Answer:
Explanation:
Farming is not a bad thing without agriculture we cannot live it will make our life harder because without plants we cannot live without farmer we cannot live it is the most important thing in our life.
Body Surface Area -adapted from the Redlarski’s paper (link)
Body surface area (BSA) plays a key role in several medical fields, including cancer chemother-
apy, transplantology, burn treatment and toxicology. BSA is often a major factor in the
determination of the course of treatment and drug dosage. A series of formulae to simplify
the process have been developed. Because easy-to-identify, yet general, body coefficient re-
sults of those formulae vary considerably, the question arises as to whether the choice of a
particular formula is valid and safe for patients. These empirical formulae are derived by
observing/fitting the experimental data and do not have a rigid model or reason explain-
ing their validity. In this problem, you will build a physics model to create your own BSA
equation other than using an empircal formula.
(a) Use a cylinder of height H and radius r as a approximation of the shape of a human.
Calculate the human’s body surface area(BSA), volume(V), and mass(M) in terms of
r and H. You may assume the density of human is 1000 kg/m3.
(b) Rewrite the surface area in in terms of height and mass.
(c) According to the equation you derived above, what is your body surface area? Is it the
same as the result calculated by using the empirical fomulae: BSA = √M H/C with
BSA in m2, M in kg, H in cm, and C=60 is a constant in this paper? If not, what is the percentage differences?
Note: percentage difference for two values E1 and E2 are |E1−E2|
(E1+E2)/2 ×100%.
(d) Considering the formula BSA = √MH/C with fixed H, plot a graph with BSA on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.
a)Using a cylinder of height H and radius r as an approximation of the shape of a human, the surface area, volume, and mass are calculated in terms of r and H as follows:
Surface area (S) of a cylinder is 2πrh + 2πr², where h is the height, and r is the radius of the cylinder. In this case, the height of the cylinder is equivalent to the height of the human body. Hence;S = 2πrH + 2πr²Mass (M) of a cylinder is given by M = ρV, where ρ is the density of the cylinder, and V is the volume. Hence, the mass of a cylinder in terms of its radius and height isM = πr²HρVolume (V) of a cylinder is given by V = πr²H. Hence, the volume of a cylinder in terms of its radius and height isV = πr²H(b)The body surface area (BSA) of a human can be rewritten in terms of the height (H) and mass (M) as follows:
BSA = √(M/H C)We can rewrite it as H = M/ (BSA² C)Thus, H can be expressed as a function of M and BSA asH = M/(BSA² C)(c)If r = 0.15 m and H = 1.70 m, then using the equation, S = 2πrH + 2πr², the body surface area is given as:
S = 2π (0.15)(1.70) + 2π (0.15)² = 1.77 m²Using the empirical formula, BSA = √(MH/C) with M = 60 kg and H = 170 cm, we get BSA = 1.85 m²The percentage difference is given by;|E1 − E2| / (E1 + E2) / 2 × 100%where E1 = 1.77 m² and E2 = 1.85 m²Thus;|1.77 – 1.85| / (1.77 + 1.85) / 2 × 100% = 4.2%(d)Considering the formula BSA = √(MH/C) with fixed H, a graph with BSA on the y-axis and M on the x-axis can be plotted.The trend shows a non-linear increase in BSA as the mass increases.
(e)Considering the formula BSA = √(MH/C) with fixed BSA, a graph with H on the y-axis and M on the x-axis can be plotted.The trend shows a linear increase in height as the mass increases.
About HumanHuman are the most numerous and widespread primate species. They are a type of great ape that is characterized by a bipedal gait and capable cognitive abilities thanks to their large and complex brains. From the moment humans were created, somatic cell chromosomes have a total of 46 egg cells or sperm cells have only 23 chromosomes. The existence of fertilization returns the number of chromosomes of body cells to 46.
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Heart failure is due to either natural occurrences (88%) or outside factors (12%). Outside factors are related to induced substances or foreign objects. Natural occurrences are caused by arterial blockage, disease, and infection. Suppose that 15 patients will visit an emergency room with heart failure. Assume that causes of heart failure between individuals are independent. Round your answers to three decimal places (e.g. 98.765). (a) What is the probability that 3 individuals have conditions caused by outside factors? Probability = (b) What is the probability that 3 or more individuals have conditions caused by outside factors? Probability = (c) What is the mean and standard deviation of the number of individuals with conditions caused by outside factors? Mean = Standard deviation = Statistical Tables and Chart
(a) The probability that exactly 3 individuals have conditions caused by outside factors is 0.183. (b) The probability that 3 or more individuals have conditions caused by outside factors can be calculated using a cumulative binomial distribution table or a statistical calculator. (c) The mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is 1.124.
