The channels of cytoplasm that run through a cellulose cell wall are called plasmodesmata. These are the minute coaxial membranous channels that are directly able to link the cytoplasm of adjacent plant cells. As a result, active connections are created between the cells.
Similar to the gap junction of animal cells, the plasmodesmata allow for direct molecular interaction between neighboring plant cells by cutting through the cell wall. Due to their presence, the plant cells form a syncytium. Cell membrane lines the plasmodesmata, thus fusing the cell membranes of all adjacent cells into a single, continuous membrane. The plasma membrane is parallel to the cylinder-shaped plasmodesmata. Thus, a single, substantially continuous cell membrane connects all related cells.
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Choose the statement that is true concerning hemoglobin.It is composed of four protein chains and four heme groups.It can bind a maximum of three oxygen molecules.It is found in the plasma portion of blood.When hemoglobin is not bound to oxygen, it appears blue.
The statement that is true concerning hemoglobin is it is composed of four protein chains and four heme groups.
What is hemoglobin?
Hemoglobin is a protein found in red blood cells that carries oxygen from the lungs to the rest of the body. It is made up of four protein molecules (globins) and four heme groups, which contain iron. The iron binds to oxygen in the lungs and releases it as the blood circulates throughout the body. Hemoglobin also carries carbon dioxide back to the lungs so it can be exhaled.
Therefore, The statement that is true concerning hemoglobin is it is composed of four protein chains and four heme groups.
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How does the author convey the idea that food fraud is a serious problem? According to the author, people assume that the ingredients on a food label are label then a pe be LD delicious accurate expensive . If the food ny ingredients, allergies can
The way in which the author conveys the idea that food fraud is a serious problem is by stating by putting the wrong labels on food, it can cause people with allergies to the content of the food to be in serious health danger that could lead to death.
What is Food Fraud?This refers to the term that is used to describe and define any deliberate action of businesses or individuals to deceive others in regards to the integrity of food to gain undue advantage
Hence, it can be noted that food fraud exists in many forms, but incorrect labelling can lead to death for people with allergies to the content of the food.
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Which key detail helps develop the author's idea that food fraud takes many forms? Investigators visited a factory to examine its cheese. Manufacturers may put fillers in some of their products People study ingredients to make sure they are safe
Answer: accurate, leaves out, in danger.
Explanation: It's correct. I hope it helps :)
What is the main concept of the theory of the evolution?.
The qualities that allow creatures to survive in a changing environment will also gradually change or evolve, according to the theory of evolution.
Charles Darwin and Alfred Russel Wallace coined the phrase "theory of evolution by natural selection" in the nineteenth century. According to the natural selection principle, organisms create more offspring that are capable of surviving in their surroundings. Those with more physical ability can survive, develop, and reproduce. Conversely, those that lack such fitness either never reach the age at which they can reproduce or have fewer offspring than their peers.
Natural selection states this as "survival of the fittest". This "fittest" in organisms represents those that are best adapted to their environment and are the ones who reproduce most successfully. They are most likely to pass on their traits to the next generation.
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nervous system subdivision that is composed of the brain and spinal cord
central nervous system subdivision that is composed of the brain and spinal cord. it is the vitally important system and processing centre of the body.
The brain and spinal cord make up the bulk of what's known as the central nervous system( CNS), a portion of the nervous system. The central nervous system( CNS) is so named because, with the exception of sponges and diploblasts, all multicellular creatures have smarts that integrate the information they admit, coordinate their exertion, and impact the exertion of every part of their bodies that are bilaterally symmetric and triploblastic. It's a structure made of neural towel that's positioned along the body's rostral( nose end) to caudal( tail end) axis. It may have an expanded portion at the rostral end that's the brain. The only brutes with real smarts are arthropods, cephalopods, and invertebrates( precursor structures live in onychophorans, gastropods and lancelets).
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What is a structure consisting of tissues organized to interact and carry out specific functions? .
A. Atom
B. Molecule
C. Cell
D. Organ
An organ is a structure made up of tissues arranged in a way that allows them to interact and perform particular functions.
The correct option is D.
An organ in biology is a group of tissues connected to form a structural unit that performs a single function. An organ is positioned between a tissue and an organ system in the biological hierarchy. To work together in a function, tissues are made of cells of the same kind.
An organ is made up of a variety of tissue types and serves a particular purpose. For instance, epithelium and smooth muscle tissue combine to produce the intestinal wall. Organ systems, also known as biological systems or body systems, are made up of two or more organs that cooperate to carry out a certain bodily function.
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Do clams have a brain?.
Clams do not have a brain.
