Some people cannot digest the lactose found in milk. This person's digestive system is deficient in any of the following. The ability of the body to produce lactose.
Sugar is found in milk. It is a disaccharide containing glucose and galactose units. When a person with lactose intolerance consumes dairy products, lactose from these components can enter the intestines and cause gas, cramps, bloating, and diarrhea. Some people can eat small amounts of dairy without any problems. Others have stomach problems and want to avoid all dairy products. Signs of lactose intolerance include nausea, cramps, gas, bloating, or diarrhea within 30 minutes to 2 hours after drinking milk or dairy products. Symptoms occur because the scaffold does not produce enough lactase to digest the ingested lactose.
Lactose is one of the main components of human and animal milk. As a disaccharide containing glucose and galactose, lactose has a fortifying effect on milk. Eggs are not mammals and come from birds, including chickens, ducks, or quails that do not currently produce milk. Eggs are rich in protein and contain many essential vitamins and minerals. They no longer contain lactose, so they can be eaten by people with lactose intolerance and who are allergic to eggs.
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How many sugar molecules does DNA and Nucleotide have?
Fossil fuels, such as coal and oil, get their names because they form from fossilized organisms trapped under extreme pressure and heat from the center of Earth. Explain how the model shows the requirements for fossil fuel formation.
Model is in the picture.
Thank you.
Oil belongs to the petroleum category, and matter is converted into oil. Organic matter can also be converted to natural gas under high enough pressure. The two primary forces that convert organic matter into fossil fuels are heat and pressure.
What exactly fossil fuels are?A fossil fuel is a naturally occurring hydrogen-containing material found in the earth's crust from the remains of dead plants and animals that must be extracted and burned as a fuel.
Fossils are a natural source of energy formed by the decomposition of plants and animals. Fossil fuels were discovered in the earth's crust and contain carbon and hydrogen, which can provide energy when burned. Natural gas is typically discovered in pockets above oil deposits. It has also discovered where natural oil must be found.Coal, oil, and natural gas are the most common types of fossil fuels. Coal is a material that is typically found in sedimentary rock deposits where rock and plants have been buried for an extended period of time. Oil was discovered as a solid material between layers of sedimentary rocks, such as shale. This substance has been heated and converted into gasoline.To learn more about fossil fuels refer to :
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type of transport where potassium levels remain _ (higher/lower) inside than out, while sodium levels remain _ (higher/lower) outside than in.
PLS HELP
Active transport where potassium levels remain (higher/lower) inside than out, while sodium levels remain (higher/lower) outside than in.
Where does the body use active transport?Small intestine
In humans, the ileum is where food is digested during the active transit process (small intestine). After some time has passed after food has been absorbed by the villi, the concentration of food molecules increases, at which point no more food can diffuse in.
High concentrations of substances the cell needs, like ions, glucose, and amino acids, are typically accumulated during active transport. Active transport examples include the uptake of glucose in human intestines and the uptake of mineral ions into plant root hair cells.
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Explain how animal poisons work on the cell membrane.
Animal poisons work on the cell membrane by causing reaction with it which damages the structure of the cell membrane.
What actions of the poisons occur on the membrane?The structures of poisons are not similar to those chemicals that are essential to cells. Very few poisons are absorbed by active transport when a toxic level of the chemical is collected in the cells of the specific tissue or organ, which results in the disrupts of the cell from its normal structure or function. Symptoms of poisonous chemicals then develop, and, if the toxicity is severe , death may occur. Diffusion, facilitated diffusion, active transport are the types of chemical transport systems through cell membranes. Lipophilic is a nonpolar chemicals that dissolve in the lipid bilayer.
So we can conclude that animal poisons are neurotoxic that cause actions on the cell membrane.
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The hydrogen bonding of water molecules results in water molecules having a higher?
Answer:
Boiling point
Explanation:
Answer:
Boiling Point
Explanation:
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Five fundamental processes by which nitrogen is fixed through the biosphere, air, and geosphere are nitrogen fixation, nitrogen take-up through organismal development, nitrogen mineralization through rot, nitrification, and denitrification.
Nitrogen fixation is the method wherein N2 is changed over to ammonium, or NH4+. Usually, the as it were way that living beings can achieve nitrogen straightforwardly from the environment; the few that can do this are called nitrogen-fixing life forms.
