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Answer: I think it is correct.
Explanation: I can't guarantee that 100%, but from what I see everything seems to look good.
Related Questions
the area between the terminal buton of the neuron and the motor end plate of the muscle fiber is called the synaptic cleft. the neuron releases a neurotransmitter, acetylcholine (ach), that acts as a chemical messenger. ach travels across the synaptic cleft to bind to receptors on the muscle fiber much like a key fits into a specific lock. the end result of the binding of ach causes a muscle contraction to occur. a. true b. false
Answers
The synaptic cleft is the space between the motor end plate of the muscle fiber and the neuron's terminal button. This statement is true.
The neuron releases the neurotransmitter acetylcholine (ACH), which acts as a chemical messenger. ACH travels across the synaptic cleft to bind to receptors on the muscle fiber, much like a key fits into a specific lock.
The end result of the binding of ACH is muscle contraction. The binding of acetylcholine (ACH) to its receptors on the muscle fiber triggers a series of events that leads to a muscle contraction.
The binding of ACH opens ion channels in the muscle fiber membrane, causing an influx of positively charged ions, such as sodium ions. This leads to a change in the membrane potential of the muscle fiber, which ultimately triggers the release of stored calcium ions.
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the human genome project, which mapped the locations of the genes in the human genome, was initially led by james watson (one of the discoverers of the structure of dna). the human genome project was initiated in 1990 and completed in 2003. which subdivision of genetics does the human genome project fall under?
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The human genome project falls under the Molecular genetics subdivision of genetics.
The Human Genome Project, which received funding from the public, brought together scientists from all over the world. The project was able to run on a huge scale thanks to funding from the US Department of Energy and the National Institutes of Health, as well as the Medical Research Council and Wellcome Trust in the UK. The enormous task of sequencing the first human genome was then taken on by the laboratories from these organizations and their collaborators in six countries.
A subfield of biology known as molecular genetics investigates the mechanisms by which differences in the structures or expression of DNA molecules cause variation in organisms.
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fluid is filtered from blood as it enters a capillary due to the , but fluid is reabsorbed as the blood exits a capillary due to the .
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Fluid is filtered from blood as it enters a capillary due to the hydrostatic pressure from the heart, but fluid is reabsorbed as the blood exits a capillary due to the osmotic pressure from proteins in the plasma
The appearance of edema is significantly influenced by plasma colloid osmotic pressure (COP). A greater understanding of the importance of COP determinations in clinical practice has resulted from the development of a straightforward method for COP measurement that is based on an electronic pressure transducer and a semipermeable membrane system.
The measured COP replicates the calculated value based on serum proteins in a steady state. A derived value is unreliable in pathologic sera. Average human plasma COP is 25.4 mm Hg. This value tends to drop with advancing years, is lower in females, and also drops in subjects confined to bed rest. A unique contribution to the differential diagnosis of pulmonary edema is made by COP measurement as a clinical tool. Measurements of COP in seriously ill patients provide a valid
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the test for turbidity describes what characteristics of water?
a. odor
b. mineral concentration of the water
c. suspended material in the water
d. metal concentration of the water
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The test for turbidity describes what characteristics of water is to determine the mineral concentration of the water so option B is correct.
It's substantially used to measure the attention of suspended material in the water, similar as complexion, ground, plankton, and other organic and inorganic matter. Turbidity is expressed in nephelometric turbidity units( NTU) and is determined by passing a light ray through a sample of water and measuring how important light is scattered.
The advanced the turbidity, the further material is suspended in the water and the lower light that passes through the sample Turbidity doesn't measure essence attention or odor and doesn't indicate mineral attention or the presence of any kind of bacteria.
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A 52-year-old man with a history of AIDS, hypertension, diabetes mellitus, and alcohol abuse was found unconscious in his home by his roommate. In the emergency department, he was hypotensive (103/60 mm Hg), febrile (temperature 101°F), and unresponsive. Computed tomography scan of the abdomen showed cholecystitis and gallstones. Laboratory data are listed. The patient was diagnosed with acute renal failure. He was administered intravenous fluids; BUN fell to 68 mg/dL and creatinine fell to 2.2 mg/dL. The patient’s blood culture report was positive for E. coli. He was treated with tobramycin and cefepime.The patient continued to deteriorate and died 5 days
after admission. Cause of death was multiorgan failure
secondary to AIDS, sepsis, and alcoholic cirrhosis.
