as your head turns horizontally to the left, what happens to activity levels in your left and right vestibular nerves? would a similar pattern of activity be obtained by irrigating your left ear with warm or cold water?
Answers
As the head turns horizontally to the left, the activity levels in the left and right vestibular nerves show different responses. Irrigating the left ear with warm or cold water would not produce the same pattern of activity as head movement.
The vestibular system is responsible for sensing head movements and maintaining balance. It consists of vestibular nerves that transmit signals from the inner ear to the brain. When the head turns horizontally to the left, the activity levels in the left vestibular nerve increase, while the activity levels in the right vestibular nerve decrease. This differential response is due to the stimulation of the semicircular canals in the inner ear, which detect rotational movements.
On the other hand, irrigating the left ear with warm or cold water would not elicit the same pattern of activity as head movement. The vestibular nerves are primarily sensitive to head motion and changes in head position rather than changes in temperature. Irrigation of the ear with warm or cold water may cause temporary changes in the perception of balance or dizziness due to the stimulation of the vestibular system, but it would not replicate the specific activity pattern observed during head movement.
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Related Questions
7. As the human population grows, it can cause disturbances in ecosystems.
a. Identify a small disturbance to an ecosystem that can be caused by humans. Describe why it
is considered a small disturbance, and then explain how it is likely to affect the biodiversity of
the ecosystem in which it occurred. (5 points)
406
b. Identify a possible solution for minimizing or eliminating the disturbance, and then expla
how it would solve the problem. (5 points)
Answers
There are many human activities that impact the ecological disturbance in the environment. The activities are pollution, the use of fossil fuels, deforestation, and overpopulation. These changes have triggered many problems such as soil erosion, a huge negative impact on the climate, and a lack of availability of drinkable water.
These are some primary reasons which are causing a disturbance in the ecosystem. The use of fossil fuels should be reduced as they emit greenhouse gases which are also responsible for global warming and aforestation should be done.
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What are some Characteristics of the Golden eagle?
Answers
Answer:
Golden Eagles have a square tail, fully feathered legs and large talons. Females are much larger than males and they both have the same coloured plumage. Golden Eagles are very agile in flight and they can remain in the air for hours. They have a graceful, soaring flight with their wingtips being slightly upturned.
Explanation: Golden Eagles have a square tail, fully feathered legs and large talons. Females are much larger than males and they both have the same coloured plumage. Golden Eagles are very agile in flight and they can remain in the air for hours. They have a graceful, soaring flight with their wingtips being slightly upturned.
Answer:
Golden eagles are very Graceful, in appearance. In flight golden eagles are known to be very agile. This characteristic “Agile”, gives them the ability to think quickly. This makes golden eagles smart.
Explanation:
Flag questionTransfer RNAs (tRNA) are produced through transcriptionof tRNA "genes" (DNA).It is of course essential that the tRNAs produced havecorrect ribonucleotide sequences so that (i) they arerecognised by the correct aminoacyl tRNA synthetase and(ii) they have an anticodon that matches them to thecorrect mRNA codon during translation.ESTSAssume the DNA encoding one of the tRNAs for the aminoacid tryptophan has been mutated and instead of itsanticodon sequence reading 5'-CCA-3' (correct), it nowreads 5'-TCA-3' (incorrect).What will be the effect on protein synthesis? Explainbriefly.TEEK 11CEK 11
Answers
It would depend on whether the modified codon code for the same amino acid or not. If it does not code for the same amino acid, then the protein would be different, and in some cases, it can cause a problem with its function, mostly if this modification is found on the interaction site of the protein with other components.
Who discovered mercury and what is your source?
Answers
Answer: Sumerians
Explanation: www.whodiscoveredit.com/who-discovered-mercury.html
Answer:
Galileo Galilei first discovered mercury my source https://www.nhm.ac.uk/discover/planet-mercury.html#:~:text=Mercury%20is%20one%20of%20the,Galileo%20Galilei%20and%20Thomas%20Harriot. that link
Explanation:
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A student places four small aquatic snails in a test tube containing bromothymol blue solution. The solution will change color from blue to yellow if the carbon dioxide level increases. The student seals the test tube and notes that the solution is blue. After a few hours, the student observes that the solution is yellow. What cellular process did the snails perform that caused the color of the solution to change
Answers
Answer:
Respiration.
Explanation:
Respiration is the process which occurs in the test tube because the snails is a living organism that releases carbondioxide gas that mix with the solution and change the colour. The student says that the solution will change color from blue to yellow if the carbon dioxide level increases. So due to presence of living organisms in the test tube, the living organism provides carbondioxide in large amount through the process of respiration.
