
Geranium leaves grow in positions that permit the optimum use of light as a result of
Answer:
do you work stop cheat broo this evan btw
Explanation:
Geranium leaves are typically arranged in a way that allows for optimal use of light through a process called "heliotropism" or "solar tracking."
What is heliotropism?Heliotropism is the ability of plants to orient themselves towards the direction of the sun to optimize their exposure to light.
Geranium leaves are arranged in a rosette pattern, with each leaf emerging from the base of the stem and spreading outwards. The leaves are arranged in a way that maximizes their surface area while minimizing shading of other leaves. This arrangement allows the leaves to capture the maximum amount of sunlight possible.
Additionally, geranium leaves have a waxy cuticle that helps to prevent excessive water loss and damage from UV radiation. The leaves also have chloroplasts, which contain chlorophyll and are responsible for photosynthesis, the process by which plants use sunlight to produce energy.
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explain why the blood of an insect does not contain respiratory pigments
Answer:
Explanation: Respiratory pigments like haemoglobin, haemocyani, are needed for transport of respiratory gasses. In insects there is no such pigment in blood, because oxygen is directly delivered to cells by trachea!
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Name two types of a sexual
reproduction which occur in animals
giving one example in each case
Answer:
Meiosis and Fertilization
sexual and asexual reproduction
what is the word for a sequence of steps used to define and solve a problem
Answer:
Algorithm
Explanation:
Algorithm is the process that requires steps. Say for instance you are walking to school, and you don't want to step on a crack. You simply will step over one, and keep on going till you reach school. That's an algorithm.
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which of the following choices reflects the appropriate order of locations through which a protein destined for the plasma membrane travels?
The order of locations through which a protein destined for the plasma membrane travels is Golgi apparatus, Endoplasmic reticulum.
Protein trafficking refers to the process by which proteins are transported to their destination after synthesis. Following translation, a protein is conveyed to the Golgi apparatus through vesicular transport. The transport is mediated by coat proteins and small GTPases. Once a protein is in the Golgi, it is sorted to its final destination. Proteins destined for the plasma membrane travel through the trans-Golgi network and finally reach the plasma membrane.In eukaryotic cells, the endoplasmic reticulum (ER) is the organelle where the majority of secretory and membrane proteins are synthesized. The ER is also the site of post-translational modifications like folding and glycosylation, which are necessary for the proteins to attain their correct conformations. It is in the rough endoplasmic reticulum that secretory proteins, such as those for export outside of the cell, are synthesized.
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Which type of tissue allows for coordination and control of movement?
muscle
epithelial
nervous
connective
De
Answer:
c
Explanation:
Nervous tissue is part of the nervous system that is present in nerves, brain, and spinal cord. By transmission of electrical impulses throughout body, it helps in controlling various activities like voluntary action such as walking, running, and jumping. Thus, nervous tissue is the right answer.
experiment 1: what was the final color of the diffusion bag?
Experiment 1 was an experiment to observe the effects of osmosis on a plant cell. In this experiment, the diffusion bag, made of a semi-permeable membrane, was filled with starch and glucose solutions.
Experiment 1 was an experiment to observe the effects of osmosis on a plant cell. In this experiment, the diffusion bag, made of a semi-permeable membrane, was filled with starch and glucose solutions. The experiment was conducted in two parts. In the first part, the bag was placed in distilled water, and in the second part, it was placed in a sucrose solution. The purpose of the experiment was to determine whether water moves from an area of low solute concentration to an area of high solute concentration or vice versa. This movement of water is known as osmosis.The final color of the diffusion bag in experiment 1 was black. The starch and glucose solutions were both clear and colorless, but when they mixed, they formed a black substance. This was because the glucose reacted with the iodine solution, which was added to the bag as an indicator. Iodine turns blue-black in the presence of starch. Since the starch and glucose solutions mixed inside the diffusion bag, the iodine solution reacted with the starch and turned black. The diffusion of the substances through the semi-permeable membrane was evident in the color change of the contents of the bag.
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