Describe the role that mouth plays in the digestive process.
Answers
Mouth breaks down food mechanically/chemically.
How does the mouth digest food?The mouth plays a crucial role in the digestive process by mechanically breaking down food into smaller pieces and mixing it with saliva, which contains enzymes that begin the chemical digestion of carbohydrates.
The tongue helps in moving food around the mouth and pushing it towards the teeth for grinding and chewing. The teeth, with the help of the jaw, break down the food into smaller pieces. The saliva also moistens the food and makes it easier to swallow.
The mouth also contains taste buds that help in determining the flavor of food, which can stimulate the digestive system. Overall, the mouth helps in the initial stages of digestion and prepares the food for further digestion and absorption in the digestive tract.
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Related Questions
describe the cell structures as seen under the electron microscope plant
Answers
Answer:
When seen under a microscope, a general plant cell is somewhat rectangular in shape and displays a double membrane which is more rigid than that of an animal cell an d has a cell wall. The cell often appears green in color due to the chlorophyll pigment within the chloroplasts.
3. Evaluate Information Sodium is an example of an alkali metal. The alkoli metals are
found in the leftmost column of the periodic table, known as Group 1. Use the interactive
periodic table to explore the properties of the following alkali metals: lithium (Li), sodium
(No), potassium (K), rubidium (Rb), and cesium (Cs). The animations demonstrate a chemical
property common to alkali metals: they react with water. How does the reactivity vary
among this group of elements? Why might patterns like this be useful to scientists?
Answers
Answer: This might be helpful because t is a good basis for organizing elements because each element has a unique number of protons and atomic mass is an indirect way of organizing elements by number of protons.
Which tissue type contains varying amounts of extracellular matrix?
Answers
Individual cells are dispersed throughout the extracellular matrix of connective tissue.
How much there extracellular matrix is in connective tissue?Contrary to epithelial tissue, which has little to no extracellular space between its tightly packed cells, connective tissue cells are spread across a matrix. The connective tissue cells implanted within the matrix typically create a significant amount of extracellular material.
Does epithelial tissue include a significant amount of extracellular matrix?Except for the basal lamina, which divides the epithelium from underlying tissue, cells in epithelial tissue are closely packed and have little to no extracellular matrix. The primary roles of epithelia include environmental protection, coverage, secretion and excretion, absorption, and filtration.
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What are examples of environmental influences?
Answers
The examples of environmental influences
chemical pollutionair pollutionclimate changedisease-causing microbeslack of access to health carepoor infrastructureand poor water quality.There is speculation that environmental factors can affect behavior both directly and indirectly. The indirect causal mechanism illustrates how cognitions that are specific to a behavior play a mediating role in the influence of the environment on behavior. A direct influence shows how the environment automatically and unconsciously affects behavior.
Certain behavioral and personal characteristics are hypothesized to modify the causal pathway (i.e., inducing either the automatic or the cognitively mediated environment – behavior relation). The EnRG framework also uses an energy balance approach, which encourages an integrated investigation of factors influencing nutrition and exercise.
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Give 3 examples of how organisms interact for reproduction.
Answers
Answer:
Here are three examples of how organisms interact for reproduction:
Sexual Reproduction in Animals: Two individuals of different sexes come together to exchange genetic material and produce offspring. This interaction often involves complex behaviors to attract mates, including courtship rituals and displays. For instance, peacocks display their extravagant feathers to attract peahens and birds perform elaborate mating dances. Once the mating is successful, the female typically lays eggs or gives birth to live young.
Pollination in Plants: Plants rely on pollination for reproduction, and they interact with various organisms to achieve this. An example is the interaction between flowers and pollinators such as bees, butterflies, birds, or bats. These organisms visit flowers to feed on nectar or pollen, transferring pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of the flowers. This transfer of pollen enables fertilization and the production of seeds.
