Place the steps of biofilm formation in the correct order: 1. Quorum sensing and the establishment of the extracellular matrix commences as microbes attach more stably. 2. Surface (substratum) is preconditioned by environmental molecules. 3. Biofilm matures and some microorganisms escape to the planktonic state. 4. Microbes attach and detach from the preconditioned surface.

Answers

Answer 1

Answer:Step order:

2. The surface (substrate) is preconditioned by environmental molecules.

4.Microbes bind and detach from the preconditioned surface.

1.Quorum detection and extracellular matrix establishment begins as microbes bind more stably.

 3. The mature biofilm and some microorganisms escape the planktonic state.

Explanation:

The biofilm is a highly complex structure where many microorganisms coexist, compete, reproduce, feed, within a micro-system with many ideal conditions for each microorganism that is housed in it.

The biofilm is resistant to non-selective antimicrobials, that is, to disinfectants such as sodium hypochlorite, chlorhexidine, among others.

Evidence was also presented that they are resistant to selective antimicrobials such as antibiotics, that is why they have great virulence factors or potential to trigger pathology.

The solution to destroy a biofilm is mechanical sweeping, with brushing as it happens on our teeth or even with the catheter cleaning brushes that are used (in addition to the sterilization methods).

This biofilm presents separate colonies in its interim with a fluid that it travels transmitting signals, food, toxins, resistant factors between these different types of microorganisms. This fluid and this communication between them is called quorum sensing and not all microorganisms tolerate it.

Many microorganisms compete with each other for the medium, an example is streptococcus mutating in the dental biofilm, which generates an acidic medium by metabolizing carbohydrates within the biofilm, thus generating that those bacteria that live in neutral or alkaline ph cannot reproduce and die.

The biofilm can be contained by bacteria, viruses, fungi and even parasites, but what they all have in common is that they have the ability to reproduce on an inert surface such as catheters, dental surfaces, silicone hoses.


Related Questions

Norepinephrine and epinephrine influence all of the following except __________ functioning. A. heart B. lung C. nervous system D. sex drive

Answers

Hey Again!!

Your answer will be D. Sex drive.

Hope This Helps <3!!

By ☆Itsbrazts☆

Answer:

Hey!

Your answer would be D. Sex drive!

Explanation:

Hope this helps!

:>

When something is_____ it is
used to make something else.
it is processed and then​

Answers

Answer:

Old/damaged

Explanation:

There is a variety of reasons why something can be turned into something else.

answer asapppp
Prokaryotes, like most living organisms, need movement to locate food and to survive. If a prokaryote needed to move to a new food source.
which structure would it use for locomotion?
pilli
2
capsule
-flagellum
so
chromosome

Answers

Answer: The answer is flagellum

Explanation: Prokaryotes are single-celled organisms belonging to the domains Bacteria and Archaea, and flagellum is a whip-like structure that allows a cell to move. They are found in all three domains of the living world: bacteria, archaea, and eukaryota, also known as protists, plants, animals, and fungi. Also The primary role of the flagellum is locomotion, but it also often has function as a sensory organelle, being sensitive to chemicals and temperatures outside the cell. Flagella are organelles defined by function rather than structure. Flagella vary greatly.

( hope this helped )

Answer:

Flagellum

Hope this helps!

Explanation:

when a child is born with down syndrome when did the mutation occur

Answers

Answer:

Down syndrome occurs when the nondisjunction occurs with Chromosome 21. Meiosis is a special type of cell division used to produce our sperm and egg cells.

what's the difference between infectious diseases and non-infectious diseases?

Answers

Answer:

[tex]\boxed{\sf {view \: explanation}}[/tex]

Explanation:

Infectious diseases are contagious and can be spread from one person to another. Non-infectious diseases are not contagious and cannot be spread from one person to another.

Few examples of infectious diseases include influenza, SARS, and common cold.

Few examples of non-infectious diseases include cancer, diabetes, and many heart diseases.