Questions
1. What is the significance of the patient’s elevated CK? Explain why the physician ordered a CK-MB and troponin level. What can you conclude about the patient’s cardiac status?
2. What is the cause of his acute renal failure?
3. What is the significance of the patient’s large urine hemoglobin?
4. How would you interpret this patient’s liver function tests considering his clinical history
Drugs of Abuse Negative Urinalysis
Serum ethanol 84 mg/dL Hemoglobin Positive
WBC 4 HPF (0–4)
RBC 2 HPF (0–4)
CK 3,308 U/L (24–204) BUN 71 mg/dL (8–21)
CK-MB 15 ng/mL (0–7.5) Creatinine 4.1 mg/dL (0.9–1.5)
Troponin T <0.01 ng/mL (0–0.4) Alkaline phosphatase 443 U/L (45–122)
pH 7.50 Aspartate aminotransferase 305 U/L (9–45)
pCO2 27 mm Hg Alanine aminotransferase 78 U/L (8–63)
Total CO2 15 mmol/L Gamma glutamyl transpeptidase 724 U/L (11–50)
Total bilirubin 2.7 mg/dL (0.2–1.0)
Direct bilirubin 2.4 mg/dL (0–0.2)
Answers
Elevated CK (Creatine kinase) levels suggest muscle damage.
The physician ordered CK-MB and troponin levels to determine if the elevated CK was due to muscle damage or a heart attack.
A high level of CK-MB, a specific isoform of CK found in heart tissue, would indicate a heart attack.
A positive troponin level would also suggest a heart attack. In this case, the patient's CK-MB level was 15 ng/mL and troponin T level was <0.01 ng/mL. Both values are within normal limits, indicating that the elevated CK was not due to a heart attack.
The cause of the patient's acute renal failure is most likely related to sepsis, as the patient tested positive for E. coli in their blood culture.
Sepsis is a systemic inflammatory response to infection that can cause multiple organ failure, including kidney failure. Additionally, the patient's history of AIDS, hypertension, and diabetes mellitus may have contributed to the development of acute renal failure.
The presence of large urine hemoglobin is indicative of hematuria, or blood in the urine. This can be caused by a number of factors, including kidney disease, urinary tract infections, bladder or kidney cancer, or injury to the urinary tract. In this case, the patient's history of AIDS and sepsis, along with the positive result for E. coli in their blood culture, suggests that the hematuria is likely related to the sepsis and renal failure.
The patient's elevated alkaline phosphatase and gamma glutamyl transpeptidase levels suggest liver damage, which can be seen in liver diseases such as alcoholic cirrhosis.
Additionally, the elevated aspartate aminotransferase and alanine aminotransferase levels suggest liver inflammation, which is also commonly seen in liver disease. The patient's history of alcohol abuse, along with the elevated liver function tests, suggest that the patient's liver function was likely impaired due to alcoholic cirrhosis.
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in humans, free earlobes are dominant to attached earlobes, and a straight thumb is dominant to a hitchhikers thumb
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By crossing two individuals which are heterozygous for the traits earlobes and hitchhikers thumb, the phenotypic ratio will be 9:3:3:1.
What is a dihybrid cross?A dihybrid cross is a breeding experiment which is done between two organisms which are identical hybrids for the two specific traits.
Here, the two traits which are dominant are free earlobe and straight thumb, and these are denoted by E and T on their alternative recessive alleles which are attached lobe and hitchhiker thumbs and these are denoted by the e and t respectively. The heterozygous condition will be EeTt.
The cross between the two heterozygous individuals EeTt and EeTt will produce gametes ET, Et, eT, and et. The phenotypic ratio of this cross would be 9:3:3:1, which means that 9 out of the 16 offspring will be dominant in both the traits, 3 will be free lobe and hitchhiker thumb individuals, 3 will be straight thumb and attached earlobe individuals, and 1 will be recessive in both the traits.
The image of the cross is attached with the answer.
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Your question is incomplete, most probably the complete question is:
In humans, free earlobe are dominant to attached earlobe, and a straight thumb is dominant to a hitchhikers thumb. Cross two people that are heterozygous for both traits.
Please help and answer questions 9 - 11. Thanks
Answers
a) The depth was 2 Km when the ocean floor was formed
b) At six million years old, the depth of the ocean crust is 5.5 Km
c) The relationship between the depth of the ocean crust and the ocean is Depth α age of the ocean.
