Corepressors of nuclear hormone receptors control gene expression by interact with nuclear hormone receptors
Nuclear hormone receptors, such as estrogen receptor and thyroid hormone receptor, are transcription factors that bind to specific DNA sequences and recruit coactivators or corepressors to modify the transcriptional activity of target genes. Corepressors work by recruiting histone deacetylases (HDACs) to remove acetyl groups from histones, leading to chromatin condensation and gene silencing.
This process is known as transcriptional repression. Corepressors can also recruit other chromatin-modifying enzymes, such as methyltransferases and ATP-dependent chromatin remodelers, to further regulate gene expression. Covalent modifications of corepressors, such as phosphorylation, acetylation, and ubiquitination, play important roles in regulating their activity. Overall, corepressors of nuclear hormone receptors are critical for maintaining proper gene expression and cellular homeostasis.
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Which term is an example of mechanical weathering?
O acid rain
O water pollution
O frost wedging
O lichen growth
What are the necessary conditions for the existence of an ecosystem
Answer:
Biodiversity: An ecosystem must have a diverse range of living organisms, including plants, animals, and microorganisms, that interact and depend on one another.
Energy flow: An ecosystem must have a source of energy, such as sunlight, that is used by organisms to carry out their life processes.
Nutrient cycling: An ecosystem must have a process for cycling nutrients, such as carbon and nitrogen, that are necessary for the growth and survival of organisms.
Water: Ecosystems need a source of water to sustain life.
Climate: An ecosystem must have appropriate climate conditions, such as temperature and precipitation, that are suitable for the growth and survival of the organisms that live there.
Physical structure and soil: An ecosystem must have the appropriate physical structure, such as terrain, and soil conditions to support the growth and survival of organisms.
Interactions and feedbacks: A complex web of interactions among organisms and between organisms and their physical and chemical environments are essential for the maintenance of an ecosystem.
The following are four aspects of hepatic (liver) function. Rank them in order of largest to smallest level of organization. A. a protein expressed on the surface of a hepatocyte (liver cell) that mediates movement of glucose across the plasma membrane B. the unusual arrangement of blood vessels that delivers nutrients absorbed from the small intestine directly to the liver. C. small tubes (canaliculi) within the liver that move bile secreted by hepatocytes into ducts that ultimately deliver it to the gall bladder for storage. D. synthesis and exocytosis of serum albumin (a protein) by hepatocytes
The order of four aspects of hepatic (liver) function largest to smallest level of organization are :
B - C - D - A
B) the unusual arrangement of blood vessels that delivers nutrients absorbed from the small intestine directly to the liver
C) small tubes (canaliculi) within the liver that move bile secreted by hepatocytes into ducts that ultimately deliver it to the gall bladder for storage.
D)synthesis and exocytosis of serum albumin (a protein) by hepatocytes
A)a protein expressed on the surface of a hepatocyte (liver cell) that mediates movement of glucose across the plasma membrane
The liver serves a variety of purposes in the body and is a highly metabolically active organ. The parenchymal cells of the liver, known as hepatocytes, perform the biochemical tasks of the liver.
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The Geologic Time Scale is broken up into several periods of time, how is each period different?
Each period within the time scale is different as it represents a unique slice of Earth's history, with different changes in the planet's environment, climate, and life forms.
What is the time scale about?The Geologic Time Scale is divided into several eons, eras, periods, and epochs, each representing a specific interval of time characterized by distinct changes in the Earth's environment, climate, and life forms.
The largest division of the Geologic Time Scale is the eon. There are two eons: the Precambrian and the Phanerozoic. The Precambrian eon covers the majority of Earth's history, from the formation of the planet about 4.6 billion years ago to the beginning of the Cambrian period about 541 million years ago. The Phanerozoic eon began with the Cambrian period and continues to the present day.
In conclusion, each eon is divided into eras, which are further divided into periods.
