Plants can most readily utilize the ______ form of nitrogen.

Answers

Answer 1
liquid form of nitrogen

Related Questions

What Are Genes?
A. the observable characteristic
B. the expressed trait
C. the basic unit on inheritance
D. the measurable factor

Answers

C. the basic unit on inheritance

Why did researchers think that protein was the genetic material?

Answers

Mostresearchers thought protein was the genetic material because; proteins were macromolecules with great heterogeneity and functional specificity. Little was known about nucleic acids.
Final answer:

Researchers initially believed proteins were the genetic material due to their complexity and diversity, but experiments by Chase and Hershey in 1952 confirmed DNA as the genetic material.

Explanation:

Researchers initially thought that protein was the genetic material because of its abundance, diversity, and complex structure. Proteins, with their wide array of 20 different amino acids, appeared to offer the biological specificity necessary to explain an organism's myriad genetic traits. By contrast, DNA seemed too simple, with only four types of nucleotides, to account for the vast complexity of hereditary information. For many decades, the remarkable structural diversity of proteins led scientists to view them as the more plausible candidates for carrying genetic information. In 1952, decisive experiments by Martha Chase and Alfred Hershey provided confirmatory evidence that DNA, not protein, was the genetic material. Their work with bacteriophages marked a turning point in our understanding, proving that DNA, despite its simplicity, carried the code of life.

Experiments conducted by Martha Chase and Alfred Hershey in 1952 provided confirmatory evidence that DNA was the genetic material and not proteins. Chase and Hershey were studying a bacteriophage, which is a virus that infects bacteria. Viruses typically have a simple structure: a protein coat, called the capsid, and a nucleic acid core that contains the genetic material, either DNA or RNA. The bacteriophage infects the host bacterial cell by attaching to its surface, and then it injects its nucleic acids inside the cell. The phage DNA makes multiple copies of itself using the host machinery, and eventually the host cell bursts, releasing a large number of bacteriophages. Hershey and Chase labeled one batch of phage with radioactive sulfur, ³5S, to label the protein coat. Another batch of phage were labeled with radioactive phosphorus, ³2p. Because phosphorous is found in DNA, but not protein, the DNA and not the protein would be tagged with radioactive phosphorus.

The lac repressor in bacteria is analogous to _____ in eukaryotes. genes general transcription factors, such as tfiid specific transcription factors the p21 cdk inhibitor

Answers

The answer is transcription factors. They are proteins that bind to promoter regions of genes and promote the binding of polymerase protein for transcription to begin. Some transcription factors are repressors that prevent the binding of the polymerase protein to the promoter region.

The pancreatic duct delivers chemicals to what part of the digestive system

Answers

The Chemical digestion which happens in the small intestine is based on the three digestive organs namely the liver,gallbladder and pancreas. The pancreas has exocrine cells secreting buffers and enzymes and produces pancreatic juice containing carbonate ions and would deliver it to the duodenum which is the answer.

Answer:

Pancreatic duct delivers chemicals to duodenum of small intestine.

Explanation:

Pancreatic duct is the complex structure, also called the hepatopancreatic duct. It is formed of pancreatic duct itself along with common bile duct, carrying bile juice from liver, and opens into the lesser curvature of duodenum.

The pancreatic duct delivers pancreatic juice, contains a lot of enzymes like amylase, lipase, DNAase, RNAase, carboxypeptidase, aminopeptidase etc and bile juice containing bile salts and cholesterol, with heavy metal ions, and bile pigments etc.

Which organ produces numerous enzymes critical for digestion as well as secretes hormones important for sugar regulation?

Answers

Pancreas.
It produces amylase, protease, lipase (digestive enzymes) and secretes insulin and glucagon (sugar regulation hormones).

To what are greater body size and facial gracility documented in homo erectus likely related?

Answers

Greater body size and facial gracility documented in Homo erectus are likely related to changes in tool technology and increasing access to meat and other proteins. Homo erectus walked just like a modern human, with traits like double arches and adducted big toe, they had a cranial capacity range from 650 cc to 1,200 cc. 