Certain microscopic organisms, counting those among the class Rhizobium, can settle nitrogen.
The ammonium (NH4+) delivered by nitrogen-fixing microbes is as a rule rapidly taken up by a plant, the microbes itself, or another soil living being and consolidated into proteins and other natural nitrogen compounds, like DNA.
After nitrogen is consolidated into the natural matter, it is regularly changed over back into inorganic nitrogen by a preparation called nitrogen mineralization, something else known as decay.
A few of the ammonium created by decay is changed over to nitrate (NO3-) using a preparation called nitrification.
Denitrification is an anaerobic preparation that's carried out by denitrifying microbes, which change from nitrate to dinitrogen.
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if you are taking measurements from the open ocean and suddenly find an area in which the water temperature is unusually cool and there is unusually abundant plankton then you have probably found a(n) zone.
If you are taking measurements from the given ocean conditions and there is unusually abundant plankton then you have probably found a(n)upwelling zone.
The majority of plankton species are minuscule and frequently less than an inch long, but they also include some larger species like certain crabs and jellyfish. Plankton is divided into different groups by scientists based on their size, kind, and amount of time spent drifting. All ocean ecosystems contain marine plankton, which is essential for preserving the harmony and health of the ocean and its intricate food webs.
Both the food we eat and the air we breathe are supported by the oxygen, nutrients, and biomass plankton create. An oceanographic phenomenon known as upwelling involves the movement of dense, colder, and frequently nutrient-rich water from deep water to the ocean's surface, propelled by the wind. It takes the place of the typically nutrient-poor, warmer surface water.
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a scientist discovers a chemical in certain rocks that kills bacteria when it is mixed with sterile water in a test tube. she cannot market extracts that contain this chemical as a dietary supplement, because it
Scientists cannot market extracts that contain this chemical that can kill bacteria as a dietary supplement because it does not contain dietary ingredients.
In the field of medicine, we can describe dietary supplements as such kinds of medications that help to improve the nutrient levels in an individual and also help in treating various kinds of health-related issues. However, it is important that each dietary supplement be approved by the FDA before they are launched in the market.
In the scenario above, the scientist cannot market extracts that contain a chemical that kills bacteria as rocks are not dietary ingredients. Only those ingredients that can be consumed by humans and come under the list of dietary ingredients can be used as a dietary supplement after the FDA has approved it.
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Murray is observing a bacterial colony that is growing in agar in a Petri dish. Agar is processed seaweed. Murray calculates that the population doubles in size every 32 hours.
Which conclusion is supported by Murray's observations?
A. The agar and air in the Petri dish are providing all of the resources needed by the bacteria.
B. The bacterial colony is growing in all regions of the agar in the Petri dish.
C. The bacterial colony will continue doubling in size indefinitely.
D. The agar and air in the Petri dish are limiting factors on the growth of the bacterial colony.
Please get me a good explanation
The conclusion that is supported by Murray's observations is the agar and air in the Petri dish are providing all of the resources needed by the bacteria.
This is further explained below.
What is agar?Generally, Agar, also known as agar-agar, is a material that has the consistency of jelly and is made up of polysaccharides.
These polysaccharides are extracted from the cell walls of certain species of red algae, most commonly ogonori and "tengusa."
The linear polysaccharide agarose and a heterogeneous combination of smaller molecules known as agaropectin are the two components that combine to form agar. Agar is a mixture of these two substances.
In conclusion, The conclusion that is reinforced by the findings made by Murray is that the agar and air that are contained inside the Petri dish are supplying all of the resources that are required by the bacteria.
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A car accelerates from 25 mi/hr to 55 mi/hr in 0.0083 hr. What is its acceleration?
The acceleration of the car, given it accelerated from 25 mi/hr to 55 mi/hr in 0.0083 hr is 3614.46 mi/hr²
How to determine the accelerationThe formula for calculating acceleration is given as follow:
a = (v – u) / t
a is the acceleration v is the final velocity u is the initial velocity t is the timeThe acceleration of the car can be obtained as illustrated below:
Initial velocity (u) = 25 mi/hr Final velocity (v) = 55 mi/hrTime (t) = 0.0083 Acceleration (a) =?a = (v – u) / t
a = (55 – 25) / 0.0083
a = 30 / 0.0083
a = 3614.46 mi/hr²
Thus, we can see clearly that the acceleration of the car is 3614.46 mi/hr²
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Read the passage from William Jennings Bryan's "Cross of Gold" speech.