To solve this problem, we can use the binomial distribution since we are dealing with a fixed number of trials (15 patients), and each patient's condition is either caused by outside factors or natural occurrences, with independent probabilities.
(a) To find the probability that exactly 3 individuals have conditions caused by outside factors, we use the binomial probability formula:
Probability = C(n, x) * p^x * q^(n-x)
where n is the total number of trials (15), x is the number of successes (3), p is the probability of success (12% or 0.12), and q is the probability of failure (88% or 0.88).
Plugging in the values, we have:
Probability = C(15, 3) * 0.12^3 * 0.88^(15-3)
Probability = 0.183
Therefore, the probability that exactly 3 individuals have conditions caused by outside factors is 0.183.
(b) To find the probability that 3 or more individuals have conditions caused by outside factors, we need to calculate the probability of 3, 4, 5, ..., 15 individuals having outside factors and sum them up.
Probability = Probability(3) + Probability(4) + ... + Probability(15)
Using the binomial probability formula, we can calculate each individual probability and sum them. However, to save time and effort, we can use a cumulative binomial distribution table or a statistical calculator.
Assuming you have access to a statistical calculator or software, you can enter the values of n (15), p (0.12), and the range of x (from 3 to 15) to get the desired probability.
(c) The mean (μ) and standard deviation (σ) of the number of individuals with conditions caused by outside factors can be calculated using the formulas for the binomial distribution:
Mean (μ) = n * p
Standard deviation (σ) = √(n * p * q)
Plugging in the values, we have:
Mean (μ) = 15 * 0.12 = 1.8
Standard deviation (σ) = √(15 * 0.12 * 0.88) ≈ 1.124
Therefore, the mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is approximately 1.124.
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Using the Sanger method for sequencing, ______synthesis stops when ________ is reached. Group of answer choices RNA; a deoxyribose base RNA; any primer that begins with a purine base
Using the Sanger method for sequencing, DNA stops when a dideoxyribose base is reached.
What is Sanger sequencing?Sanger sequencing was the first method developed in molecular biology laboratories for nucleotide sequencing.
Thus method (Sanger sequencing) is based on the use of nucleotide analogs that stop addition in the DNA strand.
In conclusion, using the Sanger method for sequencing, DNA stops when a dideoxyribose base is reached.
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ich statement best describes how artificial selection can decrease a population's biodiversity?
Artificial selection removes weaker species, leaving stronger species behind to reproduce.
Artificial selection selects which traits (good or bad) are passed on to the next generation.
Artificial selection decreases the rate of natural selection and change within a population.
Artificial selection reverses natural selection by selecting species most adapted to survive.
Artificial selection decreases population diversity by decreasing the rate of natural selection and change within a population.
What is artificial selection?Artificial selection occurs when humans select desirable traits or characters in an individual this includes plants and animals.
What is natural selection?Natural selection occurs with nature, here traits that are heritable and allow the survival and reproduction of an individual leading to an increase in population are selected with nature.
When traits and characters are selected for artificial selection, natural selection can no longer occur and this also reduces the number of genotypes and only interested individual are advanced while others are not selected. Natural selection allows for diversity, different individuals with different genotypes that can survive are selected.Therefore, Artificial selection decreases the rate of natural selection and change within a population.
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Answer:
The answer is B. Artificial selection selects which traits (good or bad) are passed onto the next generation.
Explanation:
Just did it and got it right.
a living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology
A living organism that possesses a novel combination of genetic material obtained through the use of modern biotechnology refers to a genetically modified organism (GMO). GMO has been engineered to exhibit new traits or characteristics that can be beneficial for various purposes, such as increased crop yields or improved resistance to environmental stressors.
The process goes as follows:
1. Living organism: This refers to any organism that exhibits the characteristics of life, such as growth, reproduction, and metabolism. Examples include plants, animals, and microorganisms.
2. Novel combination: This implies the introduction of new or unique genetic traits that were not previously present in the organism's natural genetic makeup.
3. Genetic material: This refers to the DNA (deoxyribonucleic acid) of an organism, which carries the instructions for the development, functioning, and reproduction of the organism.
4. Modern biotechnology: This involves the use of advanced scientific techniques and technologies to manipulate an organism's genetic material. Examples of modern biotechnology techniques include gene editing, gene cloning, and recombinant DNA technology.
