name the major substances produced by the duodenal walls in response to chyme entering from stomach
Answers
The major substances produced by the duodenal walls in response to chyme entering from the stomach are secretin and cholecystokinin (CCK).
Step 1: Chyme, a mixture of partially digested food and gastric juices, enters the duodenum from the stomach.
Step 2: The presence of chyme in the duodenum triggers the release of secretin and cholecystokinin (CCK) from the duodenal walls.
Step 3: Secretin stimulates the pancreas to release bicarbonate-rich pancreatic juice, which helps neutralize the acidic chyme and create a more alkaline environment in the small intestine.
Step 4: Cholecystokinin (CCK) promotes the release of bile from the gallbladder and digestive enzymes from the pancreas, aiding in the breakdown and absorption of nutrients.
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Related Questions
A student put a half teaspoon of yeast in each of three
different balloons. Then he added a quarter cup of water to each balloon. Each balloon received water of a different temperature: hot, warm, and cold. After adding the water, the student tied off the end of each balloon to seal it shut. The yeast began to produce bubbles of gas inside the balloons. After 20 minutes, the student measured the circumference of each balloon to determine how much it had grown in size.
What is the responding variable in this experiment?
Answers
Answer: I have the same question!
The choices are
A. The temperature of the water balloon
B. The amount of water placed in the balloon
C. The circumference of the balloon
D. The amount of yeast placed in the balloon
I think its D
Your experiment looked at the effect of water temperature on yeast growth.
What is water temperature?The temperature of water is a physical property that expresses how hot or cold it is. Because hot and cold are arbitrary terms, temperature can also be defined as a measurement of a substance's average thermal energy 5. Room temperature (20°C / 68°F) for maximum flavor or chilled cold (6°C / 43°F) for maximum refreshment are the best temperatures for drinking water. A thermistor, a metallic device that undergoes a predictable change in resistance in response to temperature changes, can be used to measure water temperature. This resistance is measured and converted into a temperature in Celsius, Fahrenheit, or Kelvin.
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During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen to form iron oxide. Which statement best describes the mass of the iron oxide that is produced?
The mass is equal to the mass of the iron plus the mass of the oxygen.
The mass is less than the mass of the iron but greater than the mass of the oxygen before reacting.
The mass is greater than the combined mass of both the iron and the oxygen.
The mass is equal to the mass of the iron minus the mass of the oxygen before reacting.
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Scientists use statistics to
- all of the above
- graph data.
- analyze data
communicate ideas to each other.
Answers
That’s what I think
I’ve used stats for all three.
the hypothalamus controls the posterior pituitary by way of __________.
Answers
What is the pathway a piece of bread takes through the digestive system?
Mouth---Oesophagus---Small Intestine---Large Intestine---Anus
Mouth---Large Intestine---Oesophagus---Small Intestine---Anus
Mouth---Oesophagus---Large Intestine---Small Intestine---Anus
Anus---Large Intestine---Oesophagus---Small Intestine---Mouth
What is the name given to the information about the nutrient composition of the food we eat?
Nourishment Facts
Nutramix Facts
Nurture Facts
Nutrition Facts
Answers
Answer:
The pathway is the oesophagus or the gullet. Food is taken in the mouth it passes the oesophagus to the small intestine and to the large intestine ans finally to the anus.
Mouth --- Oesophagus --- Stomach --- Small Intestine --- Large Intestine --- Anus
Regarding the information about the nutrient composition of the food we eat, the correct term is:
Nutrition Facts
This term is commonly used on food labels and packaging to provide information about the nutritional content of the food, including details about calories, macronutrients (such as carbohydrates, proteins, and fats), vitamins, minerals, and other relevant information.
9. Why is the cell cycle important?
Answers
Answer:
The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive. ... Plants require the cell cycle to grow and provide life for every other organism on earth.
pls give me brainless.
Answer:The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive. ... Plants require the cell cycle to grow and provide life for every other organism on earth.
Explanation:
aids, influenza and rabies are all diseases caused by viruses. multiple choice question. dna rna
Answers
Influenza and rabies are both caused by RNA viruses, while AIDS is caused by a retrovirus, which is also an RNA virus but with a unique replication strategy involving the reverse transcription of RNA into DNA.
RNA viruses are those that use RNA as their genetic material, which is converted into proteins by the host cell machinery to produce new virus particles. Influenza is caused by an RNA virus from the family Orthomyxoviridae, while rabies is caused by a single-stranded RNA virus from the family Rhabdoviridae.
AIDS, on the other hand, is caused by the human immunodeficiency virus (HIV), which is a retrovirus that contains RNA as its genetic material. HIV replicates by reverse transcribing its RNA into DNA using the enzyme reverse transcriptase, which is then integrated into the host cell genome, leading to the progressive destruction of immune system cells.
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Full Question: AIDS, influenza and rabies are all diseases caused by ______ viruses.
dna rnaScientists have developed antibiotics that destroy the cell walls of some cells. This medicine works really well on bacteria. Would it work well on viruses?
a . Yes, because viruses and bacteria both make people sick
b . No, because viruses only have plasma membranes
c. Yes, because viruses and bacteria have the same structure
d.No, because viruses are not made up of cells and lack a cell wall
Answers
What effect do predators have on the ecosystem?
