Which class of antidiabetic drugs inhibits alpha glucosidase and delays glucose absorption?
Answers
Alpha-glucosidase inhibitors are a class of antidiabetic drugs that inhibits alpha-glucosidase and delays glucose absorption.
Alpha-glucosidase inhibitors are abbreviated as AGIs. AGIs inhibit the absorption of carbohydrates in the small intestine by inhibiting the action of enzymes such as alpha-glucosidase. Alpha-glucosidase is an enzyme that converts complex carbohydrates (e.g. Starch) into simple absorbable carbohydrates like glucose. Other enzymes that perform a similar function include sucrase, maltase, glucoamylase, and isomaltase.
Acarbose is the most commonly used Alpha-glucosidase inhibitor taken orally. AGIs are initiated with a lower dosage taken three times with the meal. Acarbose inhibits the action of enzymes like alpha-amylase, maltase, sucrase, and dextranase.
Due to the action of AGIs to inhibit the carbohydrate converting enzymes, they are named so. And with this preference, AGIs are used to delay glucose absorption.
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Related Questions
A gene regulatory protein, A, contains a typical nuclear localization signal but surprisingly is usually found in the cytosol. When the cell is exposed to hormones, protein A moves from the cytosol into the nucleus, where it turns on genes involved in cell division. When you purify protein A from cells that have not been treated with hormones, you find that protein B is always complexed with it. To determine the function of protein B, you engineer cells lacking the gene for protein B. You compare normal and defective cells by using differential centrifugation to separate the nuclear fraction from the cytoplasmic fraction, and then separating the proteins in these fractions by gel electrophoresis. You identify the presence of protein A and protein B by looking for their characteristic bands on the gel. The gel you run is shown below.
On the basis of these results, what is the function of protein B? Explain your conclusion and propose a mechanism for how protein B works.
Answers
The function of protein B is to isolate protein A in the cytoplasm.
From the given information it can be concluded that protein B functions by sequestering protein A in the cytoplasm. It is probable that protein B is a sizeable protein and also lacks a nuclear localization signal. Protein B can neither pass across the nuclear pore nor can it be actively migrated there.
The entry of a hormone or signals from the hormone into the cell is followed by binding of the hormone to one of the two proteins, i.e. protein A as well as protein B. In each of the two instances, the binding of hormones to either protein would be imagined to change the shape of protein A as well as/or protein B in such a way that both the proteins are not able to connect with each other.
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predict the evolutionary based on their structures
Answers
what is the difference between behavior and homeostasis
Answers
Answer:
To maintain homeostasis, organisms must constantly respond to external and internal stimuli. behavior - set of actions taken by an organism in response to a stimulus. Many animals must decide to fight or flee when in danger.
Explanation:
Answer:homeostasis
Explanation:
the homeostasis focuses on the real person and the behavior only focuses on the actions
Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this individual is able to adjust the salt concentration of its body fluids, its salt concentration will have:____.
Answers
If the invertebrate living in an estuary can adjust the salt concentration of its body fluids, its salt concentration will have relatively constant despite the cyclic changes in salinity caused by the tides.
This ability to regulate salt concentration, known as osmoregulation, is essential for organisms living in environments with fluctuating salinity levels. Depending on the invertebrate species and its physiological adaptations, it may be able to maintain a constant internal salt concentration by actively transporting salts in and out of its body or by excreting excess salts through specialized structures. The ability to osmoregulation is critical for the survival and functioning of many aquatic organisms, including those living in estuaries.
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A food web is represented below.
Mountain lion
Hawk
SS
Snake
23
Ow
Frog
Rabbit
Mouse y
Deer
Cricket
Shrubs
Grass
Trees
A continuous decrease in the size of the rabbit population would most likely cause a decrease in which other population?
Answers
Answer:
The frog population
Explanation:
Because the frogs will no longer have food to eat and might die from starvation. The decrease in the rabbit population affects them directly.
What is the hybridization of the carbon atoms numbered 1 and 2, respectively, in this structure?