Clams, also known as bivalves, are a type of mollusk that has a soft body enclosed in a hard shell. They have a basic nervous system that consists of a pair of ganglia, which are clusters of nerve cells, located near the front of their body. These ganglia control basic functions such as movement and sensing the environment. However, they do not have a centralized brain or nervous system like other animals.
Clams also lack specialized sense organs such as eyes or ears. Instead, they have a pair of simple eyespots that can detect light and shadow, as well as a pair of statocysts that sense changes in orientation. They also have a pair of siphons that they use to filter water and detect food. These basic sensory structures allow clams to detect danger and respond to their environment, but they do not have the advanced processing capabilities of a brain.
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product remaining after the animal carcass has been processed
The product left behind after the animal carcass has been processed is referred to as a byproduct. The required answer is the byproduct.
A carcass is an animal's body that has been removed from its head, legs, tail, hide, and viscera before being cut into pieces for consumption. And ABPs or animal byproducts are substances derived from animals but not meant for human consumption. Slaughterhouse waste (skin, bones, horns and hooves, blood, fat, and offal) is one example of ABPs.
This work carcass is derived from the French word carcois and the Latin word carcosium. These two words mean Animal dead body. Therefore, the given statement describes byproducts.
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When it comes to cells is it better to have a high surface area to volume ratio or lower?.
A high of the face area to volume rate is generally better when it comes to cells.
This is because it provides the cell with further face area for the transportation of motes and substances in and out of the cell. This is important for cells in order to maintain homeostasis and gain the necessary accoutrements for growth and survival. In addition,
A advanced face area to volume rate can help to increase the rate of chemical responses that do within the cell. This is salutary as it allows the cell to snappily gain the energy it needs to perform its colorful functions. thus, a advanced face area to volume rate is generally more profitable for cells.
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In humans, fruit flies, and many other organisms, most of the genes on the X chromosome are not found on the Y chromosome.
The majority of the genes on the X chromosome are not present on the Y chromosome in humans, fruit flies, and many other animals because of inheritance patterns. Therefore, the given statement is true.
The X and Y chromosomes are two sex chromosomes that play a role in determining sexual orientation. Most mammals, including humans, have a combination of these two sex chromosomes to determine a person's gender.
Y-linked inheritance refers to the location of the gene generating the trait or condition on the Y chromosome and X-linked inheritance refers to the location of the gene on the X chromosome. Compared to genes on non-sex chromosomes, these two chromosomes have genes with unique inheritance patterns. Because males and females have differing copy counts of certain genes.
The complete question is -
State true or false
In humans, fruit flies, and many other organisms, most of the genes on the X chromosome are not found on the Y chromosome.
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what is one way eukaryotic cell machinery can distinguish between various membranes in the cell?
The use of lipids and proteins that make up the different membranes is one way eukaryotic cell machinery can distinguish between them.
Lipids and proteins have distinct chemical properties that allow the cell's machinery to sort them selectively.
The endoplasmic reticulum (ER), for example, is made up phospholipids, whereas the plasma membrane is made up of a combination of phospholipids, cholesterol, and glycolipids.
Furthermore, the cell can use specific protein receptors to recognize and sort different types of lipids and proteins. These receptors bind to specific lipids and proteins, allowing the cell to distinguish between the various membranes.
Finally, the use of distinct lipids and proteins, as well as specific protein receptors, enables eukaryotic cells to distinguish between different membranes within the cell.
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the biological approach to psychology focuses on the brain and ____
the biological approach to psychology focuses on the brain and nervous system.
The scientific study of the mind and behaviour is called psychology. Understanding how the mind, brain, and behaviour function is a major area of study for psychologists.
The nervous system, hormones, and genetics are the main focuses of the study of the biology of behaviour, commonly referred to as physiological psychology or biological psychology. Biology-based psychology looks at how the brain works, how the mind and body interact, and how genetics affect behaviour.Understanding how biological elements including genetics, biochemistry, nervous system physiology, and evolution affect human behaviour is the goal of the biological approach to psychology.
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which stomach compartment of ruminants is considered to be the true stomach?
Answer:
the abomasum
Explanation:
During____________,
the inactive X chromosome is
silenced by packaging into inactive heterochromatin.
X-inactivation the inactive X chromosome is silenced by packaging into inactive heterochromatin.