Determine which two highlighted sentences would best support Bryan's claim that cities need farms more than farms need cities.
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"There are two ideas of government. There are those who believe that if you just legislate to make the well-to-do prosperous, that their prosperity will leak through on those below. The Democratic idea has been that if you legislate to make the masses prosperous their prosperity will find its way up and through every class that rests upon it. You come to us and tell us that the great cities are in favor of the gold standard. I tell you that the great cities rest upon these broad and fertile prairies. Burn down your cities and leave our farms, and your cities will spring up again as if by magic. But destroy our farms and the grass will grow in the streets of every city in the country."
The sentences that shows that the cities needs the farms more than the farms need the cities would be:
great cities rest upon these broad and fertile prairies.destroy our farms and the grass will grow in the streets of every city in the country.What was the cross of gold speech?The cross of gold speech can be defined as the speech that was made by William Bryan as he intended to be able to get the speech to serve him two purposes.
First he was in agreement of having silver to be a part of the economy of the United States just as silver was also used at the time.
Also he wanted the speech to be able to get him the nomination as the president from the democratic party.
In the speech we can see the two points that he made on farming. He said that the great cities of the nations relied on the fertile prairie lands and if the people should burn the farms they would have grasses growing on all parts of the cities in the nation.
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The sensory system that controls and monitors the positions of various parts of the body is called the __________ system. a. gustatory b. olfactory c. kinesthetic d. vestibular please select the best answer from the choices provided a b c d
The sensory system that controls and monitors the positions of various parts of the body is called the c. kinesthetic system.
In the field of biology, we can define a kinesthetic system as a kind of system that lets the body of a person be aware of the movements and positioning of the body. Through the kinesthetic system, an individual becomes aware of the movements that are undergoing in any part of his body.
In the kinesthetic system, any kind of movement or positioning shown by the muscles as well as the joints are controlled and monitored. The kinesthetic system is a part of the sensory system.
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How would these cells appear under a microscope at a higher magnification? What
parts of the cells would be visible?
This transmission electron micrograph clearly shows the cell wall, nucleus, vacuoles, mitochondria, endoplasmic reticulum, Golgi apparatus, and ribosomes.
How do you magnify cells to view them more clearly?Once you can see the cells, carefully turn the coarse focus slider. Once the cells are in focus and are clearly visible, carefully turn the fine focus knob. To see the cells in greater detail, repeat steps 1 through 5 with the higher power magnification.
So, to study cells, scientists utilize microscopes. Compared to light, electron microscopes offer greater magnification, more resolution, and more detail.
Under a light microscope, the nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall can all be seen as organelles. Although mitochondria can still be seen under a light microscope, extensive investigation is not possible.
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NEED HELP ASAP PLEASE!
4. What determines the structure of the catalase molecule?
Answer:
The catalase reaction is dependent on the substrate concentration. If you have an excess of enzyme but not enough substrate, the reaction will be limited by the substrate availability.
The activity of catalase enzymes determines the structure of catalase molecules. This is because it has two enzymatic activities and depending on the concentration of hydrogen peroxide, it has to change its structure.
What is the function of the catalase enzyme?The function of the catalase enzyme is to accomplish neutralization through the process of decomposition of hydrogen peroxide. Due to this, the optimum level of molecules is maintained within the cell.
Catalase enzyme is the key enzyme that is tetrameric in nature and consists of four identical subunits. Each of them contains a heme group and NADPH.
The reaction of catalase significantly depends on the concentration of substrate. For example, if catalase is treated with the excess of the enzyme but not enough substrate, the reaction will be limited by substrate availability.
Therefore, the determination of the structure of the catalase molecule is well described above.
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Which region of the brain is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks?.
According to the research, the correct answer is amygdala. The region of the brain that is the one involved in processing emotional reactions and is found to be larger in individuals with large, complex social networks is called amygdala.
What is amygdala?It is a nervous center made up of several nuclei, located at the pole of the temporal lobe and intervenes in the emotional component of behavior and in memory.
In this sense, this element participates in the regulation of emotions that are related to aggression, changes in moods and behaviors and is found that the larger this small brain structure, the more varied and complex the person's social networks.
