D. 3'-ATCGAT-5'
: Many recognition sites are inverted repeats.
5'-TAGCTA-3' is an inverted repeat. (The axis of symmetry is marked with an asterisk 3'-ATC*GAT-5'
15. Which of the following could be a substrate for a restriction endonuclease? (Only the 3' to 5' strand is shown.)
A. 3'-ATCCTA-5'
B. 3'-GCGCGC-5'
C. 3'-ATCGTG-5'
D. 3'-ATCGAT-5'
E. 3'-ATATGC-5'
Answers
D. 3'-ATCGAT-5' could be a substrate for a restriction endonuclease because it contains the recognition site 5'-CGATCG-3', which is a palindrome and an inverted repeat.
Restriction endonucleases are enzymes that recognize specific DNA sequences and cleave the DNA at those sites. Many restriction endonucleases recognize palindromic sequences, which are sequences that read the same from both directions. Inverted repeats are a special type of palindrome in which the sequence on one strand is the reverse complement of the sequence on the other strand. When a restriction endonuclease recognizes a palindrome or an inverted repeat, it can cleave the DNA at the center of the recognition site, generating fragments with sticky ends that can be used in molecular cloning and other genetic manipulations.
Restriction endonucleases recognize specific DNA sequences and cleave the DNA at those sites. Some restriction enzymes recognize palindromic sequences, which are sequences that read the same from both directions, while others recognize non-palindromic sequences. When a restriction enzyme recognizes a palindromic sequence, it cleaves the DNA at the center of the recognition site, generating fragments with sticky ends that can be used in molecular cloning and other genetic manipulations. Some restriction enzymes generate blunt ends, which can also be useful in genetic manipulations.
Restriction endonucleases are widely used in molecular biology and genetic engineering. They are used to generate DNA fragments with specific ends for molecular cloning, to map the locations of specific DNA sequences, and to study the structure and function of DNA.
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Related Questions
What does hypothermia do to your immune system
Answers
Answer:
Hypothermia, a condition in which the body's core temperature drops below the normal range, can have several effects on the immune system. The immune system is responsible for protecting the body against infection and disease. When the body is exposed to extreme cold, it may respond by decreasing blood flow to the extremities and other non-essential organs, including the immune system. This can impair the immune system's ability to fight off infections, making the body more vulnerable to illness.
In addition to reducing blood flow, hypothermia can also cause changes in the body's cytokine levels. Cytokines are proteins that play a critical role in regulating the immune response. Research has shown that hypothermia can lead to an increase in pro-inflammatory cytokines, which can contribute to the development of autoimmune disorders and other chronic health conditions.
Furthermore, hypothermia can impair the production and function of white blood cells, which are key components of the immune system. This can further weaken the body's ability to fight off infections and other health problems.
Overall, hypothermia can have significant effects on the immune system, making the body more susceptible to illness and disease. It is important to take precautions to prevent hypothermia, especially in extreme cold weather conditions, to protect overall health and immune function.
Explanation:
from genotype to phenotype phenotype: what does a person with albinism look like? oculocutaneous albinism is a group of conditions that affect coloring (pigmentation) of the skin, hair, and eyes. approximately 1 in 20,000 exhibit this disorder and affected individuals typically have very fair skin and white or light-col-ored hair. long-term sun exposure greatly increases the risk of skin damage and skin cancers, including an aggressive form of skin cancer called melanoma. albinism also reduces pigmentation of the colored part of the eye known as the iris and the light-sensitive tissue at the back of the eye called the retina. people with this condition usually have vision problems such as reduced sharpness, rapid, involuntary eye movements (nystagmus), and increased sensitivity to light (photophobia). melanin is an extremely impor- rame malacle to humane for many rensons one being its ability to protect
Answers
Genotype refers to the genetic makeup of an individual, while Phenotype is the physical manifestation of that genetic makeup.
