What group of periodontal bacteria are often associated with the development of orodigestive cancers such as oral squamous cell, esophageal, pancreatic, and colorectal cancers?.
Answers
Periodontal bacteria such Fusobacterium nucleatum, Treponema denticola, Porphyromonas gingivalis, and Aggregatibacter sp. are frequently linked to the emergence of orodigestive cancers like colorectal, esophageal, pancreatic, and oral squamous cell cancers.
Bacteria from the genera Fusobacterium, Veillonella, Actinomyces, Clostridium, Haemophilus, and Enterobacteriaceae are also associated with epithelial precursor lesions and oral cancer. Numerous studies have also demonstrated the significance of oral infections in the emergence of pancreatic and colorectal cancer. Individual risk factors for the development of oral cancer can include periodontitis. Individuals with impaired periodontal health should be closely watched, especially if they also have severe periodontitis and other risk factors related to their lifestyle. Cancer risks can be reduced in at-risk persons by maintaining their periodontal health.
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Related Questions
What is the difference between an independent and a dependent variable?
Answers
Answer:
Explanation:
The independent variable is the cause. Its value is independent of other variables in your study. The dependent variable is the effect. Its value depends on changes in the independent variable.
Definition: This is a condition which is caused when the blood vessels supplying the muscle become blocked, which limits blood flow and can cause damage to the heart muscle.
Example: These range from mild to severe and is one of the top causes of death.
Term: ???
Answers
Answer:
Heart attack
Explanation:
my father is a ER nurse for 3 years
How are water molecules able to bond to each other?
Answers
Water has a remarkable ability to cling to itself and other substances. The propensity of water molecules to be attracted to other water molecules, allowing water to be a "sticky" liquid, is described by the property of cohesion.
Which bond is present between water?The difference in charge between slightly positive hydrogen ions and other, slightly negative ions causes hydrogen bonds, which are electrostatic forces.
Hydrogen bonds form between adjoining hydrogen and oxygen atoms of adjacent water molecules in the case of water. A hydrogen bond is formed when individual water molecules attract each other.
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What are small area variations? a. geographic variations in health care practice b. demographic variations in health care practice c. both a and b d. neither a nor b
Answers
Small area variations are geographic variations in health care practice. That is option A.
What are geographic variations?In the health sector, geographic variations are a type of variations that involves the observation of small area using population-based medical services across the relatively small geographic areas.
The importance of geographic variations in health care practice include the following:
It helps in monitoring disease outbreaks,It targets public health strategies towards a particular disease.It saves cost for health care delivery servicesIt makes health care delivery services available for the populace.Learn more about variations here:
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DNA strand is 45 nucleotides long. A substitution mutation occurs at nucleotide 19. How many amino acids would be expected to be produced correctly?
Answers
To determine the number of correctly produced amino acids after a substitution mutation at nucleotide 19, we need to know the specific nucleotide change that occurred and how it affected the codon and resulting amino acid sequence.
Depending on the mutation, the protein sequence could be altered, and the number of correctly produced amino acids would vary.
What are the amino acids?
Amino acids are the building blocks of proteins. They are organic compounds that contain both an amino group (-NH2) and a carboxyl group (-COOH) attached to a central carbon atom, which also carries a side chain specific to each amino acid. There are 20 different amino acids that can be found in proteins, and they are typically classified based on the properties of their side chains, which can be hydrophobic, hydrophilic, acidic, or basic.
What is nucleotide?
Nucleotides are the building blocks of DNA and RNA, which are the genetic materials that carry the hereditary information of living organisms. A nucleotide is composed of three basic components: a nitrogenous base, a sugar molecule, and a phosphate group.
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can anyone say the answer
Answers
Answer:
If you were to ask me I would say that your answer is C
Explanation:
Answer:
I would say it's the last one
Explanation:
what will be the result of photosystem II being exposed to less sunlight more glucose molecules will be produced
Answers
Fewer hydrogen ions will be pumped into the Thylakoid when photosystem II being exposed to less sunlight more glucose molecules will be produced.
Photosystem II is the first membrane protein complex in oxygenic photosynthetic organisms in nature. It produces atmospheric oxygen to catalyze the photo-oxidation of water by using light energy. It oxidizes two molecules of water into one molecule of molecular oxygen.
Photosystem II the energy derived from absorption of photons is used to split water molecules to molecular oxygen and protons. The most important function of photosystem II (PSII) is its action as a water-plastoquinone oxido-reductase. At the expense of light energy, water is split, and oxygen and plastoquinol are formed.
