The exocrine portion of the pancreas is composed of pancreatic lobules. pancreatic crypts. pancreatic acini. islets of Langerhans. triads.
Answers
The exocrine portion of the pancreas is composed of pancreatic acini, which are clusters of secretory cells that produce and secrete digestive enzymes into the pancreatic ducts.
The exocrine portion of the pancreas is responsible for the production and secretion of digestive enzymes into the small intestine. It is composed of pancreatic acini, which are clusters of glandular cells that produce and secrete pancreatic juice containing digestive enzymes and bicarbonate.
The pancreatic acini are arranged into lobules, which are separated by connective tissue and contain small ducts that drain into larger ducts leading to the pancreatic duct, which ultimately empties into the duodenum.
The lobules are also surrounded by blood vessels and nerves that regulate the secretion of pancreatic juice.
In addition to the exocrine portion, the pancreas also contains the endocrine portion, which is composed of clusters of hormone-producing cells known as the islets of Langerhans.
These cells produce hormones such as insulin and glucagon that are involved in the regulation of blood glucose levels.
Overall, the exocrine portion of the pancreas plays a critical role in the digestive process by producing and secreting digestive enzymes into the small intestine, while the endocrine portion regulates glucose homeostasis through the production of hormones.
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Related Questions
Scientists have used the eight levels of classification for more than 200 years. When might the system be updated?
Answers
Answer: If new species, studies come to the table and the classification is not compatible with them
Explanation: Like a new animal was discovered but even using the eight levels of classification scientists couldn't figure what the animal was
The system might be updated when new species discovered don't match
any level of classification.
The levels of classification help to differentiate plants and animals through
the presence of specific features or behavior.
When new living things are found and the required feature for classification
doesn't match any of the available levels then the scientists can decide to
include a new one to accommodate the new species discovered and for
subsequent study.
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are there other uses of basagran herbicide other than herbicide
Answers
Answer: established bluegrass, fescue, bentgrass, Bermudagrass, bahiagrass, centipedegrass, zoysiagrass, ryegrass
Explanation:
in a prokaryotic cell most ribosomes are
Answers
Answer:
floating freely in the cytoplasm.
Explanation:
what is meant by the word 'anchorage' in biology?
Answers
the act of anchoring or the state of being anchored IS KNOWN AS ANCHORAGE
plssssss helppppppppppppp
Answers
B
BBBBBBBBBBBBBBBBBBBBBBBBBBBBB
What does this diagram show?
А
Hurricane
land breeze
C
tornado
D
sea breeze
Answers
Answer:
im pretty sure its d sea breeze
Explanation:
Given the quadratic equation 3x2 = 10x + 4, which shows the values of a, b, and c correctly substituted into the quadratic formula?
Answers
Therefore, the correct substitution of a, b, and c into the quadratic formula is x = (b ± √(b² - 4ac)) / 2a.
To use the quadratic formula, we first need to arrange the equation in standard form: 3x2 - 10x - 4 = 0. Then, we can identify that a = 3, b = -10, and c = -4. Substituting these values into the quadratic formula, we get x = (-(-10) ± √((-10)² - 4(3)(-4))) / (2(3)). Simplifying, we have x = (10 ± √100 + 48) / 6. This further simplifies to x = (10 ± √148) / 6. Since 148 is not a perfect square, we can leave the answer in this form or use a calculator to approximate it as x = 1.85 or x = -0.52.
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Which organisms does NOT eat krill? A)seal B)fish C)penguin D)orca
Answers
Answer:
The answer is D
Explanation:
Killer whales do NOT eat krill, they eat squid, fish, penguins, seal, and other whales.
Answer:
D) orca.
Explanation:
They eat seals and other large creatures.
which binomial is a factor of the polynomial? x2 + x - 6
Answers
The binomial (x - 2) is a factor of the polynomial is 20.