What is inverse proportionality?Inverse proportionality is a mathematical relationship between two variables, where their product is equal to a constant value. It means that as one variable increases, the other decreases in such a way that their product remains constant.
The equation representing inverse proportionality is y = k/x, where k is the constant of proportionality and x and y are the variables.
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the e. coli genome contains approximately 4639 kb. a. how many copies of the 6-bp recognition sequence for the trp repressor would be expected to occur in the e. coli chromosome? b. explain why it is advantageous for the trp repressor to be a dimer that recognizes two adjacent 6-bp sequences.
Answers
The 773167 copies of the 6-bp recognition sequence for the trp repressor would be expected to occur in the e. coli chromosome.
The sequences has several advantages: Increased specificity, Increased binding affinity, Co-operative binding.
The e. coli genome contains approximately 4639 kb.
The number of copies of the 6-bp recognition sequence that would be expected to occur in the E. coli chromosome can be calculated as follows:
[tex]=\frac{4639 (kb)*1000 bp/kb}{6 (bp/sequence)}[/tex]
=773167 sequences.
The 773167 copies of the 6-bp recognition sequence for the trp repressor would be expected to occur in the e. coli chromosome.
b. The trp repressor being a dimer that recognizes two adjacent 6-bp sequences has several advantages:
Increased specificity: By recognizing two adjacent sequences, the trp repressor is able to specifically target a much smaller subset of sequences in the genome.
Increased binding affinity: Recognizing two sequences at once increases the overall binding energy of the trp repressor, making it more tightly bound to its target site.
Co-operative binding: By recognizing two adjacent sites, the trp repressor can bind in a manner that amplifies its effect, leading to stronger repression of gene expression.
Overall, these advantages help ensure that the trp repressor only targets the correct sites in the genome, and that it can effectively regulate gene expression.
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each body cell of a chimpanzee contains 48 chromosomes. how many chromosomes would normally be present in a gamete produced by this chimpanzee?
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24 chromosomes would normally be present in a gamete produced by this chimpanzee.
Chimpanzees, gorillas, and orangutans all have 48 chromosomes; humans have 46. In order to create human chromosome 2, two ancestral chromosomes were fused together, and one of the two original centromeres was then inactivated, resulting in this significant karyotypic divergence.
Sequences that were formerly found close to the ends of the ancestral chromosomes are now found in the middle of chromosome 2, close to the edges of bands 2q13 and 2q14.1 as a result of this fusion. We will hereafter abbreviate the area surrounding the fusion to 2qFus for convenience. The presence of two head-to-head arrays of defective telomere repeats at this location suggests that chromosome 2 originated from a telomere-to-telomere fusion. Fluorescence in situ hybridization has also discovered cross-hybridization between 2qFus and several subtelomeric areas.
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In taxonomy, what is true about the hierarchal rank of family?
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In taxonomy, true about the hierarchal rank of a family is "A family will usually include far more taxa than a genus".
In taxonomy, the rank of a genus is lower than that of the family. A family is made up of many different genera all working together. Therefore, there are more organisms in a family than there are in a genus. A family is more welcoming to new members than a genus, while a genus is more selective than a family.
In most cases, members of the same family share personality traits. They cannot be distinguished from one another on the basis of the presence or absence of a nucleus. It cannot be that some species have nuclei while others have not.
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signboards with skull and crossbones are used to represent danger and to warn people. in this context, the skull and the crossbones together constitute a .
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Signboards with skulls and crossbones are used to represent danger and warn people. In this context, the skull and crossbones together are a symbol.
The poison symbol is marked with a crossbones image and a human skull. This symbol indicates a chemical that has the following characteristics:
It is toxic to humans and can cause poisoning or serious illness if it enters the body through inhalation, skin, or mouth.Preventive toxicological level based on LD 50 test (very very toxic, very toxic, and toxic)Acute toxicity hazardLearn more about the symbol of the skull and crossbones at https://brainly.com/question/24481088
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what is synergy in a team?
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Synergy is Greek for "to cooperate" or "to work together." Synergy's main goal is to facilitate your collaboration, connection, and communication with partners from other fields.
Synergy is the process through which people or organisations pool their resources and work together to produce greater output, effectiveness, and performance than they could alone. The finest illustration of this is a merger or purchase, when the new business will be more valuable than the merging of the two businesses. Business mergers, integrating or developing complementary product lines, and forming cross-disciplinary work groups are a few examples of synergy in the business sector.