What is albinism? Oculocutaneous albinism is a group of genetic disorders characterized by a lack of melanin pigment in the eyes, skin, and hair. Albinism is caused by mutations in any of several genes involved in the production of melanin pigment in specialized cells called melanocytes.
The phenotype of a person with albinism is characterized by very fair skin and white or light-colored hair. Long-term sun exposure greatly increases the risk of skin damage and skin cancers, including an aggressive form of skin cancer called melanoma. Albinism also reduces pigmentation of the colored part of the eye known as the iris and the light-sensitive tissue at the back of the eye called the retina.
People with albinism usually have vision problems such as reduced sharpness, rapid, involuntary eye movements (nystagmus), and increased sensitivity to light (photophobia). Melanin is an extremely important molecule to humans for many reasons, one of which is its ability to protect the skin from the harmful effects of ultraviolet (UV) radiation from the sun.
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22. According to the following picture, if the middle dashed line represents a phospholipid bilayer in which the red solute may not pass, in which direction will the net amount of water flow? a to the left b to the right C neither d both
Answers
Answer:
D) Both
Explanation:
If the liquid cannot pass through the present phospholipid bilayer it must travel elsewhere left or right.
which of the following conditions does not impact the supply of
watermelons
Answers
The condition that does not impact the supply of watermelons is the "demand for other fruits." The supply of watermelons is determined by factors specific to watermelon production, and not by the demand for other fruits.
The condition that does not impact the supply of watermelons is "demand for other fruits."
The supply of watermelons is determined by various factors, such as weather conditions, production costs, availability of resources, and market demand. However, the demand for other fruits does not directly affect the supply of watermelons.
To understand this better, let's break it down step-by-step:
1. Supply and demand: The supply of a product refers to the quantity of that product available in the market at a given time, while demand refers to the quantity of the product that consumers are willing and able to purchase at a specific price.
2. Factors affecting supply: Factors such as weather conditions (such as drought or heavy rain), production costs (such as labor, seeds, fertilizers), and availability of resources (such as land, water) can impact the supply of watermelons. For example, if there is a drought, watermelon crops may fail, resulting in a decrease in supply.
3. Demand for other fruits: While the demand for other fruits, such as apples or oranges, can impact their supply, it does not directly affect the supply of watermelons. Each fruit has its own market dynamics and factors that influence its supply.
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PLEASE HELP I HAVE BEEN TRYING TO FIGURE THIS OUT A certain plant can have two flower color options: yellow or orange. A geneticist is looking to create a true-breeding yellow folowered plant. When he self pollinates the plant he believes to be true-breeding it results in 50% yellow folwered offspring and 50% orange flowered offspring. Do these results support or refute his belief that his plant is true breeding? Why or why not?
Answers
True-breeding plants are those that produce offspring with the same traits as the parent plant when they self-pollinate or are cross-pollinated with another true-breeding plant with the same traits. If the geneticist's yellow flowered plant was true-breeding, all of its offspring should also have yellow flowers.
However, the geneticist's self-pollination experiment resulted in offspring with both yellow and orange flowers, indicating that the yellow flowered parent plant was not true-breeding. If the parent plant was heterozygous for flower color (i.e. carried one dominant and one recessive allele), the observed 1:1 ratio of yellow and orange flowered offspring would be expected. This suggests that the parent plant was not true-breeding and instead carried a dominant allele for yellow flowers and a recessive allele for orange flowers.
Therefore, the results of the experiment refute the geneticist's belief that his plant is true-breeding, and suggest that the plant is heterozygous for flower color.
Orientation: muscle perpendicular to body midline
Answers
The transverse muscle is perpendicular to the body midline.
The deepest of the six abdominal muscles is the transversus abdominis (TrA). It wraps around the trunk from front to back, located between the ribs and the pelvis. This muscle's fibers run horizontally, comparable to a back support belt.
The transversus abdominis supports the core and raises intra-abdominal pressure, assisting in forced expiration, urine production, and feces. This muscle is also capable of producing ipsilateral trunk rotation. The abdominal catch-in and side plank are two exercises to strengthen the transversus abdominis.