An illness is affecting the production of a ligand. Describe the processes on and in the cell that would be affected. A full credit answer to this question will list all possible ways a ligand interacts with a cell, and it lists all possible results of cellular response that could be disrupted. What kind of a ligand is it? What could be a cause of a change in production (there are many, name at least one)?
Answers
Receptors in the cell surface bind to their specific ligand and thus trigger a signaling pathway such as a phosphorylation cascade.
What are cell receptors?Cell receptors are specific proteins within the cell membrane of the cell that binds to ligands and trigger signaling pathways, thereby mutations in the receptor sequence or problems associated with this process may produce a failure in the pathway.
The possible results of cellular response that could be disrupted include the inactivation of the signaling pathway, which might be a cause of a change in the production of a transcription factor that shapes gene expression patterns.
The types of ligands depend on the cell receptor (i.e., ion receptors, GPCRs, enzyme-based linking).
In conclusion, receptors in the cell surface bind to their specific ligand and thus trigger a signaling pathway such as a phosphorylation cascade.
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While you do not want to eliminate fat entirely, it is important to choose the types of fat that will be most beneficial to your health. This may involve making additions or substitutions to your usual diet choices in order to increase your intake of unsaturated fats and decrease your intake of saturated and trans fats. Choose the meal below that contains primarily healthful fats.
a. roasted turkey breast (no gravy), broccoli topped with 2 tbsp of shredded cheddar cheese, and mashed potatoes made with cream and butter
b. roasted salmon, spinach sautéed in olive oil, brown rice, and toasted walnuts
c. grilled hamburger patty (85% lean) on a whole-wheat bun, raw carrots and celery with .25 cup of blue cheese dressing, and buttered corn on the cob
d. fried chicken breasts from a fast-food restaurant, a green salad with no dressing, mac and cheese, and green beans with butter
Answers
The meal below that contains primarily healthful fats is: roasted salmon, spinach sautéed in olive oil, brown rice, and toasted walnuts contains primarily healthful fats. The correct option is b.
Option b includes foods that are rich in unsaturated fats, which are considered beneficial for health. Here's a breakdown of the components:
Roasted salmon: Salmon is a fatty fish that contains omega-3 fatty acids, which are a type of polyunsaturated fat known for their numerous health benefits, including promoting heart health and reducing inflammation.
Spinach sautéed in olive oil: Olive oil is a source of monounsaturated fats, which are also considered healthy fats. They can help lower bad cholesterol levels and reduce the risk of heart disease. Spinach is a nutrient-dense vegetable that provides additional vitamins and minerals.
Brown rice: Brown rice is a whole grain that contains fiber and various nutrients. While it doesn't contribute significant amounts of fat, it is a healthier alternative to refined grains and complements the overall nutritious meal.
Toasted walnuts: Walnuts are a good source of polyunsaturated fats, including omega-3 fatty acids. They offer additional heart-healthy benefits and provide a satisfying crunch to the meal.
In contrast, options a, c, and d include foods that are higher in saturated fats or trans fats, which are less beneficial to health. By choosing option b, individuals can increase their intake of healthful fats and make positive dietary choices to support their overall well-being. The correct option is b.
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What is the structure of prokaryotic chromosomes?
(a) circular DNA tightly wrapped around histones
(b) circular DNA with no histones
(c) long, linear DNA with no histones
(d) long, linear DNA tightly wrapped around histones
Answers
The structure of prokaryotic chromosomes is circular DNA tightly wound around histones.
What is the structure of DNA in prokaryotes?Chromosomes have a basic structure: a DNA molecule that has portions wrapped in grains formed by eight molecules of a protein called histone. Each histone grain with coiled DNA is called a nucleosome.
What is the function of the chromosome?A chromosome can be demarcated along its length into thousands of regions called genes. The function of chromosomes is to control cell functions. In addition, they carry an individual's genetic information through genes.
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These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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removal of the cell wall of a gram positive bacteria results in the formation of a _____.
Answers
Removal of the cell wall of a gram-positive bacteria results in the formation of a protoplast.
Gram-positive bacteria have a thick peptidoglycan layer in their cell wall, which is responsible for retaining the crystal violet stain during the Gram staining procedure.
When the cell wall is enzymatically removed, the bacteria lose their characteristic shape and become spherical. The remaining structure, composed of the plasma membrane and cytoplasm, is referred to as a protoplast.
