The secretory cells of the stomach and their respective secretions are:
Surface Mucous Cell: Secretes mucus
Mucous Neck Cell: Secretes mucus
Parietal Cell: Secretes hydrochloric acid and intrinsic factor
Chief Cell: Secretes pepsinogen
Enteroendocrine Cell: Secretes gastrin
The secretory cells of the stomach are specialized cells that produce various substances essential for the digestive process. Let's match each of the secretory cells with their respective secretions:
Surface Mucous Cell: These cells are located in the gastric pits and secrete a protective layer of mucus that covers the surface of the stomach lining. This mucus acts as a barrier against the harsh acidic environment of the stomach, preventing damage to the underlying tissues.
Mucous Neck Cell: Found in the neck region of gastric glands, these cells secrete a thinner and less viscous mucus compared to surface mucous cells. This mucus also helps protect the gastric lining from acid and other potentially harmful substances.
Parietal Cell: Parietal cells are responsible for secreting hydrochloric acid (HCl) and intrinsic factor. HCl plays a crucial role in breaking down food particles, sterilizing the stomach contents, and creating an acidic environment necessary for the activation of other enzymes. Intrinsic factor is essential for the absorption of vitamin B12 in the small intestine.
Chief Cell: Chief cells produce and secrete pepsinogen, an inactive form of the enzyme pepsin. Pepsinogen is activated by the acidic environment created by HCl secreted by parietal cells. Once activated, pepsin breaks down proteins into smaller peptides, aiding in the digestion of proteins.
Enteroendocrine Cell: These cells secrete gastrin, a hormone that regulates the secretion of gastric acid and the movement of food through the digestive system. Gastrin stimulates the release of HCl from parietal cells and promotes the contraction of the stomach muscles.
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Each different secretory cell in the stomach has a specific secretion: surface mucous cells secrete alkaline mucin, mucous neck cells secrete acidic mucin, parietal cells produce hydrochloric acid and intrinsic factor, chief cells secrete pepsinogen, and enteroendocrine cells secrete hormones such as gastrin.
Explanation:The various secretory cells in the stomach and their corresponding secretions can be matched as follows:
Surface Mucous Cell: These cells secrete a protective layer of alkaline mucin on the stomach epithelium.Mucous Neck Cells: These cells, found in gastric glands of the stomach's upper part, secrete acidic mucin.Parietal Cells: These cells, situated mainly in the gastric glands' middle region, produce hydrochloric acid and intrinsic factor. These substances respectively help activate the protein-digesting enzyme pepsin and facilitate the absorption of vitamin B12.Chief Cells: These cells secrete pepsinogen, which is converted into the enzyme pepsin through the action of stomach acids.Enteroendocrine Cells: These cells secrete various hormones, including gastrin which stimulates secretion of gastric acid and involuntary gastric muscle movements.Learn more about Stomach Secretory Cells here:
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Help me, please with this :)
Answer:
Please find the answer to the blank spaces in each statement of the attached image in CAPS.
1. All energy comes from the SUN
2. Plants, algae and some bacteria capture energy by PHOTOSYNTHESIS in their CHLOROPLAST.
3. Plants, animals, fungi, protists, and most bacteria release energy by RESPIRATION in their MITOCHONDRIA.
Note:
- Photosynthesis requires CARBON DIOXIDE (CO2) and WATER (H20) to make GLUCOSE (C6H12O6) and OXYGEN (02)
- Respiration requires GLUCOSE (C6H12O6) and OXYGEN (02) to make CARBON DIOXIDE (CO2) and WATER
Explanation:
The image in this diagram is depicting how energy flows from the ultimate source, which is the SUN to other living organisms. Plants, algae and some bacteria have the ability to capture energy from the SUN using pigments in their CHLOROPLAST in a process called PHOTOSYNTHESIS, which they use to synthesize their food. The process of photosynthesis requires CARBON DIOXIDE (CO2) and WATER (H20) to make GLUCOSE (C6H12O6) and OXYGEN (02) gas.