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g which of the following describes a common feature of f-actin, microtubule, and intermediate filament? a: they are all made of up small subunits b: they all provide tracks for molecular motors c: their assembly depends on atp hydrolysis d: their assembly depends on gtp hydrolysis e: they all have two same ends
Answers
Common feature of f-actin, microtubule, and intermediate filament they all provide tracks for molecular motors.
F-actin, microtubules, and intermediate filaments are all cytoskeletal elements found in eukaryotic cells. They play a crucial role in maintaining cell shape and facilitating cell movement, among other functions. One common feature of these three structures is that they all serve as tracks for molecular motors, which are protein complexes that move along the cytoskeleton and transport various cellular cargo. The molecular motors move along the filaments and use the energy from ATP hydrolysis to power their movement. This movement is essential for various cellular processes such as cell division, intracellular transport, and maintenance of cell shape. The coordinated interaction between the cytoskeleton and molecular motors is crucial for the proper functioning of cells.
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Background:A scientist wants to study the cytochrome c gene of a fruit fly. The DNA for the gene is extracted and subjected to several treatments. If this gene were found to be expressed at different levels in different cells of the same organism, what would be responsible? A. transcription factor B. rRNA C. ribosome D. RNA polymerase
Answers
Transcription factor is the responsible for the expression of the cytochrome c gene at different level in the different cell of the same organism so option A is correct.
Transcription factor are proteins that regulate the expression of genes by binding to specific DNA sequences near the gene. They can either spark or repress gene expression. Transcription factor are crucial controllers of gene expression as they impact numerous cellular processes including cell growth, isolation, metabolism, and development.
They can also act as a switch for turning genes on or out. Different combinations of Transcription factor are responsible for the different situations of expression of the cytochrome c gene in different cells.
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while some mutations in the coding sequence of dna may prove to be positive, most mutations negatively impact the lives of individuals. however, some mutations have no effect at all. how is this possible? while some mutations in the coding sequence of dna may prove to be positive, most mutations negatively impact the lives of individuals. however, some mutations have no effect at all. how is this possible? ribosomes require only two of the three nucleotides in a codon to stay constant. there is redundancy in the genetic code to where more than one triplet codes for the same amino acid. mutations are never passed on genetically. nucleotides in the short tandem repeats are immune to mutations.
Answers
Some mutations show no effect at all. This is possible due to genetic code redundancy, in which more than a triplet codes for the exact same amino acid.
The genetic code is the system by which DNA sequences translate into functional proteins, and it is based on the pairing of triplets of nucleotides (codons) with specific amino acids. However, there is redundancy in the code, meaning that more than one codon can code for the same amino acid.
As a result, many mutations in the coding sequence of DNA may have no effect at all, as they do not alter the encoded amino acid and thus have no impact on the function of the protein. This redundancy acts as a protective mechanism that allows for some degree of stability in the face of genetic variations, enabling organisms to better adapt to changing environments.
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What is the best way to improve muscular endurance?
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The best way to increase muscular endurance is by using light resistance during exercise with multiple repetitions.
Muscular endurance is basically the ability to continue contracting a muscle, or a group of muscles, against some resistance like weights or even body weight, over a period of time. It basically refers to how long our muscles can sustain a particular exercise. Improving muscular endurance helps to enhance the overall health and fitness of the body.
A greater amount of muscular endurance allows a particular person to complete more number of repetitions of a particular exercise, for example, pushups or squats. The best way to increase muscle endurance is to use light resistance while exercising and doing multiple repetitions.
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the correct sequence of processes represented by a, b, and c is? responses digestion-->excretion-->cellular respiration digestion-->excretion-->cellular respiration diffusion -->synthesis -->active transport diffusion -->synthesis -->active transport synthesis-->active transport--> excretion synthesis-->active transport--> excretion digestion--> diffusion--> cellular respiration
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A hypothesis is a provisional explanation that proposes a potential clarification for some peculiarity or occasion. The answer is digestion--> diffusion--> cellular
There are two kinds of cell division: mitosis and meiosis. More often than not when individuals allude to "cell division," they mean mitosis, the method involved with making new body cells. Meiosis is the kind of cell division that makes egg and sperm cells.
As recently referenced, the principal round of atomic division that happens during the arrangement of gametes is called meiosis I. It is otherwise called the decrease division since it brings about cells that have around 50% of the number of chromosomes as the parent cell.
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which of these organisms has the best potential to survive in extreme environments
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a. Fungi has the best potential to survive in extreme environments.