Fungal Symbiosis: Some plants and fungi engage in mutualistic interactions for reproduction. Such interactions include the mycorrhizal associations between plant roots and fungi. The plant provides carbohydrates to the fungus, while the fungus aids in nutrient uptake for the plant by extending its mycelium (network of fine filaments) into the soil. The symbiotic interaction facilitates plant growth and reproduction.
Explanation:
Please help + I will give brainiest - Why do seismographs work best underground? Would a seismograph be accurate if they were located on top of Earth's surface?
Answers
Seismographs won’t be able to detect the small earthquakes if it was above ground because it moves when the ground shakes.
The chemical signals that travel from one neuron to another, enabling them to communicate with one another, are called:
Answers
Answer:
The chemical signal is called a neurotransmitter. Neurotransmitters allow the billions of neurons in the nervous system to communicate with one another.
Explanation:
hepatitis b virus is only found in the blood of 10 person .only 6 are suffering to it. why?
Answers
It is possible for a person to be infected with the hepatitis B virus and not show any symptoms of the infection. Such individuals are referred to as carriers of the virus. Carriers can transmit the virus to others even though they themselves are not suffering from the disease.
In the scenario you presented, it is possible that the remaining 4 individuals who have the virus are carriers and do not show any symptoms of the infection, while the other 6 are suffering from the disease and are showing symptoms. It is also possible that the 4 individuals who have the virus have not yet developed symptoms and may develop them later. It is important to note that hepatitis B can be transmitted through contact with infected blood or bodily fluids, so all individuals who are carriers of the virus should take precautions to prevent transmission to others.
What precautions should carriers of the virus take to prevent transmission?Carriers of the hepatitis B virus should take the following precautions to prevent transmission of the virus:
Inform sexual partners: Carriers should inform their sexual partners about their infection status and use condoms during sexual activity to prevent the transmission of the virus.Avoid sharing personal items: Carriers should avoid sharing personal items such as toothbrushes, razors, or anything that might have blood on it.Cover open sores or wounds: Carriers should cover any open sores or wounds to avoid exposing others to their blood or bodily fluids.Practice good hygiene: Carriers should practice good hygiene by frequently washing their hands with soap and water, particularly after any contact with blood or bodily fluids.Get vaccinated: Carriers should encourage their close contacts, such as household members, to get vaccinated against the hepatitis B virus to prevent further spread of the virus.It is important for carriers of the hepatitis B virus to take these precautions to prevent transmission to others and to minimize the risk of developing liver damage or other complications associated with the infection.
pls help and thank you
Answers
Answer:
image is dim due to it being in the blind spot
.When levels of serotonin are high in the RAS, the system shuts off and what occurs?
a) Pain
b) Sleep
c) Memory loss
d) Arousal
Answers
Answer: B
Explanation:
sleep
Which sequence of DNA bases would pair with this partial strand ATG TGA
CAG?
GTA AGT GAC
CAT TCA CTG
TAC ACT GTC
ATG TGA CAG
PLEASE PLEASE ANYONE HELP ME PLEASE
Answers
Answer Answer. TAC ACT GTC – is the correct pair sequence.
Explanation:I tried my best I dont really know anything about this but I just wanted to help anyway.Hope this helps you out.
aerial roots are present in:-
a) all aquatic plants
b) all Terrestrial plants
c) mangrove plants
d) none of the above
Answers
Answer:
c) mangrove plants l thinkIn parasitism, the organism benefiting is called the ____.
parasite
predator
host
prey
Answers
Answer:
parasite
Explanation:
The parasite is the organism that benefits from the relationship, while the host is harmed by the relationship.
Please Help I Don't Understand
Answers
Answer:
False, the pH level is usually 5.
What assists in the chemical reactions of metabolic processes?
Answers
Metabolic processes are a series of chemical reactions that occur in living organisms to maintain life. These reactions are necessary for the organism to grow, reproduce, and respond to its environment. In order for these reactions to occur, a number of different molecules and compounds must assist in facilitating and driving the reactions forward.