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What happens after you decompose leaves
Click and drag each intestinal motility mechanism to its description Mixes, chums, promotes absorption, and passes contents to the next segment of the colon Duodenocolic reflex Gastrocolic reflex Occurs 1-3 times per day and moves contents several centimeters Haustral contraction Contents in stomach stimulate colonic motility Mass movement Esophagocolic reflex Contents in small intestine stimulate colonic motility Intrinsic defecation reflex Stimulates muscular contractions in the descending and sigmoid colon
The correct match of the intestinal motility with the description is: (1) Duodenocolic reflex- Contents in small intestine stimulate colonic motility; (2) Gastrocolic reflex- Contents in stomach stimulate colonic motility; (3) Haustral contraction- Mixes, churns, promotes absorption, and passes contents to the next segment of the colon; (4) Mass movement- Stimulates muscular contractions in the descending and sigmoid colon; (5) Esophagocolic reflex- Contents in stomach stimulate colonic motility; (6) Intrinsic defecation reflex- Occurs 1-3 times per day and moves contents several centimeters.
Small intestine is the longest organ of the digestive system. It performs maximum digestion of the food and is present in a highly coiled manner isurrounded by the large intestine.
Colon is the part of the long intestine which is the longest and connected to the small intestine at one end.
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PLEASE HELP ME(People that help)
Polar bears show little protein variation at the intraspecific population genetic level (Allendorf et al. 1979; Larson et al. 1983) and variation for mtDNA and microsatellite DNA that is equivalent to other bears.
What led to the evolution of polar bears?Polar bears Ursus maritimus may be in danger of extinction due to recent climatic changes, but earlier comparable shifts may have had a significant impact on the evolution of the species.
Why are polar bears special?Polar bears may blend into their surroundings thanks to their white fur. In arctic circumstances, its coat is so well-camouflaged that it occasionally seems to be a snow drift. It's interesting to note that the polar bear's fur lacks white pigment.
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Which are the different types of ecosystem answer?
The ecosystem are as follows marine ecosystem.
Grassland ecosystem.
forest ecosystem.
desert ecosystem.
The four ecosystem types are the classifications known as anthropogenic, terrestrial, lentiform, and lotic. An ecosystem is part of a biome, a climate system of life and organisms. Biome ecosystems have living and non-living environmental factors known as biotic and abiotic.
Ecosystems are classified into terrestrial (terrestrial ecosystems) and non-terrestrial (non-terrestrial ecosystems) categories according to their geographical location. The three non-terrestrial habitats are aquatic, marine, and wetlands, and the five major terrestrial ecosystems are desert, forest, grassland, taiga, and tundra.
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Gregor Mendel’s research formed the basis of the field of genetics. dominance. recessiveness. selective breeding.
Gregor Mendel's research formed the basis of a. field of genetics
Genetics is a branch of biology that studies the inheritance of the characteristics of living things which are passed on to their offspring with certain patterns and variations.
Gregor Mendel is a geneticist who put forward the theory of inheritance based on his cross research using pea varieties. There are three theories put forward by Mendel, namely the theory of Mendel's Law I, namely the law of segregation and Mendel's Law II or the law of grouping genes independently. The results of Mendel's research and theory were very useful for the development of genetics and formed the basis of the field of genetics.
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Who describe the concept of natural selection?
Answer:
Hormones
Explanation: Animal sees other mate.
What is the formation of proteins by using information contained in DNA and carried by mRNA?
The formation of proteins by using information contained in DNA and carried by mRNA to ribosomes. Messenger RNA or mRNA copies the DNA codes in the nucleus in a process called transcription and carries the information to the ribosomes in the cytoplasm.
What Are RibosomesRibosomes are the place for the cell to make proteins. Cells that have a high rate of protein synthesis typically have a large number of ribosomes. For example, liver cells in humans are known to have millions of ribosomes. Cells that are actively carrying out protein synthesis will also automatically have nucleoli that are clearly visible.
ribosomes have a small size and a solid round shape. These organelles can be found in eukaryotic cells or prokaryotic cells. In eukaryotic cells, some ribosomes are free and some are bound to the endoplasmic reticulum membrane.