An environmental scientist might study the effect of soil pollution on plant growth.

Answers

True.

As...Environmental scientist studies the interaction of the living components of the ecosystem with the non living components.

The contamination in the soil will affect the growth of plants, this will also be studied by the environmental scientist.

The Growth of the plant depend on the quality of soil in which it is grown so it will also be a concern for the environmental scientist.

Answer:

True

Explanation:

I just took the test on edge

After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?
O Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being​

Answers

Answer:

Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.

Explanation:

Oil _____.

is a renewable resource
can be used directly from the ground
is the least polluting energy source
must be removed from the earth using drills

Answers

The answer is the last one. Removing from drills. It’s a non renewable source.

Oil well is a renewable resource

can be used directly from the ground

is the least polluting energy source

must be removed from the earth using drills

Plants that are adapted to live on land ( botanical term)​

Answers

Answer:

"Embryophytes " is the perfect solution.

Explanation:

Each of some kind of plant sub-system that maintains the embryo inside the maternal tissues, including the tracheophytes as well as bryophytes.The other most common species of organisms or plants seem to be the surface plants including embryophytes, furthermore precisely Embryophyta or Metaphyta. They are considered as 'land plants' but even though, in comparison to the connected green algae, those who continue living primarily throughout terrestrial environments, mainly aquatic ones.

Which of the following produces the greatest amount of carbon dioxide?
Who Is Producing Carbon Dioxide?
Other 14%
Electronics 6%
Refrigeration 8%
Transportation
Heat and Air
Conditioning
46%
Factories
Water Heating 13%
Businesses
Homes
Lighting 13%
A. Heating and cooling
B. Lighting
C. Refrigeration
D. Electronics

Answers

Answer:

no 1. A is the answer

Explanation:

hope this helps and plz mark me as the brainliest

The following produces the greatest amount of carbon dioxide is Heating and cooling.

What are the main characteristics of carbon dioxide?

Carbon dioxide is a chemical compound made up of two oxygen atoms and one carbon atom. The chemical representation is CO2. Carbon dioxide was discovered by Scotsman Joseph Black in 1754.

Main sources and uses of carbon dioxide is emitted during the burning of fossil fuels (coal, power plant gas, oil, vehicles); Deforestation and fires; Washing of cellulose pulp and paper.

See more about carbon dioxide at brainly.com/question/3049557

A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. What effect do these new arrivals have

Answers

Answer:

The environmental variation

Explanation:

Environmental variation has a big role for their beaks to change in a size and shape , that means if the birds like the condition of the place specially birds like to eat cactus fruits that is the reason for their beak rapid change

Can someone please help its urgent

Answers

Answer:

a.

A - Canine...... for tearing meat.B - incisor.....for cutting food.C - molar...... for crushing food.D - premolar...... for crushing food.

Explanation:

Hope it helps.

Roses come in many different colors. What is the difference between a rose that is
red and a rose that is yellow?

Answers

Answer:

different allele

Explanation:

Which sustainable practice is paired correctly with its impact on the environment? Using bamboo results in an increased use of forest trees. Practicing contour plowing results in a need for more land. Setting irrigation systems to run longer results in a reduction of water use. Building more wind farms results in a reduction of fossil fuel use.

Answers

Hey there! I'm happy to help!

Using bamboo results in an increased use of forest trees. Bamboo is a grass, not a tree. I don't see how using more bamboo would increase your usage of trees. This option is incorrect.

Contour plowing is when your plow around the contour lines (which are basically like elevation lines) of a hill or slope. This actually reduces soil erosion and lasting effects of natural storms and disasters, so it does not result in a need for more land. This option is incorrect.

Setting irrigation systems to run longer results in a reduction of water use. Irrigation is a system of  watering, so you need water for it. It would not reduce water use. This option is incorrect.