Therefore, we can conclude that the amygdala is a brain structure that responds to certain environmental stimuli by processing emotional reactions.
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what is a explanation to the benefit to biodiversity and medicine?
The benefits of biodiversity and medicine includes:
Biodiversity helps fight diseases. Biodiversity ensures health and food securityBiodiversity provides sources of livelihoodsBiodiversity makes the earth habitableWhat is biodiversity?Biodiversity also known as biological diversity is the variety and variability of life on Earth. It is a measure of variation at the genetic, species, and ecosystem level. Biodiversity refers to the huge variety of all organisms present on the Earth, which conform to the natural world.
Biodiversity in the ecosystems provide solutions that are nature-based that protects us from natural disasters such as floods and storms, filter our water and regenerate our soils.
Higher rates of biodiversity have been linked to an increase in human health. Most plants are used in the manufacturing and production of drugs.
Biodiversity helps in promoting global nutrition and food security. Millions of plants and animal species work together to provide us with a large array of fruits, vegetables and animal products essential to a healthy, balanced die.
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Which model supports the idea that, as matter flows between systems,
elements are recombined in different ways?
The model supports the idea that as matter flows between systems,
elements are recombined in different ways is the Matter Cycle Model
The Matter Cycle ModelThis model explains that matter cycles through the environment in a continual cycle, with elements being reused and recombined in different ways. This cycle includes the processes of photosynthesis, respiration, decomposition, and remineralization.
The continual movement of matter from one location to another can have either good or harmful effects. Both naturally and as a result of human activity, matter cycles.
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what is the sepific gravity of 38 grams
Answer:
answer is 372.81
Explanation:
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How do dying stars contribute to the formation of new stars?
A.
The light elements they expel form new nebulae.
B.
Their core is absorbed by neighboring nebulae.
C.
Their radiation facilitates nuclear fusion in young stars.
D.
They transform into a gravitational field that attracts hydrogen.
Fat and ATP are different molecules that can both be described as molecules that store energy. Compare the functions of these molecules in terms of energy storage.
a
ATP molecules are made when where there is an excess amount of energy, while fat molecules are used immediately.
b
ATP molecules are used for long-term storage, while fat is used for immediate energy.
c
Fat molecules are stable and can be stored for a long time, while ATP is not.
d
Fat molecules are unstable and can be stored short-term, while ATP molecules are stable and stored long term.
Answer:
The correct answer is C, fat molecules are stable and can be stored for a long time, while ATP is not.
Explanation:
I got it right on the exam
what projection represent the true shapes and sizes of land areas
Answer:
Robinson projection
Explanation:
Robinson’s map is more accurate than a Mercator projection. The shapes and sizes of continents are closer to true. Robinson's map is best within 45° of the equator. Distances along the equator and the lines parallel to it are true. However, the scales along each line of latitude are different. In 1988, the National Geographic Society began to use Robinson’s projection for its world maps.
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suppose a biologist wants to measure the repirtory rate of yeast cells fed varying concentrations of glucose. she sets up five beakers and in each puts 3g
Respiratory rate on the Y axis and Mass of sugar on the X axis
In the presence of oxygen, yeasts consume glucose to release energy; as glucose has a greater rate of respiration, more glucose causes yeasts to respire more quickly. This cellular respiration generates water, energy, and carbon dioxide.
Yeast will produce more carbon dioxide at higher temperatures, which will result in more bubbles developing. The rate of respiration will decrease whenever the temperature rises above a particular level.
In a test, Sarah discovered that using glucose as a substrate, 1 g of yeast produced 20 cm 3 of carbon dioxide in three minutes.
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Which characteristic(s) of water helps it to move up through a plant stem?
cohesion
adhesion
passive transport
gravity
(It’s multiple choice)
Answer:
cohesion
Explanation:
I can't explain but I think it's correct
if you touch the dorsal part of your hand near the thumb with the tip of a pencil, you may notice the sensation of cold, even though the pencil lead is at room temperature. what is this called?
if you touch the dorsal part of your hand near the thumb with the tip of a pencil, you may notice the sensation of cold, even though the pencil lead is at room temperature, called labeled line coding Summation units.
labeled line coding Summation units are frequently used in theories of numerosity representation because neurons that encode simply sensory magnitude typically exhibit monotone response functions. The limited range of tested numbers in these investigations prevented a conclusive conclusion, however cells expressing numerical quantity show nonmonotonic tuning functions that peak at their chosen numerosity ("labeled-line code").