To determine if a binomial is a factor of a polynomial, we can use the factor theorem. According to the factor theorem, if a binomial (x - a) is a factor of a polynomial, then substituting a into the polynomial should result in a zero. Since the result is zero, we can conclude that the binomial (x - 2) is indeed a factor of the polynomial.
Further, we can perform polynomial division to confirm this factor. By dividing , we should obtain a quotient polynomial without a remainder. Performing the division, we get. As we can see, the division results in a remainder of zero, indicating that (x - 2) is indeed a factor of the polynomial.
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What happen after you drink mineral water, does it go to kidney and how it get removed
Answers
“It is concluded that mineral water containing calcium and magnesium, such as that used in this study, deserves to be considered as a possible therapeutic or prophylactic agent in calcium oxalate kidney stone disease.”
Source: https://pubmed.ncbi.nlm.nih.gov/9096270/
Answer:
dont know hope it helpsjcjdjc
A condition characterized by white, leathery spots inside the mouth; may develop into oral cancer.
a. True
b. False
Answers
The correct option is True. The condition characterized by white, leathery spots inside the mouth which may develop into oral cancer is called leukoplakia. It is a condition that occurs inside the mouth and causes white or gray, thick patches to appear on the gums, tongue, or inside of the cheek.
Leukoplakia is a condition that occurs inside the mouth and causes white or gray, thick patches to appear on the gums, tongue, or inside of the cheek. It's usually painless but can cause discomfort when eating or brushing your teeth.The condition is most common in people who smoke or use tobacco products. However, it may also occur due to other irritants in the mouth such as rough teeth, ill-fitting dentures, or a habit of chewing on the inside of the cheek. Leukoplakia itself is not cancerous. However, some types of leukoplakia may progress to oral cancer over time. If the patches have a rough or raised surface, this may indicate that they are more likely to become cancerous.Treatment of leukoplakia includes removing the source of irritation, such as quitting smoking or fixing an ill-fitting denture. In some cases, the patches may be removed with surgery or laser therapy. It's important to have any suspicious patches evaluated by a dentist or doctor to rule out oral cancer.To learn more about oral cancer Please visit:
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transformants can be identified among the progeny of crosses between injected flies and white mutants by virtue of their ____________ eyes.
Answers
Transformants can be identified among the progeny of crosses between injected flies and white mutants by virtue of their red eyes.
This is because the injection of foreign DNA into the white mutant fly leads to a genetic transformation that alters the expression of genes involved in eye coloration.
In particular, the injected DNA often contains a gene encoding for a protein that produces red pigment in the eyes, thus resulting in the appearance of red-eyed offspring among the progeny.
This phenomenon is commonly used in genetic research as a means of identifying successful transformations and studying the function of specific genes.
By observing the eye coloration of the progeny, researchers can determine which flies have successfully incorporated the foreign DNA and become transformants.
Overall, the identification of transformants based on eye coloration is a useful tool for genetic research and has contributed significantly to our understanding of the mechanisms underlying genetic transformation and inheritance.
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Select the correct location on the image.
This diagram shows the functions of different enzymes during DNA replication. Which label would change if this process took place in aprokaryotic cell?
Answers
Answer:
DNA ligase
Explanation:
Answer: The nucleus
Explanation: I got it right on the test.
aquatic plant emits bubbles of oxygen when placed under a bright light. The table shows the results of an experiment to show the effect of light intensity on bubble production. Use the data in the table to answer the question.
Oxygen Production
Distance From Light (cm)
Bubbles Produced per Minute
10
39
20
22
30
8
40
5
Distance From Light (cm)
10
20
30
40
Oxygen Production
Bubbles Produced per Minute
39
22
8
5
What conclusion about photosynthesis is supported by the evidence from this experiment? Explain your reasoning.