However, on the contrary, virtually all living organisms including: Plants, animals, fungi, protists, and most bacteria etc. release energy via an organelle called MITOCHONDRIA in a process called RESPIRATION. The process of respiration requires GLUCOSE (C6H12O6) and OXYGEN (02) to make CARBON DIOXIDE (CO2) and WATER.
Wgat structures composed of specialized tissues designed to perform specific fuctions in plans and animals called:_________
Organs are the structures composed of specialized tissues designed to perform specific functions in plants and animals.
Organs are the structures made up of similar types of tissues, These work in coordination to perform a similar type of function. The heart, kidney, lungs, stomach are all examples of organs. These are differentiated structures that perform a specific task.
Tissues are the mass of cells that are of similar type. The differentiated cells combine together to form a tissue. These cells also work in coordination so that the tissue can perform a certain type of function. Tissues can be plant tissue or animal tissue depending upon whether they have plant cell or animal cell.
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where would you expect to find tight junctions? where would you expect to find tight junctions? between the smooth er and the rough er in the epithelium of an animal's stomach between plant cells in a woody plant in the plasma membrane of prokaryotic cells
Tight junctions are found in the epithelium of an animal's stomach and between the smooth ER and the rough ER in cells.
Tight junctions are most commonly found between the smooth ER and the rough ER, as well as in the epithelium of an animal's stomach. Tight junctions are one of three types of cell junctions, with the other two being desmosomes and gap junctions. Tight junctions form a barrier that limits the passage of substances between cells in tissues that need to be tightly regulated, such as the gastrointestinal tract, blood-brain barrier, and kidney tubules. They seal the space between adjacent cells by forming a continuous belt-like structure around the circumference of each cell. Tight junctions are made up of transmembrane proteins called claudins, occludins, and junctional adhesion molecules (JAMs), which interact with cytoplasmic scaffold proteins such as zonula occludens (ZO) to create a tight seal.
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How does Polonius death affect the plot?.
The plot take a turn After Hamlet kills Polonius, Ophelia loses her mind, and Laertes vows to exact retribution, which results in the duel in the play's final act.
Shakespeare's tragedy Hamlet, also known as The Tragedy of Hamlet, Prince of Denmark, was written between 1599 and 1601. With 29,551 words, it is Shakespeare's longest play. The play, which is set in Denmark, tells the story of Prince Hamlet's efforts to exact revenge on his uncle Claudius, who killed Hamlet's father in order to usurp his throne and wed Hamlet's mother.
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PLEASE HELP ASAP
2) The balanced chemical equation. for cellular respiration is:
C6H12O6+602>>>6CO2+H20+heat+ATP
How does this equation represent the law of conservation of matter- that matter. cannot be created or destroyed?
Answer:
Explanation:
Because the matter turns into heat and ATP.
This is just a simple yes or no question PLEASE NO LINKS I WILL REPORT YOUR ACCOUNT please. What you have to do is check if this Venn diagram is correct and tell me. If I get a 100 on this assignment not only will I mark you Brainliest but I will send you an invite to my virtual birthday party and food would be delivered to your house well and if you do not want food delivered to your house then that is fine you just eat the food you have
Answer:
Its correct
Explanation:
why are fungi not included in Kingdom plantae
Answer:
cell walls of the fungi are made of chitin not cellulose
fungi absorbs nutrients from other organisms whereas plant make their own food
Answer:
please make sense
Explanation:
A common mineral found in igneous rocks is the most abundant mineral in detail sedimentary rocks
Answer:
Feldspar
Explanation:
WILL MARK BRAINLIEST. Can someone help me wit des three questions?
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1.) What could happen if you remove an organism from a food chain?
2.) What is biodiversity?
3.) Why is biodiversity important in an ecosystem?
Answer:
1. every organism on the food chain will be affected. the ones below it will have a higher population, and the ones above it will have a lower population.
2. biodiversity is the idea, that all life is different, and environments thrive with it.
3. biodiversity is important in an ecosystem because if you take out biodiversity, you essentially take out all the animals in the given ecosystem.
Explanation:
1. when you remove lets say a spider from a food chain, the bugs that it would've eaten will start growing in population from not being eaten by the spiders. the birds that wouldve eaten the spiders, will decrease from the lack of that food source.