Protoplasts are fragile and are susceptible to osmotic lysis since they lack the structural support provided by the cell wall. However, they can still perform essential cellular functions such as metabolism and protein synthesis.
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review the following statements about mutations. which of the statements concerning mutations is false? multiple choice in genetic diseases, like sickle cell disease, the cell machinery involved in translation does not make any determination as to whether the resulting protein has the correct structure for its function. if there are mutations in a hemoglobin gene, the ribosome in the cell will manufacture the protein using these instructions and will not change the amino acids even if it is incorrect. in sickle cell disease, a single mutation in the hemoglobin gene causes the normal glutamic acid amino acid to be replaced by a valine amino acid. due to multiple mutations in the hemoglobin gene, these changes cause the complex hemoglobin protein to fold correctly, resulting in the sickle cell shape of the red blood cells.
Answers
The statement "if there are mutations in a hemoglobin gene, the ribosome in the cell will manufacture the protein using these instructions and will not change the amino acids even if it is incorrect" is false.
Mutations in a gene can lead to changes in the amino acid sequence of the resulting protein. This is because the genetic code is read in groups of three nucleotides called codons, and each codon specifies a particular amino acid.
If a mutation occurs in a codon, it can result in the incorporation of a different amino acid into the protein. In the case of sickle cell disease, a single mutation in the hemoglobin gene causes a change from the normal glutamic acid amino acid to a valine amino acid.
This change alters the shape of the hemoglobin protein, leading to the sickle shape of red blood cells.
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true or false: after cytokinesis 2 genetically identical daughter cells are produced
Answers
Answer:
True
Explanation:
Answer:
false.
Explanation:
Cytokinesis occurs after nuclear division (mitosis), which produces two daughter nuclei. Mitosis produces two identical daughter cells.
A river that is mature would be: *
A. Straight, fast flowing and have erosion on both sides
B. curved, slow flowing and would have more erosion on the outside curve
Answers
hope this helps
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in functional genomics, biologists use sequence information to identify the functions of various regions of genomes. which kinds of information could not be obtained from a genome sequence? rrna genes metabolite levels in cells genes encoding for transcription factors noncoding repetitive repeats amino acid sequences of proteins
Answers
Metabolite levels in cells. Genome sequencing involves determining the order of nucleotides in a genome. So, the correct answer is option B.
This sequence can reveal details about non-coding areas that might be involved in controlling gene expression, as well as information on the position and structure of genes.
In particular, the sequence can be used to recognise non-coding genes like rRNA and others, as well as genes that code for proteins.
Identifying non-coding repetitive sequences, including transposable elements, which are known to play a role in gene regulation, is also possible using it.
The sequence can reveal details about the makeup and operation of genes, but it is unable to reveal details about the concentrations of metabolites in cells, which can only be determined experimentally.
Therefore, the answer that cannot be determined from a genome sequence is B. Metabolite levels in cells.
Complete Question:
In functional genomics, biologists use sequence information to identify the functions of various regions of genomes. Which of the following CANNOT be obtained from a genome sequence?
A. rRNA genes
B. Metabolite levels in cells
C. Genes encoding for transcription factors
D. Noncoding repetitive repeats
E. Amino acid sequences of proteins
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an effective learning method? go of practical work in science? g. Is the scientific method of learning
Answers
Practical work in science is an effective learning method that allows students to apply theoretical knowledge, gain practical experience, and develop critical thinking and problem-solving skills.
Practical work in science is an effective learning method as it allows students to apply theoretical knowledge to real-world situations and gain practical experience in scientific methods and techniques. Through hands-on experimentation, students can develop critical thinking and problem-solving skills, as well as improve their understanding of scientific concepts. The scientific method is a key component of practical work in science, as it provides a systematic approach to conducting experiments and analyzing data. By following the steps of the scientific method, students can learn how to formulate hypotheses, design experiments, collect and analyze data, and draw conclusions based on their findings. Moreover, practical work in science can also foster creativity and curiosity, as students are encouraged to explore and investigate different scientific phenomena. This can help to inspire a passion for science and encourage students to pursue further study in science-related fields. The scientific method is a fundamental aspect of this approach, providing a systematic and structured framework for conducting experiments and analyzing data.
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DNA is made from two complimentary chains of______
Answers
Answer:
Nucleotides
Explanation:
I may have searched it up, heh.
In glycogen synthesis, the intermediate between glucose-1-phosphate and glycogen is
A) UDP-glucose .
B) UDP-glycogen.
C) glucose-1,6-bisphosphate.