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3 effects of pH change
Answers
1) variation in the UV spectra in batch culture. Mineral medium (MM) spectrum (dot), 4-CPh 120 mg L−1 (empty diamond), 4-CPh preozonated (filled triangle). Biodegradation of preozonated 4-CPh by a mixed microbial consortium at 30 h (empty square), 62 h (empty inverted triangle), 102 h (empty circle) of culture, respectively. (B) MM spectrum (dot), 2,4-DCPh 120 mg/L (empty diamond), 2,4-DCPh preozonated (filled triangle). Biodegradation of preozonated 2,4-DCPh by a mixed microbial consortium at 30 h (empty square), 72 h (empty inverted triangle), and 191 h of culture, respectively
2) The UV spectrum profiles of the 4-CPh are compared in Fig. 12.5A. The ozonated spectra show only the presence of organic acids (approximately 20% of the initial COD removal), found in the typical wavelength region for these compounds (210 nm)
3) One can note from this table that oxalic and formic acids are the main identified byproducts for all phenols. Also, all phenolic intermediates different from hydroquinone and cathecol were not detected, nor the organic acids that have been reported in other studies
1. Describe the movement of water and
molecules across the cell membrane.
Answers
Osmosis is the process of water and molecules diffusing across cell membranes.
Cells must transfer materials into and out of their cytoplasm through their cell membranes in order to operate. Due to the semi permeability of these membranes, certain molecules can pass through but not others.Osmosis is the process by which water moves from one region of low solute (dissolved material) concentration to another region of high solute concentration across a semipermeable membrane. The semipermeable membrane in this instance prevents the solute from passing through. This involves the same random process as diffusion and can be imagined as water traveling down its own concentration gradient.Depending on the relative solute concentrations in each, semipermeable membrane-separated solutions can be classified as hypertonic, hypotonic, or isotonic. While a hypotonic solution has a lower concentration of solutes than a neighboring solution, a hypertonic solution has a higher solute concentration. When the solute concentrations are identical, water will transition from the hypotonic solution to the hypertonic solution. Isotonic solutions lack a concentration gradient because the solute concentrations are identical throughout.So, water and molecules cross the membrane by osmosis and diffusion.
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Ok y’all make sure that Everyone has a different answer PLZZ
THX
Answers
Answer:
Th thing that causes leaves to change color is the is the decreased amount of sunlight and heat this is a chemical change because it stays like this and can't ever change back to it's original state like a physical change would
Explanation:
What is the common name for C6H1206
Answers
Answer:
Glucose
Explanation:
Answer:
Glucose
Explanation:
Glucose is a simple sugar with six carbon atoms and one aldehyde group. This monosaccharide has a chemical formula C6H12O6. It is also known as dextrose. It is referred to as aldohexose as it contains 6 carbon atoms and an aldehyde group.
studocu you are observing a population of lizards when you notice that the number of adults has increased and is higher than previously observed. one explanation for such an observation would include a) reduction in death rate. b) increased immigration. c) increased emigration. d) decreased emigration. e) increased birth rate.
Answers
One possible explanation for the observed increase in the number of adult lizards could be an increased birth rate. Therefore, option e) "increased birth rate" would be a potential explanation for the higher number of adults.
An increased birth rate means that more lizards are being born into the population, which contributes to an increase in the overall number of adults. This could occur due to favorable environmental conditions, availability of resources, or other factors that support successful reproduction and survival of offspring.
While options such as a) reduction in death rate, b) increased immigration, and d) decreased emigration can also contribute to an increase in the population size, they do not specifically account for the observed increase in the number of adults. Option c) increased emigration, on the other hand, suggests a decrease in the population size and would not explain the observed increase in the number of adults.
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Explain how mitochondrial failure is involved in shivering and slow, shallow breathing.
Answers
According to www.chop.edu:
"Respiratory problems may occur when mitochondrial disease impairs the function of muscles that control breathing or swallowing. Weakness in these muscles can make it difficult to swallow properly or clear the airway by effective coughing."
Explanation:WARNING: PLAGIARISM IS A REAL THING AND CAN AFFECT YOUR EDUCATION, THAT IS WHY I HAVE PLACED DOWN MY SOURCE SO THAT YOU DO NOT GET IN TROUBLE. DO NOT COPY THIS ANSWER WORD FOR WORD ON YOUR HOMEWORK. USE THIS AS A SOURCE, AND MAKE IT YOUR OWN.
I hope my answer helped you! If you need more information or help, comment down below and I will be sure to respond if I am online. Have a wonderful rest of your day!
List 3 functions of a government of a country
Answers
Answer:
What Are The Functions of Government?
1. Protect the Natural Rights. The primary functions of government are to protect the basic human rights which include right to life, liberty and to possess property.
2. Defend Against External Enemies. War across nations has been a constant condition since the beginning of civilization.
3. Managing Economic Conditions.
Explanation:
Describe the positive and negative outcomes of biotechnology, specifically addressing genetically
modified crops.
Answers
Describe what happens during mitosis.