Answers
Answer:
Dispersing rich nutrients and seeds from foraging, they influence the structure of ecosystems.
Answer:
They keep prey populations at a managable level.
Explanation:
For example, a wolf pack will hunt deer and kill deer. This killing will make sure there is never too many deer. If there are too many deer, too many plants may be eaten; And then the entire ecosystem can fall apart.
Given the understanding of how evolutionary changes occur, explain what is wrong with this statement, "Early tetrapods were evolving limbs so that they could start to crawl on land and take advantage of terrestrial niches.
Answers
The statement that early tetrapods were evolving limbs to crawl on land is flawed because it implies that tetrapods had a specific goal in mind when evolving.
In reality, evolutionary changes occur through random mutations and natural selection, not as a means to achieve a predetermined outcome.
While it is true that the evolution of limbs may have allowed tetrapods to take advantage of terrestrial niches, this was not the only reason for their development.
Limbs could have also evolved for other reasons such as predator avoidance, hunting, or even sexual selection.
Therefore, it is important to understand that evolution is not a linear process with a predetermined end goal, but rather a complex and constantly evolving process influenced by a variety of factors.
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how is classification of animal related to its adaptational features
Answers
Answer:
it is important because it helps us identify and name all the animals on earth
Answer:
We can classify organisms on the basis of its physical features.
Explanation:
Classification of animal is related to its adaptational features because adaptational features of an organism provides information about the organism to which specific kingdom or phylum the organism belongs. These adaptational features are gained by the organisms due to different environmental as well as climatic conditions the organism have which make changes in the body features of an organism. So we can classify organisms on the basis of its physical features.
The base pairs in a DNA strand are held together with hydrogen bonds. If the two nitrogenous bases in each pair were held together with covalent bonds instead of hydrogen bonds, what effect would it have on the cell?
Answers
Answer:
Explanation:
Complementary base pairing is important because the hydrogen bonds between the bases hold the two strands of DNA together and because it serves as a way for DNA to replicate.
Why is carbon so useful in building organic molecules?
Answers
Answer: Carbon is the basis for the organic molecules that constitute life because it can form multiple strong bonds with itself and with other elements.
Explanation:
I really need help with this I need one more answer
Answers
Answer:
also E
Explanation:
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Which macromolecule is found in the cell wall?
A)
Carbohydrates
B)
Lipids
Proteins
D)
Nucleic Acids
Answers
Because for the cell wall is only for plants in which is made from cellulose. And cellulose fiber are long which it creates glucose and glucose comes from carbohydrates.
I hope this helps
what the difference between tapeworm and earthworm ascaris in the nervous system
Answers
Answer:
Difference between earthworm and Ascaris
Earthworms and Ascaris lumbricoides are both worms, but they have huge differences. ... While both types of worms exist throughout the world, Earthworms are beneficial to the soil, while ascaris is non-beneficial and creates disease in the human body.
Explanation:
Answer:
Main Difference – Roundworm vs Tapeworm
The main difference between roundworms and tapeworm is that roundworm has a cylindrical body tapered to a fine point at each end whereas tapeworm has a dorso-ventrally flattened, tape-like body. Both roundworms and tapeworms are triploblastic animals with bilateral symmetry.
Explanation:
Where can you find most of Earths’s frozen freshwater? I will mark brainiest plz give rig by answer
Answers
Answer:
C. In mountain glaciers
Explanation:
That is all frozen freshwater.
Answer:
In the Southern polar ice cap
Explanation:
1. What are waves?
2. What causes waves
3. Compare and contrast mechanical and electromagnetic waves
Answers
Explain how a mutation that changes the amino acid sequence of the protein hemoglobin affects the protein and results in sickle cell anemia.
Answers
Answer:
sickle cell anemia is caused by a mutation in the hemoglobin beta (or HBB) gene and it leads to a single change in amino acid sequence. this gene is located on chromosome 19
Explanation:
Raina and James run a small running apparel company that is gaining steam with customers. They currently sell their items at a few specialty running stores in town and at two regional locations of Dunahm's Sports, a large sporting goods chain. They have an opportunity to get their products sold in other Dunham's locations, but they've encountered a few stock-outs. They've been told by Dunham's that they won't secure a larger distribution deal until they've sorted out their stock-out problem. Where should Raina and James focus their attention
Answers
Raina and James should focus their attention on resolving the stock-out problem before pursuing a larger distribution deal with Dunham's Sports.
This issue is currently hindering their chances of securing a broader distribution and expanding their market presence. By addressing the stock-out problem, they can demonstrate their reliability and commitment to meeting customer demand, which is crucial for building trust with both retailers and consumers.
Stock-outs occur when a business runs out of inventory for a particular product, resulting in unfulfilled customer orders. This can have negative consequences, including lost sales, dissatisfied customers, and damage to the company's reputation. In the case of Raina and James, the stock-out problem has become a barrier to securing a larger distribution deal with Dunham's Sports.