The transversus abdominis motor is one of the flat sections that make up the anterior abdominal wall. It is named for the direction of its muscle fibers. It runs from the internal longitudinal muscle to the anterior aponeurosis.
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Complete question:
what muscle is perpendicular to the body midline?
Please help will give brainliest
Answers
Answer:
b asexual
Explanation:
Asexuality is the lack of sexual attraction to others, or low or absent interest in or desire for sexual activity. It may be considered a sexual orientation or the lack thereof. It may also be categorized more widely to include a broad spectrum of asexual sub-identities.And only involved with one parent
What is the complimentary DNA strand to this template?
ACTCAAGAC
Answers
Answer:
The answer would be c
Explanation:
ACTCAAGAC
TGAGTTCAG
they compliment one another
Answer: c. TGAGTTCTG
Explanation: Adenine only bonds with thymine and cytosine only bonds with guanine
Which of the following best describes the role of TAP?A. They bind to class II molecules to help block the antigen-binding siteB. They bind to class I proteins in proteasomesC. They transport peptides into the lumen of the endoplasmic reticulumD. They help cleave peptides for transport to the endosomes
Answers
The correct answer is C. TAP (Transporter associated with Antigen Processing) is responsible for transporting peptides into the lumen of the endoplasmic reticulum.
In the supporting explanation, TAP plays a crucial role in the immune system's antigen presentation pathway. It is a transmembrane protein complex located in the endoplasmic reticulum (ER) membrane. TAP functions to transport peptides, generated by the proteasome degradation of intracellular proteins, from the cytosol into the lumen of the ER.
By transporting peptides into the ER lumen, TAP enables the binding of these peptides to class I major histocompatibility complex (MHC) molecules. The loaded MHC class I molecules then present the antigenic peptides on the cell surface for recognition by cytotoxic T cells, triggering an immune response against infected or abnormal cells.
Therefore, TAP's primary role is to transport peptides from the cytosol into the lumen of the endoplasmic reticulum, facilitating the presentation of antigenic peptides by MHC class I molecules and their subsequent recognition by immune cells.
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Why are golgi bodies found in large numbers in the cells which secrete digestive enzymes?
Answers
Answer:
Golgi bodies are found in large numbers in the cells which secrete digestive enzymes because they are responsible for the production of those enzymes.
Explanation:
All secretory cells have a large number of Golgi bodies present in them because Golgi bodies help in the transport of these substances to the target areas and in some cases even help in the formation of the substances of the secretory cells, for example- digestive enzymes.
In plant cells, Golgi bodies secrete polysaccharides and pectin which help in the formation of the plant cell wall.
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Answer: For protein modification and maintaining cellular homeostasis
Explanation:
For protein modification: Digestive enzymes are usually synthesized as inactive precursor molecules (zymogens) within the cell.Maintaining cellular homeostasis: The Golgi apparatus helps maintain cellular homeostasis by regulating the transport and secretion of digestive enzymes.
Overall, the abundance of Golgi bodies in cells that secrete digestive enzymes reflects their critical role in the processing, packaging, and secretion of these enzymes.
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Choose the statement that is most likely made by an environmentalist rather than by an environmental scientist."On average, 52 animal species move one step closer to extinction each year because of overpopulation and habitat destruction.""Citizens must take matters into their own hands and start having fewer children to reduce the world’s population, starting now.""Human population growth is a current environmental issue, as is climate change.""When the number of existing humans exceeds the carrying capacity of the planet, we have reached the state of overpopulation."
Answers
The statement most likely made by an environmentalist rather than by an environmental scientist is (B) "Citizens must take matters into their own hands and start having fewer children to reduce the world’s population, starting now."
This statement advocates for a specific course of action and reflects a personal opinion or a call for action, which is typical for an environmentalist. Environmentalists are often concerned with promoting environmental conservation and sustainable living, and they may make recommendations based on their beliefs.