Answers
Hybridization exists the idea of combining two atomic orbitals to create a brand-new category of hybridized orbitals.
The hybridization of the carbon scraps numbered 1 and 2, respectively, in this structure is,
\(CH_{2} =C=CH_{2}\)
What is hybridization?The process of two complementary single-stranded DNA and/or RNA molecules joining together to generate a double-stranded molecule exists comprehended as hybridization in the context of genomics. The proper base pairing between the two single-stranded molecules exists necessary for the bonding. Hybridization exists the idea of combining two atomic orbitals to create a brand-new category of hybridized orbitals.Hybridization exists the mating of genetically differentiated individuals or groups and may involve crossing individuals within a species (even comprehended as line crossing or strain crossing) or crossing individuals between different species. This intermixing typically results in the formation of hybrid orbitals having entirely different energies, shapes, etc.
The hybridization of the carbon scraps numbered 1 and 2, respectively, in this structure is,
\(CH_{2} =C=CH_{2}\)
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What is the name of the process in which molecules move from an area of high concentration to an area of low concentration across a
selectively permeable membrane?
Answers
Answer:
Diffusion.
Explanation:
when molecules move from an area of high concentration (large amount) to an area of low concentration (low amount). ... In simple diffusion, molecules that are small and uncharged can freely diffuse across a cell membrane.
The sex cells produced through meiosis each have _____.
a single chromosome from the original cell
one chromosome from each pair in the original cell
half of the chromosome pairs from the original cell
pairs of chromosomes identical to the original cell
Answers
Hope this helps! Please give brainliest! ❤️
A group of students set up the following lab to demonstrate the effect of solar heat on the ocean.
URGENT. NEED IT NOW.
Answers
The effect of the ocean the water current in the experiment is heated from the bottom while the ocean is heated from the top. The correct option is c.
What is solar heat?Solar heating refers to the process of using sunshine to warm water or indoor air. Solar heating comes in two flavors: passive and active.
Active solar heating systems transmit the heated fluid—either liquid or air—directly to the interior area or to a storage system for later use. An auxiliary or backup system delivers the extra heat if the solar system is unable to offer sufficient space heating.
Therefore, the correct option is c.
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6. Let the hemoglobin levels of healthy men be a random variable, \( \mathrm{X} \). According the National Library of Medicine hemoglobin levels of healthy men are normally distributed with a mean of
Answers
According to the National Library of Medicine, the hemoglobin levels of healthy men are normally distributed with a mean (μ) and a standard deviation (σ). The normal distribution provides a mathematical model to understand the distribution of these hemoglobin levels and make statistical inferences based on their values.
Let's denote the random variable representing the hemoglobin levels of healthy men as X. According to the National Library of Medicine, these hemoglobin levels are normally distributed with a mean (μ) and a standard deviation (σ).
In statistical terms, we can express this as:
X ~ N(μ, σ)
The mean (μ) represents the average hemoglobin level of healthy men. It is the central value around which the distribution is centered. The standard deviation (σ) measures the variability or spread of the hemoglobin levels. A larger standard deviation indicates a wider range of values from the mean.
Being normally distributed means that the values of X follow a bell-shaped curve known as the normal distribution. The normal distribution is symmetrical, with the mean at the center and the probabilities of different values decreasing as we move away from the mean. The shape of the curve is determined by the values of μ and σ.
The normal distribution is a widely used statistical model that allows us to make various predictions and calculations about the hemoglobin levels of healthy men. For example, we can calculate the probability of a man having a hemoglobin level within a certain range or estimate the percentage of men with hemoglobin levels above or below a specific value.
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Millions of people
WORLD POPULATION GROWTH
20,000
10,000
World
5,000
Asia
2,000
1,000
Europet
500
200
Mexico,
100 Central America,
50 Caribbean Islands, &
South America
20
10
1950
1960
1970
Africa
United States,
Canada, & Greenland
Oceania (Australia &
nearby islands in the Pacific)
1990
1980
2000
2010
2020
2030
2040
2050
Year
Based on the information in the graph, what is the best conclusion to draw
about Africa?