D) glucose-6-phosphate.
E) glucose.
Answers
The intermediate between glucose-1-phosphate and glycogen in glycogen synthesis is glucose-1,6-bisphosphate. This molecule is formed when a phosphate group is transferred from ATP to glucose-1-phosphate by the enzyme phosphoglucomutase, creating glucose-1,6-bisphosphate.
This intermediate is then used to add glucose molecules to the growing glycogen chain through the action of glycogen synthase. The process of glycogen synthesis takes place in the liver and muscle cells of animals. It involves the conversion of glucose into glycogen for storage and later use as an energy source. The process begins with the conversion of glucose-6-phosphate into glucose-1-phosphate by the enzyme phosphoglucomutase. This molecule is then converted into glucose-1,6-bisphosphate by the enzyme phosphoglucomutase through the transfer of a phosphate group from ATP. Glucose-1,6-bisphosphate is then used to add glucose molecules to the growing glycogen chain through the action of glycogen synthase. As more glucose molecules are added, the glycogen chain grows longer and more branched, allowing for efficient storage of glucose. This process is regulated by hormones such as insulin and glucagon, which act to maintain blood glucose levels within a narrow range.
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The image shows a vulture soaring over a rocky cliff. The arrows model the different ways energy moves between the sun, atmosphere, and geosphere.
Match each type of energy transfer to the arrows shown in the image. Describe how energy transfer helps the vulture soar above this rocky cliff.
Answers
Given what we know about the way energy moves through the Earth, we can confirm that the vulture uses the hot air currents that result from this movement of energy to soar above the cliff.
The energy from the sun travels through the atmosphere, then into the soil where it is absorbed. The soil then radiates the heat back out into the atmosphere.
Given that hot air rises, this radiated heat causes the formation of hot air currents that the vulture then uses to glide upwards in a circular motion.
The vulture planes over the hot air currents with its wings at an angle to climb, it goes higher the further it wishes to travel given that once at the desired height, it glides downward towards its destination.
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Under certain external conditions, a person will perspire a great deal. For which internal condition does this response primarily provide homeostasis?
Answers
Answer:
Abnormally high temperature
Explanation:
Sweating or perspiration is a homeostatic response to abnormally high body temperature. Evaporation of the sweat causes cooling of the body and this causes the temperature of the body to return back to normal.
When the setpoint temperature of the body is breached by being too high, the negative feedback mechanism kicks-in, and the sweat glands of the skin becomes activated. The body sweats, and the evaporation of the sweat from the surface of the skin causes cooling and a return back to the setpoint.
5. A coral is made up of thousands of small structures called?
Answers
Answer:
polyps
Explanation:
_____________ residues act as an ""address"" for delivery of proteins to lysosomes
Answers
Mannose-6-phosphate (M6P) residues play a crucial role in the targeting and delivery of proteins to lysosomes, which are specialized compartments within cells responsible for the degradation and recycling of various molecules.
The process starts in the Golgi apparatus, an organelle involved in protein modification and sorting.
Within the Golgi, certain proteins destined for lysosomal localization undergo a modification known as glycosylation, specifically the addition of M6P residues to specific sugar molecules on the protein.
The presence of M6P residues serves as a molecular "address" or recognition signal for the proteins. These modified proteins are then recognized and bound by M6P receptors located in the trans-Golgi network.
The M6P receptors act as cargo receptors, selectively capturing the M6P-tagged proteins and packaging them into transport vesicles.
These transport vesicles bud off from the Golgi and travel through the cell's cytoplasm, specifically targeting lysosomes. The vesicles fuse with the lysosomal membrane, releasing their cargo into the lysosomal lumen.
Once inside the lysosomes, the proteins are subjected to the acidic and enzymatic environment. Lysosomal enzymes, including proteases, nucleases, and glycosidases, degrade the proteins into smaller peptides, amino acids, and other subunits.
These degraded components are then either recycled for cellular processes or excreted from the cell.
Overall, the presence of M6P residues on proteins acts as a specific address that enables their targeted delivery to lysosomes, ensuring their proper degradation and recycling within the cell.
This process is crucial for maintaining cellular homeostasis and eliminating unwanted or damaged proteins.
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if you were able to analyze the d1580 alleles from two people,what would you expect to see if the two individuals were biological siblings? you may want to use a punnett square to justify your answer.
Answers
If you were able to analyze the d1580 alleles from two people, there appears a human D1S80 region on chromosome 1.