Answers
more light means more photosynthesis means more oxygen
closer to light the more oxygen is produced
distance from light & oxygen produced is in an inverse relationship which means when one goes up the other goes down
According to the data on the table, when the distance from the light increased, the bubbles produced per minute have decreased. The relationship between the two variables shows an inverse one. This means that if one variable increases, then the other one decreases, and vice-versa. Using this information, we can conclude that when the aquatic plant is placed far from light, it gets less sun exposure. This affects the rate of photosynthesis, including its by-products. When the rate of photosynthesis is slow, the oxygen produced as a waste product is also low.
quizlet
Living and nonliving parts of an environment together are referred to as a(n)______________.
Answers
Answer:
ecosystem
Explanation:
WHY SOME ANIMAL FOND OF EATING ONE PARTICULAR THINGS ?
Answers
Answer:
"There are several hypotheses to explain specialisation: one suggests that animals adapt to eat certain foods and this prevents them from eating other types of food," said Tosh. He added: "For example, cows have evolved flat teeth which allow them to chew grass but they are unable to efficiently process meat.
Two brown-eyed parents have a child. The child has blue eyes.
Which term best describes the allele for the child's blue eyes?
O heterozygous
O homozygous
O dominant
O recessive
Answers
The term that best describes the allele for the child's blue eyes is recessive. Thus, the correct option for this question is D.
What is a Recessive allele?A recessive allele may be defined as a kind of allele that when present on its own will not affect the individual. It will only be expressed in the phenotype if two copies of it are present.
According to the context of this question, the brown eye (B) is dominant over the blue eye (b). The parents have genotypes brown-eyed which means they are heterozygous for brown-eye (Bb) and when they interbreed with each other, they produce a blue eyes child which has a recessive allele of (bb).
Therefore, the term that best describes the allele for the child's blue eyes is recessive. Thus, the correct option for this question is D.
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Explain the role of arterioles in the skin when a person is very cold
Answers
Arterioles play a crucial role in the skin when a person is very cold. Arterioles are the tiny blood vessels that regulate blood flow from the arteries to the capillaries and finally to the veins. When a person is very cold, arterioles in the skin constrict, a process known as vasoconstriction, to prevent heat loss.
This constriction reduces the amount of blood that flows through the skin, reducing the skin's temperature. The skin also appears pale during vasoconstriction since less blood is flowing to the skin's surface. The constriction of arterioles helps to conserve heat and prevent heat loss from the skin.
Conversely, when a person's skin is warmed, the arterioles dilate, a process known as vasodilation, allowing more blood to flow through the skin, increasing the skin's temperature and causing the skin to appear red. The dilatation of arterioles helps to dissipate heat and regulate body temperature.
Thus, the regulation of blood flow through arterioles is crucial in regulating the body temperature and preventing heat loss.
In conclusion, arterioles in the skin play a vital role in regulating body temperature by constricting and dilating to control blood flow through the skin.
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Internal adaptations only apply to animals. Plants do not have internal adaptations.
true or false
pls help
Answers
False
Explanation:
I know and i am in 11th grade
How do stars generate light? Select the BEST answer.
A. Hydrogen fuses into helium generating a great deal of energy
B. The chemicals in the star glow giving off light
C. Chemicals burn to cause the light
Answers
Answer:
A. Hydrogen fuses into helium generating a great deal of energy
Which pairs of polygons are similar? select each correct answer.
Answers
If the respective sides have a constant ratio and the corresponding angles are congruent, two polygons are said to be similar. There will always be similar varieties of triangles, quadrilaterals, and polygons.
For instance, squares and congruent triangles are both similar shapes. We know the lengths of comparable sides are proportional if two polygons resemble one another. When two polygons have corresponding sides that are proportionate and corresponding angles that are congruent, they are said to be similar polygons. In other words, the polygons may be different sizes even though they have the same shape. Since all regular polygons have equal sides and proportionate radii.
(The que is incomplete I answered this que in general according to my knoweledge).
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List three examples of artificial pollutants and three examples of natural pollutants.