Fungi are known to be highly adaptable to a wide range of environmental conditions, including extreme temperatures, pH levels, and drought. Some fungi can even survive in extremely salty or acidic conditions.
Trophozoites from protozoa are single-celled organisms that are capable of thriving in a variety of environments, including those that are high in temperature and humidity. They are also capable of surviving in environments that lack oxygen or have low nutrient levels.
Helminths, or parasitic worms, are known for their ability to survive and reproduce in harsh environments. They are able to tolerate fluctuations in temperature, pH, and nutrient levels and are often able to resist antibiotics and other treatments.
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Complete Question:
Which of these organisms has the best potential to survive in extreme environments?
a. Fungi
b. trophozoite from protozoa
c. helminth
d. yeast
Please help me I really need it
Answers
Complete the following table olution direction of water movement where i the olute concentration hightet?
Answers
The Hypertonic solution's direction of movement is out of the cell, the solution of hypotonic solution's direction of movement is into the cell and the Isotonic solution's is having no net movment.
The development of water across a cell film is impacted by the grouping of solutes on one or the other side of the layer. Assuming that the convergence of solutes is higher external the cell contrasted with inside, the arrangement is thought of as hypertonic. For this situation, water will move out of the cell to attempt to adjust the focus on the two sides. Assuming that the centralization of solutes is higher inside the cell contrasted with outside, the arrangement is thought of as hypotonic and water will move into the cell. On the off chance that the grouping of solutes is equivalent on the two sides, the arrangement is viewed as isotonic and there will be no net development of water across the layer.
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Examples of biotic factors in ecosystem
Answers
Keeping in mind your answer to the previous question, what do you believe caused the corn plants
to wilt and eventually die?
The plants lost all their water to the environment through osmosis
Too much rain water moved into the plants through osmosis
The solutes in the fertilizer moved into the plant and the water
followed by osmosis
The fertilizer contained solutes that inhibited water uptake through osmosis
Which is correct^ help!
Answers
Answer:
The fertilizer contained solutes that inhibited water uptake through osmosis.
what is the main function of a cell's genetic material? multiple choice question. it accelerates chemical reactions. it is an important component of the cell membrane. it encodes proteins. it provides structural stability for cells.
Answers
The main function of a cell's genetic material is it encodes proteins.
Thus, the correct option is C.
The nucleus contаins genetic (hereditаry) mаteriаl. Genetic mаteriаl, written in deoxyribonucleic аcid (DNА), provides instructions for the cell. Аll cells contаin the sаme DNА (the sаme set of instructions), but cell types аre different becаuse of different gene expressions. For exаmple, skin cells аnd blood cells look аnd function differently. In other words, they follow different pаrts (genes) of the sаme instructions (genetic mаteriаl).
Hence, genes encode proteins аnd proteins dictаte cell function. Therefore, the thousаnds of genes expressed in а pаrticulаr cell determine whаt thаt cell cаn do.
Your options aren't well arranged, but most probably your options were
a. it accelerates chemical reactions.
b. it is an important component of the cell membrane.
c. it encodes proteins.
d. it provides structural stability for cells.
Thus, the correct answer is C.
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Should intelligence scores be used to place children into different school programs?
Answers
No, intelligence scores should not be used to place children into different school programs. Other factors, such as motivation and attitude, should be taken into consideration.
Why intelligence tests should be used in schools?Intelligence tests should be used in schools to provide valuable information about student abilities. This information can help teachers better understand the individual strengths and weaknesses of each student and provide them with more targeted instruction.
Intelligence tests can also be used to identify students who are gifted or have learning disabilities, so they can be provided with the appropriate interventions and accommodations. Additionally, intelligence tests can provide an objective measure of student performance across different grade levels, helping educators make more informed decisions about curriculum and instruction.
Finally, intelligence tests can be used to measure student progress over time, allowing teachers to adjust instruction as needed. Overall, intelligence tests are an important tool for providing educators with useful information about student abilities.
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how does the body try to maintain homeostasis ap psychology
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The body strives to maintain homeostasis through the actions of several physiological systems and mechanisms.
