What is the best hypothesis for the problem question
below:
"What happens when a thrown tomato is suddenly stopped by a concrete wall?"
Answers
Answer:
its upon sudden impact
Explanation:
Related Questions
what is the endocrine system used for one simple sentence pls
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Which of the following types of cells have a phospholipid bilayer cell membrane?
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Answer: The nucleus, mitochondria and chloroplasts have two lipid bilayers, while other sub-cellular structures are surrounded by a single lipid bilayer (such as the plasma membrane, endoplasmic reticula, Golgi apparatus and lysosomes).
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An injury to which region would interfere with the sleep-wake cycle?
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Why is biomagnification a big problem for top-level predators, and less so for their prey?O the toxic compounds only accumulate in top-level predatorsO herbivores have ways of detoxifying compounds such as DDT and mercuryO each trophic level consumes many individuals of the lower trophic levelO top-level predators have larger bodies, so more room for accumulation of toxinsO the predators are always less genetically variable than their prey
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Biomagnification is a big problem for top-level predators because toxic compounds in the environment accumulate in their bodies over time. This can lead to serious health problems and even death. In contrast, biomagnification is less of a problem for their prey because they are lower on the food chain and consume fewer contaminated organisms.
The process of biomagnification occurs as toxic compounds move up the food chain. Organisms at lower trophic levels consume contaminated water or food, and the toxins accumulate in their bodies. When predators consume these contaminated organisms, they accumulate even higher levels of toxins in their bodies. This is because the toxins are not easily metabolized or excreted, and they become more concentrated as they move up the food chain.
Top-level predators are particularly vulnerable to biomagnification because they have larger bodies and longer lifespans than organisms at lower trophic levels. This means they have more room for accumulation of toxins and are exposed to contaminated prey for longer periods of time. Additionally, predators are often less genetically variable than their prey, which can limit their ability to adapt to changing environmental conditions.
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Which birthmarks are characterized by pink, patch-like lesions that occur from permanent blood vessel abnormalities?
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Although they can form anywhere on the body, strawberry hemangiomas (also known as strawberry marks, nevus vascularis, capillary hemangiomas, or hemangioma simplex) are most frequently found on the face, scalp, back, or chest. They are made up of tiny, narrowly spaced-out blood vessels. They may not be present at birth, but they may appear after a few weeks.
What do birthmarks entail ?Any patch or mark that develops on the skin at birth or very shortly after is referred to as a birthmark. They are common, and many young people have some sort of mark. The majority are benign, and some even go away as the child becomes older. Sometimes a birthmark might be a sign of other conditions or illnesses.
Birthmarks with vascular characteristics result from abnormal blood vessel growth. Either they are wider than usual or there are an excessive number.Learn more about Birthmark here:
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Cranial nerves are which of the following types of nerves?
Answers
Answer:
All of the above
Explanation:
When water reacts with sulfur trioxide to form sulfuric acid in the space below. The equation for this reaction is: H2O + SO2 → H2SO4
Give the before and after of the reaction and explain if the reaction is balanced or not
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The reaction is balanced because each element has an equal amount of atoms on both sides of the equation.
The balanced equation for the reaction between water and sulfur trioxide to form sulfuric acid is:
\(H_2SO_4 + H_2O - > H_3O^+ + HSO_4^-\)
The before and after of the reaction can be written as follows:
Before:
H₂SO₄ + H₂O
After:
H₃O⁺ + HSO₄⁻
The reaction is balanced because the number of atoms of each element is equal on both sides of the equation.
On the left side of the equation, we have:
2 hydrogen atoms (2H) from H₂SO₄
1 oxygen atom (O) from H₂O
1 sulfur atom (S) from H₂SO₄
On the right side of the equation, we have:
3 hydrogen atoms (3H) from H₃O⁺ and HSO₄⁻
4 oxygen atoms (4O) from H₂SO₄ , H₂O, H₃O⁺ and HSO₄⁻
1 sulfur atom (S) from H₂SO₄
Therefore, the number of atoms of each element is equal on both sides of the equation, and the reaction is balanced.