Answers
Answer:
Three examples of artificial pollutants are:
Exhaust from vehicles: This type of pollution is caused by the burning of gasoline or diesel in the engines of cars, trucks, and other vehicles. It releases harmful gases and particles into the air, contributing to air pollution.
Industrial waste: Industrial activities such as manufacturing, mining, and power generation can produce large amounts of waste and pollution, including chemicals, heavy metals, and other hazardous materials.
Plastic waste: Single-use plastics such as bags, straws, and bottles can end up in the environment, polluting the land, water, and air. They can also harm wildlife and enter the food chain.
Three examples of natural pollutants are:
Volcanic eruptions: These can release large amounts of ash, gases, and particles into the air, causing air pollution and posing health risks to animals and humans.
Forest fires: Wildfires can release large amounts of smoke and particles into the air, contributing to air pollution and harming wildlife and human health.
Dust storms: These natural events can pick up large amounts of dust and other particles, creating hazardous air conditions and posing health risks to people with respiratory problems.
Explanation:
Answer:
Examples of artificial pollutants:
Sulfur dioxide emitted from power plants
Plastic debris in oceans and waterways
Nitrogen oxide from car exhausts
Examples of natural pollutants:
Volcanic ash and gas emissions
Pollen and mold spores
Forest fires and smoke from burning plant matter.
What is a neuron? What is its job?
Answers
Answer:
Neurons, also known as nerve cells, send and receive signals from your brain.
JOB; Neurons are information messengers. They use electrical impulses and chemical signals to transmit information between different areas of the brain, and between the brain and the rest of the nervous system.
Explanation:
what might happen to modern horses if the climate changed and tropical forests covered the mjority of the earth and theres was not diversity presnt in the genes for tooth modifcations?
Answers
If the climate changes, tropical forests cover the majority of the earth and there is no diversity present in the genes for tooth modifications then modern horses may suffer these environmental changes and become extinct.
What is natural selection?The process of natural selection refers to the differential reproduction of more adapted individuals in an environment, which requires the presence of diversity (genetic variation) to select the highest adaptive organisms.
Therefore, with this data, we can see that natural selection may lead to the extinction of species when there is no variation in presence of environmental change.
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Which of the following is an example of a non contact force
Answers
Answer:
Gravity, Electrostatic force, Magnetic force
Explanation:
A non-contact force is a force that is applied to an object by another object without contact. Gravity, electrostatic force, and magnetic force all don't need two objects to be touching in order for them to work.
On the other hand, an example of a contact force is friction, because it can only occur if two objects are touching. If you want to tell the difference between a contact and non-contact force, just ask yourself if it can occur if the two objects are not touching. If it can occur while two objects aren't touching, it is non-contact, and if it can't, it is contact.
All the options given describe a force that involves contact except for the force exerted by magnets. Thus, the correct option is C.
Magnetic force is the force exerted by magnets. It can be described as the effect exerted on a charged particle due to the magnetic field of the other particle.
It is a consequence of the electromagnetic force, which is caused due to the movement of electrically charged particles.
Two objects that are oppositely charged will have a magnetic force of attraction, whereas two objects that have the same charge will have a magnetic force of repulsion.
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Your question is incomplete. The full question probably might be:
Which of the following is an example of a non-contact force?
(a) The force exerted by us to lift a bucket
(b) push a stationary car
(c) The force exerted by magnets
(d) Force due to friction
Why is the carbon sink in your case study vulnerable to fire?
NEED HELP PLEASE!!!!
Answers
The carbon sink in your case study vulnerable to fire atmospheric carbon would be much higher without carbon sinks and a carbon sink is important because they store carbon and lower the amount of carbon dioxide in the atmosphere.
What is a Carbon sink?A carbon sink has been defined as the thing that has sponges more carbon from the atmosphere than it has been discharged. It includes plants, soil compounds, oceans, etc.
The important function of the carbon sink has to absorb carbon dioxide from the atmosphere and control the levels of carbon dioxide in the atmosphere at manageable levels.
