Answers
Answer:
anything
Explanation:
Related Questions
All tissues within a plant are capable of photosynthesis as all plant cells contain
chloroplasts.
True
False
Answers
From Earth, Star Y appears to be the brightest while Star X and Star Z appear to be similar in brightness. Which list orders the stars from closest to farthest from Earth?
Star X Star Y, Star Z
Star X, Star Z. Star Y
Star Y. Star X, Star Z
Star Y, Star Z, Star X
Answers
Answer:A
Explanation:
The order of stars from closest to farthest from Earth is as follows:
Star Y, Star Z, Star X.Thus, the correct option for this question is D.
What is Star?Star may be characterized as a huge ball of blazing gases in space that is typically observed from the earth as a point of light in the sky at night. It is a type of astronomical object.
As we relate the brightness of a star with respect to the distance, it is found that the closer a star is, the brighter it will appear in the sky. So, a Star Y is the brightest, it will closer to the earth. With this sense of knowledge, options 1 and 2 are eliminated.
Star X is larger than star Z, so, star Z is found to be closer than Star X. With this, option 3 is also eliminated.
Therefore, the correct option for this question is D.
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An ecosystem is defined by the
O organisms living in a particular area
O climate of the region
O community and physical aspects of the area
O pioneet species that occup the area
Answers
Answer:
organisms living in a particular area
Which of the following statements correctly describes some aspect of ATP hydrolysis being used to drive the active transport of an ion into the cell against the ion's concentration gradient? (see book section: Concept 8.2: The free-energy change of a reaction tells us whether or not the reaction occurs spontaneously and see book section: Concept 8.3: ATP powers cellular work by coupling exergonic reactions to endergonic reactions)
A) The hydrolysis of ATP is endergonic, and the active transport is exergonic.
B) This is an example of energy coupling.
C) Both ATP hydrolysis and active transport are spontaneous because they result in an increase in entropy of the system.
D) Neither ATP hydrolysis nor active transport is spontaneous.
E) ATP is acting as a transport protein to facilitate the movement of the ion across the plasma membrane.
Answers
Answer:
B) This is an example of energy coupling
Explanation:
Energy coupling is a process by which cells carry out thermodynamically unfavorable, endergonic (energy-requiring) reactions to other exergonic (reactions that liberate free energy) reactions.
Reactions which are endergonic do not occur spontaneously as they result in a decrease in entropy and a positive free energy change, ∆G.
Exergonic reactions occur spontaneously as they result in an increase in entropy and have a negative free energy change, ∆G.
For example, the active transport of ions against their concentration gradients in cells is a non-spontaneous endergonic process which is coupled to the hydrolysis of ATP, an exergonic process in other for the reaction to proceed. ATP hydrolysis phosphorylates an amino acid side chain in the transport protein which then drives the forward process of transport of the ion.
Considering the above,
Option A: The hydrolysis of ATP is endergonic, and the active transport is exergonic is false because ATP hydrolysis is exergonic while active transport is endergonic.
Option B: This is an example of energy coupling is true.
Option C: Both ATP hydrolysis and active transport are spontaneous because they result in an increase in entropy of the system is false because only ATP hydrolysis is spontaneous
Option D: Neither ATP hydrolysis nor active transport is spontaneous is false because ATP hydrolysis is spontaneous.
Option E: ATP is acting as a transport protein to facilitate the movement of the ion across the plasma membrane is false because ATP is not a protein, rather it serves to activate the transport protein by phosphorylating it.
what happens when rain water hits sand
Answers
Answer:
it seapes through the water
Answer:
When rain falls to the ground, the water does not stop moving. Some of it flows along the land surface to streams or lakes, some is used by plants, some evaporates and returns to the atmosphere, and some seeps into the ground. Water seeps into the ground much like a glass of water poured onto a pile of sand.
What could or should Mark have handled differently? Give specific examples.
Answers
The axial skeleton is composed of the cranium, vertebrae column, ribs, sternum,
clavicle and scapula.
O True
O False
Answers
Answer:
False
Explanation:
The Axial skeleton is composed of the cranium, ossicles of the middle ear, rib cage, and vertebral column. The Clavicle and scapula are parts of the appendicular skeleton.
