The bacterial species Staphylococus aureus is found on the skin and in the nasal passages of about 20% of the human population. It can survive on polyester for 3 months and can also infect cows and chickens. Thus, its relationship with humans is:

Answers

Answer 1

The bacterial species Staphylococus aureus is found on the skin and in the nasal passages of about 20% of the human population. It can survive on polyester for 3 months and can also infect cows and chickens. Thus, its relationship with humans is obligate.

The tight ties that develop between species pairs are referred to as symbiotic interactions. They can take many different shapes, including parasitism (where one species gains and the other suffers) and commensalism (where one species gains and the other is neither damaged nor helped).

Mutualism is a sort of symbiotic association in which all of the participating species gain from one another. Even though mutualism is extremely complicated, it may be loosely divided into two different kinds of relationships. Some species are completely reliant on one another (obligate mutualism), whereas other species benefit from their interaction but might exist independently (facultative mutualism).

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Related Questions

the rapid gain in brain size that ocurs during a child's first two years of life is largely due to:

Answers

The rapid gain in brain size that occurs during a child's first two years of life is largely due to neurogenesis and synaptogenesis.

Neurogenesis is the process of generating new neurons, while synaptogenesis is the process of forming connections between neurons.

Both processes are very active during the early years of life and are responsible for the rapid increase in brain size and complexity that occurs during this time.

In addition to neurogenesis and synaptogenesis, other factors that contribute to the rapid gain in brain size during the first two years of life include myelination, which is the process of forming a myelin sheath around nerve fibers that increases the speed of neural communication, and the growth and development of glial cells, which play a crucial role in supporting and maintaining the health of neurons.

Overall, the early years of life are a critical period for brain development, and the experiences and environment that a child is exposed to during this time can have a profound impact on their long-term cognitive and behavioral outcomes.

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The image below represents part of what process? (4 points)
Mitosis
Meiosis
Conjugation
Binary fission

The image below represents part of what process? (4 points)MitosisMeiosisConjugationBinary fission

Answers

I believe it’s binary fission

Answer:

binary fission I believe

Explanation:

I just studied this like a month ago

Which is illustrated in the diagram

Answers

Answer:

There is no picture of a diagram

6 steps of genetic engineering

Answers

Answer:

Genetic engineering is accomplished in three basic steps.

These are

(1) The isolation of DNA fragments from a donor organism;

(2) The insertion of an isolated donor DNA fragment into a vector genome and

(3) The growth of a recombinant vector in an appropriate host.

Explanation:

Stages of genetic engineering include:

identify a section of DNA that contains the required gene from the source chromosome,extract required gene,insert a required gene into vector/bacterial plasmid,insert plasmid into the host cell,grow transformed cells to produce a GM organism

Genetic engineering is a method of modifying or manipulating the DNA of organisms to change their characteristics or create new ones. Here are the six steps of genetic engineering:

1. Identification of target gene

2. Isolation of the target gene

3. Insertion of the target gene into a vector

4. Transformation of host cells

5. Selection and screening of transformed cell

6. Verification of gene expression

Finally, the expression of the target gene is verified to ensure that it is functioning properly and producing the desired trait or characteristic in the organism.

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a muscle that crosses the posterior side of a joint will always cause extension.
T/F

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False, a muscle that crosses the posterior side of a joint may also cause flexion depending on its action.

A muscle's action is dependent on its orientation and attachment points, not just its location. While a muscle that crosses the posterior side of a joint can cause extension, it may also cause flexion if its fibers are oriented in that direction.

For example, the biceps brachii muscle crosses the posterior side of the elbow joint, but its action is flexion of the elbow. Similarly, the hamstrings cross the posterior side of the knee joint and can cause flexion or extension depending on the action required. Therefore, it is important to consider the orientation and attachment points of a muscle when determining its action and not just its location.

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Examples of absolute age

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For example, the decay of potassium-40 to argon-40 is used to date rocks older than 20,000 years, and the decay of uranium-238 to lead-206 is used for rocks older than 1 million years.