One important group of molecules that assist in metabolic reactions are enzymes. Enzymes are biological catalysts that speed up the rate of chemical reactions without being consumed or altered in the process. They do this by lowering the activation energy required for a reaction to occur, making it easier for the reactants to form products. Enzymes are highly specific, meaning they will only catalyze a specific reaction or group of reactions.
Another important group of molecules that assist in metabolic reactions are cofactors and coenzymes. Cofactors are inorganic molecules, such as metal ions, that bind to enzymes and assist in their function. Cofactors can be essential for the enzyme's activity or can enhance the activity of the enzyme. Cofactors are non-protein molecules. Cofactors are mostly metal ions. Cofactors are mostly metal ions. Cofactors are non-protein molecules that bind to enzymes and assist in their function.
Coenzymes, on the other hand, are organic molecules that bind to enzymes and assist in their function. Coenzymes can be vitamins or other small molecules that are required for the enzyme to function properly. For example, the coenzyme NAD+ is required for the enzyme dehydrogenase to function, and without it, the enzyme would be unable to catalyze the reaction.
In summary, enzymes, cofactors and coenzymes are the key molecules that assist in the chemical reactions of metabolic processes. Enzymes catalyze the reactions, while cofactors and coenzymes are essential or enhance the activity of enzymes. These molecules work together to ensure that the reactions occur quickly and efficiently, allowing the organism to maintain its life processes.
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Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic (As) and
antimony (Sb)?
Arsenic has a more metallic behavior than antimony because arsenic's atoms have fewer electron shells.
O Arsenic has a more metallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have more electron shells.
Arsenic has a more nonmetallic behavior than antimony because arsenic's atoms have fewer electron shells.
Answers
Answer:
Arsenic has a more metallic behavior than antimony because arsenic’s atoms have more electron shells.
Explanation:
the person above me is wrong
Overfishing in this ecosystem has directly impacted the fish population. If the fish no longer exist in this ecosystem due to overfishing, how will the food web change?
Answers
Answer:
When so many fish are captured, the population cannot regenerate fast enough to replace them. Fish may be depleted or wiped out as a result of overfishing.
Also if another animal rely on that tyoe of fish for food it wont have much to eat left, and if that fish has a special job it wouldn't be able to do much of it anymore.
Explanation:
Identify which of the following statements is true. Group of answer choices Moss and lycophytes have leaves Leaves of lycophytes and pterophytes have different origins Leaves were a chlorophyte innovation Leaves were a bryophyte innovation
Answers
The statement that is true is: Moss and lycophytes have leaves.
Leaves are a fundamental plant organ that are specialized for photosynthesis and gas exchange. Mosses and lycophytes are two groups of non-vascular plants that have simple leaves, which are not as complex as those of ferns, gymnosperms, and angiosperms. The leaves of mosses and lycophytes are typically small and simple, lacking the vascular tissue and complex structure found in higher plants. Despite their simplicity, these leaves are still important for the survival of these plants, as they help them to capture light energy and perform photosynthesis.
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Which organism is most likely to be found in a deep-sea trench?.
Answers
Answer:
You would find microscopic bacteria
he discipline of microbiology is intimately associated with biochemistry and genetics, because cells are both biochemical catalysts and genetic coding devices. The discipline of microbiology is intimately associated with biochemistry and genetics, because cells are both biochemical catalysts and genetic coding devices. True False
Answers
Answer:
True
Explanation:
The discipline of microbiology has to do with the study of microorganisms - tiny organisms that cannot be seen with the ordinary eyes except with the microscope.
Within the cells of microorganisms just as in every other cell, various biochemical processes take place in order to ensure the continued viability of the cells. Genetic information are also passed on from parent to daughter cells during the process of reproduction or cell division.
Hence, the field of microbiology is associated with both biochemistry and genetics.
Energy cycles through ecosystems because it returns to the Sun.
A True
B False
Answers
Answer:
false
Explanation:
The statement "Energy cycles through ecosystems because it returns to the Sun" is definitely false.
