g the hormone insulin is secreted by the pancreatic islets in response to a rise in blood glucose concentration. surprisingly, however, insulin secretion is greater in response to oral glucose than to intravenous glucose. explain why this is so
Answers
This is so why because, for identical glucose levels, the oral glucose exhibits a higher insulin response than the intravenous glucose; this difference is caused by the incretin effect.
The incretin effect may not be limited to glucose alone, according to research. The term "incretin effect" refers to the phenomenon whereby oral glucose in healthy individuals causes higher insulin secretory responses than intravenous glucose, even though both induce similar levels of glycemia.
The release of the gut hormones glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1, as well as their impact on beta cells, are the primary causes of the incretin effect. The increased stimulation of insulin secretion brought on by oral glucose administration as opposed to intravenous glucose administration at constant plasma glucose levels is known as the "incretin effect."
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Related Questions
What are the genotypic and phenotypic distributions for the F1 and F2 generations from a cross between a chick with black (BB) feathers and chicken with white (WW) feathers if the color is determined by alleles that show codominance. The heterozygote is an erminette chicken, which is black and white speckled.
Answers
Answer:
Please find the punnet square to this question as an attachment
F1 generation:
genotype = BW
Phenotype = Erminette offsprings
F2 generation:
genotype = BB (1): BW(2): WW(1)
Phenotype = 1 Black, 2 Erminette, 1White
Explanation:
This question involves a gene coding for feather color in chickens. The allele for black feathers (B) is codominant with the allele for white feathers (W) to form an erminette chicken (black and white speckles).
According to this question, a cross between a chick with black (BB) feathers and chicken with white (WW) feathers will result in an all erminette chicken (BW) in the F1 generation (see attached image)
Also, in the F2 generation got by self-crossing the Erminette genotype in the F1 generation (BW), the following genotypic and phenotypic ratios are observed:
Genotypic ratio = BB (1): BW(2): WW(1)
Phenotypic ratio = 1 Black, 2 Erminette, 1White
Which of the following condensed general formulas represents alcohols?
A)ROR
B)RCOR
C)RCHO
D)ROH
E)RCOOH
Answers
Answer:
the answer is part d
Explanation:
(D) Roh
Which statement best describes the relationship between the bending of a ray of light and a black hole?
When light disappears, it causes a black hole to come into existence.
A ray of light has gravity that will cause a black hole to move toward it.
Gravity from a black hole will pull a ray of light and cause its path to change.
A black hole’s gravity can cause a ray of light to gain gravity and attract objects.
Answers
Answer:
number 2
Explanation:
Answer:
second option
Explanation:
Puget, S., et al. (2007). Pediatric craniopharyngiomas: Classification and treatment according to the degree of hypothalamic involvement. Journal of Neurosurgery: Pediatrics, 106(1), 3-12.
Answers
The study titled "Pediatric craniopharyngiomas: Classification and treatment according to the degree of hypothalamic involvement" by Puget et al. (2007) focuses on the classification and treatment of craniopharyngiomas in pediatric patients based on the extent of hypothalamic involvement.
Craniopharyngiomas are rare brain tumors that commonly affect children. The hypothalamus is an important part of the brain responsible for hormone regulation and other vital functions.
The authors proposed a classification system to assess the degree of hypothalamic involvement in craniopharyngiomas. This classification system helps in determining the appropriate treatment approach. Treatment options discussed in the study include surgical resection, radiation therapy, and hormone replacement therapy.
The study highlights the importance of multidisciplinary management involving neurosurgeons, endocrinologists, and other healthcare professionals. It emphasizes the need for personalized treatment plans based on the individual patient's presentation and the extent of hypothalamic involvement.
In conclusion, Puget et al.'s (2007) study provides valuable insights into the classification and treatment of pediatric craniopharyngiomas based on the degree of hypothalamic involvement. The findings can guide healthcare professionals in optimizing treatment strategies for better patient outcomes.
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Which statement does the fossil record and DNA
evidence support?
o Chimpanzees and humans do not share any
common ancestors.
O Chimpanzees are cousins to humans.
O Chimpanzees are the ancestors of modern
humans.
Answers
Answer:
B) Chimpanzees are cousins to humans
Explanation:
Just did it, Have a good day!
Answer:
Explanation:The correct answers on edg
The diversity of organisms ranges from simple prokaryotic cells to complex multicellular organisms A. True B. False
Answers
Answer: True
Explanation:
according to the theory of common descent, each species on earth today should
Answers
According to the theory of common descent, each species on earth today should be related through a common ancestor. In other words, all living organisms are believed to have evolved from a single-celled organism over time and through successive generations.
Would you like to know more about the theory of common descent?
The theory of common descent postulates that all species share a common ancestor, and this can be seen in the similarities in DNA between organisms. It was proposed by Charles Darwin in the 19th century as part of his theory of evolution and has since been supported by numerous lines of evidence, including fossil records, comparative anatomy, and molecular biology.