To create a GMO, scientists use modern biotechnology techniques to insert specific genes from one organism into the DNA of another organism. This results in a novel combination of genetic material, which provides the GMO with new traits or characteristics that were not previously present. For example, a crop plant might be genetically modified to be resistant to certain pests or to tolerate specific herbicides.
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Explain what camouflage and mimicry are. Use an example to illustrate your answer.
Camouflage is a type of adaptation where an organism has evolved to blend in with its surroundings in order to avoid detection by predators or prey. Mimicry, on the other hand, is when an organism evolves to imitate the appearance or behavior of another organism in order to deceive predators or prey.
How to tell mimicry and camouflage apart?Camouflage can take many forms, such as coloration, patterns, or shape. For example, a chameleon is known for its ability to change its color to match the environment it is in, making it difficult for predators to spot.
Mimicry can be either Batesian or Müllerian. Batesian mimicry occurs when a harmless species evolves to look like a harmful species, such as a non-venomous snake that looks like a venomous one. Müllerian mimicry occurs when multiple harmful species evolve to look like each other, making it easier for predators to recognize and avoid them.
An example of camouflage is the Arctic hare, which is white in the winter to blend in with the snow and brown in the summer to match the tundra. This helps the Arctic hare avoid detection by predators such as wolves and foxes.
An example of Batesian mimicry is the viceroy butterfly, which looks very similar to the monarch butterfly. Monarch butterflies are toxic to predators due to the presence of a chemical called cardenolides, which they obtain from eating milkweed plants as larvae.
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22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
2. Which tissue makes up the husk of coconut?
Answer:
Sclerenchymatous tissue65 points, please answer ASAP
Hydrogen and oxygen are examples of which of these?
elements
compounds
molecules
none of the above
hemoglobins are read on a photoelectric colorimeter in the laboratory. while reading the hemoglobins, a problem of drifting is encountered. to access the problem, the first thing to do is:
Hemoglobins are read on a photoelectric colorimeter in the laboratory while reading the hemoglobins a problem of drifting is encountered to access the problem the first thing to do is check the light source.
Polycythemia vera is a condition characterized by an increased number of red blood cells in the bloodstream. Affected people may also have too many white blood cells called platelets or blood-clotting cells. The main difference between the two is that AML affects the production of red blood cells and platelets in myeloblasts, whereas ALL mainly affects the production of lymphocytes.
A small sample of bone marrow is taken and examined under a microscope. This procedure is called a bone marrow biopsy. A doctor or nurse numbs the area of the skin behind the hipbone before taking a sample of liquid bone marrow with a fine needle. Polycythemia vera is often diagnosed based on a routine blood count. Hemoglobin is the protein in red blood cells that carries oxygen.
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Please help
Explain Give two examples of how abiotic factors are influenced by biotic factors?
Answer: If this doesn't help just let me know
The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment.
The interaction between humans and water and plants and soil are examples of the influence of biotic factors on abiotic ones.
Biotic and abiotic factors are biological terms to refer to:
Abiotic factors: are the set of non-living physical and chemical components of an ecosystem.Biotic factors: are the set of living components of an ecosystem.According to the above, living beings (biotic factors) can affect abiotic factors such as water because they contaminate it with chemicals or waste.
Also, plants (biotic factors) see the soil (abiotic factors) because they provide them with nutrients.
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Which sentence accurately describes star clusters?
Answer:
Can I have some insight on the questions possible answers?
Explanation:
The sentence that accurately describes star clusters is "Stars form large groupings". This is further explained below.
What are star clusters?Generally, Star clusters is simply defined as collections of millions of stars that offer astronomers information in relation to earth.
In conclusion, we can say that Stars form large groupings.
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Antibiotics have been used to treat bacterial infections since the 1940s. In
recent years, many antibiotics have become less effective as resistance to
these treatments rises. Which statement best describes how bacterial
resistance to antibiotics demonstrates natural selection?
Which part of an atom is mostly empty space? nucleus proton cloud electron cloud neutron
Answer: electron cloud
Answer:
electron cloud
Explanation:
Write the adaptations of animals living in aboreal habitet.
Answer:
Arboreal animals are very well adapted to staying or hanging on to trees. Many of them have little bodies and clawed or sticky feet. Some of them have prehensile tails that they use to grasp tree branches.
Claws, adhesive pads, flexible ankle joints (such as a squirrel's) that can turn forwards and backwards are all adaptions useful for staying in place. Arboreal primates have hairless fingertips that allow the animal's hand to squeeze the branch between the fingertips to generate friction.