What is an Ecosystem?An ecosystem may be defined as a type of place or an area where members of different species live together and interact with one another for the purpose of food, shelter, space, and mating partner.
The ultimate source of energy for the living being is delivered by the sun. But the sun never takes this energy in any form. It is true that the energy cycle in the ecosystem but does not passes to the sun. It gets cycled through living organisms like plants, animals, and microorganisms.
The plants captures the energy from sunlight through photosynthesis, herbivores take energy from plants, carnivores take energy from herbivores, and the microorganisms get energy from dead and organic matter.
Therefore, the statement "Energy cycles through ecosystems, because it returns to the Sun", is definitely false.
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What is it called when the amount of water that evaporates equals the amount that condenses?
Answers
Answer:
Look down!! ;)
Explanation:
So, as the number of water vapor molecules increases in the air above the water, the condensation rate increases, too. The condensation rate will continue to increase until it matches the evaporation rate, which is a state called equilibrium, meaning the condensation rate equals the evaporation rate.
Hope this answers your question!! ;)
Scientists are observing a population of insects living in a warm, dry climate over time. Which piece of evidence would not indicate evolution in the population has occurred?
Choose the correct answer.
The phenotypes of the population remain the same.
The distribution of traits in a population has shifted.
The population is better adapted to survive in its environment.
The allele frequency of a particular form of a gene has increased.
Answers
Answer:
1st One
Explanation:
1st One
Answer:
A
Explanation:
It would be A because the rest are all evolution
Summarize this paragraph
Environmental measurements
Monthly averaged measurements of environmental factors and nutrients are shown in Table 2. The recorded seawater tempera tures in the two sampling sites ranged between 18 and 36 °C. The lowest temperature (18 °C) was measured in both sites during the early January. The highest temperatures (34 and 36 °C in the mari culture centre and the marina, respectively) were recorded during the end of August. There were minor variations in temperature between the two sampling sites, which might be due to sampling timing during the day (ie, early morning or midday).Seawater salinity is generally high in restricted areas such as coastal lagoons and semi-enclosed marinas. Salinity levels ranged between 43 and 46 psu in the two sampling sites reflecting typical high seawater salinity in the Arabian Gulf. Despite receiving an input of low-salinity water from the mariculture facilities, the lagoon showed slightly higher levels of salinity than the marina. Levels of pH ranged between 7.3 and 7.9, with averages of 7.6 and 7.5 in the marina and the mariculture centre, respectively. Mariculture activities are typically associated with an increased load of dissolved nutrients in the effluent discharges, Levels of am monia and phosphate were higher in the mariculture centre than the marina. The mean concentrations of ammonia and phosphate) were 0.55 and 0.18 in the mariculture centre compared to 0.17 and 0.07 mg in the marina, respectively. The mean concentrations of nitrate and nitrite were 0.37 and 0.02 in the mariculture centre compared to 0.33 and 0.07 mg I in the marina, respectively. PCA analysis revealed that nutrients (ammonia, nitrate, nitrite and phosphate) and salinity are strongly correlated with mariculture centre (Fig. 3).
Answers
The paragraph describes monthly measurements of environmental factors and nutrients in two sampling sites, including seawater temperatures, salinity levels, pH, and nutrient concentrations.
The paragraph provides a summary of the monthly measurements of various environmental factors and nutrients in two sampling sites. The seawater temperatures ranged between 18 and 36 °C, with the lowest temperature observed in early January and the highest temperatures recorded at the end of August. Minor variations in temperature between the two sites were likely due to the timing of sampling.
Seawater salinity levels ranged between 43 and 46 psu, reflecting the high salinity typically found in the Arabian Gulf. The lagoon showed slightly higher salinity levels than the marina, despite receiving low-salinity water from mariculture facilities.
pH levels ranged from 7.3 to 7.9, with slightly higher averages in the marina compared to the mariculture centre.
The mariculture centre had higher levels of dissolved nutrients, including ammonia and phosphate, compared to the marina. Concentrations of ammonia, phosphate, nitrate, and nitrite were all higher in the mariculture centre.