Functions of RibosomesThe function of ribosomes in plant cells and other living things is to make proteins and carry out protein synthesis in cells. Cells need to be produced in order to speed up biological processes. Protein is an important part of the body's organs. In the human body, for example, the function of protein is needed to maintain tissues, speed up chemical reactions, maintain body immunity, and form body structures.
Ribosomes build proteins in two cytoplasmic locations. Free ribosomes suspended in the cytosol. While bound ribosomes are placed outside the membrane network or what is called the endoplasmic reticulum. Most of the proteins made by free ribosomes later function in the cytosol.
For example, enzymes that catalyze metabolic processes in the cytosol. Meanwhile, bound ribosomes generally make proteins to be inserted into the membrane, to be wrapped in organelles, or to be sent outside the cell.
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The graph shows the percentages of different types of lightbulbs shipped to
consumers in North America over three years.
Fluorescent light bulbs made up the majority of the lightbulbs supplied to households in North America during the course of three years, as shown on the graph.
How does fluorescent refer to in terms of lighting?Fluorescent lamps, often referred as fluorescent tubes, are low-pressure mercury-vapor gas discharge lamps that emit visible light by fluorescence. Mercury vapor is excited by a current flow in the gas to produce short-wave ultraviolet light, which illuminates a phosphor covering inside the lamp.
What causes something to fluoresce?An object's ability to absorb light at one wavelengths and then reemit it at a different wavelength is known as fluorescence. A molecule is referred to as a chromophore if it fluoresces, or absorbs about one wavelength then emits it at another.
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Watch this short ted talk (its like 6-8 minutes long) and answer the following questions to it (link for it is in the image)
How did Braitman become interested in mental illness in animals?
Why is it not totally surprising that animals can suffer from emotional distress or mental illness?
The video discusses giving animals human medications like anti-anxiety or anti-depression drugs. Do you think animals should be treated with drugs used for mental illness? Why or why not?
Briefly describe at least two of the disorders that Braitman explains animals can suffer from.
Why do veterinarians often ask about an animal’s behaviors and life during an office visit?
Why does Braitman say that we owe our entire psychopharmaceutical arsenal to animals? Explain.
How could thinking about an animal’s mental health influence veterinary care?
Braitman became interested in mental illness in animals because she observed that her own pets were displaying symptoms similar to human mental illnesses.
It is not surprising that animals can suffer from emotional distress or mental illness because they are living beings with brains and nervous systems that are capable of experiencing emotions and responding to stressors in similar ways to humans.
The use of human medications for animals is a controversial topic. Some argue that it is necessary to provide animals with the same level of care and treatment as humans, while others argue that animals may have different physiological responses to these drugs and that more research is needed before administering them.
Two disorders that Braitman explains animals can suffer from are separation anxiety and compulsive disorders.
Veterinarians often ask about an animal’s behaviors and life during an office visit because it can provide insight into the animal’s emotional and psychological well-being and can aid in diagnosis and treatment.
Braitman says that we owe our entire psychopharmaceutical arsenal to animals because animals have been used in the testing and development of many of the drugs used to treat human mental illnesses.
Thinking about an animal’s mental health could influence veterinary care by leading to more comprehensive and holistic treatment plans that take into account not just the physical symptoms, but also the emotional and psychological well-being of the animal.
What is the medication about?Regarding the use of human medications for animals, it is important to consider the potential benefits and risks of administering these drugs to animals. On one hand, administering anti-anxiety or anti-depression drugs to animals could provide relief from symptoms and improve their quality of life.
On the other hand, there is a lack of research on the safety and efficacy of these drugs in animals, and administering them could have unintended consequences. Additionally, animals may have different physiological responses to these drugs than humans, which could lead to ineffective treatment or adverse reactions.
Therefore, Separation anxiety is a disorder in which an animal experiences severe distress and agitation when separated from its owner or primary caregiver. This can manifest as excessive vocalization, destructive behavior, and attempts to escape.
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50 Points Plsss Help me i want good grade….
1. What role does gravity play in the water cycle?
It causes snow on a mountain to melt.
It causes precipitation to fall to Earth’s surface.
It causes clouds to form in Earth’s atmosphere.