What is X-inactivation ?X-inactivation (also called Lyonization, after English geneticist Mary Lyon) is a process by which one of the copies of the X chromosome is inactivated in therian female mammals. The inactive X chromosome is silenced by being packaged into a transcriptionally inactive structure called heterochromatin.The silent X chromosome in mammalian females is a classic example of facultative heterochromatin, the term highlighting the compacted and inactive nature of the chromosome. However, it is now clear that the heterochromatin of the inactive X is not homogeneous--as indeed, not all genes on the inactive X are silenced.X-chromosome inactivation occurs randomly for one of the two X chromosomes in female cells during development. Inactivation occurs when RNA transcribed from the Xist gene on the X chromosome from which it is expressed spreads to coat the whole X chromosome.To learn more about X-inactivation refers to:
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Help guys I have until 6 am tomorrow Describe the progression of the speciation process of Galapagos finches. Name each step (there are five), and describe each.
The Darwin's finches are an well-known illustration of an evolutionary change. About 2 million years ago, their common ancestor made their way to the Galapagos. The Darwin's finches over time have developed into 15 different species with distinct body sizes, beak shapes, songs, and feeding habits.
How did the Galapagos finches fare?Finches of Daphne Major, number 1 When there were fewer little seeds accessible to finches just on Galápagos island at Daphne Major around 1977 due to a drought, a significant number of small-beaked finches perished.
Galapagos finches: how did they develop?Finches evolved on the Galápagos Islands based on the diverse types of food available there; long, pointed beaks were useful for snatching insects, while broad, blunt snouts are excellent for breaking seeds and nuts.
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Can snails fall in love?.
Yes, Although it's possible for snails to experience love biochemically, there's no guarantee that they do so for socially or evolutionarily sound reasons.
Snails do copulate for the purpose of reproduction, which can be seen as a type of love. Some snail species engage in a courtship dance before copulation in which they fire calcareous darts, sometimes known as "love darts" (the darts themselves are not used in sperm transfer). Hormones most likely have an impact on reproductive habits.
Snails typically mate in both the male and female roles when they encounter a partner because they are hermaphrodites (they have both male and female reproductive organs). However, if they are alone for a week, experts have shown that they prefer to only mate in the male role.
We don't know if they experience love or pleasure while reproducing, despite the fact that they engage in reproductive actions. Snails at least appear to have a strong preference for cucumbers. We don't sure whether snails experience love or not.
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What is the cytoplasmic thread that connects cytoplasm of adjacent cells in plants?.
A passage between the cell walls of two nearby plant cells is known as a plasmodesma.
Materials can move from the cytoplasm of one plant cell to the cytoplasm of a neighboring cell thanks to plastodesmata.
Plasmodesmata (Pd) are co-axial membranous channels that cross the walls of adjacent plant cells. They connect the cytoplasm, plasma membranes, and endoplasmic reticulum (ER) of cells and enable direct cytoplasmic cell-to-cell communication of both small molecules and macromolecules (proteins and RNA).
Plasmodesmata. (A) All of the cells in a plant are connected by the cytoplasmic channels of plasmodesmata, which breach the cell wall of the plant. (B) Plasma membrane from the two linked cells lines each plasmodesma.
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Do snails have teeth?.
Yes, a snail's mouth contains 1,000 to 12,000 teeth. On their tongue, snails have a band of thousands of small teeth.
However, they don't chew with these teeth. In its place, the food is first shredded by the teeth before passing through the tongue. They lose their teeth and grow new ones when they become dull.
Thousands of teeth on snails are used for cutting and scraping food. The radula is made up of rows of teeth that are strung together on a chitinous ribbon. Around 12 000 teeth, or 120 rows of 100 teeth, make up a normal radula. Families differ in how their teeth are arranged and shaped.
With a jaw and a flexible band of thousands, snails and slugs consume.
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_____ is a process in which plants take energy from the sun or other light source and convert it into sugar, which can be converted to other food molecules.
Answer: photosynthesis
Explanation:
What are three mutations examples?.
Animals with extra body parts after birth, such as two-headed snakes, ducks with four legs, and a cat with a cyclops head, are examples of mutations.
These mutations frequently result in an animal's demise just a few days or a few hours after birth.A gene mutation or chromosomal aberration is frequently the cause of genetic diseases in humans. Angelman syndrome, Canavan disease, colorblindness, cystic fibrosis, Down syndrome, Duchenne muscular dystrophy, haemochromatosis, haemophilia, Klinefelter syndrome, phenylketonuria, Prader-Willi syndrome, and Turner syndrome are other instances of common mutations in people. Those exhibiting chimaera, sports, or breaks in plants are examples of mutations. Any plant's stems, blooms, or fruit may alter in appearance due to these natural occurrences, which can also affect the foliage.
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What makes a pedigree X-linked recessive?.
Genetic problems connected to mutations in genes on the X chromosome are known as X-linked recessive inheritance. As a result of having only one X chromosome, a male with this mutation will experience symptoms.