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An aircraft travels with the wind for 120 miles in 0.75 of an hour. The return trip is flown against the wind and takes exactly 1 hour.
Which system of linear equations represents x, the speed of the plane in miles per hour, and y, the speed of the wind in miles per hour? Recall the formula d = rt.
0.75(x + y) = 120
x − y = 120
0.75(x − y)= 120
x + y = 120
120(x + y) = 0.75
120(x − y) = 1
120(x − y) = 0.75
120(x + y) = 1
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The system of linear equations represents x, the speed of the plane in miles per hour, and y, the speed of the wind in miles per hour is 0.75(x + y) = 120, x − y = 120. The correct option is A.
What is linear equation?A linear equation is an algebraic equation with only a constant and a first-order (linear) term of the form y=mx+b, where m is the slope and b is the y-intercept.
The above is sometimes referred to as a "linear equation of two variables," where y and x are the variables.
The total rate of an aircraft traveling with the wind is x + y. When this rate is multiplied by time, 0.75 hour, the distance is 120 miles.
The aircraft's net rate when flying against the wind, on the other hand, is x - y. It traveled the same distance when this rate was multiplied by time, 1 hour. The linear equation system that best describes these situations is,
0.75(x + y) = 120,
x − y = 120
Thus, the correct option is A.
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Right after eating, the main source of glucose is coming from ___
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After eating, the main source of glucose comes from the carbohydrates present in the consumed food.
During digestion, enzymes break down these carbohydrates into simpler forms, such as glucose. This glucose is then absorbed into the bloodstream, causing a rise in blood sugar levels.
The body's primary source of energy is glucose, and maintaining adequate blood sugar levels is crucial for optimal functioning. The hormone insulin, secreted by the pancreas, plays a key role in regulating glucose uptake by cells, allowing them to use it as fuel for various metabolic processes. Excess glucose can be stored in the liver and muscles as glycogen, which can later be converted back into glucose when needed.
In summary, right after eating, the main source of glucose is the carbohydrates present in the food we consume. The body breaks down these carbohydrates into glucose during digestion, which then enters the bloodstream and is used by cells for energy or stored for later use.
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the synthesis of a tripeptide by a prokaryotic cell requires many steps. which list places steps in the correct order of action (not all steps are represented)?
Answers
Aminoacyl-tRNA binding; peptide-bond formation; elongation factor G binding.
What about prokaryotic cell?A single-celled organism known as a prokaryote is devoid of a nucleus and other membrane-bound organelles. The Greek letters v and v are where we get the word prokaryote. Prokaryotes were categorized under the empire Prokaryota in the two-empire system developed by Édouard Chatton.The earliest single-celled microbes on Earth are prokaryotic cells. Bacteria and archaea are prokaryotes. Cyanobacteria are among the prokaryotes that carry out photosynthesis. Since a prokaryotic cell only has one membrane, all processes take place in the cytoplasm.Separate prokaryotic subgroups with purportedly distinct evolutionary histories are called bacteria and archaea.All prokaryotic cells have a nucleoid area, ribosomes, which create proteins, DNA and RNA as their genetic material, and cytosol, which has a cytoskeleton and organizes cellular components. Prokaryotic creatures, on the other hand, are a tremendously diverse collection of living things and exist in a wide range of sizes and shapes.Learn more about prokaryotic cell here:
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an infant with a total blood volume of 800 ml would start showing signs of shock when as little as (fill in the blank) of blood is lost.
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An infant with total blood volume of 800 ml starts showing signs of shock when as little as 100ml of blood is lost.
Why does infant show sign of shock when blood is lost?Bleeding internally is the result of trauma or an injury. Blood stasis is a term that means that the blood is not flowing as optimally as it could to all parts of the body and is considered to be one of the major causes of pain.
Intra-abdominal hemorrhage during pregnancy is rare and a dangerous complication of pregnancy. It can be characterized by high perinatal mortality and delay in treatment may lead to maternal death.
