Extraction of lipids from tissue sample requires organic solvent because organic solvents are easily accessible organic solvents keep the temperature low and manageable organic solvents are cheaper lipids are hydrophobic and they can only be solubilized in organic solvent
Answers
To extract lipids from a tissue sample, you will need to use an organic solvent. The main reasons for using organic solvents in this process are:
1. Lipids are hydrophobic: Lipids do not dissolve well in water due to their nonpolar nature. Organic solvents, such as chloroform or methanol, can solubilize lipids efficiently because they have similar hydrophobic characteristics.
2. Organic solvents are easily accessible: Many organic solvents are readily available, making it convenient for researchers and laboratories to use them for lipid extraction.
3. Organic solvents keep the temperature low and manageable: Organic solvents have relatively low boiling points, which helps to maintain a low and manageable temperature during the extraction process. This prevents the degradation of lipids due to high temperatures.
4. Organic solvents are cheaper: The cost of organic solvents is generally lower compared to other alternatives, making them a cost-effective choice for lipid extraction.
In summary, organic solvents are used for lipid extraction from tissue samples because they are hydrophobic, easily accessible, maintain low temperatures during the process, and are relatively inexpensive.
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Related Questions
What statement holds true for the amount of matter in a successful food web?
)
Answers
Answer:
What becomes more will be less
I’m orange, I wear a green hat and I sound like a parrot. What am I?
Answers
This is a carrot whose is in orange colour, wear green hat and sound like a parrot.
What are Vegetables?Vegetables are defined as those parts of plants that are consumed as food by humans or other animals where the original meaning is still commonly used and includes all edible plant parts including flowers, fruits, stems, leaves, roots, seeds in the case applied to plants collectively.
There are several types of vegetables which are as follows:
Leafy green – lettuce, spinach and silverbeet.Cruciferous – cabbage, cauliflower, Brussels sprouts and broccoli.Marrow – pumpkin, cucumber and zucchini.Root – potato, sweet potato and yam.Edible plant stem – celery and asparagus.Allium – onion, garlic and shallot.The carrot is the type of root vegetable which is typically orange in color, though purple, black, red, white, and yellow cultivars exist.
Thus, this is a carrot whose is in orange colour, wear green hat and sound like a parrot.
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What order do they go in?
Answers
The genotype is the allele combination, while the phenotype is the expression of a trait coded by genes. 1) Phenotype, 2) Yellow - Dominant, 3) Capital letter - lowercase letter, 4) Heterozygous, 5) Homozygous, 6) Genotype, 7) Phenotype, 8) Variation.
What are genotype and phenotype?
When talking about genotype we refer to allele combination in an organism concerning a gene coding for a trait. This gene can be diallelic or multiallelic.
Individuals can be either homozygous or heterozygous.
Homozygous individuals carry one type of alleles, either dominant alleles or recessive allelesHeterozygous individuals carry different types of alleles, these are dominant and recessive alleles.Usually, dominant alleles are represented with a capital letter, while recessive alleles are represented with a lowercase.
The phenotype is how an organism expresses or evidences a feature. It is the expression of a gene that codes for a trait.
It refers to the organism's observable physical, biochemical, or behavioral characteristics.
The phenotype is influenced by the individual's genotype and the action of the environment. It depends on how many genes are involved in the feature expression, the interaction among them, and the inheritance pattern.
1) Phenotype
2) Yellow - Dominant
3) Capital letter - lowercase letter
4) Heterozygous
5) Homozygous
6) Genotype
7) Phenotype
8) Variation
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1. Why is Carbon important?
Answers
this is correct answer oky
PLEASE PLEASE HELP (ENVIRONMENTAL SCIENCE)
Fossilized carbon found in ancient plan and animal remains is said to be “_______”.
A. absorbed
B. eroded
C. sequestered
D. transferred
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Fossilized carbon found in ancient plan and animal remains is said to be “transferred”, option D.
What are fossils?Fossils are the remains or inklings of prehistoric plants and animals found embedded in rocks and conserved in ossified forms. They consist of two types; trace and body fossils and are usually converted to fuel.
Carbon is an essential element on earth and its cycle describes how carbon transfers between reservoirs and organisms. It maintains stability of the climate and carbon balance of the earth. Fossilized carbon is transferred to ancient plants and animals which is converted to sediments.