Generally speaking, a girl who carries a gene mutation in one X chromosome but has a normal gene on the other X chromosome is unaffected. When completing this pedigree with X-linked recessive inheritance, use the symbols X and Y in the genotype to indicate the sex chromosomes that were passed down from the preceding generation. The trait's alleles will be found on the X chromosome, whereas the Y chromosome won't have any of them. Shaded females who are manifesting the recessive phenotype and who can only have the genotype of XrXr should be used to complete this pedigree with X-linked recessive inheritance.
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Why i it that vegetable tored in the freezer will have their cell damaged, while nowdrop (Galanthu nivali) in cold countrie have to go through harh winter without their cell being detroyed?
Water expand when it is freeze. So, the cell damaged. Where as snowdrops (Galanthus nivali) are hardy tiny plants that can survive harsh winter.
When you freeze produce, you're actually freezing the water that's inside the plant's cells. When water freezes, it expands, forming ice crystals that break down the cell walls. So, compared to when it was fresh, the texture of thawed produce is significantly softer. This is especially valid for food that is often consumed uncooked.
snowdrops (Galanthus nivali) are hardy tiny plants that have evolved to withstand the cold and break through snow. Their sap contains a type of antifreeze that keeps ice crystals from forming, and the tips of their leaves are specifically toughened to break through frozen ground.
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(HELP NEEDED ASAP WILL GIVE BRAINLIEST) After analyzing the radon table above. Which taxon level do all three organisms also NOT have in common?
-Class
-Family
-Order
-Species
An entity used for classification is a taxon (plural taxa). Species, genera, families, orders, classes, phyla (in animals), divisions (in plants), and kingdoms are examples of taxa at various levels of the hierarchical structure, in that sequence.
What is a taxon example?Taxon is the name for a certain hierarchy level used to categorise living things. An entity used for classification is a taxon (plural taxa).Species, genera, families, orders, classes, phyla (in animals), divisions (in plants), and kingdoms are examples of taxa at various levels of the hierarchical structure, in that sequence. Kingdoms are found at the top of a hierarchy, whereas species are found at the bottom. So each included group can be referred to as a taxon (rank). Generic groups are made up of genera, which are made up of families, which are made up of orders, which are made up of orders, and so on.Mangifera indica's Taxonomic TreeMangoliopsida is a suborder of the kingdom plantae.Magnoliophyta as the classAnacardiaceae Family, Order: SapindalesMangifera, genusSpecie: indica.To Learn more About taxon Refer To:
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Liquid formulas that have been introduced as "meal replacers" have been shown to
Meal replacers are foods that are enriched with vitamins and minerals that are substituted for one or two meals of your regular diet.
Yes, liquid formulas marketed as "meal replacers" have been proved to have a limited usage, which can be lifesaving for hospital admissions who are unable to eat regular foods.
Meal replacements can be an effective weight-management technique. Like A nutritional supplement shake is intended to be consumed in place of breakfast, lunch, or supper. They are frequently high in nutrients while being low in calories.
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The correct question is:
Liquid formulas that have been introduced as "meal replacers" have been shown to have a limited use?
A tudy of 40 U. S. Cardiac care center howed the following ratio of nure to bed. 1. 48 1. 16 1. 24 1. 52 1. 30 1. 28 1. 68 1. 40 1. 12 0. 98 0. 93 2. 76 1. 34 1. 58 1. 72 1. 38 1. 44 1. 41 1. 34 1. 96 1. 29 1. 21 2. 00 1. 50 1. 68 1. 39 1. 62 1. 17 1. 07 02. 11 2. 40 1. 35 1. 48 1. 59 1. 81 1. 15 1. 35 1. 42 1. 33 1. 41
Data cumulative lower upper midpoint width frequency percent frequency percent 1.80 < 2.00 1.90 0.20 4 10.0 37 92.5.
What is cardiac care center?
A cardiac care unit (CCU) is a specialized hospital ward designed to treat people with serious or acute heart problems.A cardiac care unit focuses on patients with heart problems, while an ICU provides care for patients with a wide range of life threatening conditions. Intensive care, critical care, and cardiac care units all treat people with critical conditions, and use similar equipment to monitor and care for them.The main feature of CICU is the availability of the continuous monitoring of the cardiac rhythm by electrocardiography (ECG). This allows early intervention with medication, cardioversion, or defibrillation, improving the prognosis of the severe CVD patients.To learn more about care refers to:
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fungal organisms morphologically consistent with candida species
A yeast-like fungal organisms called Candida is the source of the fungal infection known as candidiasis. Candida typically coexists with healthy skin and parts of the body like the mouth, throat, gut, & vagina without posing any health risks.