Answers
Answer:
5 is the best conclusion draw for Africa
Both parents have Bi blood type. what blood types could their children have
Answers
Answer:
If both parents have the same blood type then their children would also have the same just like if they have the same eye or hair color
Answer:
B or O
Explanation:
Two parents with B blood type can be either B or O blood type. One parent with A and another with B can produce a child with A, B, AB or O blood types. If one parent has A and another has AB, they can either produce a child with A, B or AB blood types.
13. The geological theory that states that pieces of Earth's outer layer are in
constant, slow motion is the theoryof *
subduction.
plate tectonics.
sea-floor spreading
deep-ocean trenches.
Answers
Answer
sadc
Explanation:
sdsdsdd
In the vestibule of the inner ear, what are the utricle and saccule function?
Answers
The utricle and saccule are two structures in the vestibule of the inner ear, which is responsible for detecting changes in linear acceleration and head position.
Both the utricle and the saccule contain specialised sensory cells called hair cells and are filled with a fluid called endolymph. These hair cells are in charge of detecting the movement of otoliths, which are tiny calcium carbonate crystals located on top of the hair cells.
The utricle and saccule work together to keep the body balanced and oriented by sending information to the brain about the position and movement of the head.
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are there any element or molecule that oxygen reacts violently to
Answers
. Fast-twitch muscle fibers are:
A.
The fastest to contract and the slowest to tire out.
B.
The fastest to contract and produce the most power.
C.
Produce the least power and are the fastest to tire out.
D.
Produce the least power and are the slowest to
Answers
Fast-twitch muscle fibers are the fastest to contract and produce the most power. Option B is correct.
Fast-twitch muscle fibers, also known as type II fibers, are one of two types of skeletal muscle fibers, the other being slow-twitch (type I) fibers. Fast-twitch fibers contract quickly and forcefully, making them capable of producing high levels of power and speed, but they also fatigue quickly.
Fast-twitch fibers are further divided into two subtypes, type IIa and type IIb, with type IIb fibers being the fastest and most powerful. Type IIb fibers are primarily used for short bursts of high-intensity activity, such as sprinting or powerlifting.
In contrast, slow-twitch fibers contract more slowly and are better suited for endurance activities, such as distance running or cycling. They are more resistant to fatigue and have a higher capacity for oxidative metabolism, which allows them to produce energy from aerobic respiration. Option B is correct.
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7. This pedigree is tracking dimples which are autosomal dominant. If this infomation was not given how could you deduce that this was in fact an autosomal trat, and not an X- linked trait? Provide a specific example from the ped gree:
Answers
The pedigree is not found here, but it is possible to track the inheritance of an autosomal/X linked trait by observing its presence in the family tree.
What is a pedigree?A pedigree is a genealogical tree used to track the inheritance pattern of a given trait in a family tree, which can be dominant or recessive.
An autosomal dominant trait is inherited in a dominant fashion and it is located on a pair of homo-logous autosomal chromosomes.
An X-linked trait is inherited on chromosome X and these traits show differential inheritance because males inherit only one X chromosome.
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Long-term studies of Belding's ground squirrels show that immigrants move nearly 2 kilometers from where they are born and become 1%- 8 % of the males and 0.7 %-6 % of the females in other populations. On an evolutionary scale, why is this significant? A. These immigrants make up for the deaths of individuals, keeping the other populations' size stable. B. These immigrants provide a source of genetic diversity for the other populations. C. Those individuals that emigrate to these new populations are looking for less crowded conditions with more resources. D. Gradually, the populations of ground squirrels will move from a clumped to a uniform population pattern of dispersion.
Answers
The correct option is (B) These immigrants provide a source of genetic diversity for the other populations.
Migration is essential for maintaining genetic diversity among populations.