Building more wind farms results in a reduction of fossil fuel use. If you are getting your power from renewable resources like the wind or the sun, you will not need to use as many fossil fuels, and this would reduce their use. This option is correct.

Have a wonderful day!

The practices that aid in economic, human and ecological dynamism and health is called sustainable practices. This procedure helps in conservatively preserving the limited sources.

The correct pairing is:

Option D. Constructing more wind farms results in a decrease in fossil fuel usage.

The practices can be explained as:

Using too many bamboos will result in the degradation of lands and increased soil erosion. It will not affect the usage of other forest trees.

The method of agriculture practice in which the ploughing is done near the contour lines is called contour ploughing and does not need much land also helps in reducing soil erosion and disasters.

The irrigation system conserves water and is a beneficial technique of watering the agricultural lands with an efficient amount of water.

Wind energy generates more energy and power which is a renewable source compared to fossil fuels and reduces the use of petrol, diesel and coal.

Therefore, option D is correct.

To learn more about sustainable practices follow the link:

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Which location would best be described as a biodiversity hotspot? A. A coral reef that has lost a significant number of its species due to water pollution B. A desert that contains fewer than 10 species of animal per square hectare C. A stretch of melting ice in the Arctic Sea that can no longer support its polar bear population D. A tropical rainforest that contains hundreds of species of birds and thousands of species of vine

Answers

Answer:

a

Explanation:

coral reef that has lost a significant number of its species due to water pollution

A coral reef that has lost a significant number of its species due to water pollution best be described as a biodiversity hotspot, hence option A is correct.

How coral reef act as a biodiversity hotspot?

This is so that fish, crustaceans, and other living things have a place to dwell thanks to coral reefs. They are more ecologically diverse than rainforests. And ecosystems depend on biodiversity for food, health, and resilience. Similar to a soccer team without a defense is a loss of biodiversity.

Many people think coral reefs contain greater biodiversity than any other environment on the earth, even more than a tropical rainforest. More than 25% of all marine life lives on coral reefs, which make up less than 1% of the ocean floor.

Therefore, a coral reef that has lost a significant number of its species due to water pollution best be described as a biodiversity hotspot.

Learn more about biodiversity, here:

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Suppose that an unusually high degree of aurora kinase activity is observed in the cervix. What could we reasonably conclude about C5M treatment efficacy across all cervical cancer cell lines, using this new information and the data within the passage

Answers

Answer:

The division of cervical cancer cells will be inhibited  

Explanation:

Aurora kinases are a type of serine/threonine kinase enzymes that play critical functions during cell proliferation, and they are recognized to be potential targets in cancer therapy. The benzo[e]pyridoindole (C5M) agent is a hydrosoluble inhibitor of aurora kinases capable of inhibiting cell proliferation. C5M induces mitotic arrest by faulty (no separation) of the sister chromatids during cell division, thereby eventually leading to polyploidy and finally triggering cell death. It has been shown that C5M acts to prevent the entry in mitosis by inhibiting histone 3 (H3) phosphorylation of aurora kinases.

Any of a large group of diseases characterized by a condition in which the immune system produces antibodies against its own tissues, mistaking healthy cells, tissues, or organs for antigens is called a/an

Answers

Explanation:

Autoimmune Disorders

URGENTTTT!!
does a fire respond to its environment?​

Answers

Answer: no

Explanation: fire does not change its process to adapt to it's environment.

Blood is supplied to the myocardium by
A) the coronary sinus.
B) the coronary arteries.
C) arteries that branch off the subclavian arteries.
D) contact with blood in the pumping chambers.
E) arteries that branch from the pulmonary arteries.

Answers

Answer:

B) the coronary arteries

Answer:

B

Explanation:

the artery of coronary circulation which nourishing myocardium

The current taxonomic system that taxonomists use (and that we are using during our Summer session) follows a taxonomic scheme that recognizes _____ (a number) Kingdoms in the Domain Eukarya (also spelled Eucarya).