The axial skeleton includes the bones that form the skull, laryngeal skeleton, vertebral column, and thoracic cage. The bones of the appendicular skeleton (the limbs and girdles) “append” to the axial skeleton.
the scatterplot shows a correlation between height and weight for adults participating in a study. Which graph shows the line of best fit for the data set
Answers
A scatter plot is used to display a correlation between two continuous variables, as shown in the given problem. A line of best fit is a straight line that passes through most of the data points in a scatter plot, indicating the direction and strength of the relationship between the two variables.
In order to determine the line of best fit in a scatter plot, one needs to draw a line that best represents the overall pattern of the data points. To illustrate, one might consider the following three graphs:In the first graph, the line of best fit is relatively flat, indicating a weak correlation between the two variables. This means that weight does not increase or decrease in direct proportion to height, but rather varies more independently.In the second graph, the line of best fit is more diagonal, indicating a stronger correlation between height and weight.
This means that as height increases, weight also tends to increase, although the relationship is not necessarily linear.In the third graph, the line of best fit is steep, indicating a very strong correlation between the two variables. This means that as height increases, weight tends to increase at a faster rate.
The answer to the given question would depend on the slope of the line of best fit in the scatter plot provided. However, it is not possible to determine this without the scatter plot itself. In this case, the line of best fit would be a good predictor of weight given height.
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Answer: it’s b
Explanation: the one starting from 130 and going up
PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
Answers
Answer:
\(\boxed {\boxed {\sf C. \ Chemical, \ because \ a \ new \ gas \ formed}}\)
Explanation:
Remember that a physical change only changes the appearance, while a chemical change creates completely new substances. Also, note that there are 5 main signs of a chemical change:
Color change Temperature change Odor/smell productionBubbles/gas form Precipitate/new solid formsIn this experiment, acid was added to a piece of metal. Bubbles formed and the metal turned black. Therefore, 2 signs of a chemical change occurred. The metal changed colors and a gas was formed, signified by the bubbles. So, the best answer choice is C: A chemical change because a new gas was formed.
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
Answers
Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
........................................................
Answers
Answer:
It means that unavoided modification has accumulated on the original version.
Explanation:
When an engineer at a transmission station reports receiving noise, it means that they have detected unwanted and disruptive signals or interference in the transmission system. This noise can manifest as electrical disturbances, random signals, or other forms of electromagnetic interference that disrupt the quality and clarity of the transmitted information or data.
Receiving noise in a transmission system can have various causes, including environmental factors, electrical equipment malfunctions, electromagnetic interference from nearby sources, or signal degradation during transmission. It is essential for the engineer to identify and address the source of the noise to ensure the integrity and reliability of the transmitted signals. This may involve troubleshooting the equipment, adjusting signal filters, implementing shielding measures, or improving the overall transmission system design to minimize noise and maintain signal quality.
So, I think the bottom left is the right one.
Household bleach has a pH between 12 and 13. From this information, which of the following best describes the bleach solution?
Answers
If you leave some uranium-235 lying around, it will radioactively decay into lead-207. The half-life for this decay is 704 million years. If we measure the uranium-235 in the oldest rocks on Earth and find that 1/64th of the expected amount is present, we can calculate a minimum age for the Earth. First figure out how many half-lives would have passed to account for 1/64 being left. Then use this number to calculate the age of the rock (and the Earth).
Answers
Answer:
To calculate the minimum age of the Earth, we can use the fact that the amount of uranium-235 remaining after a certain number of half-lives is given by the equation:
N = N0 * (1/2)^n
where N is the current amount of uranium-235, N0 is the initial amount of uranium-235, and n is the number of half-lives that have passed.
If we assume that the initial amount of uranium-235 in the oldest rocks on Earth was N0, and that 1/64th of the expected amount is present, then the current amount of uranium-235 is:
N = N0 * (1/64)
We can set this equal to the amount of uranium-235 that would remain after n half-lives:
N = N0 * (1/2)^n
N0 * (1/64) = N0 * (1/2)^n
Dividing both sides by N0 gives:
1/64 = (1/2)^n
To solve for n, we can take the logarithm of both sides of the equation:
log(1/64) = log((1/2)^n)
Using the logarithmic property that log(a^b) = b*log(a), we can simplify the right side of the equation:
log(1/64) = n*log(1/2)
Dividing both sides by log(1/2) gives:
n = log(1/64) / log(1/2)
n ≈ 6
Therefore, 6 half-lives have passed since the initial amount of uranium-235 was present in the oldest rocks on Earth.