General problems that may cause light bleeding later in the pregnancy are inflammation of or growths on the cervix.
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Adult female monkeys from one population breed with male monkeys of a nearby population. The introduction of new alleles into the first population's gene pool is an example of
Answers
Answer:
The introduction of new alleles into the gene pool of the first population, from another population, is an example of gene flow.
Explanation:
In population genetics, gene flow consists of the passage or transfer of gene alleles between populations, a process that is related to the migratory dynamics of a population.
When gene flow occurs, a population can gain new genetic material or lose it, which is reflected in traits or characteristics of that population.
If an adult monkey interbreeds with an adult monkey from another population there will be a gene flow that will probably introduce specific trait information into the gene pool of their respective populations.
The burrowing owl is found in dry, open areas such as grasslands, prairies, savannas, deserts, farmlands, golf courses, and other urban areas throughout most of western United States and Florida, Central America, and most of South America. It makes its home in burrows of other animals and primarily eats insects and small rodents. As humans build more cities, nearby burrowing owl habitats change due to destruction of burrows and loss of prey. Which is the least likely outcome of the habitat changes that are described?
Answers
Answer:
its population would increase
Explanation:
it says the least likely outcome which is the population increasing
Answer:
C
Explanation:
.This biome is characterized by having 200-500 cm of precipitation per year and vegetation dominated by tall, broad leaved evergreen trees.
A. grasslands
B. temperate deciduous forests
C. savannas
D. tropical rain forests
E. taiga
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D. tropical rain forests. This biome is characterized by having 200-500 cm of precipitation per year and vegetation dominated by tall, broad leaved evergreen trees.
Tropical rain forests are characterized by high levels of rainfall, typically ranging from 200 to 500 cm per year. The vegetation is dominated by tall, broad-leaved evergreen trees, which form a dense canopy that shades the forest floor. This biome is found in equatorial regions, where temperatures are warm and consistent throughout the year.
Based on the information provided, the biome that is characterized by having 200-500 cm of precipitation per year and vegetation dominated by tall, broad-leaved evergreen trees is the tropical rain forest biome.
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compare the neural pathways of each sense organ to the brain. how are these pathways similar? different?
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The neural pathways are similar in that they involve specialized sensory receptors that transduce sensory information and neural pathways that transmit the sensory information to the brain for processing. However, they differ in terms of the specific sensory receptors involved, the neural pathways that transmit the information, and the brain regions that process the information.
In general, sensory information is transduced by specialized sensory receptors located in the sense organs, such as the eyes, ears, nose, tongue, and skin.
Some of the similarities and differences between the neural pathways of each sense organ to the brain are: Visual pathway: The neural pathway for vision begins with the specialized photoreceptors in the retina of the eye.
Auditory pathway: The auditory pathway begins with the hair cells in the cochlea of the inner ear. The auditory nerve carries the auditory information from the cochlea to the brainstem, where it is relayed to the thalamus and then to the primary auditory cortex in the temporal lobe for processing.
Olfactory pathway: The olfactory pathway begins with the olfactory receptors in the nose. The olfactory nerve carries the olfactory information from the receptors to the olfactory bulb, where it is processed and relayed to higher brain regions for further processing.
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Whats the answer pls
Answers
Answer
c ribose sugars
plus can you Brainliest me? its an icon near stars rating and it looks like a king icon
Explanation:
Answer:
c)ribose sugars
Explanation:
Advantages of using tidal power include O no alr pollution
Otides are predictable
O low environmental Impact
O all of these
Answers
Answer:
all of these :)
Explanation:
i think
Answer:
Yes The Correct answer is ( All Of These)
explanation:
how do organisms generate energy when oxygen is ot available
Answers
Answer:
Fermentation releases energy from food molecules by producing ATP.
What is a controlled experiment? Describe an example you could perform to determine whether ants are more attracted to Kool-Aid® or to honey.
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Answer:
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
Hope this helped a bit c;
I feel like you are able to answer the rest of this question.