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Pls mark brainliest
By which pathway does oxygen flow into the body?
A)trachea, bronchioles, bronchial tubes, alveoli
B)trachea, bronchial tubes, bronchioles, alveoli
C)trachea, alveoli, bronchioles, bronchial tubes
D)trachea, alveoli, bronchial tubes, bronchioles
Answer:
B
Explanation:
the avelio is apart of ur lungs which makes u breathe
Please explain 11 Incoterm rules, their usages and examples.
nd compare differences between them.
Incoterms are a set of standardized international trade rules that define the responsibilities and obligations of buyers and sellers in terms of delivery, risk transfer, and costs. Understanding these 11 Incoterms is crucial for ensuring smooth and transparent global trade transactions.
1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs. Example: "EXW Factory A" - Buyer arranges pickup from Factory A.
2. FCA (Free Carrier): The seller delivers the goods, cleared for export, to a carrier nominated by the buyer. Example: "FCA Port B" - Seller hands goods to the carrier at Port B.
3. FAS (Free Alongside Ship): The seller delivers the goods alongside a vessel nominated by the buyer at a specific port. Example: "FAS Port C" - Goods placed next to the ship at Port C.
4. FOB (Free on Board): The seller delivers the goods on board a vessel nominated by the buyer at a specified port. Example: "FOB Port D" - Seller ensures goods are on the vessel at Port D.
5. CFR (Cost and Freight): The seller covers the cost of goods and freight to the destination port. Example: "CFR Port E" - Seller pays for freight to Port E.
6. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against loss or damage during transportation. Example: "CIF Port F" - Seller covers insurance in addition to freight to Port F.
7. CPT (Carriage Paid To): The seller delivers goods to a carrier and pays for transportation to the named destination. Example: "CPT Warehouse G" - Seller covers transport to Warehouse G.
8. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against loss or damage during transportation. Example: "CIP Warehouse H" - Seller covers insurance and transport to Warehouse H.
9. DAP (Delivered at Place): The seller delivers goods to the buyer at a named place, without unloading. Example: "DAP Buyer's Facility" - Seller is responsible for delivery to the buyer's facility.
10. DPU (Delivered at Place Unloaded): The seller delivers goods to the named destination, including unloading. Example: "DPU Warehouse I" - Seller handles delivery and unloading at Warehouse I.
11. DDP (Delivered Duty Paid): The seller delivers goods to the buyer, cleared for import, and pays all applicable duties and taxes. Example: "DDP Customer's Doorstep" - Seller handles delivery and customs duties to the customer's location.
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The Incoterms rules define the obligations and responsibilities of buyers and sellers in international trade. Understanding these rules is crucial for determining who is responsible for various aspects of the transaction, such as transportation, insurance, and costs. Each Incoterm rule has its own specific usage and implications, and it's important to select the appropriate one based on the nature of the transaction and the parties' agreements.
The Incoterms (International Commercial Terms) are a set of standardized rules established by the International Chamber of Commerce (ICC) to govern international trade. They define the responsibilities of buyers and sellers in terms of the delivery of goods, the transfer of risk, and the allocation of costs.
There are 11 Incoterms rules, each with its specific usage and set of responsibilities. Here is a brief explanation of each rule, along with examples:
1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs from the seller's location to the final destination.
Example: The seller delivers the goods to their warehouse, and the buyer arranges transportation from there.
2. FCA (Free Carrier): The seller delivers the goods to a carrier chosen by the buyer, and the risk transfers to the buyer once the goods are handed over to the carrier.
Example: The seller delivers the goods to the buyer's designated carrier at a specified location.
3. CPT (Carriage Paid To): The seller pays for transportation to the agreed-upon destination, and the risk transfers to the buyer upon delivery to the carrier.
Example: The seller pays for transportation to the buyer's location, and the goods are insured until they reach the buyer.
4. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.
Example: The seller pays for transportation and insurance to the buyer's location.
5. DAT (Delivered at Terminal): The seller delivers the goods, unloaded, at a designated terminal at the agreed-upon destination.
Example: The seller unloads the goods at the buyer's specified terminal at the port.
6. DAP (Delivered at Place): The seller is responsible for delivering the goods to the buyer at an agreed-upon place, but not unloaded.
Example: The seller delivers the goods to the buyer's warehouse, but the buyer is responsible for unloading.
7. DDP (Delivered Duty Paid): The seller is responsible for delivering the goods to the buyer, including all costs and risks, up to the destination.
Example: The seller delivers the goods to the buyer's location, including customs duties and taxes.