The forms of fungi can range form ovoid to filamentous. Various morphological kinds of fungi may coexist in a particular population. The unicellular forms reproduce via budding or fission, whereas the filamentous forms expand by elongation.A yeast-like fungal organisms called Candida is the source of the fungal infection known as candidiasis. Candida typically coexists with healthy skin and parts of the body like the mouth, throat, gut, & vagina without posing any health risks. The filamentous version can enter the tissues of the host. About. The yeast (or fungus) called Candida is the source of the infection known as candidiasis. In the body, including the mouth, throat, gut, & vagina, Candida often exists without creating any issues. If vaginal conditions change to favour Candida growth, an infection may result.
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insulin plays a vital role in carbohydrate metabolism. what is its role?
The main hormone involved in glucose metabolism, insulin also plays a role in protein and fat metabolism.
By enhancing glucose transport in muscle and adipose tissue and promoting the synthesis of glycogen, fat, and protein, it reduces blood sugar levels.
Insulin's anabolic effects are countered by glucagon's catabolic effects. This hormone promotes gluconeogenesis and glycogenolysis. An indicator of whether a scenario is anabolic or catabolic is the molar insulin:glucagon ratio. Epinephrine opposes the effects of insulin as well. Similar to glucagon, it promotes glycogenolysis. Additionally, it prevents the release of insulin and lessens the peripheral tissues' sensitivity to insulin.
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Which supports the valves and openings of the great vessels of the heart?(a.) Pericardium(b.) Papillary muscles(c.) Chordae tendineae(d.) Fibrous skeleton
The fibrous skeleton will support the valves and the openings of the great vessels of the heart.
what are the different layers of the heart ?
Connective tissue, endothelium, and cardiac muscle make up the heart wall. The cardiac muscle allows the heart to contract and allows the heartbeat to be synchronised. The heart wall is made up of three layers: the epicardium, the myocardium, and the endocardium.
The epicardium is the heart's outer protective layer.
Myocardium: the heart's muscular middle layer wall.
Endocardium: the heart's inner layer.
The fibrous skeleton will support the valves and the openings of the great vessels of the heart.
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chromatin coils and condenses to form deeply staining bodies_____
Chromatin coils and condenses to form deeply staining bodies through cell division, chromosomes are termed.
What are chromosomes?Chromosomes are lengthy, coiled structures consisting of DNA and proteins that are located in the nucleus of a cell. They hold the genetic material and act as the carriers of genetic information in cells.
How does chromatin coils form straining bodies?During the mitotic prophase, chromatin coils and condenses to produce highly stained bodies. Chromosomes, which are observable structures, are formed during this phase as the chromatin fibres in the cell's nucleus become increasingly compressed. Each chromosome is made up of two sister chromatids that are identical to one another and are joined at the centromere. Because DNA, a highly basic molecule that aggressively interacts to the negatively charged dyes employed in staining procedures, is present in high concentrations in chromosomes, these structures are intensely stained. As a result, the chromosomes are able to become dark and be seen clearly under a microscope.
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How has the emergence of life changed in terms of size and complexity over the past 550 million years?.
About 500 million years ago emergence of life , fungus and plants first emerged. Arthropods quickly followed them. Around 300 million years ago, amphibians followed, then mammals around 200 million years later.
How has the idea of life changed over time?At least 3.5 to 4 billion years ago, life on Earth first evolved, and it has continued to do so ever since. At initially, there were just single-celled, primitive species on Earth. When the first multicellular organisms appeared much later, the biodiversity of the planet significantly increased.
Approximately 3 billion years ago, what kind of life was evolving on Earth?At that time, bacteria were found in African rock. Numerous fossilized bacteria with a similar structure that date to around 3000 million years ago have been discovered in Australia and America.
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what is one way eukaryotic cell machinery can distinguish between various membranes in the cell?
One way eukaryotic cell machinery can distinguish between various membranes in the cell is through the use of lipids and proteins that make up the different membranes.
Lipids and proteins have unique chemical properties and can be selectively sorted by the cell's machinery.
For example, the endoplasmic reticulum (ER) is composed of phospholipids, while the plasma membrane is composed of a mixture of phospholipids, cholesterol, and glycolipids.
Additionally, the cell can also use specific protein receptors that allow it to recognize and sort different types of lipids and proteins. These receptors bind to specific lipids and proteins, allowing the cell to differentiate between the different membranes.
In conclusion, the use of unique lipids and proteins, as well as specific protein receptors, allows eukaryotic cells to distinguish between various membranes in the cell.
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