2. is self explanatory
3. if you only had one type of bird in one ecosystem, and that was the only animal in that ecosystem, the birds would all die, because they wouldn't have anything to eat, and nothing would eat it, so they might resort to cannibalism, or, as earlier stated, they would die off, from lack of food. the ecosystem would not be sustainable.
in a specific ecosystem, the population with the greatest number of members will be the secondary consumers.
False. in a specific ecosystem, the population with the greatest number of members will be the producers
Producers are organisms that create food in the food chain and are found at the bottom of the food chain pyramid. Producers use sunlight to fix CO2 and H2O, which they accumulate in their bodies as biomass and use to provide energy to other organisms in the food chain.
Food chains do not exist naturally without producers. In some cases, it depicts an upright pyramid, but in others, it depicts a spindle-shaped pyramid in a separate ecosystem.
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You found that two pairs of genes have the same physical (nucleotide) distances by sequencing and different recombination (genetic) distances by crossing. a. Explain why this happens. b. Explain how recombination (genetic) distances become longer in certain pairs.
The recombination distance between two genes can be longer if they are far apart on the same chromosome and located in a region rich in recombination hotspots.
a. It is possible for two pairs of genes to have the same physical (nucleotide) distances by sequencing and different recombination (genetic) distances by crossing due to the difference in the number of recombination events. Recombination events can cause changes in the genetic makeup of an individual.
During meiosis, homologous chromosomes recombine and exchange genetic material through the process of crossing over. This process occurs during the pachytene stage of meiosis and can occur more than once, leading to multiple recombinant gametes from a single pair of homologous chromosomes. The physical distances between genes on the same chromosome are fixed, but the frequency of recombination between these genes can differ depending on how often crossing over occurs between them. Thus, even if the physical distance between two genes is the same, the recombination distance can differ due to differences in the frequency of crossing over.
b. Recombination (genetic) distances become longer in certain pairs when the frequency of crossing over is higher. The frequency of crossing over between two genes is influenced by their physical distance and the presence of recombination hotspots, which are regions of the genome where recombination is more likely to occur. If the two genes are located far apart on the same chromosome, they are more likely to undergo a recombination event than two genes that are close together.
Similarly, if the two genes are located in a region of the chromosome that is rich in recombination hotspots, they are more likely to undergo a recombination event than genes that are located in a region with fewer recombination hotspots. As a result, the recombination distance between two genes can be longer if they are far apart on the same chromosome and located in a region rich in recombination hotspots.
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What is the relationship between the TRIPLET CODE and the CODON ??
Answer:
each nucleotide triplet (called a codon) specifies a particular amino acid. Thus, a nucleotide sequence in the DNA specifies a protein provided that a messenger RNA molecule is produced from that DNA sequence. Each region of the DNA sequence specifying a protein in this way is called a gene.
A) Explain why bones are not completely smooth but contain features, such as foramina, ridges, fossae, and condyles.B) Why does body activity have an effect on the shape and size of these features?
A) Bones are not completely smooth, but rather contain a variety of features such as foramina, ridges, fossae, and condyles, due to a number of reasons:
Function: Many of these features are the result of the bone's function. For example, ridges and tubercles often serve as attachment sites for muscles, tendons, and ligaments, while fossae provide space for organs or other structures.
What is the function of foramina?Protection: Some features, such as the foramina, serve as passageways for nerves and blood vessels. By having these structures protected within bone, they are less vulnerable to injury.
Growth and development: Many of these features are also the result of bone growth and development, as bones adapt to the forces placed upon them during movement and other activities.
B) Body activity has an effect on the shape and size of these features for several reasons:
Mechanical loading: Bones respond to mechanical loading by undergoing a process called remodeling, in which bone tissue is removed and new tissue is laid down. This can result in changes in the shape and size of bone features as the bone adapts to the forces being placed upon it.
Muscle activity: The shape and size of many bone features are influenced by the attachment and activity of muscles. As muscles grow and change in response to activity, they can exert more force on the bone, leading to changes in bone shape and size over time.