Answers
Answer:
Im mitosis a plant or animal diploid cell chromatins line up in the center in the cell and then pull apart to create 2 exact genetic copys of the original cell.
Explanation:
Answer:
the nucleus divides into two identical nuclei
Explanation:
in the sense of alternation of generations, how many generations are included in a mature pine seed?
Answers
In the sense of alternation of generations, a mature pine seed contains only one generation - the sporophyte generation.
Pines, like all gymnosperms, have a life cycle that includes a dominant sporophyte generation, which produces haploid spores through meiosis. The spores develop into a small, haploid generation called the gametophyte. In pines, the gametophyte generation is reduced to a few cells and is contained within the seed, which is produced by the female sporophyte cone.
The male gametophyte in pines is the pollen grain, which is produced by the male sporophyte cone. When the pollen grain lands on the female cone, it germinates and produces sperm cells, which fertilize the egg cells of the female sporophyte cone. This produces the zygote, which develops into the mature sporophyte pine tree.
Therefore, in a mature pine seed, there is only one generation present - the sporophyte generation. The gametophyte generation is represented by a few cells contained within the seed, but it is not fully developed and does not function independently.
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What does synthesis mean in biology.
Answers
Answer: the process of building compounds from more elementary substances by means of one or more chemical reactions
Explanation:
The founder effect and the bottleneck effect are both examples of how _________ ______ can rapidly alter allele frequencies when the size of a population dramatically decreases.
Answers
The founder effect and the bottleneck effect are both examples of how genetic drift can rapidly alter allele frequencies when the size of a population dramatically decreases.
Genetic drift is a random change in allele frequencies that occurs in small populations due to chance events. The founder effect occurs when a small group of individuals from a larger population become isolated and establish a new population. The new population will likely have different allele frequencies than the original population due to the limited genetic diversity of the founding individuals.
On the other hand, the bottleneck effect occurs when a population experiences a dramatic decrease in size, reducing the number of individuals and alleles in the population. This can occur due to natural disasters, human intervention, or other factors that lead to a decrease in genetic diversity and an increase in the frequency of certain alleles.
Both the founder effect and bottleneck effect can have significant impacts on the genetic diversity of a population, and can ultimately lead to the evolution of new species over time.
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onsidering the structure of proline, briefly explain why this amino acid is located at the ends of the alpha helices and not within the helices?
Answers
This amino acid (proline) is located at the ends of the alpha helices and not within the helices because being at the ends of the helices help it to bend and produce a folded helical structure of the protein.
The "helix-like" backbone dihedral angles of proline aid in the beginning of helix folding. A proline causes the helical axis of alpha-helix to bend when it is present inside the structure. Almost all proline kinked helices are long helices (>4 turns), which frequently helps to pack long helices into proteins. This is the reason why this amino acid is located at the ends of the alpha helices and not within the helices.
Among the regular amino acids, proline is distinct in that it lacks both free alpha-amino and free alpha-carboxyl groups. Instead, because proline's nitrogen atom is joined to two carbon atoms, its side chain has a cyclic shape.
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31.Animal cells can be found in a...
A Cow
B Rock
C Fragment of glass D Tree
32.Animal cells can be in both animals AND humans.
A False B True
33.What cell would make up a small patch of grass?
A Neither animal nor plant B Plant
C Both animal and plant D Animal
34.Which of the following shows the levels of organization that makes up an organism in the correct order from smallest to largest?
A organism, organ system, organ, tissue, cell B cell, tissue, organ system, organ, organism C cell, tissue, organ, organ system, organism D organ system, organism, organ, tissue, cell
35.What do all of these organisms have in common?
A They possess the same features
B They all have uniform offspring
C They have the same internal and external structures D They are all made of cells
36.According to cell theory, where did this cell come from?
A the nonliving environment B another living cell
C a multicellular organism D energy from sun
37.Rocks are not living because
A they are not made of cells
B they never move
C they aren't needed for humans D they don't break down
38.A group of tissues that perform a similar function is called_____. (Examples include the heart, lungs or stomach)
A organ system B cells
C tissues
D organs
39.When many organ systems work together it can form...
A organism
B organ system C organ
D cells
40. A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective
A atoms B organs C tissues D cells
41.This is a example of
A organ
B organ system C cells
D tissue
42.This is a example of A organ system
B organ
C cell
D tissue
Answers
Answer:
31) A. Cow
32) B. True
33) B. Plant
34) C cell, tissue, organ, organ system
35) D They are all made of cells
36) B another living cell
37) A they are not made of cells
38) A organ system
39)C organ
40) C tissues
41: Example of what?
42) tissue
Explanation:
31) Common sense.
32) Animal cell refers to a eukaryotic cell that lacks a cell wall and a large nucleus whereas a human cell refers to the basic functional unit of the human body. The human cell is a type of animal cell.