Principal Component Analysis (PCA) revealed a strong correlation between nutrients (ammonia, nitrate, nitrite, and phosphate) and salinity with the mariculture centre.
Overall, the paragraph presents an overview of the monthly environmental measurements, highlighting variations in seawater temperature, salinity, pH, and nutrient concentrations between the two sampling sites.
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Fruits grown in hot climates are usually less sweet than those grown in cooler temperatures. The high temperatures increase the rate of respiration in the plants, thus reducing the sugar content in some fruits. Why does increased respiration in the leaves and stems reduce the sugar content in the fruits of a plant
Answers
Answer:
The correct answer is - Sugars produced in the leaves are used as an energy source instead of being stored in fruits.
Explanation:
The high temperature in climate leads to an increase in the respiration rate in the plants so they require more energy in the process.
They produce sugars in the leaves which leads to a decrease in the sugar content in the fruit as energy is the primary focus in such situation to survive in high temperatures.
Who wants a BRAINLIEST, answer this question first
Which of the following part of the kidney contains urine with no glucose at all?
Select one:
a. Collecting duct
b. Glomerulus
c. Loop of Henle
d. Bowman capsule
Answers
How does DNA create chromosomes ?
Answers
Answer:
A single length of DNA is wrapped many times around lots of proteins? called histones, to form structures called nucleosomes. These nucleosomes then coil up tightly to create chromatin loops. The chromatin loops are then wrapped around each other to make a full chromosome.
Can you change your fingerprint pattern?
a. Yes
b. No
c. Sometimes
Answers
Answer: it dependes i believe theres a method where you can burn off you fingerprints but i dont belive you can change them
Explanation:
hope this helps if not sorry :(
Have a great day :)
Explanation: To be honest with you, I believe not! Because your finger print pattern, is something can scar, your fingerprints with a cut, or temporarily lose them through abrasion, acid, but, any finger print lost in these methods will certainly grow back within I assume a month. I’m not sure exactly! I have in fact heard of a similar question to this probably about two years ago I’m not exactly sure like I said!!
But I hope this is a good explanation!
Also the comment that said there was a burning method is correct!
which feature makes angiosperms different from all the other types of plants?
Answers
The distinguishing feature of angiosperms, which sets them apart from other types of plants, is the presence of flowers and enclosed seeds within fruits.
Angiosperms, also known as flowering plants, are unique among plant groups due to their specialized reproductive structures called flowers. Flowers contain male and female reproductive organs, including stamens (male) and carpels (female), which facilitate sexual reproduction.
The flowers of angiosperms attract pollinators, such as insects, birds, or bats, to aid in the transfer of pollen between plants, leading to fertilization and seed production.
Another characteristic that sets angiosperms apart is the development of fruits, which are structures that surround and protect the seeds. Fruits develop from the mature ovaries of flowers and serve various functions, including seed dispersal by animals or wind.
The presence of fruits allows angiosperms to have a wide range of seed dispersal strategies, contributing to their success in colonizing diverse habitats.
In summary, the defining feature that distinguishes angiosperms from other types of plants is their possession of flowers and the formation of fruits that enclose and protect their seeds. These reproductive adaptations have played a significant role in the evolutionary success of angiosperms and their dominance in terrestrial ecosystems.
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Which agricultural practices result in methane emission?
Answers
Agricultural sources include manure pits and cow burping from “enteric fermentation,” which results from the digestive process of cattle.
What do you mean by enteric fermentation?Enteric fermentation is a digestive process by which carbohydrates are broken down by microorganisms into simple molecules for absorption into the bloodstream of an animal.
Enteric fermentation is a natural part of the digestive process in ruminant animals such as cattle, sheep, goats, and buffalo. Microbes in the digestive tract, or rumen, decompose and ferment food, producing methane as a by-product.
Enteric fermentation occurs when anaerobic microbes, called methanogens, decompose and ferment food present in the animal's digestive tract producing compounds that the animal host then absorbs.
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