The biggest human chromosome was chromosome 1, which spans roughly 249 million genetic material pairs and accounts for about 8% of all the DNA in cells.
When you're born, duplicated chromosomes X and Y chromosome determine whether you are boy or a girl. Sex chromosomes were referred to as: There are two X chromosomes in females. Each male has one X and one Y chromosome.
A Punnett square seems to be a graph that makes it simple to ascertain the anticipated proportion of various genotypes in children of two - parent families. a pea plant Squares square illustration.
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b. Describe cellular respiration, as represented by this model .
Answers
Where's the image?...
Explanation:
cellular respiration is the aerobic process by which living cells break down glucose molecules of ATP(adenosine triphosphate)
Answer bio question
Answers
what shape and color were the acid-fast cells
Answers
The acid-fast cells are rod-shaped and are red-orange in color. This is due to the presence of a waxy substance called mycolic acid that coats the outside of the cell and makes them resistant to acid decolorization. The mycolic acid is also responsible for giving the cell its distinctive red-orange color.
Acid-fast cells are bacteria that have a cell wall made up of lipids and proteins that make them resistant to certain acids and detergents. They are usually rod-shaped, but can also be cocci or oval shaped. They are usually red or pink in color due to the presence of carotenoid pigments in their cell walls.
Step 1: Acid-fast cells are bacteria that have a cell wall made up of lipids and proteins.
Step 2: These bacteria are usually rod-shaped, but can also be cocci or oval shaped.
Step 3: The cell wall of the acid-fast cells contains carotenoid pigments, which give the cells a red or pink color.
Step 4: These bacteria are resistant to certain acids and detergents due to the presence of lipids and proteins in their cell wall.
Step 5: In conclusion, acid-fast cells are usually rod-shaped bacteria, with a red or pink color due to the carotenoid pigments in their cell walls. They are resistant to certain acids and detergents due to the lipids and proteins in their cell walls.
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Frederick Griffith made a scientific discovery in 1928. which best describes the knowledge about genetics before 1928?
Answers
Answer:
Scientists did not know how traits were inherited.
Explanation:
Two chromatids form a chromosome.
Which of the following is sticky and
connects the chromatids?
A. centromere
C. nucleus
B. vacuole
D. cell wall
Answers
Answer:
The answer would be A. Centromere
When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed. Explain WHY this is a positive feedback loop.
Answers
Answer:
See the answer below
Explanation:
The process of blood clotting is a positive feedback loop because it is a process that needs to go into completion, unlike in negative feedback loops in which the initial status quo (the setpoint) needs to be returned to.
In positive feedback loops, when the system senses a change from normal, the control center increases this change until the initial process that triggered the change goes to completion.
The bleeding in a cut skin needs to be stopped, hence, the control center will signal the effector to keep releasing hormones for more platelets to be formed until the bleeding subsides. Hence, the process is a positive feedback loop.
Plants play a crucial role in the carbon cycle because they do not release carbon dioxide during cellular respiration allow carbon to enter an ecosystem via photosynthesis have special bacteria that live in their root systems are chemically converted into fossil fuels when burned
Answers
Answer:
Allow carbon to enter an ecosystem through photosynthesis
Explanation:
Though plants are known to sustain life through the process of photosynthesis. In this process plants simply takes in carbon dioxide and releases oxygen.
However, this is a type of process is considered to be active during the day, while at night plants absorb oxygen and release carbon dioxide
Hence, Plants play a crucial role in the carbon cycle because they "Allow carbon to enter an ecosystem through photosynthesis."
in pea plants, p is a dominant allele that confers purple flower color and p is a recessive allele that confers white flowers. if the function of the flower-color gene is to make purple pigment, how do you explain the white phenotype?
Answers
When a pea plant inherits two copies of the recessive allele (pp), it is unable to produce the functional enzyme needed for the production of the purple pigment, resulting in the white phenotype. The white phenotype indicates that no pigment is produced by the flower-color gene, rather than a different pigment being produced.
The white phenotype in pea plants occurs when an individual inherits two copies of the recessive allele for flower color (pp) from its parents. In this case, the individual does not produce the purple pigment that is typically associated with the dominant allele (P).
This is because the recessive allele does not produce a functional protein that is necessary for the production of purple pigment.
In pea plants, the flower-color gene is responsible for encoding an enzyme that is involved in the synthesis of the purple pigment. The dominant allele (P) produces a functional version of this enzyme, which allows for the production of the purple pigment.
However, the recessive allele (p) produces a non-functional version of the enzyme, which is unable to produce the purple pigment.
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