Naphthylamine is a carcinogen compound found in cigarette smoke. it chemical modifies dna, distorting the dna helix. what cellular mechanism would you expect to be involved in fixing dna damaged by naphthylamine

Answers

Nucleotide Excision Repair

What happens as a direct result of an endangered species dying out ?
A. Loss of biodiversity
B. Ecosystem balance
C. Habitat loss
D. Climate change

Answers

Answer: A. Loss of biodiversity

Endangered species are those animal or plant species which are at risk of being extinct. The number or population of such species decreases either rapidly or suddenly due to loss of habitat, migration, hunting, poaching, climate change and because of other reasons.

The loss of endangered species from the native habitat can directly reduce the available biodiversity.

Answer:

Loss of biodiversity

Explanation:

What is congeneration? Congeneration is a process of producing electricity and _____ simultaneously.

Answers

Cogeneration is a process of producing electricity and heat simultaneously.

I hope this helped!

Answer: Congeneration is a process of producing electricity and heat simultaneously.

Explanation:

The rationality of congeneration lies essentially in the saving of energy resources in the face of a conventional configuration that produces the same amounts of useful heat and work, which is usually converted to electrical or mechanical energy.

Congeneration is a very efficient energy production process, providing several benefits. At a local level, it can significantly reduce the user's energy bill, while at a global level it reduces the consumption of fossil fuel reserves, leading to a significant reduction in the environmental impact of using these fuels.

What is it called when plants lose water through their leaves?

Answers

The answer is transpiration

Answer: "Transpiration".

Explanation:

Plant loses water by the process of transpiration through the leaves.

The movement of water from different parts of plant through evaporation is called transpiration. this majorly occurs from the stomata.

Transpiration also helps to cool down the heat of the plant during summers, maintains the osmotic pressure and allows the movement of various nutrients through the complete plant body from the upper most shoot to the deep inside roots.

So, the process of transpiration helps the plant to loose water through their leaves.

Substances intended for tubular reabsorption travel from the filtrate of the proximal convoluted tubule next to the ________.

Answers

Final answer:

Substances intended for tubular reabsorption in the kidney travel from the filtrate of the proximal convoluted tubule to the peritubular capillaries.

Explanation:

Substances that are intended for tubular reabsorption leave the filtrate of the proximal convoluted tubule and go to the peritubular capillaries. These capillaries are a network of tiny blood vessels that surround the proximal and distal convoluted tubules in the kidney. The process of tubular reabsorption is crucial for the body to reobtain useful substances that have been filtered out of the blood like glucose, salts, and water, which are reabsorbed back into the blood through the peritubular capillaries.

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Final answer:

Substances for tubular reabsorption move from the filtrate in the proximal convoluted tubule to the loop of Henle, where further reabsorption of salts and water occurs.

Explanation:

Substances intended for tubular reabsorption travel from the filtrate of the proximal convoluted tubule (PCT) next to the loop of Henle. After filtration at the glomerulus, the filtrate containing water, ions, and small molecules is collected into the Bowman's capsule and then enters the PCT. The PCT is a significant site where reabsorption occurs; the simple cuboidal cells with microvilli increase the surface area, enhancing reabsorption of solutes such as Na+, Cl-, glucose, etc., into the peritubular capillaries.

These cells actively transport ions, which requires a high concentration of mitochondria for ATP production. After substances are reabsorbed in the PCT, the remaining filtrate proceeds to the loop of Henle, where further reabsorption occurs, particularly of salts and water. Subsequent regions of the nephron, such as the distal convoluted tubule and the collecting duct, perform additional reabsorption and secretion processes to maintain homeostasis.

fertilization generally occurs in the

Answers

Fertilization generally occurs in the fallopian tube.

Which of the following sentences are correct? (1)for millions of years dinosaurs ruled the earth; they roamed freely over the land and through the oceans. (2)most dinosaurs had amazingly small brains for their size, therefore, they did little more than eat and reproduce. (3)although some dinosaurs were carnivorous, most fed only on plants?

Answers

2 is correct all animals have a similar goal is survive and reproduce 
Final answer:

All sentences asked are grammatically correct once minor punctuation and capitalization errors are fixed. These sentences discuss various aspects of dinosaur life, including their reign on Earth, their brain size relative to body size, and their diets. Fun fact: Modern birds are descendants of theropod dinosaurs.