On the other hand, environmental scientists study the natural environment and the effects of human activities on it. They focus on collecting and analyzing data to better understand environmental issues and may present their findings in a more objective and neutral manner.
The other statements provided reflect more objective observations or analyses of environmental issues, such as population growth, climate change, and species extinction, which are more in line with the role of an environmental scientist. These statements focus on presenting facts or concepts without making specific recommendations for action or expressing personal opinions.
Therefore, (B) is the correct answer.
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Which of the following normally occurs regardless of whether or not oxygen (O2) is present?
A. citric acid cycle
B. fermentation
C. glycolysis
D. oxidative phosphorylation (chemiosmosis)
Answers
Glycolysis occurs regardless of whether or not oxygen (O2) is present. It is a metabolic pathway that breaks down glucose into pyruvate, generating small amounts of ATP.
Glycolysis is the first step in cellular respiration, a process by which cells extract energy from food. Cellular respiration is the process that occurs in living organisms to produce energy. It involves the oxidation of organic compounds to produce ATP. There are three stages of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation.
Glycolysis occurs in the cytosol of the cell and is the first step of cellular respiration. The process breaks down glucose into pyruvate, which can then enter the citric acid cycle to generate more ATP.
Glycolysis is an anaerobic process, meaning it does not require oxygen. It occurs regardless of whether or not oxygen (O2) is present. Glycolysis is an ancient metabolic pathway that occurs in all living organisms. It is an essential part of the energy metabolism of cells.
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Bio Trad Bench 1 Jackson MS 2021-2022
Section 1
2 of 302 of 30 Items
Item 2
A scientist performs an experiment where part of a viral sample is placed in a nutrient solution with bacteria and the other part in a nutrient solution without bacteria. Over the next two days, each solution is analyzed every two hours to measure the total amount of viral DNA.
Does the data support that the virus is a living thing?
Yes. The total amount of viral DNA increases or stays the same in both samples.
Yes. The total amount of viral DNA increases or stays the same in both samples.
Yes. The total amount of viral DNA increases when there is a source of nutrients.
Yes. The total amount of viral DNA increases when there is a source of nutrients.
No. The total amount of viral DNA with bacteria never shows a decrease in concentration.
No. The total amount of viral DNA with bacteria never shows a decrease in concentration.
No. The total amount of viral DNA only increases in the presence of another living thing.
No. The total amount of viral DNA only increases in the presence of another living thing.
Answers
Which animal will have more biotic potential. A rabbit who gives birth in 4 months or an elephant who gives birth in 18 months? Why?
Answers
Answer:
I suppose that a rabbbit who gives birth in 4 months sounds correct.
Explanation:
Biotic potential is described by the unrestricted growth of populations resulting in the maximum growth of that population. Biotic potential is the highest possible vital index of a species; therefore, when the species has its highest birthrate and lowest mortality rate. So the rabbit giving birth in 4 months has better Biotic Potential because it has a more higher rate in population compared to the elephant.
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Which of the following can evolve (according to thebiological definition of evolution)?A. a group of fir trees in OregonB. Earth’s climateC. a single fly as it develops from larva to adultD. a fossilized turtleE. you throughout your lifetime
Answers
Remember that by definition biological evolution is the set of changes in phenotypic and genetic characteristics of biological populations through generations. Note that evolution occurs within populations, not within a single individual. So we can conclude that the correct answer is:
Answer:A group of fir trees in Oregon
An albino man marries a normally-pigmented woman who had an albino mother. What is the probability that they will have pigmented children?
Answers
Answer:
its about %5 more than it usualy is with is 1%
Explanation:
do the math if you dont belives me br
what orgamisim will develop pharyngeal arches
Answers
The first, most anterior pharyngeal arch gives rise to the oral jaw. The second arch becomes the hyoid and jaw support. In fish, the other posterior arches contribute to the branchial skeleton, which support the gills; in tetrapods the anterior arches develop into components of the ear, tonsils, and thymus.