Hormones: Hormones such as estrogen and testosterone can also affect bone growth and remodeling, leading to changes in bone shape and size.
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1. The null hypothesis for GLM are the same as for linear
regression.
Select one:
True
False
2. The link function is exactly the same as a transformation,
because it operates on the Ys.
Select one:
Tr
1. The null hypothesis for GLM is False.
While both linear regression and generalized linear models (GLMs) involve hypothesis testing, the null hypothesis is not the same for both. In linear regression, the null hypothesis typically assumes that there is no relationship between the independent variable(s) and the dependent variable, and any observed relationship is due to random chance.
In GLMs, the null hypothesis depends on the specific application and the type of GLM being used. It could involve testing the significance of specific predictors or comparing different models.
2. The statement "The link function is exactly the same as a transformation because it operates on the Ys" is False.
In GLMs, the link function is not the same as a simple transformation of the dependent variable. The link function relates the linear predictor (a function of the predictors) to the expected value of the dependent variable. It serves to model the relationship between the predictors and the response variable while accommodating different types of data distributions and addressing non-linearity.
On the other hand, a transformation of the dependent variable would directly alter the scale or shape of the data, without explicitly modeling the relationship with the predictors.
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In dogs, there is a hereditary deafness caused by a recessive gene, "d. " A konnel owner
has a male dog (Gilbert) that she wants to use for breeding purposes if possible. The dog can hear.
9) What are the two possible genotypes of Gilbert?
With a punnet square example please !
The hereditary deafness in dogs caused by the recessive gene "d" is inherited in a simple Mendelian fashion. The gene has two alleles: "d" for the deafness allele and "D" for the normal hearing allele.
The "d" allele is recessive, which means that an individual must have two copies of the "d" allele in order for the deafness to be expressed. An individual with one copy of the "d" allele and one copy of the "D" allele is known as a carrier of the deafness gene and will not be deaf.
Given that Gilbert is a male dog and can hear, we know that he does not have two copies of the "d" allele and therefore must have at least one "D" allele. There are two possible genotypes (genetic makeup) for Gilbert:
DD - this genotype means that Gilbert has two normal hearing alleles, and will not be deaf, and also will not pass the deafness gene to his offspring.
Dd - this genotype means that Gilbert has one normal hearing allele and one deafness allele, meaning he is a carrier of the deafness gene but not affected by it, He will not be deaf but can pass the deafness allele to his offspring.
It's worth noting that it's impossible for Gilbert to have the genotype dd as he is able to hear.
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where is the fertilization in plant take place
Answer:
Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. It occurs in ovary of female flower
Explanation:
After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.
______________*_______*________________
Stay safe,stay healthy and be blessed.
taking into account the rh factor, which blood group is the universal recipient?
Taking into account the Rh- factor, AB positive blood group is the universal recipient.
AB-positive blood is called the universal recipient because it can receive blood from all other blood groups. This means persons with AB-positive blood group can safely receive a blood transfusion from any donor with any blood type. Antigens are a substance that the immune system of the body responds to. They are found on the surface of blood cells. When the immune system detects an antigen that it does not recognize, it will fight against it. Blood group A has antigen A and blood group B has B antigen, AB blood group has both A and B antigens whereas O blood group has no antigens at all.
Blood types are classified as positive or negative based on the presence of the Rh factor. This is based on the presence or absence of a protein called the rhesus (Rh) factor. It's often written as "+" (positive or Rh factor present) or "-" (negative or Rh factor absent) when noting the blood group of a person.
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What kind of molecule is represented in the diagram?
Fatty Acid
Glycerol
Fatty Acid
Fatty Acid
A. A nucleic acid
B. A triglyceride
C. A nucleotide
O D. A polysaccharide
Answer:a triglyceride
Explanation:
Bc. It is
Triglyceride are the types of fat which is represented in the diagram. So, the correct option is B.
What is Triglyceride?Among fats, triglycerides are one. They are the most frequent sort of fat in the human body. They come from foods, mainly butter, oils, and other fats you ingest. Additionally, extra calories provide triglycerides. These constitute the calories that you eat, yet your body does not require right away.