The age of the Earth can be calculated by multiplying the number of half-lives by the half-life time:
Age of the Earth = n * half-life time
Age of the Earth = 6 * 704 million years
Age of the Earth ≈ 4.2 billion years
Therefore, the minimum age of the Earth is approximately 4.2 billion years.
The inheritance pattern of a recessive maternal effect gene in Drosophila. In maternal effect, the offspring’s phenotype is under the control of nuclear gene products present in the mother's egg. In this example, the presence of the a + allele in the mother is required for proper wing development in the offspring. In the pedigree, individuals who are wingless are indicated by a shaded symbol. The phenotypes and genotypes are only provided for the first generation (individuals 1 and 2).What are all the possible genotypes for individual 1's mother?
1. mom-a/a dad-a+/a
2. offspring: a+/a or a/a
1. a +/a +
2. a +/a
3. a/a
Answers
Answer:
m,m
Explanation:
Based on the dolphins, (mammals of the ocean), why
is it recommended that women who are going to
become pregnant, are pregnant, are nursing and/or
young children, not eat seafood and shellfish in large
quantities or more than 1x per week?
Answers
Answer:
Raw shellfish may be contaminated with harmful bacteria and viruses, and therefore carries a higher risk of food poisoning.
Explanation:
You’re naturally more susceptible to food poisoning during pregnancy because of changes to your metabolism and circulation, and as well as being unpleasant for you, food poisoning can increase the risk of premature delivery and infections in your baby
2. How does zygote develop into an embryo inside the mother's womb?
(a) The cells in zygote fuse with gametes to form embryo.
(b) The cells in zygote multiply in number to form embryo.
(c) The cells in zygote fuse with each other to form embryo.
(d) The cells in zygote reorganize themselves to form embryo.
Answers
Answer:
(b) The cells in zygote multiply in number to form embryo.
Explanation:
Explain the purpose of hunting seasons.
Answers
Answer:
Hunting seasons is the time when it is legal to hunt and kill a particular specie of animal. When the season begins is called open season and each state creates laws and codes governing the season dates and species. Season dates are often timed to occur when the populations is at its maximum. It avoids the peak breeding period when members of a species are particularly vulnerable, and avoids any disruption to mating.
Explanation:
Kant's famous First Formulation of the Categorical Imperative reads:Act only according to that maxim whereby you can at the same time will that it should become a universal law. Kant taught morality as a matter of following maxims of living that reflect absolute laws. "Universal" is a term that allows for no exceptions, and what is universal applies always and everywhere.Lying, for any reason, is universally wrong. Be sure to listen to Kant's audio lecture before posting this week! So, consider the famous case of the Crazed Murderer. In your town the Crazed Murderer comes to your door looking for your friend and wanting to kill him.You know that your friend went home to hide. What do you tell the murderer? When he leaves and runs up the street to your friend's house, what do you do?
Answers
Answer:
Universal laws are the ethics that guide the behavior of humankind. These laws are universally accepted by all humans and are followed by them in their daily lives. Law of attraction, the law of vibration, is some of the examples of universal law.
Explanation:
Kant believed that telling a lie is wrong, and murdering a human is a crime. All humans should follow these two principles. Keeping in mind the words of Kant, in the given situation, I will not tell the murderer about the exact location of my friend. I will not remain silent also because that crazy man could kill me too. Instead of telling him the right directions, I will tell him the wrong directions and will send him to the wrong place so that he would not harm my friend and me. Though telling a lie is wrong but saving two lives will be more important to me in this situation.
As soon as the murderer leaves, I will call the police and will tell them the direction in which the murderer has gone. This will save me as well as my friend's life, and the murderer will also get punishment for his sin.
Hope this helps!!
What is the organelle in plats that captures sunlight?
Answers
Answer:
Chloroplasts
Explanation:
It captures the sunlight and converts it
1. choose three different parts of brain? How each of these three parts of your barin
Answers
Answer: I don’t understand your question
Explanation:
Dynamic cell seeding allows higher cell seeding efficacy to engineered 3D scaffolds therefore it is mostly preffered by the scientists. Fibroblasts tend to attach on the silicone tube wall but this stiuation is not appropriate for reching maximum cell seeding efficacy on a scaffold. Preventing cells for not to attach on silicone tube, applied force on a single fibroblast should exceed 6500 picoNewton (required minimum force). In the designed cell culture dynamic fibroblast seeding experiment, silicone tube inner diameter is 3.8 mm and fibroblasts surface area is 450 μm2. Please calculate the minimum flow rate as liter per minute of the fibroblasts included cell culture media through silicone tube to prevent fibroblasts adhesion on silicone tubes.