It causes liquid water to evaporate off the surface of oceans.
Water vapor in the air forms rain. The rain falls into a pond. A cow drinks from the pond.
2. Which list best describes the order that water moves through Earth’s spheres in this example?
geosphere, atmosphere, biosphere
atmosphere, biosphere, geosphere
atmosphere, geosphere, biosphere
biosphere, atmosphere, geosphere
Answer:
Explanation:
It pulls precipitation down from clouds and pulls water downhill. Gravity also moves air and ocean water. Cool, dry air is denser than warm, humid air, and ... It's more like water in a sponge. Gravity and pressure move water downward and sideways underground through spaces between rocks. Eventually it ...Over time, water vapor in the atmosphere condenses into clouds and eventually falls as precipitation, rain or snow. When precipitation reaches Earth's surface, ...The moisture in clouds must become heavy enough to succumb to gravity and return to earth's surface. This occurs through two processes.
According to the text, what is the procces by which water vapor in the air changes into liquid water?
A) water in the air
B) water sticks to specks
C) condensation
D) precipitation
What are some qualities needed by registered nurses?
Some qualities needed by registered nurses are Compassion, communication skills, empathy, attention to detail, problem-solving skills, perseverance, sense of humor, and commitment to patient advocacy.
Registered nurses (RNs), the nation's largest healthcare profession, show no signs of slowing down in terms of projected job growth, influence, and demand for leadership skills. Nurses who exhibit a natural tendency to genuinely care about how their patients are feeling will have a significant impact on their success in the nursing field.
The nurse's role depends on her ability to] communicate effectively with other nurses, physicians, other departmental specialties, patients and their families.
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If you were to rub a unflower eed on a piece of paper, it would leave a pot that you would ee when you held it up to the light. Why?
They require 10 days to develop. To develop seeds in paper towels, accumulate the seeds, paper towels, and silicone or plastic sacks. Mark the packs utilizing tape (on the off chance that utilizing silicone sacks) and an indelible marker, with the date and name of the plant.
Plant seeds 4-5 inches separated and 1/2 inch deep straightforwardly into pots loaded up with an around saturated, great quality preparing blend. It requires roughly 8-10 days to develop. At the point when seedlings are a few inches tall, relocate them to bigger pots that are something like 12-18 inches deep while ensuring that they are fanned out.
Remove stalks and 4 crawls underneath heads when external seeds are experienced and internal seeds are moving toward development. Hang topsy turvy in a warm, very much-ventilated region. Cover heads with paper sacks. Trust that seeds will dry out and be completely experienced.
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Glassy, pearly, greasy, and brilliant are all different types of ___.
metallic luster
nonmetallic luster
Answer:
Glassy, pearly, greasy, and brilliant are all different types of nonmetallic luster
Suppose the time between the capture and the recapture is too long and some of the marked animals die. Suppose also that enough new animals are born so that the population size remains constant. Will the death of the marked animals tend to make the estimate of the population size too large or too small? Explain. ____________________________________________________________________________
If the time between the capture and the recapture is too long and some of the marked animals die and also new animals are born so that the population size remains constant, then the death of the marked animals will tend to make the estimate of the population size too large because at a specific time marked animals will represent born and dead animals, thereby overestimating population size.
Why is important to have short periods of capture in population estimation?It is fundamental to have short times during the capture and recapture of animals during population estimation because too long periods may lead to overestimating the size of a population having constant size.
Therefore, with this data, we can see that time during capture and recapture is fundamental since too long periods may lead to an overestimation of the population.
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Since many minerals have the same ___, this is not the best way to classify them.
luster
color
hardness
Answer:
color
Explanation:
colors of lots of stuff are the same
Hope this helps!
what is the name of the class of enzymes that can transfer and covalently bond phosphate groups to molecules?
The name of the class of enzymes that can transfer and covalently bind phosphate groups to molecules is kinase
Enzymes are proteins in cells that act as catalysts, namely compounds that speed up chemical reactions. Enzymes work very specifically according to their substrate, and after participating in the reaction, the enzyme will return to its original state after the reaction is complete.