Is sea horse fish or a mammal​

Answers

Answer:

it's a fish

because they live under water and have gills and a swim bladder

Answer:

fish

Explanation:

it live in water and breathe through gills

Sarah learned that the steps of transcription and translation are similar to baking a cake from a recipe. The cell's genome is like a cookbook, with step-by-step directions. The mRNA copy is like writing down a copy of the instructions to give to someone else. What would the amino acids be most similar to?

Answers

The amino acids would be most similar to the ingredients used in the recipe.

When the mRNA moves out of the nucleus, it then gives the instructions (the genetic sequence) to someone else, which is tRNA. During translation, the tRNA and mRNA complex reads the genetic sequence and then binds required amino acids, sequentially. Thus, the combined amino acid chain forms the desired protein.

Therefore, the amino acids are the ingredients and the protein is the final dish.

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mention for comparisons among taxis,nastism and tropic ​

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Tropism is the term used to describe the directional movement of plants, whereas taxis is used to describe the directional movements of animals in reaction to a stimulus.

What exactly is nastism?

Nastisms, also known as nastic motions, are typically found in plants and are non-directional reactions to stimuli (such as temperature, humidity, and light irradiance). Movement in plants can be caused by changes in turgor or growth, hence K+ ion concentration often regulates such movement in plants.

What distinctions exist between tropism and taxis?

Tropism is defined as the directional movement of plants, whereas taxis is defined as the directional movement of animals in response to a stimulus. The most prevalent taxi types are chemotaxis and phototaxis, which react to light (in response to chemicals).

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What is the conflict at the heart of the hero’s life as they know it and their eventual destiny? how do frodo baggins and katniss everdeen exemplify this stage of the hero’s journey? cite evidence from the text to explain.

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He is aware that the conflict that drives the hero's existence and determines his ultimate fate forces the hero to embark on an adventure

As he knows, the hero's ultimate fate and the conflict at the center of his existence invite the hero into an adventure and ask him to leave the regular world in pursuit of anything that creates conflict.

They may be able to ignore the phone at first, but they soon realize    that something vital is at risk.The protagonist is in the normal world during exposure, generally in his or her hometown or native environment.

The term "hero journey" refers to the tale of a figure on a quest for a certain destination. The protagonist's journey reveals all of the experiences the character had while pursuing his goals and how they shaped his character and personality.

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Chloe reads that given the correct conditions, cuttings from certain plants will form roots along the stem, enabling a new plant— identical to the parent plant—to grow. Chloe wants to investigate whether rooting hormone is beneficial or detrimental in this process. She takes cuttings from a shrub. For Group 1, she places some shrub cuttings in potting soil in partial shade. For Group 2, she dips some shrub cuttings in rooting hormone, places them in potting soil, covers them with a clear dome, and places them in direct sunlight. She waters the groups equally. She pulls up some cuttings after 3 days and again after 6 and 9 days to observe and measure root growth. Write a hypothesis for Chloe's experiment.

Answers

Answer:

The correct answer is - If you use the rooting hormone when cloning plants from cuttings, then it will be beneficial for the cuttings.

Explanation:

A hypothesis is a possible explanation or solution behind the particular natural world process or phenomenon. It is formed on the basis of the observation of the phenomenon or process, how it works or what characteristics it shows.

In this study, it is found that the root hormones promote the growth in the clonings from the cuttings of plants thus, the provided hypothesis is the correct hypothesis for the experiment given.

a condition in which the kidney is enlarged and contains many cysts is

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A condition in which the kidney is enlarged and contains many cysts is called polycystic kidney disease (PKD). It is a genetic disorder characterized by the growth of multiple fluid-filled cysts in the kidneys.

These cysts gradually enlarge and replace healthy kidney tissue, leading to the progressive loss of kidney function over time. PKD can cause various symptoms, including abdominal pain, high blood pressure, urinary problems, and kidney stones.

It can also lead to complications such as kidney infections, kidney failure, and cysts in other organs. PKD can be inherited, with two main types: autosomal dominant PKD (ADPKD) and autosomal recessive PKD (ARPKD).