8. FAS (Free Alongside Ship): The seller is responsible for delivering the goods alongside the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.
Example: The seller delivers the goods to the port, and the buyer arranges for loading onto the ship.
9. FOB (Free on Board): The seller is responsible for delivering the goods onto the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.
Example: The seller loads the goods onto the ship, and the buyer arranges for transportation and insurance.
10. CFR (Cost and Freight): The seller is responsible for the cost and freight of delivering the goods to the agreed-upon port, and the risk transfers to the buyer once the goods are onboard the vessel.
Example: The seller pays for transportation to the port, and the buyer arranges for unloading and any further transportation.
11. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.
Example: The seller pays for transportation and insurance to the port, and the buyer arranges for unloading and any further transportation.
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if you could tell me the answers it would be great, thank you!
Which of the following genotypes is heterozygous?
A. TT
B. AA
C. aa
D. tt
E. Tt
Answer:
E.) Tt
Explanation:
Can i get brainliest im trying to rank up to ace
Answer:
the answer is option (E)Tt.
When cells are not dividing, the genetic material is loosely dispersed throughout the nucleus in a threadlike form called _________________.
When cells are not dividing, the genetic material is loosely dispersed throughout the nucleus in a threadlike form called chromatin.
Chromatin consists of DNA molecules tightly coiled around proteins called histones. This arrangement allows for efficient storage and access of genetic information. The chromatin structure is dynamic and can undergo changes to regulate gene expression. During cell division, chromatin undergoes further condensation and compaction to form distinct structures called chromosomes.
These condensed chromosomes facilitate the accurate segregation of genetic material into daughter cells. However, in non-dividing cells, the chromatin is in a more relaxed state, allowing for transcription and gene regulation processes to occur. The chromatin structure can be modified by various epigenetic mechanisms, influencing gene expression patterns and cellular identity.
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How many bones are in the collection? (This number is called the NISP- Number of Identified Specimens.
An enzyme catalyzes a chemical reaction in the cell, but can only be used once.
True False
Answer:
false because enzymes act on only food when food is ate not on cell
____ are small marine organisms that live in the spaces between sediment particels
Answer:
Meiofauna
Explanation:
Meiofauna are small marine organisms that live in the spaces between sediment particles.
Hope this helps!
Which of the following types of models could be used to represent a cel?
a. idea model
b. physical model
C. computer model
d. all of the above
Please select the best answer from the choices provided
A
B
C
D
Answer:
its D<3
Explanation:
just took the test MWAH!
___________________is made out of dead tubular cells that are joined from end to end;which transports water and dissolved minerals from the roots upward to the rest of the plant.
Xylem is made out of dead tubular cells that are joined from end to end; which transports water and dissolved minerals from the roots upward to the rest of the plant.
One of the two types of transport tissue that are found in vascular plants is called the xylem, while the other type is called the phloem. In addition to transporting nutrients, the primary job of the xylem is to move water up the plant, from the roots to the stems and then to the leaves.
The name "xylem" originates from the Ancient Greek word (xylan), which means "wood." Although xylem tissue can be found in other parts of a plant, wood is the most well-known example of this type of tissue. Carl Nageli is credited with being the one who first used the term in 1858.
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If the gametes produced by a given organism contain 6 chromosomes, how many chromosomes are found in that organism’s body cells
Answer:
I think 6
Explanation:
Answer:
The answer is 12
Explanation:
hope this helps
Which statement best describes the relationship that exists among proteins, DNA, and cells?
A. Proteins combine to produce cells, which produce DNA.
B. Proteins are made up of DNA, which determines the cells that are produced.
C. DNA is made up of proteins, which tell a cell how to function.
D. Cells contain DNA, which controls the production of proteins.
what was the first genetically modified food approved for sale in the us
Answer:
Flavr Savr™ Tomato
Explanation:
Suppose you have an X ray of an arm, which is taken because the doctor suspects a bone is broken. You also have a drawing showing the locations of the bones in a human body. Explain how both of these visuals could contribute valuable data to the situation.
Answer:
An X-ray is done to diagnose the position of bones in the body whether its broken or not or in right place or not.
An X-ray machine is turned on to provide a visual of the bones showing bone condition. When the machine is turned on, X-ray travel through the body tissues, and due to the presence of calcium in bones, they absorb more X-rays, thus bones appear white against the black background of a radiograph.
These white bones on the radiograph will show the position of bones whether it's broken or not.
So, both the visuals that is X-ray and drawing showing visuals (the bones appear white) contribute valuable data to the given situation.