A triglyceride is an ester formed from glycerol with three fatty acids. Triglycerides are the primary component of body fat for humans and other vertebrates, in addition to vegetable fat. Triglyceride are the types of fat which is represented in the diagram.
The risk of heart disease and stroke is increased by a number of conditions, including obesity as well as metabolic syndrome, which is characterized by excess body fat within the waist, elevated blood pressure, high triglycerides, elevated blood sugar, and abnormal cholesterol levels.
Therefore, the correct option is B.
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HELP ASAP WILL GIVE BRAINLIEST RIGHT ANSWER PLS
Answer:
Explanation: 1. d 2. b 3.e 4. a
which of the following plays an important role in tem versus tcm commitment? i. high il-7r expression ii. strong antigen stimulus iii. low t-bet expression
The factor that plays an important role in T cell memory commitment is high IL-7R expression. Option I.
What is IL-7R?IL-7R is otherwise known as the Interleukin-7 receptor. It plays an important role in T cell commitment and differentiation.
High expression of IL-7R is associated with the commitment of T cells to the effector memory T cell (Tem) subset.
On the other hand, strong antigen stimulus and low T-bet expression are not specifically linked to the commitment of T cells to either the effector memory T cell (Tem) or the central memory T cell (Tcm) subset.
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Are the Earth's seasons caused by the differences in the distance
from the Sun throughout the year or the tilt of the Earth's axis?
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
The nucleus is the cell as:
A) The bones are to a human.
B) The heart is to human.
C) The muscles are to a human.
D) The brain is to a human.
Answer: D) The brain is to a human
Explanation: Nucleus is like the brain in the cell it basically helps the cell to function just the same as how the brain makes a human function properly.
The graph on the right is the blood oxygen graph. Using that and your knowledge of cellular respiration and the relationship between oxygen and carbon dioxide, what can you say about the rate of carbon dioxide production when you exercise?(did it increase or decrease? Did it stay the same? Did it change quickly? Did it change very slowly?)why do you think this happens?
The pace at which carbon dioxide is produced due to the process of cellular respiration, when you exercise.
The definition of cellular respiration
Cellular respiration is the process by which glucose reacts with oxygen to produce waste materials like carbon dioxide and water as well as the energy in the form of ATP molecules that the cell needs to function.
We are aware that each cell needs energy to function and that each cell is the basic building block of all life. Respiration occurs at the cellular level, which is the lowest level of our body. The opposite of photosynthesis is respiration. Food is made during photosynthesis when water and carbon dioxide are combined with light.
Therefore, we can draw the conclusion that exercise causes a rise in carbon dioxide generation due to the process of cellular respiration.
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please help me fill the squares
Answer:
that is basically it. I'm just adding works so I can send this
Which of the following would most quickly devastate a human population? (4 points)
a
A flu virus breaking out in a large office building or school
b
A deadly water-borne microorganism in a city's water source
c
A genetic disorder found in a population of average women
d
An illness that spreads through contact with bodily fluids
Answer:
B
Explanation:
Answer: B
Explanation:
Took the test
the dates shown in the diagram above refer to the ages of..
A original material
B trace fossils
C igneous rock layers
D sedimentary rock layers
How is a scientific law different from a scientific theoryWhat is the difference between inorganic and organic compounds?
Answer:
A scientific law predicts the results of certain initial conditions. It might predict your unborn child’s possible hair colors, or how far a baseball travels when launched at a certain angle. In contrast, a theory tries to provide the most logical explanation about why things happen as they do. Organic molecules mainly have covalent bonds whereas, in inorganic molecules, there are covalent and ionic bonds. • Inorganic molecules cannot form long chained polymers as organic molecules do.Explanation:
Which statement about inheritance is true
Answer:
Fathers always determine the gender of the offspring in humans.
Explanation:
Pure liquid water has a pH of 7, which means that water is
Answer:
Pure liquid water has a pH of 7 it means pure water is neutral.
NEED NOW 100-150 words
Feedback Regulation: Focusing on feedback control in thermoregulation, explain
why shivering is likely during the onset of a fever.
Answer:
No
Explanation:too much to ask for bud