The substance represented by the scissors shown cutting the DNA is
1. Enzyme
2. A starch molecule
3. A carbohydrates
4. A far molecule
Answers
Answer:
1
Explanation:
endonuclease are such enzymes that cut the DNA molecule
The substance represented by the scissors shown cutting the DNA is an enzyme.
What is a simple definition of an enzyme?An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.
What is an enzyme example?Amylase is found in saliva. Maltase – also found in saliva; breaks the sugar maltose into glucose. Maltose is found in foods such as potatoes, pasta, and beer. Trypsin – found in the small intestine, breaks proteins down into amino acids.
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What biometrics are measured to determine growth in a forest?
Answers
Answer:
In forestry, it encompasses the determination of dimensions, form, weight, growth, volume, health and age of trees, individually or collectively.
1. Glaciers are melting at an alarming rate. As they melt, rock is exposed. What process will follow?
A. Primary Succession
B. Secondary Succession
2. A hurricane hits the gulf coast destroyed a portion of the ecosystem. what process will take place following this event?
A. Primary Succession
B. Secondary Succession
3. A volcanic eruption covers an area with lava,which cools to form rock. what process would need to take place?
A. Primary Succession
B. Secondary Succession
help me please help me please
Answers
Defects in which of the following cellular processes may contribute to an increased incidence of cancer?A. nucleotide-excision repairB. mismatch repairC. base-excision repairD. A, B, and CE. none of the above
Answers
Defects in cellular processes such as nucleotide-excision repair (A), mismatch repair (B), and base-excision repair (C) can contribute to an increased incidence of cancer. The correct answer is D, "A, B, and C."
These repair mechanisms play critical roles in maintaining the integrity of the DNA and ensuring accurate replication and repair of DNA damage. When these repair processes are impaired or defective, DNA mutations and errors can accumulate, increasing the risk of cancer development.
Nucleotide-excision repair is responsible for removing a wide range of DNA lesions caused by environmental factors such as UV radiation and chemical carcinogens. Defects in this repair pathway can lead to the accumulation of DNA damage, potentially contributing to cancer development.
Mismatch repair is involved in correcting errors that occur during DNA replication, ensuring the accuracy of DNA sequences. Defects in mismatch repair can result in the persistence of mismatched base pairs, increasing the likelihood of DNA mutations and promoting tumor formation.
Base-excision repair is responsible for repairing DNA damage caused by reactive oxygen species and certain chemical modifications. Deficiencies in this repair pathway can lead to the accumulation of DNA damage and genetic alterations associated with cancer.
Therefore, defects in nucleotide-excision repair, mismatch repair, and base-excision repair can all contribute to an increased incidence of cancer. The correct answer is D, "A, B, and C."
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Son cuando los restos orgánicos son cubiertos por el suelo y con el tiempo se degradan dejando espacio en la roca que los confina natural mente
Answers
Answer:
Podrían ser fósiles pero puede que no ...
When testing the effect of light on flowering patterns of plants, temperature would be considered a?
A.independent variable
B. dependent variable
C. constant
Answers
Answer: Independent Variable
Explanation: Already explained this one in another post.
Bio_U06_USA_FY2
Which sequence of events best describes the current theory of the origin of life on Earth?
O RNA formation - DNA formation - Development of simple bacteria
O Development of simple bacteria-DNA formation - RNA formation
DNA formation - RNA formation-Development of simple bacteria
O Development of simple bacteria - RNA formation - DNA formation
Answers
Answer:
RNA formation - DNA formation - Development of simple bacteria
Explanation:
According to the theory of origin of life on Earth, life begin with RNA formation which can copy itself.s
Scientist though that RNA evolved from a chaotic soup of molecules.
RNA was the first molecule in the origin of life on Earth as mode of heredity, it stores and expressed genetic information before DNA formation.
DNA contain and stores the instructions for building living things to form simple bacteria to bumble bees. proteins help to drive the chemical reactions that help to keep cells alive and healthy.