In essence, the theory of common descent asserts that all living things are related and have evolved from a single organism. It also implies that there is a continuity of life on earth, as all species are connected by a process of descent with modification. Through this process, organisms change and adapt to their environments, leading to the evolution of new species over time.
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Illustration hkw echolocation works for the bat. How does this
Help the bat?
Answers
Echolocation helps the bat to find the prey about where they prey is located with the help of the vibrations of its echo.
To find out if the bats could anticipate where the insects would move, researchers watched the bats' head motions while echolocating insects. The bat gauges the distance to its prey by measuring the interval between each echolocation call and the subsequent echoes.
They slant their heads to detect the shifting echoes' intensities and determine the location of the prey in the horizontal plane. To successfully follow a wildly flying bug, bats must combine echo information regarding object distance and direction.
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Correct question:
Illustrate how echolocation works for the bat. How does this help the bat?
Increased water volume causes the hydrostatic pressure in plasma to increase and the osmotic pressure to decrease; as a result, water will __________.
Answers
When there is an increase in water volume in plasma, it causes the hydrostatic pressure in plasma to increase and the osmotic pressure to decrease and as a result, water will move out of plasma.
How does increased water volume affect hydrostatic pressure in plasmaWhen water volume in plasma increases, the hydrostatic pressure will increase.
Increase in water volume will result in a decrease in the osmotic pressure of plasma due to dilution of the solutes in plasma.
Therefore, to maintain homeostasis, water will move out of the plasma by simple diffusion and osmosis.
Therefore, increased water volume causes the hydrostatic pressure in plasma to increase and the osmotic pressure to decrease and as a result, water will move out of plasma.
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What colour is the chlorophyll in a plant?
Answers
Answer:
green
Explanation:
The green color of chlorophyll is secondary to its importance in nature as one of the most fundamentally useful chelates. It channels the energy of sunlight into chemical energy, converting it through the process of photosynthesis
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Explain the relationship between the sensors, control center communication systems and targets when maintaining homeostasis.
Answers
Answer:
Homeostasis es la constancia del Medio interno, aún frente a las variaciones del Medio externo
(Cannon). El Medio interno se relaciona con la complejidad de los seres vivos.
Según Teoría de la Evolución, el primer ser vivo surgió en el mar, formado por una sola célula, la cual
intercambiaba nutrientes y desechos metabólicos con su Medio externo.
De los Unicelulares evolucionaron los Pluricelulares, los cuales debían solucionar el problema del
intercambio de nutrientes, oxigeno y desechos de las células que se encuentran en su interior. De esta
forma se desarrolló un ambiente interno, que permitió la vida libre e independiente.
El Medio interno está representado por el Líquido extracelular que rodea a las células de los Pluricelulares,
con una composición estable que permite los intercambios metabólicos y la comunicación celular.
El 60 % del peso corporal humano es agua, la cual se encuentra distribuida en un 40% del peso corporal en
el Líquido intracelular y en un 20% en el Líquido extracelular.
Del total del Líquido extracelular un 80% corresponde al Líquido intersticial y un 20% al Plasma sanguíneo.
El Líquido intersticial o tisular debe mantenerse constante, para lo cual se requiere la ayuda del
Sistema circulatorio.
El Plasma sanguíneo intercambia oxigeno y nutrientes, dióxido de carbono y desechos con el Líquido
extracelular a nivel de los Capilares sanguíneos, debido a lo cual en ambos líquidos la concentración de
solutos es igual, a excepción de las proteínas.
Según Starling, existe un equilibrio entre el volumen de líquidos que sale del capilar arterial y el que
vuelve por los capilares venosos.
El Líquido intracelular varía de célula a célula del punto de vista cuantitativo, guardando similitud en la
composición celular desde el punto de vista cualitativo
Explanation:
small hairlike projections that cover the cell’s surface
Answers
Surface microvilli are tiny projections that resemble hair and cover the cell.
Microvilli are hair-like protrusions that cover an enterocyte's surface and add to the small intestine's larger surface area.
The proximal convoluted tubule of the kidney and the epithelial cells of the small intestine both have microvilli on their exposed surfaces. The intestinal villi, which are finger-like projections at the epithelial lining of the gut wall, should not be confused with microvilli.
The apical surfaces of polarised epithelial cells include microvilli, which increase the surface area of the cell exposed to the lumen to improve absorption and secretion. Microvilli are surface-extending cells that resemble fingers.