A typical power plant generate about 20 metric tons of high level radioactive waste per year. If 75% of this waste is U235 and the substance is considered safe when <100kg is remaining, how long would the waste need to be stored to be safe?
Answers
The high-level radioactive waste would need to be stored for approximately 3.55 billion years to be considered safe, assuming that 75% of the waste is U235 and the safe threshold is <100kg of remaining U235.
What is a radio active decay equation?If a typical power plant generates about 20 metric tons of high-level radioactive waste per year, and 75% of this waste is U235, then the amount of U235 generated per year is:
20 metric tons/year x 75% = 15 metric tons/year
To determine how long the waste needs to be stored to be considered safe (i.e., <100kg of remaining U235), we can use the radioactive decay equation:
\(N(t) = N0 * e^(-λt)\)
where:
N(t) is the remaining amount of U235 at time t
\(N_{0}\) is the initial amount of U235 (15 metric tons in this case)
λ is the decay constant of U235
t is the time elapsed
The half-life of U235 is 703.8 million years, which means that λ =\(ln(2)/t1/2\) = \(9.85 x 10^-10\) per year.
Substituting these values into the equation, we can solve for t:
\(100 kg = 15 metric tons * e^(-9.85 x 10^-10 * t)\)
\(ln(100 kg/15 metric tons) = -9.85 x 10^-10 * t\)
\(t = ln(100 kg/15 metric tons) / (-9.85 x 10^-10) = 3.55 x 10^9 years\)
Therefore, the high-level radioactive waste would need to be stored for approximately 3.55 billion years to be considered safe, assuming that 75% of the waste is U235 and the safe threshold is <100kg of remaining U235.
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First one to answer gets BRAINLEIST! :D
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Answer:
B and D
Explanation:
58. Which of the following Kingdoms contain multicellular organisms? *
Answers
Answer:
The answer is fungi.
Which of the following is a feature of osteoporosis? It causes significant alterations in the blood levels of parathormone and calcitonin It is most common in men over 45 years of age It is impossible to detectable using blood tests It results from short-term deprivation of dietary calcium It affects about 30 million people in the U.S. How do certain polyphenols prevent iron absorption? Binding to and chelating iron from the diet Preventing uptake of iron by mimicking the structure of iron Destroying transferrin Causing rapid loss of ferritin What is the major cause of iron deficiency? Blood loss from parasitic infections of the GI tract Sweating in humid conditions Hereditary defect Exposure to environmental toxins Blood loss Which of the following are good sources of dietary calcium? Berries and some tree fruits Enriched grains Pasta and rice Low fat dairy products, Dark green leafy vegetables like spinach and Swiss chard
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Osteoporosis is a disease that results in weak and brittle bones. This makes bones easily breakable. The correct option among the given options is: It affects about 30 million people in the U.S.The disease, osteoporosis, is characterized by brittle and fragile bones that break easily. It's impossible to detect using blood tests.
Calcium deprivation in the short term causes it. The disorder is most common in women over the age of 50, but it can also affect men. It is possible to prevent osteoporosis by incorporating calcium into the diet. Polyphenols are plant compounds that have a variety of health advantages. They are found in various types of plants, including fruits, vegetables, tea, and red wine. Polyphenols are broken down in the large intestine by gut bacteria. This allows the creation of many chemical compounds that have various effects on the body. Certain polyphenols can prevent the absorption of iron. This occurs by binding to and chelating iron from the diet. As a result, the polyphenols protect cells from free radical damage caused by iron by reducing the quantity of iron in the bloodstream.
Polyphenols are also known to influence the transport of iron in the body. Blood loss is the primary cause of iron deficiency. It might be due to parasitic infections of the GI tract or menstruation in women. Sweat and environmental toxins do not cause iron deficiency, while hereditary defects might cause anemia. Dietary iron deficiency is caused by a lack of iron in the diet. Dairy items like cheese and milk are excellent sources of calcium. They're also found in fortified cereals, leafy green vegetables, almonds, and fish. The body demands calcium to maintain healthy bones and teeth. It also has a variety of other functions in the body. Calcium is present in a variety of foods, and a well-balanced diet should supply the necessary amount of this mineral.