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Answer: eroded
Explanation: I got it correct.
Calcium reabsorption by the kidneys is promoted by the hormone: cortisol. calcitonin. aldosterone. parathyroid hormone. adh
Answers
Calcium reabsorption by the kidneys is promoted by the hormone parathyroid hormone.
What is parathyroid hormone?The parathyroid glands emit a peptide hormone known as parathyroid hormone, sometimes known as parathormone or parathyrin, which regulates the serum calcium content through acting on the gut, kidney, and bone.One or more of the parathyroid glands are hyperactive in primary hyperparathyroidism. The gland thus produces an excess of parathyroid hormone (PTH). Too much PTH raises calcium levels in the blood, which can result in health issues like kidney stones and bone weakening.The following processes are stimulated by the parathyroid hormone: bones' release of calcium into the blood. The intestines' absorption of calcium from meals. kidneys' preservation of calcium.Hypoparathyroidism is a condition in which parathyroid hormone secretion or activity is low. This lack of PTH causes blood phosphorus and calcium levels to rise and fall, respectively.
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Which part of the atom has the most matter?
Answers
Answer:
Nucleus
Explanation:
Answer:
nucleus
Explanation:
Tumors in an endocrine gland cause unregulated release of the hormone or hormones produced by that gland. It there were a tumor in the endocrine part of the hypothalamus that acts on the anterior pituitary, which of the following would result?
A) Hormone from the third endocrine gland would increase but hormone from the hypothalamus and anterior pituitary would decrease.
B) Only hormones from the anterior pituitary would increase.
C) All hormones in the cascade would increase.
D) None of the hormone levels would be changed because of negative feedback.
E) Hormone from the hypothalamus would decrease, but hormone from the anterior pituitary and third endocrine gland would increase.
Answers
Answer: E)
Explanation:
When a tumor develops in an endocrine gland, it can cause unregulated release of the hormone or hormones produced by that gland. If there were a tumor in the endocrine part of the hypothalamus that acts on the anterior pituitary, the answer would be E) Hormone from the hypothalamus would decrease, but hormone from the anterior pituitary and third endocrine gland would increase.
The hypothalamus produces and releases hormones that act on the anterior pituitary to regulate the release of hormones from other endocrine glands. If a tumor were to develop in the hypothalamus, it could disrupt the normal feedback loop and cause unregulated release of hormones. In this case, the hormone from the hypothalamus would decrease because the tumor would be disrupting its release. However, the hormone from the anterior pituitary and third endocrine gland would increase due to the disruption of the normal feedback loop.
So, in summary, a tumor in the endocrine part of the hypothalamus that acts on the anterior pituitary would result in a decrease in hormone from the hypothalamus, but an increase in hormone from the anterior pituitary and third endocrine gland.
A molten, sticky rock thant forces its way through a crack in the Earth’s crust
A.Lava
B.Lahar
C.Magma
D.Scoria
Answers
Answer:
Magma.
Explanation:
This magma can push through holes or cracks in the crust, causing a volcanic eruption. When magma flows or erupts onto Earth's surface, it is called lava. Like solid rock, magma is a mixture of minerals.
In a species of beetle, red body color is dominant to brown. Two red beetles are crossed and produce 31 red and 9 brown offspring (F1 generation). If two red F1 beetles are crossed, what is the probability that both red and brown beetles will appear in the F2 generation? (Note: Assume Mendelian inheritance patterns.)
A) 4/9
B) 1/2
C) 2/3
D) 3/4
Answers
The probability that both red and brown beetles will appear in the F2 generation is ½, option B is correct.
According to the given data, red color is dominant to brown color, so both the parent beetles must have been heterozygous for the red color gene (Rr).
When two Rr beetles are crossed, their offspring (F1 generation) will have the genotype of Rr. When two Rr beetles are crossed, the possible genotypes of the F2 generation offspring are RR, Rr, and rr. The probability of getting an RR genotype offspring is 1/4 or 25%, the probability of getting an Rr genotype offspring is 1/2 or 50%, and the probability of getting an rr genotype offspring is 1/4 or 25%.
Therefore, the probability of getting both red and brown beetles in the F2 generation is the probability of getting Rr offspring, which is 50%. Half of the Rr offspring will have a red phenotype, and the other half will have a brown phenotype, option B is correct.