Explanation:

All three sentences are grammatically correct, but they require minor fixes with punctuation and capitalization. Once corrected, these sentences would look like this:

For millions of years, dinosaurs ruled the Earth; they roamed freely over the land and through the oceans.Most dinosaurs had amazingly small brains for their size; therefore, they did little more than eat and reproduce.Although some dinosaurs were carnivorous, most fed only on plants.

It's worth remembering that dinosaurs were a diverse group of terrestrial reptiles that dominated the Mesozoic era.

Modern birds are actually descendants of theropod dinosaurs.

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Why is gallbladder positioned so closely to the liver in frog?

Answers

The reason as why gallbladder is being positioned close to the liver is because gallbladder stores the bile being produce in the liver. The bile being secreted in the liver and there are bile salts aiding in the digestion as well as the absorption of fats and this then will be stored temporarily in the gallbladder.
The Gallblader stores the bile produced by the liver.
 The gallbladder is positioned close to the liver in frogs  because it serves as a store of the bile being produced in the liver.The role of the bile is to aid in the breakdown of fats.



What are the major homeostatic roles of the kidneys in normal healthy adults?

Answers

The major homeostatic roles of kidneys in a healthy adults include; Regulation of the extracellular fluid volume, they ensure an adequate quantity of plasma to keep blood flowing to the vital organs. Regulating osmolarity; the kidneys help maintain appropriate concentration of the extracellular fluid with respect to the solutes in the fluid. The kidney regulates ion concentration ; including the sodium, calcium and potassium ions;. They also regulate the body pH; by preventing the blood plasma from being too acidic or basic. Another role is excretion of wastes and toxins, and lastly the production of hormones, such as erythropoietin which stimulates the synthesis of red blood cell.

Which feature is found among an autosomal recessive pedigree?
a. heterozygotes have a normal phenotype.
b. affected children will have at least one affected parent.
c. heterozygotes are affected.
d. both males and females are affected with equal frequency.
e. the trait is carried on the y chromosome?

Answers

One feature found among an autosomal recessive pedigree is that heterozygotes have a normal phenotype. Autosomal recessive are several ways that a trait, disorder or a disease can be passed down through families. Autosomal disorder means that two copies of an abnormal gene must be present  for the disease or trait to develop, and therefore, a heterozygote will show a normal phenotype. 

How is the dark dorsal side and the light ventral side of a frog adaptive?

Answers

The advantages of different skin colours of the frog is in survival, they help them camouflage from predators. If a predator is below them, the brighter ventral site simulates the bright sky (or water surface). If the predator is above, then dorsal side helps the frog to blend into the surrounding ground environment (or floating vegetation). 

Final answer:

Frogs have a dark dorsal side and light ventral side, an adaptation known as countershading, to camouflage from predators. This, along with their specialized eyelids and tympanum, are critical adaptations for survival in their environments.

Explanation:

The dark dorsal side and the light ventral side of a frog is an adaptation known as countershading, which helps provide camouflage from predators. When predators look down on the frog from above, the dark dorsal side blends with the darker environments underwater or on the forest floor. Conversely, when predators or prey look up at the frog against the light sky or water surface, the light ventral side makes it more difficult to see. This adaptive trait is complemented by the frog's skin texture and coloration that aid in blending with their environment.

In addition to their skin adaptations, frogs have three eyelid membranes that protect their eyes and aid their vision in different environments, both on land and underwater. Their tympanum, a part of their hearing apparatus, is well-developed to pick up on sounds, which plays a role in communication and predator avoidance. Frogs are also known to change from having a tail during their tadpole stage to losing it as adults, which is an adaptation to their life stages from water to land.

Memories that are related to specific life experiences, such as recalling the events of a vacation, are called __________ memories.

Answers

 such type of memory is called
strategic memory

Answer:

Memories that are related to specific life experiences, such as recalling the events of a vacation, are called episodic memories.

Explanation:

Human memory is composed of different types of memory. Episodic memory require recollections of a specific event or an episode for remembering events that occurred during a vacation, People associates particular details with an episodic memory, such as how they felt, the time and place, and other particulars. Thanks to this memory we have the ability to recall and mentally re-experience specific episodes from one's personal past, the individual is able to re-experience individual events. For example people can remember who was on vacation, where it occurred, and their own personal interactions.