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Forty years ago, rainforests once covered over 14% of the Earth’s land surface and now cover a mere 6%. Some sources state that every second we lose over an acre of this precious land containing nearly half the world’s species of plants, animals, and microorganisms to deforestation. One reason for the deforestation of rainforests has been to attain land for the purpose of agriculture. Humans have destroyed a vast diversity of species for the sake of growing eight basic grains. Growing only one type of species in a large area of land is known as a monoculture. Which of the following would not be a harmful side effect of monocultures? * 1 point extinction of native plant and animal species disease may lead to the elimination of the entire crop an increase in sulphur dioxide emissions leading to acid deposition loss of possible cures to diseases
An increase in sulfur dioxide emissions leading to acid deposition is not an example of monoculture.
What are the harmful effects of monoculture?In the field of agriculture, monoculture is the practice of growing one crop on the land at one time. Monoculture is used in intensive as well as organic farming. Raising a single crop has a big disadvantage as it increases the risk of disease and pest infestation because monocultures have no plant and animal species that prevent the spread of disease as well as control pests through predation. In a monoculture system, farmers can spend less time on their lands and get higher productivity. Planting monoculture fields also allows farmers to buy seeds, fertilizers, and pesticides in large amount because it is needed in large amount. During monoculture, no increase occurs in sulfur dioxide emissions in the atmosphere.
So we can conclude that an increase in sulfur dioxide emissions leading to acid deposition would not be a harmful side effect of monocultures.
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Salivary amylase is an enzyme that begins breaking down carbohydrates while the food is still in the mouth. Once the food passes into the stomach, what happens to the salivary amylase?.
The salivary amylase does not function once it reaches the stomach after the good from mouth is passed to it.
Salivary amylase is an enzyme that breaks down carbohydrates right in the mouth. When it is passed to the stomach, the acidic ph of stomach denatures this enzymes and causes it to change it's shape. Consequently, the enzyme stops functioning.
Like most other enzymes, salivary amylase is a protein. At a pH between 6.5 and 7.0, it operates most effectively. More acidic or basic environments result in altered protein folding, which reduces the enzyme activity of the molecule.
The stomach's pH is typically between 1.0 and 2.0, which is very acidic. Salivary amylase's protein structure denatures and changes form at this pH level. As a result, when salivary amylase reaches the stomach, it is inactive.
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30 POINTSSSSS !!!!!!!!!! NEEEED HELPPP what is a organism (NOT A PLANT) that uses chemosynthesis, photosynthesis, and cellular respiration??
Answer:
Bacteria and Fungi uses the above.
Answer:
Bacteria and fungi.
Explanation:
according to the graph what condition is best for enzyme activity?
According to the graph 40 Celsius degrees is the better condition for enzyme activity because it increases the rate of reaction.
What is the rate of reaction?The rate of reaction refers to the conditions in which an enzyme is working in order to convert given reactants into one or more products of such chemical reaction. This rate is very variable depending on the intrinsic properties of the enzyme and environmental factors that alter its activity.
In the image, we can observe that the enzyme has differential rates of reaction depending on the temperature.
Therefore, we can conclude that the rate of reaction of an enzyme largely depends on the condition in which the enzyme works such as in this case the temperature factor.
The question is incomplete because the figure is missing, but please find attached below the figure indicating enzyme activity conditions.
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How is it possible that the reactants and products for both chemical equations have the same quality of carbon, hydrogen, and oxygen atoms, yet the reactants and products are different molecules?
Answer: in a chemical reaction, the products and reactants will still have the same matter, just in a different form. The reason there is a reaction in the first place is the molecules are rearranged, but the matter that makes them up does not change.
Explanation:
If you burn dead matter would energy storage molecules increase?
If you burn dead matter, the overall energy of the storage molecules would decrease because it breaks chemical bonds that contain potential energy.
What is chemical energy?Chemical energy is a type of potential energy stored in the chemical bonds that form molecules. Burning has the ability to break chemical bonds, thereby relating energy and also decreasing the potential energy stored by the storage molecules.
Therefore, we can conclude that chemical energy is a type of energy stored in the bonds of compounds, which is released by burning and therefore it decreases the energy.
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