By addressing the stock-out problem and maintaining consistent product availability, Raina and James can demonstrate their public transportation ability to meet the demands of a larger distribution network. This will increase their chances of securing a broader distribution deal with Dunham's Sports and expanding their market reach, ultimately leading to the growth and success of their running apparel company
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In humans the process of digestion begins in the
Answers
Identify the statements that describe the life and career of andrew jackson
Answers
Jackson was suspicious of banks and paper money and feared that the market revolution was a source of moral decay.
Who was Andrew Jackson?The man Andrew Jackson was the president of the United States of America who ruled the country from 1829 to 1837. Throughout his tenure, his focus was on the betterment of the lot of the common American.
The statement that describe the life and career of Andrew Jackson is that Jackson was suspicious of banks and paper money and feared that the market revolution was a source of moral decay.
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How do feedback mechanisms help maintain homeostasis?
Answers
it involves negative feedback loop
Explanation:
the loop allows living organisms to maintain homeostasis
A 20-year-old man decided to jump into a very cold lake. What is the MOST likely way in which his circulatory system will respond after he jumps into the water?
Answers
A 20-year-old man made the decision to plunge into the icy lake. In order to keep more blood in the warm centre of his body, many of the capillaries in the extremities will close down.
Who presented the hypothesis regarding how cells function?Two scientists, Schleiden (1838) and Schwann, put out the cell idea (1839). The basic unit if life, the cell, is described as being present in all plants and animals. Virchow (1855) added to the cell theory by proposing that all cells originate from pre-existing cells.
Which cell is largest in the world?The largest cells are seen in ostrich eggs. The largest cell is the zebra egg, which is between 15 and 18 centimeters in length in width. Its longest cell type is the nerve cell. The largest cell in the human body is the female ovum.
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please help!!
How do living organisms maintain homeostasis on a cellular level?
Answers
Answer:
Hello
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. A single-celled, or unicellular, organism does everything you would expect a living thing to do.
Answer: for living organisms to maintain homeostasis, unicellular organisms grow, react to the environment, convert energy, and reproduce.
Explanation: A single celled, or unicellular organism does everything you would demand a living thing to do.
Help me please! what is the result and what are the generations you can answer one
Answers
R? = RR rr. R?= Rr
Result: RrYyxRrYy
What is the resistance of a circuit with a voltage of 10 volts (V) and a current of 5 amps (A)? Use Ohm’s law to calculate the resistance.
The resistance of a circuit with a voltage of 10 V and current of 5 A is
ohms.
Answers
Answer: R = 2 ohm
Explanation: Based on the Ohm's law
U = R*I ---> R = U / I
R = 10 / 5
R = 2 ohm
Answer:
Answer : The resistance of a circuit is 2 ohm.
Explanation:
Using Ohm's law :
Or,
where,
R = resistance of a circuit = ?
V = voltage of circuit = 10 volts = 10V
I = current flowing in a circuit = 5 A
Now put all the given values in the above formula, we get the resistance of circuit.
Therefore, the resistance of a circuit is 2 ohm.
In which environment will decomposition occur the fastest?
A. The Arctic Ocean
B. Antarctica
C. The Sahara desert
D. The Amazon Rainforest
Answers
Decomposition will occur the fastest in Amazon rainforest.
What is decomposition?Decomposition is the process of breakdown of dead organic matter with the help of microorganisms like bacteria and fungi.Decomposition is necessary for the recycling of elements back into the ecosystem.The organisms resulting in decomposition are termed as decomposers. These require appropriate environmental conditions for decomposing.At low temperature such as in Antarctica, decomposers are less active thus reducing the rate of decomposition.Decomposers cannot survive in little or no water conditions such as in the Sahara desert. Decomposition increases with the increase in water availability.Decomposers also require oxygen to survive which is not available in deeper parts of the Arctic ocean. Therefore decomposition does not occur in low oxygen environment.With optimum water, temperature and oxygen available, rate of decomposition is also high in the Amazon rainforests.Learn more about decomposition here:
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Food provides molecules that serve as fuel and building material for all organisms. Plants undergo photosynthesis and make their own food. Other organisms, like humans and the horse seen below, are consumers and eat food. How is energy released from food, and what is the importance of ATP? Include the name of the process and the overall chemical equation in your explanation
Answers
Answer:
The correct answer is - cellular respiration is the process to release energy from food in the form of ATP.
Explanation:
Food, as we know, is the only source of energy for the body but it requires to converted from the form of what we eat which is carbohydrates, protein, fat into an energy source that cells and the body can use for various functions. The process that converts food into energy is cellular respiration.
Cellular respiration is a set of complex chemical reactions that convert sugars into energy in the form of ATP which is the only currency of energy cell can use. The reaction has three stages glycolysis converts glucose in pyruvate, Krebs cycle releases carbon in the form of CO2 from pyruvate, and electron transport which is oxygen-dependent reaction.
Cellular respiration can be understood by the following chemical equation:
C6H1206 + 6O2 ====> 6CO2 + 6H2O + ATP
Could there be some kind of molecular editing system ? What tools could be devised to work with genes? Could scientists then create tailored DNA molecules