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A gastroenterologist is a doctor who treats problems of the esophagus, stomach, and intestines. Which organ system is cared for by this type of doctor?.
Answers
Digestive system is cared for by Gastroenterologist.
What organs are the focus of gastroenterologists?The digestive system includes the gastrointestinal tract (esophagus, stomach, small intestine, large intestine, rectum, and anus), as well as the pancreas, liver, bile ducts, and gallbladder. A gastroenterologist is a specialist with knowledge of the disorders and diseases that affect the digestive system.
Who uses the digestive system to treat illnesses?The liver, pancreas, and small intestine can all be transplanted. Numerous medical professionals can aid in the diagnosis and treatment of digestive issues. A physician specialist with further training in the diagnosis and management of digestive diseases is known as a gastroenterologist.
What are the symptoms of Gastrologist?These are the some symptoms of Gastroenterology disease:
Abdominal pain and discomfort.Bleeding in the digestive tract.Constipation and Diarrhoea.Difficulty Swallowing.Severe and persistent Heartburn/indigestion.Stomach upset, nausea, vomiting.Ulcers.Unexplained weight loss.What types of conditions do Gastroenterologists treat?It covers both common and significant diseases such hepatitis, gastroesophageal reflux disease (heartburn), peptic ulcer disease, colitis, gallbladder and biliary tract disease, nutritional issues, irritable bowel syndrome (IBS), and pancreatitis.
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apakah yang berlaku pada isi padu air semasa pemanasan?
Answers
Which is correct about influenza?
a. antigenic shift is a minor change in the viral strain.
b. the virus is found in swine and cats.
Answers
Both statements are true.
The influenza virus undergoes antigenic shift as a minor change in the viral strain and is also found in cats and swine.
The influenza virus is an infectious respiratory disease that affects the respiratory system in humans and animals.
Commonly, this virus is known as flu and for most people, it resolves automatically after some time.
Moreover, it has contagious symptoms ranging from mild to severe.
The most common and widespread systems are headaches, fever, sore throat, coughing, and breathing problems.
In severe cases, pneumonia can also result from this infection as a result of mutational changes.
It is found in cats, whales, humans, and swine.
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Informal letter writing. you are sona/sourav. write a letter to your friend kushi/kannan ,inviting her/him to a pizza hut party to celebrate your birthday. give details reporting the date, venue etc. add interesting details like theme of the party,dress code
Answers
Dear Kushi/Kannan, I hope this letter finds you in good health and high spirits. As you know, my birthday is coming up soon and I'm planning to celebrate it in a special way. I would like to invite you to join me at a Pizza Hut party to mark the occasion. The party will be held on [date], at [venue], starting at [time]. The theme of the party is "Pizza Palooza" and the dress code is casual. You can wear anything comfortable that you like. We will have plenty of delicious pizzas to choose from, along with some tasty side dishes and refreshing beverages. There will also be some fun games and activities to keep us entertained throughout the evening. I really hope you can make it to my birthday party and celebrate with me. It wouldn't be the same without you there. Please let me know if you can come, so that I can make the necessary arrangements. Looking forward to hearing back from you soon. Warm regards, Sona/Sourav.
About BirthdayA birthday is the day a person is born, marking the day life begins outside the womb. In some cultures, commemorating one's birthday is usually celebrated by having a birthday party with family and/or friends. Gifts are often given to people celebrating birthdays.
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Need help! And anyone willing to rp? Hamilton rp?
Answers
Answer:
A. And no.
Explanation:
Acarbohydrate stored in the liver glycogen. Name the gases exchange surface in insect Tracheoles Name one nutrient that is absorbed without being digested
Answers
Answer:
glucose. .water /roughage/fats
In what phase do mosses spend most of their life cycle?
Answers
Answer: The familiar, green, photosynthetic moss plants are gametophytes. The sporophyte generation is very small and dependent on the gametophyte plant.
In an ecosystem, which is NOT a density-
dependent limiting factor?
Answers
A density-dependent limiting factor is a factor that becomes more significant as the population of a species increases. As the population grows, resources become scarce, and competition for these resources intensifies. Examples of density-dependent factors include food availability, disease, predation, and competition for mates.