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Some examples of exothermic devices
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Exothermic devices are devices that release energy in the form of heat, light, or sound, and some examples are combustion engines, explosives, gas burners, incandescent light bulbs, etc.
One of the most common types of exothermic devices is the combustion engine, which is used in vehicles and other machinery to produce kinetic energy. In a combustion engine, fuel and air are mixed together and ignited, producing a rapid exothermic reaction that releases energy in the form of heat and expanding gases. This energy is then used to power the engine and propel the vehicle forward.
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Is climate science historical science, operational science, or
is it both? How does one’s worldview affect how they view climate
change? Pick a stance and defend your answer.
Answers
Climate science is a combination of both historical science and operational science. Climate science involves understanding the Earth's past climate and current climate and predicting future changes.
Operational science is focused on studying current natural phenomena, while historical science examines past events that are not currently happening or can't be observed anymore. Climate science combines the two as it studies past climate changes and current climate changes, and uses that information to make predictions about the future. Hence, climate science is both historical science and operational science.
A person's worldview can affect how they view climate change. For example, those who believe that human beings are the primary cause of climate change may advocate for increased environmental protection measures. Others may be more skeptical about the role of human activity in climate change, believing that it is part of a natural cycle that has happened before. Still, others may deny the existence of climate change entirely, believing that it is a hoax or exaggeration by the media or scientists. I believe that climate change is real and largely caused by human activity, but I understand that others may have different views based on their worldview and experiences. It is essential to consider different perspectives and gather as much information as possible to make informed decisions about how to address climate change.
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when making the baseline of your tlc plate, why do you use a pencil to trace the baseline straight across the plate at least 1-2 cm from the bottom of the plate?
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A pencil is commonly used to draw the baseline straight across the TLC plate at least 1-2 cm from the bottom of the plate because pencil markings are stable.
When performing Thin Layer Chromatography (TLC), the baseline is an important reference point used to measure the migration distance of the analyte spots. A pencil is commonly used to draw the baseline straight across the TLC plate at least 1-2 cm from the bottom of the plate for several reasons:
1. Pencil markings are non-reactive: Pencil marks are made using graphite, which is non-reactive and does not interfere with the separation or analysis of the analyte. Other writing instruments, such as pens or markers, may contain chemicals that could contaminate the sample or interfere with the chromatographic process.
2. Pencil markings are stable: Pencil marks are relatively stable and do not easily dissolve or smudge when the plate is exposed to solvents during the chromatographic process. This ensures that the baseline remains visible and intact throughout the separation.
3. Pencil marks are easily visible: Pencil marks are typically dark and contrasting against the TLC plate's surface, making it easier to identify and measure the migration distances accurately. The baseline should be clearly visible to ensure precise measurements of spot migration.
4. Adequate distance from the bottom of the plate: By drawing the baseline at least 1-2 cm from the bottom of the plate, you provide sufficient space for the solvent to migrate and carry the analyte spots without interfering with the baseline. This distance allows for a clear separation between the baseline and the spots, making it easier to measure their migration distances accurately.
Overall, using a pencil to trace the baseline straight across the TLC plate at an appropriate distance from the bottom ensures visibility, stability, and non-interference with the chromatographic process, allowing for accurate measurements and analysis.
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Coat color in mice is another excellent example of epistasis. In mice agouti (A) is the wild type, yellow, coat color, which is dominant to the black (a) coat color. A different gene controls whether or not the pigment is deposited in the fur. The dominant allele (D) allows the pigment, while the recessive allele (d) causes albinism in the mouse, regardless of the A/ a allele. If a mouse with the genotype AADd is crossed with a mouse that has a genotype aaDd, what will the phenotypic ratios of the offspring be?