Answers
The minimum flow rate as liter per minute of the fibroblasts included cell culture media through silicone tube to prevent fibroblasts adhesion on silicone tubes is 769.210527 L/min.
What is the minimum flow rate about?To calculate the minimum flow rate of the fibroblasts-included cell culture media through the silicone tube, we have to use the following equation:
Flow rate (L/min) = (Force (pN) * Surface area (μm^2)) / (Viscosity * Inner diameter (mm))
In this case, the force applied on a single fibroblast should exceed 6500 picoNewtons, the surface area of the fibroblasts is 450 μm2, the viscosity of the cell culture media is typically around 0.5-1.5, and the inner diameter of the silicone tube is 3.8 mm. Plugging these values into the equation gives us:
Flow rate (L/min) = (6500 pN * 450 μm^2) / (1.0 * 3.8 mm)
= (2925000 pNμm^2) / (1.0 Pas * 3.8 mm)
= 769210.527 pNμm^2 / (Pas * mm)
= 769.210527 L/min
So the minimum flow rate of the fibroblasts-included cell culture media through the silicone tube to prevent fibroblast adhesion would be around 769.210527 L/min.
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Which of the following abiotic factors has the greatest influence on the population of deer that lives herds? Explain. Predatory animals Minerals found in the soil Temperature Bacterial infections
Answers
Option C: Temperature is the abiotic factor that has the greatest influence on the populations of the deer that live in the herd.
A deer population in an ecosystem is majorly influenced by the factors like climate, habitat, predators and availability of food. While temperature is the abiotic factor that may influence deer population for a herd.
Abiotic factors are the nonliving components of the environment that influence living beings and the ecosystem. Soil, water, sunlight, oxygen and temperature are the major abiotic factors that can influence the biotic components of an ecosystem.
Deer are highly valued and unique members of a wildlife heritage. They have been contributing to the benefit of the human population for much longer. Hence, they are trying to preserve a landscape by applying strategies to save them and provide an appropriate environment to the deer populations.
Out of the factors that influence deer populations, temperature is the only abiotic factor given in the question. Hence, option C is the correct answer.
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how do Euglena reproduce?
Answers
Which of the
following is an example of a hydrogen bond?
a. The pentide bond between amino acids in a protein
b. The bond between an oxygen atom and a hydrogen in the carboxyl group of a fatty acid
c. The bond between Na* and Cl' in salt
d. The attraction between a hydrogen of one water molecule and the oxygen of another
water molecule
Answers
Answer: a
Explanation:
The translucent material between the matches and the flame is aerogel which is a synthetic material that is generally an excellent insulator. How was is most likely produced?
Answers
Answer:
Explanation:
Aerogel is a material that is 99.8% air. ... Aerogels are good thermal insulators because they almost nullify two of the three methods of heat transfer – conduction (they are mostly composed of insulating gas) and convection (the microstructure prevents net gas movement).
What enzyme is responsible for joining the nucleotides to synthesize a new complementary strand of DNA:
Answers
During DNA duplication, the enzyme known as DNA polymerase joins nucleotides to create a new complementary strand of DNA.
This procedure is necessary for maintaining the genetic code in living things and for the correct transmission of genetic information from one generation to the next.
DNA polymerase is the enzyme that connects nucleotides to create a new complementary helix of DNA. A crucial enzyme in DNA replication, which is how cells create copies of their DNA, is DNA polymerase.
During DNA replication, DNA polymerase adds nucleotides one by one in a specific sequence in accordance with the base-pairing rules to create a new complementary strand of DNA using one strand of DNA as a template. (A with T, and C with G).
Additionally, DNA polymerase checks for and fixes any mistakes that might emerge during DNA replication to make sure the new DNA strands are exact and faithful duplicates of the original DNA.
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reasons why science teachers think practical sciences is a good thing.
rubric
identify reasons 4 marks
explanation and practical example 16 marks
Answers
Science teachers consider practical sciences to be a valuable component of science education for several reasons:
Hands-on Learning: Practical sciences provide students with the opportunity to engage in hands-on learning experiences. This approach allows students to actively explore and manipulate materials, conduct experiments, and make observations.