Answers

Answer:

The correct answer is - 4 kingdoms.

Explanation:

According to the current classification or taxonomic system used by many taxonomists is the modern Linnean classification system and according to this, there are four kingdoms Protista, Fungi, Plantae, and Animalia in the domain eukarya. there are two more kingdoms in prokaryotes that are monera and archaebacteria

Thus, the correct answer is - 4 kingdoms.

Question
Q2. A student places peaches into a pure water solution
Give two differences you would expect to find in the water
after ino hours.

Answers

Answer:

The correct answer -  peaches will swell.

Explanation:

In the hypotonic solution, solution has a higher water potential than that of the cell of peach, so water will move from a region of higher water potential to a lower water potential across via osmosis.

Peaches have more solutes than pure water as it has higher sugar content than pure water. Hence, endosmosis will take place which means the water molecules will move from outside to inside of the peaches through wall of peaches takes place. Due to this, peaches will swell eventually.

Thus, the correct answer -  peaches will swell.

Why might the carrying capacity for humans in the United States change if Americans ate more plant products than animal products? Feeding higher on the food chain would make more energy available for humans to assimilate. Consuming plant products would provide less energy because they are generally less digestible than meat. Eating producers would make available about 10 times more energy than eating primary consumers. A diet made up of more plant and fewer animal products would decrease the amount of energy available in food sources.

Answers

Answer:

The correct option is:Food producers would make approximately 10 times more energy available than primary consumers.

Explanation:

Diets based on sugars, carbohydrates, fibers, proteins and vegetable fats (that is, with the increased consumption of fruits and vegetables) have much less complex structures than the protein in meat, so much more energy is obtained and easier and faster than vegetables.

A clear example is that carbohydrates have a digestion that lasts between half an hour and an hour, while meat takes at least an hour and a half to digest.

Meats are complex protein structures with primary, secondary and tertiary junctions that must be digested and corrupted with gastrointestinal enzymes, whereas the carbohydrate carbohydrates of fruits and vegetables already begin their digestion in the human mouth thanks to alpha amylase.

The faster the digestion, the faster the energy is assimilated in the form of glucose, and the energy currency that is ATP is greater in diets rich in carbohydrates like the one we are writing, based on fruits and vegetables.

What does the immune system protect the body against? changes of the internal body temperature changes in the temperature of environment changes caused by harmful pathogens changes in the pH of the blood

Answers

Answer:

changes caused by harmful pathogens

Explanation:

The immune system is the body's defense system. It protects the body from things that can harm it such as bacteria, viruses, fungi, and toxins.

Hope this helps.

Answer:

its c

Explanation:

What will most likely increase if there is a high death rate? immigration emigration birth rate population

Answers

Answer:

Emigration

Explanation:

If there is a large number of deaths, then the population would move onto another area to find a mate, more food, and to be together to protect themselves from danger

The component of population that will most likely increase with a high death rate would be emigration.

When the death rate shoots up in a particular environment due to certain factors, organisms are bound to emigrate away from such environment to avoid death from reaching them.

It is a natural instinct of every living organism to respond to stimuli. A high death rate is a stimulus that organisms would want to move away from.

More on population growth can be found here:  https://brainly.com/question/2556439

Which is the correct sequence of events when the RER delivers transport vesicles to the Golgi apparatus? 1 – Small vesicles move material from one cisterna to the next. 2 – Enzymatic modification occurs. 3 – Arrival at the trans face. 4 – Arrival at a cisterna known as the cis face."

Answers

Answer:

The correct order of events when RER delivers transport vessicles to the Golgi apparatus are;

4,2,1,3

Arrival at a cisterna known as the cis face."

Enzymatic modification occurs.

Small vesicles move material from one cisterna to the next.

Arrival at the trans face.