How is genetic diversity impacted by immigration?New alleles are introduced to an existing population when new, genetically distinct individuals enter it. By generating novel allele combinations through mating, the new organisms increase the genetic diversity of the species as a whole. Increasing heterozygosity and allelic richness, both of which are essential for population persistence, is the main way that immigration benefits populations. While allelic richness is directly related to the capacity for adaptation and long-term sustainability of populations, heterozygosity is of immediate consequence to both individual and community fitness.Learn more about the Genetic diveristy with the help of the given link:
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Which statement defines a magnet?
1. An object that applies a force on electric fields.
2. An object that attracts or repels electrically conductive metals.
3. An object that can attract or repel other magnets and certain metals.
4. An object that applies a force on objects with mass.
Answers
Answer:
1. An object that applies a force on electric fields
Explanation:
Answer:
1. An object that applies a force on electric fields.
Explanation:
A magnet carries an electric force, therefore repelling or attract others with an electric force.
Through increasing research and public health efforts, preterm delivery has become mostly preventable. True of False
Answers
Through increasing research and public health efforts, preterm delivery has become mostly preventable. False.
A preterm delivery is when a baby is born before the 37th week of pregnancy. Babies born at this stage of pregnancy are often referred to as premature or preterm babies. Babies born before the 37th week of pregnancy are at a higher risk of developing complications. Respiratory distress syndrome, apnea, infections, and anemia are just a few of the common health problems that premature infants face, and some may have developmental problems in the long term.
Through research and public health initiatives, preterm delivery can be mostly preventable, true or false?False. While scientists and public health practitioners are working to find methods to prevent premature delivery, preterm delivery remains a major health issue worldwide. Despite advancements in prenatal and neonatal care, preterm delivery is still the leading cause of neonatal mortality and morbidity, with long-term consequences for both the infant and the family.
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Consider the following two statements about succession.
Student 1:
Matthew - As succession begins, communities tend to be dominated by mostly K-selected species. As succession continues, r-selected species tend to compete better and therefore become more and more common.
Student 2:
Iman - As succession begins, communities tend to be dominated by mostly r-selected species. As succession continues, K-selected species tend to compete better and therefore become more and more common.
Which student is correct?
a. Provide a rationale for your answer (2 marks)
b. Provide a specific example of succession which includes at least one example of an r-selected and one example of a K-selected species. (1 mark)
Note - No marks are earned by simply agreeing with either Matthew or Iman
Answers
Warm fronts are characterized by
A. very hot temperatures.
B. A sudden rise in extremely hot and cold temperatures.
C. a slow rise in temperature, and humidity with light rain.
D. warm are being pushed out by cold air.
Answers
Answer:
D. Warm air is pushed upward by cold air.
Explanation:
1. Compare and contrast gray matter and white matter with regard to structure, location, function, cell types, etc.
2. Compare and contrast unmyelinated and myelinated axons with regard to structure, function, conduction, location, cells, etc.
3. How do interneurons contribute to the overall function of the nervous system
Answers
1. Gray matter contains neural synapses and dendrites, while white matter contains axon tracts covered in myelin.
2. Myelinated axons are associated with Schwann cells (in the peripheral nervous system) or oligodendrocytes (in the central nervous system).
3. Interneurons enable reflexes, coordinate voluntary movements, relay information between sensory and motor neurons, and contribute to higher cognitive functions.
1. Gray matter is composed of neuron cell bodies and is found in the outer layers of the brain and the inner regions of the spinal cord. It is involved in information processing and integration. White matter consists of myelinated axons and is located beneath the gray matter. It facilitates communication between different areas of the brain and spinal cord.
2. Unmyelinated axons lack a myelin sheath and are found in both gray and white matter. They conduct nerve impulses more slowly but are more widespread. Myelinated axons have a myelin sheath that increases conduction speed and are primarily found in white matter.
3. Interneurons are located within the central nervous system and play a crucial role in information processing and communication between sensory and motor neurons. They integrate and interpret signals, allowing for complex responses and modulation of neuronal activity.