Therefore, The carbon sink in your case study vulnerable to fire atmospheric carbon would be much higher without carbon sinks and a carbon sink is important because they store carbon and lower the amount of carbon dioxide in the atmosphere.
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Describe the Md denture flange in the posterior region of the alveololingual sulcus?
Answers
The MD denture flange in the posterior region of the alveololingual sulcus is a part of the denture that is designed to extend slightly beyond the edge of the gums in the back of the mouth.
The mandibular (Md) denture flange in the posterior region of the alveololingual sulcus can be described as follows:
1. Identify the region: The posterior region refers to the back part of the mandibular denture, which typically includes the area around the molars and premolars.
2. Understand the denture flange: A denture flange is an extension of the denture base that provides stability and support and helps maintain the peripheral seal. In this case, it is referring to the mandibular denture flange.
3. Locate the alveololingual sulcus: The alveololingual sulcus is the space between the alveolar ridge (the bony ridge where the teeth are attached) and the lingual side (the side of the mouth closest to the tongue).
4. Describe the MD denture flange in the specified area: The mandibular denture flange in the posterior region of the alveololingual sulcus is designed to extend into this space, providing stability and support for the denture. It should be carefully adapted to the contours of the alveololingual sulcus to ensure a comfortable fit and proper function of the denture.
The alveololingual sulcus is the area where the gums meet the teeth in the back of the mouth, and the denture flange is designed to fit snugly in this area to help keep the denture securely in place. Overall, the Md denture flange in the posterior region of the alveololingual sulcus is an important feature of a well-designed denture that can help to improve comfort and functionality for the wearer.
In summary, the mandibular denture flange in the posterior region of the alveololingual sulcus is an important component that provides support and stability to the denture by extending into the space between the alveolar ridge and the lingual side of the mouth.
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What is the term for the ability of a muscle to contract repeatedly without becoming exhausted?
a. Muscular endurance
b. Cardiovascular endurance
c. Flexibility
d. Muscular strength
Answers
The term for the ability of a muscle to contract repeatedly without becoming exhausted is "Muscular endurance." So the correct option is A.
Muscular endurance is the ability of a muscle or group of muscles to contract repeatedly over a prolonged period without becoming exhausted. This ability is essential for activities that require repetitive muscular contractions, such as long-distance running, cycling, swimming, and rowing. Muscular endurance is important in maintaining posture and reducing the risk of injury during physical activity. The primary factors that influence muscular endurance are muscle fiber type, muscle mass, and training. Slow-twitch muscle fibers, also known as type I fibers, have a high oxidative capacity and are well suited for endurance activities. In contrast, fast-twitch muscle fibers, also known as type II fibers, are better suited for explosive activities that require short bursts of energy. To improve muscular endurance, individuals should engage in regular aerobic exercise, resistance training, and stretching to maintain flexibility. Proper nutrition and hydration are also critical to support muscular endurance during prolonged physical activity.
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Eukaryotic chromoome tend to be much larger than prokaryotic chromoome. In order to package thee large chromoome into the nucleu, which family of protein are ued by the cell?
Answers
Histone proteins are used by the cell to package the large chromosome into the nucleus.
Histone proteins are the ones that wind the DNA around themselves in order to facilitate its packaging. Together they form a structure called nucleosome. There are 5 types of histone proteins: H1, H2A, H2B, H3 and H4. The H1 is not directly involved in packaging but it is the linker protein. The rest of the proteins also regulate the expression of the genetic material.
Chromosome is the highly compact form of DNA. It is this form of DNA that gets inherited by offspring from parents. The structure of chromosome consists of two sister chromatids joined together at the region called centromere.
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Photosynthesis is a process by which _______ energy is converted to _______ energy.
a) Nuclear to Mechanical energy
b) Chemical to Radiation (light) energy
c) Heat to Electrical energy
d) Solar to Chemical energy
Answers
Answer:
d) Solar to Chemical energy