In contrast, a density-independent limiting factor is a factor that affects the population regardless of its size or density. Examples of density-independent factors include natural disasters like floods, fires, and hurricanes, as well as environmental factors such as temperature, rainfall, and pollution.
Therefore, a factor that is NOT a density-dependent limiting factor is a density-independent limiting factor. These factors can impact a population regardless of its size or density and may play a crucial role in regulating population growth or causing a population decline.
A population of beetles is currently 60 beetles at n=0. The beetle population has an intrinsic growth rate of 150% each generation. The environment can sustain a maximum population of 130 beetles. Find the population of the next three generations, 'y_1' ' 'y_2' and 'y_3' of beetles
Answers
The population of beetles in the next three generations, considering the carrying capacity, is y1 = 130 beetles, y2 = 130 beetles, and y3 = 130 beetles.
The population of beetles can be calculated using the formula: y = y0 * (1 + r)^n, where y is the population at a given generation, y0 is the initial population, r is the intrinsic growth rate (expressed as a decimal), and n is the number of generations.
Given that the initial population (y0) is 60 beetles and the intrinsic growth rate (r) is 150% (or 1.5), we can calculate the population for the next three generations.
For the first generation (y1), we substitute y0 = 60, r = 1.5, and n = 1 into the formula: y1 = 60 * (1 + 1.5)^1 = 60 * 2.5 = 150 beetles.
For the second generation (y2), we substitute y0 = 60, r = 1.5, and n = 2 into the formula: y2 = 60 * (1 + 1.5)^2 = 60 * 6.25 = 375 beetles.
For the third generation (y3), we substitute y0 = 60, r = 1.5, and n = 3 into the formula: y3 = 60 * (1 + 1.5)^3 = 60 * 15.625 = 937.5 beetles.
However, since the environment can only sustain a maximum population of 130 beetles, we need to consider the carrying capacity.
To find the population at each generation while considering the carrying capacity, we compare the calculated population with the carrying capacity and use the smaller value as the population.
For y1, the population is 150 beetles, which exceeds the carrying capacity of 130 beetles. Therefore, y1 = 130 beetles.
For y2, the calculated population is 375 beetles, which is also above the carrying capacity. Thus, y2 = 130 beetles.
For y3, the calculated population is 937.5 beetles, which is still above the carrying capacity. Therefore, y3 = 130 beetles.
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What is the correct answer
Answers
The answer to your question is D.
what effects would artificially increasing progesterone levels have on the reproductive system of an individual with ovaries? assume the artificial increase in progesterone was initiated at the end of one ovarian cycle. be specific, go through the feedback loop.
Answers
If the released egg is fertilized, progesterone prepares the body for pregnancy. If the egg is not fertilized, the corpus luteum degrades, progesterone production decreases, and a new menstrual cycle begins.
After ovulation, progesterone prepares the endometrium for pregnancy. It causes the lining to thicken in preparation for the acceptance of a fertilized egg. It also prevents uterine muscle spasms that might lead the body to reject an egg.
Progesterone levels begin to rise after ovulation and continue to climb until the conclusion of the menstrual cycle. High progesterone symptoms include anxiety and agitation, bloating, breast swelling and soreness, depression, exhaustion, and weight gain, and are comparable to premenstrual syndrome.
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Select the correct answer. Which of the following explains plantar flexion?
A. Pointing your toes down towards the ground.
B. Flexing your ankle towards the sky.
C. Rolling your foot outwards.
D. Rolling your foot inwards.
Answers
Answer:
A. pointing your toes toward the ground
Explanation:
Answer:
A Pointing your toes down towards the ground.
Explanation:
took the test
Which is the strongest claim for a presentation about the global problem of a lack of clean drinking water? It is interesting to note that 82% of people who lack access to improved water live in rural areas, while just 18% live in urban areas. Everyone deserves access to clean drinking water, but it is unlikely that this goal can ever be reached. The United States is one of the many countries that are very lucky to have access to well water, bottled water, and tap water. The lack of access to clean drinking water poses a serious health risk around the world, and funds must be raised to help achieve universal access.