Example: In a biology class, students may conduct a dissection of a preserved specimen to study the anatomy and structure of organisms. By physically dissecting and examining the different organs and systems, students gain a tangible understanding of the subject matter.
Application of Theory: Practical sciences enable students to apply theoretical knowledge acquired in the classroom to real-world situations. By engaging in practical activities, students can bridge the gap between abstract concepts and their practical applications, fostering a more comprehensive understanding of scientific principles.
Example: In a chemistry class, students might perform experiments to understand chemical reactions and concepts like stoichiometry. By actually mixing and observing different substances, measuring quantities, and analyzing the results, students can see how theoretical concepts translate into practical applications.
Development of Scientific Skills: Practical sciences help students develop essential scientific skills, such as critical thinking, problem-solving, observation, data analysis, and communication. Through practical activities, students learn to formulate hypotheses, design experiments, collect and analyze data, draw conclusions, and communicate their findings effectively.
Example: In a physics class, students could design and conduct an experiment to investigate the relationship between force and motion. By planning the experiment, taking measurements, analyzing the data, and presenting their findings, students enhance their scientific skills and develop a deeper understanding of physics concepts.
Engagement and Motivation: Practical sciences often increase student engagement and motivation in science education. Hands-on activities provide a more interactive and dynamic learning environment, making science more interesting and accessible to students. It can spark curiosity, promote active participation, and cultivate a sense of wonder and excitement about the natural world.
Example: In an environmental science class, students may visit a local ecosystem to conduct field observations, collect samples, and analyze the data they gather. By immersing themselves in the real environment and actively participating in the scientific process, students are more likely to be motivated and engaged in their learning.
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Does the pharynx of human respiratory system have cartilage and epithelium?
Answers
Answer:
There is no cartilage but there is epithelium
Explanation:
The pharynx of the human respiratory system does not contain cartilage.
The pharynx, part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for air and food. The gorge is made up of several regions, each with its own distinctive features.
The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.
These regions also lack cartilage but are lined with stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.
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for a nuclear factor known as STAT3.
Based on the information in the passage, which protein domain of STAT3 is NOT predicted to play a role in its signaling?
O Nuclear localization domain
O Signal sequence domain
O DNA binding domain
O Protein binding domain
Answers
The protein domain of STAT3, which is not expected to play a role in STAT3 signaling, is the signal sequence domain. Correct answer: letter B.
The signal sequence domain of STAT3 is a protein domain that is not expected to play a role in STAT3 signaling. This domain is located at the amino-terminal end of the protein and is responsible for targeting STAT3 to the endoplasmic reticulum for further post-translational modification.
The signal sequence is a short hydrophobic region of about 20 amino acids that is recognized and bound by the SRP (signal recognition particle) receptor of the endoplasmic reticulum membrane. Once bound, the SRP receptor helps STAT3 to enter the endoplasmic reticulum, where it can be modified, folded, and transported to its eventual destination.
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Question 6 (2.5 points)
Which of the following is an example of a reasoned and persuasive argument regarding an ethical
issue?
a)
Evading taxes is immoral because the government uses taxes to fund social welfare
programs.
b)
Walking barefoot is morally incorrect because feet tend to have an unpleasant odor.
c)
Those that send SPAM email are morally wrong, because the email recipient doesn't enjoy
reading unsolicited advertisements.
d) Excessive sun exposure is unethical because it prematurely ages the appearance of skin.
Answers
The best example of an ethical issue is the statement: 'Evading taxes is immoral because the government uses taxes to fund social welfare programs' option A.
What are ethical issues?Ethical issues are issues which are concerned with proper and acceptable behavior guiding an establishment or a group of people in a society or an organization.
Ethical issues are very prominently debated in the society.
An example of an ethical issue is the paying of taxes or not.
Since the paying of taxes enables the government to carry out various social and welfare projects that citizens enjoy, it is therefore expected of citizens to pay their taxes.
Evading taxes is thus a serious ethical issue.
Based on the proper reasoning and persuasion, the best example of an ethical issue is: Evading taxes is immoral because the government uses taxes to fund social welfare programs' option A.
In conclusion, ethical issues are issues which affect proper behavior and ethics.
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