ADPKD is the most common form and usually develops in adulthood, while ARPKD is a rare form that primarily affects infants and children. Treatment for PKD focuses on managing symptoms, controlling blood pressure, and preserving kidney function through medications, lifestyle modifications, and, in severe cases, kidney transplantation.

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A researcher placed a sample of purified lipid in a test tube containing water. She observed the formation of spherical micelle structures in the solution. Ultrastructural analysis of the micelles showed a light outer shell and a denser inner core.

Use the passage to answer the question.

The researcher hypothesizes that the lipid micelles are held together by non-covalent interactions. She tests this hypothesis by vigorously agitating the solution. Which of these observations would provide the STRONGEST support for her hypothesis?

A.
The number of micelles decreases, and the size of the micelles decreases.

B.
The number of micelles increases, and the size of the micelles decreases.

C.
The number of micelles decreases, and the size of the micelles increases.

D.
The number of micelles increases, and the size of the micelles increases.

6 / 24

Answers

The hypothesis that supports that micelles are held together by non-covalent interactions are: (B) The number of micelles increases, and the size of the micelles decreases.

Non-covalent interactions are the bonds that are formed without the sharing of electrons. The example of the same are: ionic bonds, hydrophobic interactions, hydrogen bonds and Van der Waals forces.

Micelles are the spherical structures formed by lipids in aqueous solution. The hydrophobic tail of the micelles remains on the inside while the hydrophilic head remains on the outside. Since the micelles are held together by non-covalent interaction, they can break off easily upon constant agitation. This is why the micelle size decreases. Since it is the tendency of lipids to form micelles in aqueous solution, the separated lipids due to agitation will again join together to form another micelle, hence their number increases.

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Responding to the environment is a charestic of the life best shown by which example

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Responding to the environment is a characteristic of the life best shown by a living organism.

What is a Living organism?

This is referred to as a biological entity which is capable of transferring genetic traits to its offspring and also undergoes cell division which ensures its body parts grow. They are also involved in the search for food and other types of nutrients for their normal functioning.

Living organisms are able to perform such functions such as the following below:

GrowthIrritabilityMovementReproductionRespirationExcretion etc.

Plants and animals possess special structures which enable them respond to different types of stimuli such as heat, cold etc. This enables the body system adjust and adapt thereby increasing the survival chances of the organism.

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What is also known as tissue hormones and work in local areas to help regulate processes such as respiration, blood pressure, and digestive system secretions?

Answers

Prostaglandins, commonly referred to as tissue hormones, function locally to help control bodily functions like breathing, blood pressure, and digestive secretions.

What results in elevated prostaglandin levels?

Your risk of developing unusually thick uterine lining increases as you eat more meals high in estrogen. Because of this, as it starts to degrade throughout the menstrual cycle, this process generates more prostaglandins, increasing pain.

Prostaglandins: Why do they make us hurt?

Prostaglandins operate directly on nerve endings to induce pain when they are present in high amounts. But more often than not, they sharply increase pain sensitivity at low dosages. Even ordinarily harmless stimuli could become painful due to changed pain thresholds.

Why are prostaglandins produced by the body?

The production of the inflammatory response is significantly influenced by prostaglandins. They contribute to the primary symptoms of acute inflammation and their production is markedly elevated in tissue that is inflamed.

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Question 19 of 38
What is the main goal of a human community?
A. To make and follow rules through political process
B. To preserve human culture and language
C. To analyze group behavior through observation
D. To meet human needs through collective effort

Answers

The word "community" is still used to describe an extremely close-knit group of people who work closely together to take care of one another's needs, hence option D is correct.

What is the human community?

It permits us to maintain ongoing progress in our relationships with one another, in ourselves, and in our surroundings.

A community can take several forms, including a physical location where people are geographically connected or an online setting like social media groups or private community platforms.

Therefore, members of this highly integrated group are connected to one another by shared interests and sympathies.

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how would the soil biota be affected by using traditional chemical pesticides

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The use of traditional chemical pesticides can have detrimental effects on soil biota. These pesticides are designed to be toxic to pests, but they can also harm non-target organisms in the soil ecosystem.