Enzymes are grouped based on where they work and how they work. Enzymes that work by transferring one element to another are called transferases, an example of this enzyme is kinase. Kinases or also called phosphotransferases are enzymes that catalyze the transfer of high-energy phosphate groups to specific substrates.
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All of the following are parasympathetic effects EXCEPT ____________
a. decreased heart rate.
b. increased stomach secretion.
c. dilation of the bronchioles.
d. constriction of the pupils.
All of the following are parasympathetic effects except decreased heart rate. So, correct option is a.
The parasympathetic sensory system (PSNS) is one of two significant divisions of the bigger autonomic framework in your body. Its capability is to keep the fundamental elements of your body filling in as they ought to. Our PSNS begins in your mind and reaches out through lengthy strands that associate with exceptional neurons close to the organ they mean to follow up on. When PSNS signals hit these neurons, they have a brief distance to head out to their particular organs.
Instances of the areas the PSNS follows up on include:
eyeslacrimal organs that produce tearsparotid organs that likewise produce spitsalivary organs that produce spitnerves in the stomach and trunknerves that go to the bladderincreased heart ratenerves and veins answerable for the male erectionHence, correct option is a.
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Deer need food and water to survive. What are food and water for the deer population?
carrying capacity
limiting factors
population growth
scarce resources
Deer love to come and graze in fields that are home to a broad range of wild flora and flowers.
What do wild plants do?When referring to plants or plant species, the term "wild" describes those that can grow naturally in self-maintaining populations in habitats that are natural or semi-natural and are not directly reliant on human intervention.
What do herbs actually do?In addition to housing crop viruses and other illnesses, wild plants serve as important reservoirs and sources of insects, mites, and nematodes. Certain wild plant species may be required for a virus' alternate host, acting as an essential intermediary.
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What are some examples of tasks performed by registered nurses?
Registered nurses (RNs) are responsible for providing comprehensive patient care in a variety of settings. The scope of practice for RNs is wide-ranging, including assessment, diagnosis, treatment, and management of patients’ health care needs.
RNs can be found in hospitals, doctor’s offices, long-term care facilities, and home health care settings. The following are some examples of tasks performed by registered nurses.
Assessment: RNs are responsible for assessing patients’ physical and mental health needs. This includes taking vital signs, conducting physical exams, reviewing medical records and diagnostic tests, and developing treatment plans. RNs also assess patients’ emotional needs and provide emotional support.
Diagnosis: RNs use their knowledge and expertise to diagnose medical conditions and illnesses. This includes ordering and interpreting medical tests, such as X-rays and blood tests.
Treatment: RNs are responsible for implementing treatment plans. This includes administering medications, performing treatments and procedures, and monitoring patients’ progress.
Management: RNs are responsible for managing the care of their patients. This includes coordinating with other healthcare professionals, such as physicians, physical therapists, and dietitians. RNs also educate patients and families on health promotion and disease prevention.
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How many atoms are in H²O?
H₂O is one molecule of water containing one oxygen atom and 2 hydrogen atoms. A hydrogen atom has a mass of 1.0 u and an oxygen atom has a mass of about 16 u.
Atom is a material that cannot be divided further chemically. In Greek, atom means indivisible (a = not, Tomos = divided). For example, Hydrogen (H), Oxygen (O), Carbon (C), and others.
A chemical element's atomic mass is the atom's mass at rest, generally expressed in atomic mass units.
In the world of chemistry known H is a hydrogen atom and O is an oxygen atom. So, H₂O is one molecule of water containing one oxygen atom and 2 hydrogen atoms.
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What is Calvin cycle is explain it with the help of diagram?
Calvin cycle, also known as the dark reaction, is a series of biochemical reactions that occur in the stroma of chloroplasts in photosynthetic organisms.
The cycle is named after Melvin Calvin, who received the Nobel Prize in Chemistry in 1961 for his research on photosynthesis. The Calvin cycle involves the fixation of carbon dioxide into organic compounds and is a key part of the process of photosynthesis.