Explanation:

Rough endoplasmic recticulum are flat sacs in the cytoplasm that help in the synthesis of protein. It vesicle or sac floats through the cytoplasm to the Golgi apparatus and is absorbed. The Golgi apparatus is an organelles in the cytoplasm that help to package protein into membrane bound organelle in the vessicles.

The vessicles that bud off join to the rough endoplasmic recticulum, Molecules travel through the Golgi apparatus through the vesicle transport till they get to the end of the assembly line at the biggest sacs from endoplasmic recticulum called the trans-Golgi.

Firstly, the particles arrive at cisterna known s Cis face. The cis face is the end of the organelle where substances enter from the endoplasmic reticulum for processing into the Golgi apparatus.

Then there is enzymatic modifications which is done by the activities of enzymes.

Small vessicles then Transport material from the cisterna.

It is then transported to the trans face. The trans face is where the particles leave in the form of smaller detached vesicles.

How do the frequencies of the waves compare?
O Wave A has a lower frequency because it has a
smaller amplitude.
O Wave A has a higher frequency because it has a
shorter wavelength.
The waves have the same frequency because they
have the same wavelength.
O The waves have the same frequency because they
have the same amplitude.

Answers

Answer:

O. Wave A has a higher frequency because it has a  shorter wavelength.

Explanation:

Wavelength refers to the distance between two crests while frequency refers to the number of waves passes through a specific point per second. Frequency and wavelength are inversely proportional to each other. Inversely proportional means if one increases, the other decreases and vice versa. If the frequency of the wave is higher so its wavelength becomes shorter and if the frequency of the wave is shorter so its wavelength is higher.

Answer: B.

Explanation: Wave A has a lower frequency because it has a longer wavelength.

When the teacher was handing out this test, you noticed that your respiration rate and heartbeat increased, your palms got sweaty, and your hand shook a little. Your pretest behaviors were triggered by the __________ nervous system. Upon completion of the exam, your body returned to its normal state by way of the __________ nervous system.

Answers

Answer: sympathetic nervous system & parasympathetic nervous system

What is one way people have negatively affected land resources?
habitat restoration
urbanization
terrace farming
reforestation​

Answers

Answer:

URBANIZATION

Explanation:

Urbanization is one way people have negatively affected land resources

which has lead to total exploit and in availability of those resources for us.

What are resources?

Resources are physical raw materials that originated from the earth which are useful for production and many things by humans and theses resources can be land, air,water and so on.

Resources are classified as either renewable and non renewable.

Renewable are resources that replenished itselves like water, wind.

Non renewable are resources that don't replenish itselves , example include fossil fuels.

Therefore, Urbanization is one way people have negatively affected land resources.

Learn more about resources below.

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How are penicillin antibiotics are made?

Answers

Answer:

penicillin?

Explanation:

Answer:

Penicillium mold naturally produces the antibiotic penicillin. 2. Scientists learned to grow Penicillium mold in deep fermentation tanks by adding a kind of sugar and other ingredients. This process increased the growth of Penicillium.

Explanation:

Hey..... ngl thats kinda sus.......

Which of the following mutations is NOT a point mutation? A. Silent mutation B. Nonsense mutation C. Missense mutation D. Insertion mutation

Answers

the answer is Insertion mutation :)

(search up "types of mutations")

Point mutation is the alteration of the single nucleotide base in the sequence. Insertion mutation is not a type of point mutation. Thus, option D is correct.

What is point mutation?

A point mutation is a modification and change in the base of the genetic sequence. In this type of mutation, only a single nucleotide base is altered. Point mutations are categorized as transition mutations and transversion mutations.

Silent, Nonsense, and missense are the transversion type of point mutation. In this mutation, the purines get altered by pyrimidines and vice versa. On the other hand, insertion mutation is the frameshift mutation.

Therefore, insertion is not a type of point mutation.