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Describe the key steps to making a solution of a certain concentration: (e.g. First, next, etc.)
Answers
Answer:
The key steps to making a solution of a certain concentration are:
1. Determine the desired concentration: The first step in making a solution of a certain concentration is to determine what the desired concentration is. This will depend on the specific application of the solution.
2. Calculate the amount of solute needed: Once you know the desired concentration, you need to calculate the amount of solute (the substance being dissolved) that you need to add to the solvent (the liquid used to dissolve the solute) to achieve the desired concentration. This calculation depends on the molecular weight and purity of the solute.
3. Measure out the solute: After calculating the amount of solute needed, measure out the exact amount of solute required using a laboratory balance or other accurate measuring device.
4. Add the solute to the solvent: Carefully pour the measured solute into the solvent while stirring gently. It is important to dissolve the solute completely in the solvent.
5. Verify the concentration: Once the solute has been completely dissolved in the solvent, verify the final concentration by measuring it using appropriate laboratory instruments such as a spectrophotometer or titration apparatus. If necessary, adjust the concentration by adding more solute or solvent until the desired concentration is achieved.
6. Label and store the solution: Finally, label the solution with its identity, concentration, date of preparation, and any other relevant information. Store the solution according to appropriate guidelines for the particular type of solution, such as refrigeration or storage in a dark location.
The half-life of carbon-14 is approximately 6000 years. How much of 800 g
of this substance will remain after 30,000 years?
Answers
Answer:
25 g will be left after 30,000
Explanation:
First how many time it decays in 30,000 years: 30,000 ÷ 6000
The answer will be 5 times, it decays.
Now use the formula:
\(\frac{m}{2^n}\) ............where m is mass and n is number of times it decays.
Here given mass is 800 g and decays 5 times
Using the formula:
\(\frac{800}{2^5}\)
25 g
what is tolerance(explanation)
Answers
Answer:
Tolerance is an organisms ability to survive under so many conditions
Explanation:
Answer:
This is withstanding a situation
Explanation:
Atom A has six protons , five neutrons and five electrons. Atom B five protons , six neutrons, and five electrons . Are atoms A and B of the same element ?
1. no, because they do not have the same number of protons
2. no, because they do not have the same number of neutrons
3. yes , because they have the same number of electrons
4. yes , because both have 16 protons , neutrons, and electrons combined
Answers
Answer:
no, because they do not have the same number of protons
Explanation:
No of protons represents atomic number which decides the characteristics of an atom . Two atoms having same number of protons but different number of neutrons are same element . They differ only in some physical characteristics . They are called isotopes . In respect of chemical properties they are same . In a neutral element number of protons and number of electrons are same . But in some case number of electrons may differ . In that case they form ions of the element . In positive ion , number of electrons is shorter than number of protons .
In the present case , atom A and atom B differ in respect of number of protons so they represent different element .
Based on the map, which statement is accurate?
A. Resources that are used to make coconut oil are found near the
equator.
B. Resources that are used to make coconut oil are found only in the
northern hemisphere.
C. Resources that are used to make coconut oil are found on every
continent.
D. Resources that are used to make coconut oil are found only in the southern hemisphere.
Answers
Based on the map, Resources that are used to make coconut oil are found only in the northern hemisphere. Therefore, option (B) is correct.
Coconut oil, which comes from the coconut tree (Cocos nucifera), is also widely used for food resources and industry in tropical and subtropical regions of the world. The coconut oil generally delivered in West Africa is made by pounding and squeezing copra to remove the oils.
Medium-chain triglycerides (MCTs), a type of saturated fat, are abundant in coconut oil. Saturated fats can be broken down into three general subgroups, each of which resources has distinct effects on the body.
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You can only transport polar substances using
Answers
facilitated diffusion
Explanation:
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Mackenzie likes to study alone in a room in her school's library, but it's been in use the past few times she’s tried to study there. What should Mackenzie do since she likes to study in that particular room?
Answers
she should get out of her comfort zone and try new places that could also work, like an empty class or outside