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It would be appriciated if someone could help :)
The punnett square below examines the freckles allele. Describe the genotypes and phenotypes of the two parents that produce the four possible gamete combinations in the following punett square:
Answers
Explanation: I don’t know if the 1/2s have anything to do with it but if they don’t then what I put above is the answer :)
General PsychologyTopic 1 – Introduction to Psychology and Role of BiologyMini Brain ProjectDirections: Conduct research on a selected brain area or structure. Areas and structures available for research include: frontal lobe, parietal lobe, temporal lobe, occipital lobe, medulla, pons, cerebellum, reticular formation, thalamus, hypothalamus, limbic system, cerebrum, hippocampus, amygdala, corpus callosum, Broca’s area, OR Wernicke’s area. Conduct research using scholarly Internet sources, library sources, and the textbook. Where is the area or structure located?What are its major functions? What techniques are used to view or measure it?What happens when it is damaged?What other structures is it near?What other structures help or perform similar functions?References:
Answers
The frontal lobe is located infront of the brain and extends from the area located at the back of the forehead. It is responsible for higher cognitive functions like memory, emotions, impulse control, problem solving, social interaction, and motor function. The three frequently used techniques to measure the frontal lobe are Magnetic Resonance Imaging (MRI), magnetoencephalography (MEG) and electroencephalography (EEG).
Damage to the frontal lobe can cause several symptoms such as behavioral problems, depression, and loss of strenght in the muscles. Also conditions like stroke, head trauma, and dementia can be seen in individual with damage frontal lobe.
It is connected with a nerve pathways to other parts of the brain. It contains several structures like the anterior orbital gyrus, medial orbital gyrus, posterior orbutal gyrus, and gyrus rectus. the orbutal gyri which is connected to the vagus nerve plays an important role in the limbic system that controls emotional and automatic reactions.
What part of the cell cycle is represented by the picture labeled as steps 2-4?
Answers
Answer:
Does your bio textbook show you?
What do researchers think is a primary factor in the decrease of North American bird populations?
Answers
Researchers believe that habitat loss and degradation is a primary factor in the decrease of North American bird populations.
The destruction, fragmentation, and degradation of natural habitats such as forests, wetlands, and grasslands have a significant impact on bird populations. The loss of breeding, nesting, and foraging habitats leads to declines in bird populations, and this is compounded by other factors such as climate change, predation, and disease. Human activities such as deforestation, urbanization, and intensive agriculture are major contributors to habitat loss and degradation. This has led to declines in many bird species across North America, including grassland birds, shorebirds, and migratory songbirds.Conservation efforts such as habitat restoration, habitat protection, and land-use planning can help to address this issue and promote the recovery of bird populations.
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Scientists all agree we need sleep, but there is no consensus
on why true or false?
Answers
Answer: true
Explanation: Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other. In fact, your brain and body stay remarkably active while you sleep. Recent findings suggest that sleep plays a housekeeping role that removes toxins in your brain that build up while you are awake
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plz mark brainliest
Which nervous system issue causes seizures?
Answers
Answer:
Epilepsy is correct
Explanation:
explain how the geologist knows that the flow is older then the intrusion
Answers
The self-complementarity within each strand confers the potential to form 1 hairpin, cruciform. 2 hairpin, B-form 3 palindrome, cruciform 4 palindrome, B-form
Answers
La autocomplementariedad de cada cadena de ADN o ARN permite la formación de estructuras como hebras y cruciformes. Estos motivos estructurales son fundamentales en el plegamiento de ADN y ARN, la regulación génica y otros procesos biológicos.
La autocomplementarity de cada cadena de DNA o RNA permite la formación de varios motifs estructurales. Particularmente, esta autocomplementarity concede la capacidad de crear hebras y estructuras cruciformes. In the case of one hairpin, a single strand folds back on itself, creating a stem-loop structure. El patrón de enrollamiento más complejo es el resultado de dos estructuras de nudo que involucran dos regiones complementarias dentro del mismo rollo. Sin embargo, los palindromes muestran repeticiones invertidas dentro de una fibra, lo que permite la unión de pares de base y la formación de estructuras de forma cruciforme o B. These structural motifs are crucial in DNA and RNA folding, gene regulation, and other biological processes.
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Every DNA strand has the ability to produce hairpin structures due to its self-complementarity. When a single strand curls back on itself, creating a stem-loop structure, the result is a hairpin structure.
Hydrogen bonds formed between complementary nucleotides in the same strand help to stabilise this structure.The term "cruciform" describes a DNA structure that takes on a cruciform shape when two hairpin structures inside the same DNA molecule align in an antiparallel direction. Palindromic sequences, which are DNA sequences that read the same on both strands when the directionality is ignored, are frequently linked to cruciform formations.The usual right-handed double helical DNA helix, which is most frequently seen under physiological settings, is referred to as being in "B-form" instead.