Learn more about point mutation here:

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Find the area of the shape shown below In a double-slit arrangement the slits are separated by a distance equal to 150 times the wavelength of the light passing through the slits. (a) What is the angular separation between the central maximum and an adjacent maximum During the last five years, average daily occupancy at Autumn Acres nursing home has slid from 125 to 95 even though Autumn Acres has cut its daily rate from $125 to $115. Do these data suggest that occupancy would have been higher if Autumn Acres had raised its rates? What changes in nonprice demand factors might explain this change? (The supply, or the number of nursing home beds in the area, has not changed during this period.) Which of the following business combinations is a vertical integration? A. The corner gas station buys the competitor across the street and shuts them down to increase its own market share. B. The corner gas station and the competitor across the street agree to set their prices at the same level. C. The corner gas station acquires the gasoline distributor to ensure they can get gas in times of shortages. D. The corner gas station starts selling fireworks during December/January and June/July. Drag the following terms or phrases to the sentences in which they belong. In this figure, and are parallel. is perpendicular to line segment . If the length of is a units, then the length of is units. Write a single scene that uses rich descriptions to build suspense. Use vivid imagery that conveys elements of the supernatural in order to present a single, suspenseful moment to your readers. For what values of a the following expressions are true: |a5|=5a DNA and RNA are structurally similar in some ways, but different in others. Identify whether each of the following statements applies to DNA, RNA, both or neither. 1. It can contain the pyrimidine cytosine. 2. It can contain the pyrimidine uracil. 3. This contains the sugar 2'-deoxyribose. 4. In terms of base composition, the %A = %C. 5. This contains the sugar ribose. 6. The bases are attached to sugars in a beta-N-glycosidic linkage. 7. It contains equal amounts of guanine and cytosine. 8. Sugars are connected with a 3'-5' phosphodiether link. If it takes 56.7 min for the concentration of a reactant to drop to 18.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1? You do not need to show your work. You can just write the answer in the space provided below the diagram above shows a rectangle inscribed in a circle AB=10 and AC =12 caculate the total surface area of the shaded part Santana Mortgage Company uses a process cost system to accumulate costs in its Application Department. When an application is completed, it is forwarded to the Loan Department for final processing. The following processing and cost data pertain to September.1. Applications in process on September 1, 1702. Applications started in September, 9303. Completed applications during September, 6604. Applications still in process at September 30 were 100% complete as to materials (forms) and 60% complete as to conversion costs.Beginning WIP: Direct materials $1,310Conversion costs 4,140September costs: Direct materials $5,114Direct labor 12,820Overhead 7,581Materials are the forms used in the application process, and these costs are incurred at the beginning of the process. Conversion costs are incurred uniformly during the process.Required:a. Determine the equivalent units of service (production) for materials and conversion costs.b. Compute the unit costs and prepare a cost reconciliation schedule. From studying Geert Hofstedes cultural dimensions, what differences exist between the United States and Brazil that may be relevant to your communication? 2. How can you use words to relate to each audience? 3. What images will you use for each audience? Identify the goods or animals that europeans introduced to the americas Someone please help! Thank you when was the strike in metal industry Where are the Sierra Madre Occidental and Sierra Madre Oriental located? A. Mexico B. Honduras C. Cuba D. Paraguay Two points on line p havecoordinates (2, 1) and (5, 3).The slope of the line is?A. 2B. 3/2C. 1D. 2/3E. 4 The following box plot shows the number of years during which 40 schools have participated in an interschool swimming meet: A box and whisker plot is drawn using a number line from 0 to 10 with primary markings and labels at 0, 5, 10. In between two primary markings are 4 secondary markings. The box extends from 1 to 6 on the number line. There is a vertical line at 3.5. The whiskers end at 0 and 8. Above the plot is written Duration of Participation. Below the plot is written Years. At least how many schools have participated for more than 1 year and less than 6 years? Jane, Paul and Peter can finish painting the fence in 2 hours. If Jane does the job alone she can finish it in 5 hours. If Paul does the job alone he can finish it in 6 hours. How long will it take for Peter to finish the job alone?