Which of these is not a method of heat loss as a result of vasodilation? O Convection O Conduction O Radiation O Friction O All of the above are methods of heat loss
Answers
The statement "All of the above are methods of heat loss" is incorrect. Among the options given, "Friction" is not a method of heat loss as a result of vasodilation.
Vasodilation is the widening of blood vessels, particularly the arterioles, near the surface of the skin. It is a physiological response that increases blood flow to the skin, allowing heat to be transferred from the body's core to the skin surface for dissipation. The methods of heat loss associated with vasodilation include:
1. Convection: This refers to the transfer of heat through the movement of air or fluids, such as when warm blood near the skin's surface transfers heat to the surrounding air.
2. Conduction: This involves the transfer of heat through direct contact with a cooler surface. When warm blood reaches the skin's surface, it can transfer heat to objects or surfaces in contact with the skin.
3. Radiation: This is the emission of heat in the form of infrared radiation from the body's surface to the surrounding environment. It allows heat to be radiated away from the body without direct contact.
Friction, on the other hand, is not a method of heat loss related to vasodilation. Friction refers to the resistance encountered when two surfaces move against each other, resulting in the generation of heat. In the context of heat loss, friction is not a relevant factor.
Therefore, the correct answer is: O Friction is not a method of heat loss as a result of vasodilation.
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Answer number 12please
Answers
Answer:
A. Ingestion ->Digestion ->Egestion
Which would have more effect on the evolution of plants and animals?
Answers
Answer:
E. onset of an ice age
Explanation:
Which of these shows the correct way to type the scientific name for humans?
a) Homo sapiens
b) HOMO SAPIENS
c) Homo Sapien
d) homosapien
e) Homo sapiens
f) homo sapien
Answers
The correct way to type the scientific name for humans is a) Homo Sapiens.
Scientific names, also known as binomial nomenclature, follow specific conventions. The scientific name for humans consists of two parts: the genus name (Homo) and the species name (sapiens). The genus name is always capitalized, while the species name is written in lowercase. Furthermore, both names are italicized or underlined when handwritten.
Option a) "Homo sapiens" correctly follows these conventions by capitalizing the genus name (Homo) and using lowercase for the species name (sapiens). Options b) "HOMO SAPIENS" and f) "homo sapien" do not adhere to the proper capitalization rules. Option c) "Homo Sapien" incorrectly capitalizes the species name, and option d) "homosapien" lacks the proper capitalization and spacing. Therefore, option e) "Homo sapiens" is the correct and standard way to type the scientific name for humans.
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How do you think molecules of food rearrange when they react with oxygen in the cells of your body?
Answers
Answer:
In cellular respiration, complex molecules containing carbon react with oxygen to produce carbon dioxide and other materials. Within individual organisms, food moves through a series of chemical reactions in which it is broken down and rearranged to form new molecules to support growth or to release energy.
Explanation:
The glucose and oxygen atoms are rearranged into carbon dioxide and water molecules during aerobic respiration. Being an exothermic chemical reaction, this process releases energy as it goes along.
What is aerobic respiration?A chemical reaction that converts carbohydrates into energy using oxygen (sugars). also known as oxidative metabolism, aerobic metabolism, and cell respiration.
During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilise.
As byproducts, carbon dioxide and water are produced. The general equation for aerobic cellular respiration is: ATP is produced when glucose and oxygen combine in cellular respiration.
During aerobic respiration, glucose and oxygen atoms are rearranged into carbon dioxide and water molecules. As it proceeds, this process releases energy since it is an exothermic chemical reaction.
Thus, molecules of food rearrange when they react with oxygen in the cells of your body.
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Which statement describes the flow of energy through the keyboard as George plays?
Answers
the tube that carries spermazotoa from the testis is called the __________.
Answers
Answer: A vas deferens
Explanation:
what is photosynthesis
Answers
Answer:
Photosynthesis happens in the leaves of a plant.
This is a chemical reaction, which takes place inside a plant, producing food for the plant to survive. For photosynthesis to take place, carbon dioxide, water and light are needed.
I HOPE THIS HELPED YOU :)
Answer:
Photosynthesis is the process by which plants make their food.
Explanation:
photosynthesis in plants involve the green pigment called chlorophyll and generates oxygen as by-product.
4) A "black light" uses _______ radiation to make some objects glow.
5) How does a prism separate white light into the different colors that compose it?
Answers
Answer:
4 Black light uses Ultraviolet light
5 As light passes through a prism, it is bent, or refracted, by the angles and plane faces of the prism and each wavelength of light is refracted by a slightly different amount. ... As a result, all of the colors in the white light of the sun separate into the individual bands of color characteristic of a rainbow.
Answer:
ultra violet light