Answers
Answer:
The lack of access to clean drinking water poses a serious health risk around the world, and funds must be raised to help achieve universal access.
what are the five non-living things found in estuaries
Answers
The five non living things in an estuary are; Sediments, Rocks and boulders, Shells and shellfish beds, Salt marsh vegetation, Tidal channels and mudflats
What is an estuary?Estuaries are vibrant, diversified habitats where saltwater from the ocean and freshwater from rivers meet. Estuaries are generally made up of water and living things, but they also frequently contain a number of non-living items.
These inanimate elements help estuaries' physical makeup, geomorphology, and ecological efficiency. They engage in interactions with living things and have an impact on the estuarine ecosystem's general dynamics and health.
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Which of the following is required for the process of natural selection to occur?
A.there must be a sudden environmental change
B.traits must be inherited from on generation to the next
C.Members of different species must compete with one another
D.Members of the same species must compete with one another
Answers
Answer:
Answer B
Explanation:
The traits have to have variation and get passed on to children other wise it cant happen
Natural selection becomes important when members of a specie transfer favorable characteristics from one generation to the next.
The correct answer is option B: traits must be inherited from on generation to the next
According to Charles Darwin, the main driving force of evolution is natural selection.
Natural selection refers to the fact that organisms that are more adapted to their environment tend to thrive and transfer their favorable characteristics to their offspring.
These offspring that have these favorable characteristics tend to live long enough and reproduce thereby changing the gene pool and leading to the perpetuation of only these species having the favorable characteristics.
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What likely species are Santa’s reindeer?
Answers
Answer:
tarandus platyrhynchus
Explanation:
Which of the spiral staircases in the photos is the better analogous representation of a dna molecule?
Answers
]The better representation of a DNA molecule will be the one with grooves in staircase.
What a DNA?The DNA ( deoxy ribonucleic acid) can be described as the molecule inside cells that contains the genetic information responsible for the development and function of an organism.
DNA molecules allows information to be passed from one gene to another through the process of hereditary.
The DNA of most organisms are found inside the nucleus of a cell, where it forms the chromosomes.
The structure of the DNA has been found to be two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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where is liver located
Answers
The liver is a vital organ located in the upper right quadrant of the abdomen, just below the diaphragm.
The liver is the largest internal organ in the human body and plays a crucial role in many important bodily functions.
The liver is responsible for filtering toxins and waste products from the blood, producing bile to aid in the digestion of fats, and regulating the metabolism of carbohydrates, proteins, and fats. The liver also plays a key role in the immune system, producing proteins that help to fight off infections and other diseases.
The liver is made up of several different lobes and is protected by the rib cage. Blood flows into the liver from the hepatic artery and the portal vein, which brings blood from the digestive organs. The liver then filters the blood and removes any harmful substances before sending it back out to the rest of the body.
The liver is a very resilient organ and can regenerate lost tissue, but if it is damaged or diseased, it can lead to serious health problems. Some common liver diseases include hepatitis, cirrhosis, and liver cancer.
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The liver is located in the upper right quadrant of the abdomen, just beneath the diaphragm and above the stomach.
It is the largest internal organ in the human body and is responsible for a variety of important functions, including filtering toxins from the blood, producing bile, and regulating glucose and other metabolic processes.
The liver is divided into two main lobes, the right lobe and the left lobe, which are connected by a structure called the falciform ligament.
The liver also sits on top of the gallbladder which is a small organ located just beneath the liver that stores bile
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Question 12
Please place the steps of primary succession in order from from first (top) to last (bottom).
Reorder answers
1. Exposed bare rock due to volcanic eruption or glacier
2. Pioneer species arrives (like lichen)
3. Deciduous tree move in
4. Small plants start to grow
5. Evergreen trees start growing
6. Soil starts forming and mosses begin growing
Answers
Answer:
Here are the steps of primary succession in the correct order:
Exposed bare rock due to volcanic eruption or glacier
Pioneer species arrives (like lichen)
Small plants start to grow
Soil starts forming and mosses begin growing
Deciduous trees move in
Evergreen trees start growing
I need help with this practice problem Fill in the blanks
Answers
Solid fossil fuel are formed over millions of years by decay of land vegatation or plant remains. When the layers are settled and heated, coal is produced as deposits. Fossil fuels are burned to produce energy. Power plants burn coal or oil to build heat that is consequently used to make steam to drive turbines which generate electricity.
Answer - Solid fosiil fuel formed from decay of land vegetation or plant remains. Produces energy when burned.