The Calvin cycle is outlined in the accompanying diagram. The cycle starts with the fixation of carbon dioxide (CO2) by an enzyme called Rubisco, which uses energy from ATP and NADPH to produce a six-carbon sugar called glucose-6-phosphate (G6P).
This sugar is then converted to other organic molecules such as fructose-6-phosphate (F6P), glyceraldehyde-3-phosphate (G3P), phosphoglycerate (PGA), and triosephosphate (TP). These molecules are then used to synthesize other organic molecules, such as glucose, sucrose, and amino acids. The cycle is completed when the products are released from the chloroplast and used in other cellular processes.
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Explain the difference in function between a unicellular organism and a multicellular organism .
Unicellular organism and a multicellular organism are quite apparent between the number of cells.
Unicellular organism are the single cell of organism such as amoeba which performs both vital life activities. For example: (Assimilation, respiration, repair, and metabolism) and the organismic level of activities (For example: Excretion, reproduction, intake of oxygen as well as exchange of respiratory gases). Unicellular organisms includes in both prokaryotes and eukaryotes and they can be heterotrophs or autotrophs.
Multicellular organisms are the delegate biological responsibilities such as respiration, circulation, digestion, barrier function, and the sexual reproduction to specific organ systems such as heart, stomach, skin, lungs, and the sex organs. Multicellular organisms includes only in the eukaryotes and they will included in both autotrophs as well as heterotrophs
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Classify the statements according to the greenhouse gas they describe. Fossil fuels developed over millions of years and this abundance of gas was released in just over a century The use of fertilizers to keep up with the rising demand for food has resulted in the highest levels of this gas in millenia The atmospheric levels of this gas with high thermal retention capacity were constant until about 150 years ago Nitrogen oxides Carbon dioxide Methane
Such organisms and the fossil fuels they produce are often millions of years old, and occasionally even older than 650 million years. Petroleum, coal, and natural gas are examples of fossil fuels that have high carbon content.
Kerosene and propane are examples of frequently employed fossil fuel derivatives. Under several thousand feet of silt, flammable geologic deposits of organic materials, such as dead plants and animals, are what are known as fossil fuels. Due to the intense heat and pressure within the earth's crust, these deposits began to deteriorate over time and were eventually transformed into natural gas, coal, and petroleum. Carbon dioxide is resealed in multiple amounts during the burning of fossil fuels, acting as a greenhouse gas.
The gases that absorb and release radiation are known as greenhouse gases, and they are what causes the greenhouse effect. The greenhouse gases are methane, water vapour, and carbon dioxide. Fuels known as fossil fuels are produced through the rotting of dead plant and animal carcasses.
These fuels are present in the Earth's crust and mostly consist of carbon and hydrogen. Coal, petroleum, and crude oil are a few examples of fossil fuels. To comprehend how these fossil fuels are generated, we can examine the complete coal formation process.
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What is the central idea of this passage animal farm the pigs?
The central idea of the passage animal farm is the pigs are planning to eventually expel the other animals.
The pigs have made the decision to evenly disperse the farm's resources. The other creatures are starting to plan a plot to hurt the pigs. The pigs want to drive the other animals away once and for all. The pigs are misusing their authority and acting dishonorably. The pigs want to drive the other animals away once and for all.
The pigs extend an invitation to neighboring human farmers to visit Animal Farm. In addition to praising the piglets, the farmers express diplomatic regret for earlier "misunderstandings."
Therefore, the central idea of the passage animal farm is the pigs are planning to eventually expel the other animals.
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organelle in every cell which contains the genetic information
a. true
b. false
It is true that organelle in every cell contains the genetic information and the organelle is the nucleus.
Nucleus is the largest organelle in eukaryotic cell and it is considered to be the cell's control center. Cell organelles are the nuclei, which stores the genetic information; mitochondria, which produce ribosomes and chemical energy, which assembled the proteins. Ever cell in person's body having a same deoxyribonucleic acid. It is a hereditary material almost all the organisms and in humans. In addition to DNA, the nucleus contains a very thick liquid called as nucleoplasm which is similar in composition to the cytosol found in the cytoplasm outside the nucleus.
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