Is a jellyfish unicellular or multicellular?

Answers

jellyfish are multicellular

PLEASE HELP Can lip print evidence prove that an individual committed a crime can lip print evidence be used to exonerate an individual explain?

Answers

Lip prints are similar to finger prints in a way that they are unique in every individual. 

According to a study that was published in the National Journal of Maxillofacial Surgery, considering the consistency of lip prints over time and the accurate correlation of indirect prints to direct prints, lip prints can be used as a reliable forensic tool.

However, lip prints alone won't be enough to convict or exonerate a person of interest, as there are other factors to consider, like: circumstantial evidence and others.

Lip print evidence can potentially contribute to proving that an individual committed a crime, or it may be used to exonerate someone, but it cannot conclusively prove guilt or innocence on its own. It's a type of forensic evidence that, like fingerprints, can be unique to an individual and may place a person at a crime scene.

Forensic evidence, such as lip prints, is often part of the puzzle that investigators piece together when solving a crime. Lip prints, known as cheiloscopy, are the pattern of lines on the lips that are unique to each person. Just as fingerprints can be used to identify individuals, lip prints can also serve as a means of identification. However, the presence of someone's lip prints at a crime scene does not, by itself, prove that the person committed the crime. It can suggest that the individual was present, but additional evidence is generally needed to establish guilt beyond a reasonable doubt. Similarly, if an individual's lip prints are not found at a crime scene, this might help to exonerate them, but it is not definitive proof of innocence either, as the perpetrator might not have left any lip prints, or they could have been removed or obscured. The use of lip print evidence in court depends on the expert testimony that establishes the relevance and reliability of the method used to obtain and interpret the lip prints.

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1. Based on Dalton's atomic theory, which of the following is true about all atoms of the same element?

They have different masses.
They have the same properties.
They can be divided into molecules.
They are composed of visible matter.

2. Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the radius and pull exerted by the protons of boron and carbon atoms?

Boron has a smaller radius and the protons in carbon exert a greater pull.
Boron has a larger radius and the protons in carbon exert a greater pull.
Boron has a smaller radius and the protons in carbon exert less pull.
Boron has a larger radius and the protons in carbon exert less pull.

Answers

One is: They can be divided into molecules. 
and
Two is:Boron has a smaller radius and the protons in carbon exert a greater pull.
Answer 1:
The corret option is that they have same properties.
Reason:
According to Dalton atomic theory an element is made from identical atoms having same chemical properties but different physical properties.

Answer:
The correct option is that boronhas a larger radius and the proton in carbon exert a greater pull
Reason:
According to trends in periodic table if move from left to right of periodic table along rows, nuclera charges increse as a result atomic radius decreases. Boron is present in group 3rd A while carbon is present in group 4th A. Thats why boron has has a larger atomic radius and carbon has smaller atomic radius due to greater nuclear charges.

Adipose tissue that surrounds organs in the abdomen is known as

Answers

Adipose tissue that surrounds organs in the abdomen is known as visceral (active) fat.  
Visceral fat is body fat (adipose tissue) that is stored in the abdominal cavity. It is located around important internal organs such as the liver, pancreas and intestines. An excess of visceral fat is called central obesity and it is often linked to diabetes type 2 and insulin resistance.

______ vision is the vision that identifies specific objects.

Answers

Final answer:

Objective vision is the ability to identify specific objects through sight, which is enabled by the complex interaction between the eyes and the brain.

Explanation:

Objective vision” is the type of vision that identifies specific objects. Vision is crucial for many aspects of life and is the ability to detect light and see. The eye and the brain play essential roles in this sensory experience, allowing us to see in color, and three dimensions, and focus on various distances. Vision issues like myopia and hyperopia can be corrected with optical lenses or surgery. Animals and humans have evolved complex visual systems that prioritize vital visual information, making vision one of the most important senses. Around one-third of the human cerebral cortex is dedicated to processing visual information, highlighting the significance of vision in our daily lives.

List the two organisms involved in the production the hybrid, mule.