Answers
The phenotypic ratio of the offspring if a mouse with the genotype AADd is crossed with a mouse that has a genotype aaDd, will be 4:2, yellow with pigment to yellow without pigment.
To determine the phenotypic ratios of the offspring, we need to first determine the gametes produced by each parent. The first parent (AADd) can produce four different gametes: AD, Ad, AD, and Ad. The second parent (aaDd) can also produce four different gametes: aD, aD, ad, and ad.
To determine the genotypes of the offspring, we can use a Punnett square.
| | A D | A d |
|---|---|---|
| a D | AaDD | AaDd |
| a d | Aadd | Aadd |
From the Punnett square, we can see that there are two possible phenotypes of the offspring: yellow (agouti) with pigment or yellow (agouti) without pigment.
The yellow with pigment phenotype (A_D_) is produced by the following genotypes: AADD, AADd, AaDD, and AaDd.
The yellow without pigment phenotype (A_dd) is produced by the following genotypes: Aadd and aaDd.
Thus, the phenotypic ratio of the offspring will be 4:2, yellow with pigment to yellow without pigment.
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if you wanted to eliminate wind what would be the best way to do it
Answers
Answer:
The best way to eliminate the wind is to build barriers.
Explanation:
As you may already know, the wind is a large-scale flow of gases. This flow is palpable and can be prevented from entering certain places by building physical barriers that block the flow. In this case, the construction of barriers prevents the wind from advancing and reaches a certain region, because it causes the wind to crash against this barrier and be pushed back, prevented from advancing.
A model of natural selection is shown here with a small beetle population. Some green beetles in the original population are shown as dying by predation. The resulting population several generations later is shown on the right. Which of these explanations should be selected to account for the changes in the population of beetles shown here?
Answers
The explanation which should be selected to account for the changes in the population of beetles in this scenario is that beetles with brown coloration survived with greater frequency in the original population, resulting in a greater frequency of brown beetles in subsequent populations which is therefore denoted as option D.
What is Population?This is referred to as the total number of organisms which are present in an area over a given period of time and is dependent on various factors such as environment etc.
In this scenario, beetles with brown coloration survived with greater frequency in the original population. This therefore led to them undergoing reproduction with the others who have such color in the ecosystem.
The result will therefore be a greater frequency of brown beetles in subsequent populations due to it being a dominant color thereby making it the correct choice.
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The options are:
A) Individual green beetles evolved to be less adapted, resulting in a change in allele frequencies in future generations.
B) Individual brown beetles evolved in the presence of the predator to be better adapted, making it more common in future generations.
C) Green beetles that survived the presence of the predator migrated to different populations, decreasing their frequency in the subsequent populations.
D) Beetles with brown coloration survived with greater frequency in the original population, resulting in a greater frequency of brown beetles in subsequent populations
a membrane is composed of about 75% lipid and 25% protein by weight. how many molecules of membrane lipid are there for each molecule of protein? (assume that the average protein has a molecular weight of 50 kda and the average lipid has a molecular weight of 750 da)
Answers
The ratio of lipid to protein in a membrane is 75% lipid to 25% protein by weight. To find the ratio of molecules, we need to convert the weight percentages to molecular ratios based on molecular weights.
First, we'll convert the molecular weights of the protein and lipid from kDa and Da to grams.
50 kDa = 50 x 10^3 Da = 50 x 10^3 / 6.022 x 10^23 g/mol = 83.33 g/mol
750 Da = 750 / 6.022 x 10^23 g/mol = 0.124 g/mol
Next, we'll use the molecular weights to calculate the number of moles of each component in 1 gram of the membrane.
For the protein:
1 g / 83.33 g/mol = 0.0120 moles/gram
For the lipid:
1 g / 0.124 g/mol = 8.06 moles/gram
Finally, we'll calculate the ratio of lipids to proteins based on the number of moles:
8.06 moles lipid / 0.0120 moles protein = 671.67 lipids per protein
So, there are approximately 671.67 molecules of membrane lipid for each molecule of protein.
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