Some key examples include: Nervous System, Endocrine System, Immune System, Cardiovascular System, Respiratory System, Renal System
Nervous System: The nervous system constantly monitors the body's internal and external environments, and quickly responds to any changes through reflexes or the release of hormones.Endocrine System: The endocrine system secretes hormones that regulate various physiological processes, such as metabolism, growth, and reproduction.Immune System: The immune system helps to maintain homeostasis by identifying and removing foreign invaders, such as bacteria and viruses, that could disrupt the body's internal environment.Cardiovascular System: The cardiovascular system helps to regulate blood pressure and maintain blood flow to the body's various organs.Respiratory System: The respiratory system helps to regulate blood oxygen levels and carbon dioxide removal.Renal System: The renal system helps to regulate fluid and electrolyte balance in the body.Learn more about homeostasis here :
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which level of protein structure ultimately dictates the final, three-dimensional fold of a protein? primary structure secondary structure tertiary structure quaternary structure
Answers
The level of protein structure ultimately dictates the final, three-dimensional fold of a protein is a quaternary structure.
Out of all of these many kinds of protein structures, the quaternary structure of protein is the only one that has protein folds in three dimensions. It operates as a single functional unit despite being composed of an aggregation of two or more polypeptide chains and having a multimer structure.
A protein's quaternary structure is formed when several protein chains or subunits are packed together in a dense configuration. This type of arrangement is called a superstructure. Each of the subunits possesses its very own primary structure, as well as secondary and tertiary structures. Hydrogen bonds and van der Waals forces, which act between nonpolar side chains, are responsible for keeping the subunits together.
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how can an understanding of mendelian genetics be used in genetic counseling?
Answers
The understanding of Mendelian genetics can be used in genetic counselling such that the counsellors can inform the couple about the odds or disease that may occur in their offspring. Or the history for a specific disease can be traced from the family tree.
Mendelian genetics refers to the laws of genetics established by Mendel. These are : the law of dominance, the lay of segregation and the law of independent assortment. All the laws describe how the traits are passed on from parents to their offspring.
Genetic counselling is the process of examining the genetic history of an individual. It includes the formation of genetic family tree or pedigree through which the heredity can be studied. It also helps in detecting the defects in future generations.
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which of the following is the correct order of elements in a control system? a) receptor, stimulus, afferent pathway, control center, efferent pathway, effector, response b) receptor, stimulus, efferent pathway, control center, afferent pathway, effector, response c) effector, stimulus, efferent pathway, control center, afferent pathway, receptor, response d) stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response e) stimulus, receptor, efferent pathway, control center, afferent pathway, effector, response
Answers
The correct order of elements in a control system is stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
The control center establishes the variable's normal range. The control center sends signals to effectors in response to changes in the stimulus all of this receives from the sensor in order to maintain homeostasis.
The thing that needs to be controlled is the stimulus or the physiological variable that changes. A value that varies or changes is referred to as a variable broadly.
The cell, tissue, or organ that detects a change in a stimuli or physiological variable is known as a sensor or sensory receptor. The cell, tissue, or organ that reacts to signals from the control center is known as an effector.
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They want to produce the most biofuel at the lowest cost what constraints should they consider?
A. Amount of biofuel produced
B. Amount of cost to produce biofuel
C.available water and space
D.all of the above
Answers
All of the constraints mentioned in the options should be considered while planning to produce the most biofuel at the lowest cost (option D).
what is biofuel?Biofuel is a type of fuel that is created quickly from biomass, as opposed to the lengthy natural processes that result in the development of fossil fuels like oil. Plants can be used to make biofuel, as well as home, commercial, and agricultural biowaste.
In planning the production of the most biofuel at the lowest cost,
Amount of biofuel producedAmount of cost to produce biofuelAvailable water and space should all be considered.Learn more about biofuel here https://brainly.com/question/1357212
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based on the background information provided for this experiment, what colour do you expect to be emitted from green chlorophyll extracts in acetone when examined under uv light?
Answers
Fluorescence is the source of the colour emitted from chlorophyll extracts in acetone when examined under UV light.
In 1817, Joseph Bienaimé Caventou and Pierre Joseph Pelletier isolated and identified chlorophyll for the first time. The existence of magnesium in chlorophyll was discovered in 1906, and it was the first time that element was found in living tissue. Chlorophyll is essential for photosynthesis, which allows plants to absorb light energy.
The chlorophyll reaction center absorbs light energy and transfers it to other elements of the photosystem. The photon's absorbed energy is converted to an electron in a process known as charge separation. One oxidation process occurs when an electron is removed from chlorophyll. The chlorophyll gives the high energy electron to an electron transport chain, which is a succession of chemical intermediates.
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Based on the background information provided for this experiment, what is the source of the colour emitted from chlorophyll extracts in acetone when examined under UV light?
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