Answers

It is the hybrid of a Donkey and a Horse, The mule is fast like a horse and can carry heavy items a long distance. Technically a mule is a old fashioned moving truck, Kind of like how they used horses as cars. Unfortunately they cannot breed because the genetic "deformity" (being a hybrid)  messed up its chromosomes. I hope this helped out :D
Final answer:

A mule, a type of hybrid, is produced by breeding a female horse with a male donkey. The occurrence of hybrid species often happens in a 'hybrid zone' based on the fitness of the hybrids and the extent of reproductive barriers.

Explanation:

The two organisms involved in the production of the hybrid, mule, are a female horse (mare) and a male donkey (jack). A mule is a classic example of a hybrid, an organism that is the result of mating between two different species. The production of hybrids, like the mule, occurs in an area known as the hybrid zone. In some instances, hybrids may be less fit than parent species, leading to reduced hybrid reproduction and the reinforcement of the original species separation. However, if the hybrids are significantly more fit than their parent species, two species may merge back into one. This is less common, and typically observed where speciation, the formation of new and distinct species, is recent.

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The human immunodeficiency virus (hiv) that causes the disease known as aids selectively infects ________ cells.

Answers

The human immunodeficiency virus (HIV) that causes the disease known as aids selectively infects helper T cells (CD4+).

This retrovirus also infects macrophages and dendritic cells. When CD4+ T cell numbers decrease below a critical level (due to the killing of this cells with different mechanisms), cell-mediated immunity is lost. As a result, the body becomes progressively more susceptible to infections, leading to the development of AIDS.

 HIV can be transmitted only via body fluids like blood, semen, pre-seminal fluid, rectal fluids, vaginal fluids, and breast milk, which means that people usually get or transmit HIV through sexual behaviours and use of the needle. For HIV infection, these fluids must come in direct contact with a mucous membrane or damaged tissue. Another way is to be directly injected into the bloodstream (from a needle for example).

Some isotopes are_____ , which makes them suitable for medical imaging procedures.

Answers

Some isotopes are radioactive, which makes them suitable for medical imaging procedures. Radioactive isotopes have found a wide range of use in medicine. For example, they are used as tracers for diagnostic as well as research on metabolic processes. They are also used in medical imaging procedures, these isotopes include fluorine-18, gallium-67 among many others.

Answer:

Isotopes such as fluorine-18, gallium-67, krypton-81m, rubidium-82, nitrogen-13, technetium-99m, indium-111, iodine-123.

Explanation:

For diagnostics, medical imaging radiopharmaceuticals are used intravenously or orally. After which external detectors catch the images from the radiation that is emitted from these isotopes also used in MRI and CT scanners.

Iodine 123 is used for examining the whole body part. In developed countries about 26 % of the population use 2%/ year of these medications for the therapies, and these nuclear medicines were developed in the 1950s by physicians who emphasized there use of Iodine 131 for the treatment of thyroid disease.

These isotopes consist of molybdenum-99, which has half-life 66 hours,

In multicellular organisms, the process of differentiation produces cells that are specialized to perform specific functions. for example, one cell may become a muscle cell whose function is to shorten or lengthen to allow movement. another cell may become a nerve cell whose function is to relay signals in response to stimuli. how do the dna and genes in a muscle cell compare to the dna and genes in a nerve cell?

Answers

All cells in an organism have the same origin, They come from a single fertilized cell called the zygote. Therefore, all cells in an organism have the same DNA and genes.
In order for a cell to become a specialized cell like a muscle cell or a nerve cell, it goes through a process of differentiation. Even though the DNA of the cell remains unchanged, the expression of genes in different cells differs greatly. Cell's surroundings and chemical factors trigger cell response and expression of genes specific to that type of cell.
So, the DNA and genes of all cells in an organism are the same, the thing that makes the difference is the specific expression of the genes.

Answer:the dna is the same, but different genes are activated

Explanation:

Which is the best description of sexual reproduction in plants

Answers

It is not A sexual but is sexual because the plant has to have the pollen and the seed to produce more plants.

Plants reproduce sexually through their flowers. The flowers have both the male and the female organs. Pollens contain the male gametes and the stimage is a long tube connecting to the female organ of ovary that has the female gametes. The pollen grains need to stick to the stigma for the pollination to begin. This can happen in two ways:

a. Self-pollination: When the pollens of the same plant or flower end up on its stigma. This can happen by the force of wind.

b. Cross-pollination: When the pollens of one plant end up on the stigma of the other plant's flower. This happens when insects while visiting a flower get pollen grains stuck on their body and deposit it at the stigma of the other plant's flower when they sit on it.