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What is molecular genetic manipulation
Please explain
Answers
Answer:
Molecular genetics is the manipulation of an organism's genome. There have been many uses of MG outside the farm gate for generating customised bacterial cultures. When MG is used in dairy animals, it results in transgenic animals with new traits that can't be achieved through standard breeding techniques. Inside the farm gate, MG plays a role in animal breeding. Causative mutations or linked genetic markers that cause phenotypic differences are being identified using MG. This approach aims to disseminate superior genetics to commercial farmers effectively and efficiently.
What are the 5 main points of Darwin's theory?
Answers
Answer:
For Darwin himself these five theories were apparently much more a unity than they appear to a person who analyzes them with modern hindsight. The five theories were: (1) evolution as such, (2) common descent, (3) gradualism, (4) multiplication of species, and (5) natural selection.
Describe how you would use Random Sampling to determine the population of dandelions in your yard.
Answers
Answer:
randomly select different areas to count the dandelions, average the numbers and then multiply by the number of plots your grid contains. 6. In a forest that measures 5 miles by 5 miles, a sample was taken to count the number of silver maple trees in the forest.
Random sampling is used in sampling biological products. It is made up of subsets from the larger population in which the subset of individuals is selected randomly with equal probability.
It is used to collect the data for your research work.For sampling the dandelions randomly we will first choose a distinct random area for computing the dandelion.Estimate the average of the numbers determined before.Now multiply the average with the design your framework contains or with the total number of squares in the yard.Therefore this is how you calculate the random sample size.
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Which IS an example of why the process of photosynthesis is important to life on Earth?
Answers
Answer:
Explanation:
Photosynthesis is important to living organisms because it is the number one source of oxygen in the atmosphere. Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere.
Which of the following is a benefit to
free-range agriculture?
A. decreased prevalence of disease
B. increased prevalence of disease
C. increased use of antibiotics
D. increased numbers of animals in cages
Answers
Answer:
The answer is A. decreased prevalence of disease
in what important way does competitive inhibition differ from allosteric inhibition?
Answers
The important way competitive inhibition differ from allosteric inhibition is competitive inhibition involves competition for the active site, while allosteric inhibition involves regulation by a molecule binding to a different site on the enzyme.
Competitive inhibition and allosteric inhibition are two types of enzyme inhibition that have important differences. Competitive inhibition occurs when a molecule that is similar in shape to the substrate competes with the substrate for the active site of the enzyme. This molecule, called the inhibitor, binds to the active site and prevents the substrate from binding, leading to a decrease in enzyme activity.
In contrast, allosteric inhibition occurs when a molecule binds to a site on the enzyme that is not the active site, causing a conformational change in the enzyme that reduces its activity. This type of inhibition is usually regulated by feedback mechanisms and can have a more significant impact on enzyme activity than competitive inhibition. In summary, competitive inhibition involves competition for the active site, while allosteric inhibition involves regulation by a molecule binding to a different site on the enzyme.
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Salivary amylase is an enzyme that breaks down starch. The optimum or best pH for this reaction is 6.7. Which of the following would not have an effect on a reaction involving this enzyme?
. Amount of substrate
. Enzyme concentration
. Maintaining the pH of the reaction at 6.7.
. Decreased temperature of reaction temperature by 10 degrees C.
Answers
Answer:
:-) maintaining the pH of the reaction at 6.7
Explanation:
hope this helps
A splitting enzyme generated by the salivary glands is called salivary amylase. It assimilates the starch element of the food into small molecules of maltose.
The correct answer is:
Option C. Maintaining the pH of the reaction at 6.7
The explanation for the answer is:
The degree of enzyme activity and its purpose depends on the concentration of the substrate present.Enzyme concentration influences the reaction as increased enzyme amount will result in the reaction to speed up.The enzyme action depends on the temperature as the drop in the temperature will reduce the rate of reaction.Therefore, maintaining the pH of the reaction at 6.7 will not affect the reaction.
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laboratory activity 1: if a compound microscope has a 10x eyepiece and the ocular is set on 30x, what is the total magnification?
Answers
If a compound microscope has a 10x eyepiece and the ocular is set at 30x, then the total magnification is 300X.
Simply multiply the magnification power of the ocular lens by the magnification power of the employed objective lens to find the total magnification of the image.
If you are using the 10x low-power objective,
the magnification power of 30x,
the total magnification would be simply
=10 × 30
= 300x.
Thus the total magnification is 300X.
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Compare mitosis and meiosis. Include what type of cells are created through mitosis and meiosis and the function of each. What makes these processes vital to our survival?
Answers
Answer:
Answer is below---v
Explanation:
meiosis is sexual reproduction and can result in a new cell genetically identical to both of its parent cells.
Mitosis is asexual reproduction and results in a daughter's cell genetically identical to its mother and is an exact copy.
Fungi differ from plants in that they do not reproduce by seeds and lack ...
A) chitin
B) hyphae
C) cell walls
D) chlorophyll
Answers
Answer:
C) Cell walls
Explanation:
fungi differ from plants