Orange trees planted in a grove or orchard would most likely fall in which category of population distribution?
a.even
b.random
c.clumped
d. density
Answers
Answer:
A) Even
Explanation:
got it right on edge :)
Orange trees planted in a grove or orchard would most likely fall in the even category of population distribution. The correct option is a.
What is population distribution?Population distribution is how the population of something, plants, animals, or humans is distributed in specific areas. It specifies where people live or where they are not living.
There are three types of population distribution:
Uniform dispersion - In this distribution, the population is uniformly or evenly distributed in the areas. Even distribution comes under this distribution.Random dispersion - there are no predictable patterns in this dispersion. They are randomly present anywhere.Clumped dispersion - This distribution shows the bunch or group of population is areas then there is no population, and then there is a a bunch of population in another place.Thus, the correct option is a. even.
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Yolanda is attempting to classify an unknown organism according to characteristics of taxonomic groups. She knows that the organism undergoes photosynthesis. She have no further information about the organism. She concludes that the unknown organism belongs to the Kingdom Plantae. How would you evaluate her conclusion?
a
Her conclusion is valid because plants photosynthesize.
b
Her conclusion is invalid because plants are prokaryotes.
c
Her conclusion is valid because plants have membrane-bound nuclei.
d
Her conclusion is invalid because photosynthesis is not limited to plants.
Answers
D.Her conclusion is invalid because photosynthesis is not limited to plants. While it is true that plants undergo photosynthesis, there are other organisms
also have the ability to carry out photosynthesis, such as algae and some bacteria.
Therefore, the mere fact that an organism undergoes photosynthesis cannot be used to conclude that it belongs to the Kingdom Plantae.
To make a more accurate classification, additional characteristics of the organism would need to be considered. For example, Yolanda could examine the cell structure of the organism to determine if it has cell walls or chloroplasts, which are common features of plant cells. Alternatively, she could examine the reproductive structures of the organism to see if they resemble those of plants. By considering multiple characteristics, Yolanda could make a more informed classification of the unknown organism.
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What are three differences between prokaryotic and eukaryotic cells
Answers
Answer:
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. Differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA.
Describe the functions of the main organs and systems in plants and animals and relate to this their structure 1)vill in the stomach of the digestive system
Answers
Villi are the tiny hair-like projections that line the inside of the small intestine. They contain blood vessels and help absorb nutrients.
These are slender vascular projections that increase the surface area of the membrane.
These project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions.
An astronaut is planning a trip to a newly-discovered planet according to the law of universal gravitation, the astronaut weight in the new planet will be greater than his weight on earth if:
Answers
The new planet has more mass than Earth but the same radius. The mass of the astronaut will be calculated by the use of Newton's gravitational equation. The weight of the astronaut depends completely on its mass and the gravitational acceleration of the planet.
Gravitational acceleration is directly proportional to the mass of the planet and indirectly proportional to the radius of the planet. Hence, when the gravitational acceleration increases the planet's mass will increase therefore the radius will decrease. The astronaut's mass will depend on these factors.
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most mice living on the mainland of florida are brown, but the mice that live on the sand dunes of the barrier islands have white fur. the differences in color are heritable, determined by genes such as
Answers
The differences in fur color between the mainland Florida mice and those living on the sand dunes of the barrier islands are due to heritable traits, determined by specific genes. In this case, the gene responsible for the fur color variation is likely one that affects melanin production or pigment distribution in the fur.
Here is a step-by-step explanation of this heritable variation:
1. There are two populations of mice: mainland Florida mice with brown fur, and barrier island mice with white fur.
2. The fur color is determined by genes that control melanin production or pigment distribution.
3. These genes can be inherited from one generation to the next, leading to the continuation of the fur color trait in each population.
4. Over time, these populations may have adapted to their respective environments, with brown fur providing better camouflage on the mainland and white fur being more advantageous on the sandy dunes of the barrier islands.
5. This adaptation may have contributed to the prevalence of these color variations in the two separate populations of mice.
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