The best example would be of the Hibiscus and the Yucca plant flower, each of which gets pollinated by insects.

What two processes of digestion begin in the mouth how do they differ?

Answers

mechanical & chemical: mechanical is when food is chewed chemical is using the saliva in the mouth

The maximum velocity (vmax) of an enzymatic reaction is an important piece of information regarding how the enzyme works. what series of measurements can be taken in order to infer the maximum velocity of an enzyme-catalyzed reaction

Answers

Normally when one studies an enzymatic reaction you need to do the following:
1. The initial rate of the reaction - or initial velocity - Vo - (when you've just combined the enzyme and the substrate) - you measure the amount of product made per unit time right at the beginning of the reaction.
2. You have to do this for each concentration of substrate - this would be a range of substrate concentrations.
3. You plot these on a graph with (substrate, Vo) as your (x,y)
What you will see is a graph that rises from 0,0 and eventually plateaus.
The plateau indicates that the enzyme is saturated with the substrate and is working as fast as it can. This is the maximum velocity or Vmax.
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Compare the functions shown below:f(x) = 3x 5g(x)cosine function with y intercept at 0, negative 3h(x) = 2 cos(2x ) + 4Which function has the greatest y-intercept?a. f(x)b. g(x)c. h(x)d. all three functions have the same y-intercept the sum of a number and 7 is the same as double the number increased by 3 how would monarchs of other countries view the popes move to france For Jack's birthday, his mom is taking him and 12 friends to the zoo. If she pays $11 for each ticket using her credit card, what impact will it have on the available credit left on her credit card? Crude oil is a toxic chemical that is ____A. Organic B. A pathogen C. A heavy metalD. Inorganic Temperature refers to the _____. A.amount of heat energy in an object B.arrangement of the atoms in matter C.average kinetic energy of the particles in a substance D.pressure exerted by atoms on anything that touches them The youth movement originated with the ___ the generation born after ___ Jeremy bentham, the classical advocate of utilitarian punishment, believed that punishment could be calibrated to deter crime. his idea of (a) ___________ involved two concepts: (1) mankind was essentially rational and pleasure-seeking, and would seek to maximize pleasure and reduce pain in all behavior decisions, and (2) a legal system could accurately determine exactly what measure of punishment was necessary to slightly outweigh the potential pleasure or profit from any criminal act. What circumstances contributed to the allied victory at the battle of the marne? The perimeter of a rectangular floor is 50 feet. find the dimensions of the floor if the length is four times the width. At 7 a.m. Gene left Austin and headed south at 10 miles per hour. At 8 a.m. Anne left from the same place and headed south on the same road. If Anne was 60 miles ahead by 3 p.m. on the same day, what was her speed? 2. Why does Dr. Dorian say he believes it's possible that animals talk? A. He has heard them. B. People talk, so animals can, too. C. Nothing proves they don't. D. Fern has talked to them. Find the dimensions of a rectangle whose width is 6 miles less than its length and whose area is 55 square miles. True or False? The shortest distance from the center of the circumscribed circle to the sides of the inscribed triangle is the circle's radius Why do secessionists place so much emphasis on the growth of antislavery public opinion in the north? What did the United States do to encourage Texas to give up some of its land?A) threatened to fine or punish it B) offered to pay off its debt C) allowed it to become a slave state D) promised it other land How do the hawks develop the theme that the universe conspires to help one realize one's personal legend? santiago dismisses the dream of the hawks and focuses on becoming friends with the chieftains. santiago correctly interprets the omen of the hawks and is able to continue his journey. the hawks create a fearful tone that reflects the challenges santiago will face on the next stage of his journey. the hawks encourage santiago to keep moving when he is about to turn back and give up on his dream? Cells often store materials like water, salts, proteins and carbohydrates in sac-like structures called a.chloroplasts. b.lysosomes. c.mitochondria. d.vacuoles. both houses of Congress represent the executive branch Evaluate the expression for = 3 and = 5.r^{-4} s^2