Direct toxicity from pesticides can lead to the death or reduced populations of beneficial soil organisms such as bacteria, fungi, earthworms, and other invertebrates. This can disrupt important ecological processes like nutrient cycling and soil structure maintenance. Pesticides can also disrupt the balance of microbial communities, altering their composition and activity.

Additionally, the elimination of pest insects through pesticide use can impact higher trophic levels, reducing food sources for predatory organisms. The persistence of some pesticides in the soil further exacerbates their impact on soil biota. To minimize these effects, alternative pest management approaches that prioritize ecological sustainability, such as integrated pest management, are being adopted.

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I need help on this and the person who answer this correctly gets a BRANLIST(answer if you know)​

I need help on this and the person who answer this correctly gets a BRANLIST(answer if you know)

Answers

Answer:Option A

Explanation:pH decreases with increase in temperature

Type the correct answer in the box. Spell all words correctly.
What is the correct term for the impact that distance from the ocean can have on climate?
The way in which relative distance from the ocean can produce significant differences in climate is termed as
.

Answers

The correct term for the impact that distance from the ocean can have on climate is continentality.

The way in which relative distance from the ocean can produce significant differences in climate is termed as Continentality.

What is Continentality?

Continentality can be described as the climate condition  whereby less energy is needed to heat a location and in the process the water bodies do not influence temperature much or at all.

This can be further explained that the  farther you are away from an  large body of water, then there will be a greater seasonal temperature swing.

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Fertilizer runoff causes an increase in the dissolved nutrients of the ecosystem shown in the food web below. This causes the number of phytoplankton to double.

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Fertilizer runoff is rich in nutrients such as nitrogen and phosphorus, which causes an increase in the dissolved nutrient levels in aquatic ecosystems which causes an increase in the amount of phytoplankton.

Thus, these nutrients act as a fertilizer, which results in the rapid growth of phytoplankton, and their population size gets doubled. This leads to an increase in the population of primary consumers such as zooplankton and small fish that feed on them in aquatic ecosystems.

However, if the phytoplankton population grows too large, algae and other aquatic plants also increase in aquatic ecosystems, which leads to oxygen depletion and harmful algal blooms, thereby, disrupting the entire ecosystem.

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Which type of cytoskeletal element is characterized as a hollow, rigid cylindrical tube with walls composed of tubulin subunits

Answers

Microtubule is the ans

Is the following statement TRUE or FALSE?

Abiotic factors do NOT affect which organisms can live in a particular
biome.

True

False

Answers

I think it’s false because an abiotic factor such as the sun would affect a plant meant to live in a cold place, and rain affects plants that need a lot of it
Pls give brainliest

Answer:

False

Explanation:

Abiotic factors non-living things that shapes the environment and is needed for organisms to survive. For example, water is an abiotic factor, and is needed in an organism's home.

what is biodegradation? multiple choice breaking up the plastics into small pieces before putting them into a landfill breaking down polymers into carbon dioxide and water a way to dispose of natural polymers only using bacteria and fungi to eat the waste plastic

Answers

Biodegradation is the process of breaking down organic substances by using biological organisms like bacteria and fungi.

It is a natural process that occurs over time and can be used to dispose of certain types of waste, including natural polymers like plant material. Biodegradation works by breaking down complex polymers into simpler compounds, such as carbon dioxide and water, which can be absorbed into the surrounding environment. This process can occur in a range of settings, including landfills, compost heaps, and water bodies. Biodegradation is not limited to natural polymers and can also occur with synthetic materials like plastics. However, it is important to note that not all plastics are biodegradable and require specific conditions, such as high temperatures and moisture, to degrade.

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In a population of wild bees, a mutation resulted in slightly larger wingspan in some of the bees. This larger wingspan made the bees more efficient in their flights to flowers to collect nectar. Thus, these bees became more successful. This trait was passed on to offspring, and eventually the larger wingspan variety of bee replaced their smaller-winged relatives completely. It could be said that ____ favored the bee with the larger wingspan, and so the ____ evolved

Answers

Answer:

The correct answer is - natural selection, population.

Explanation:

In this case, the wild bees population experienced a mutation which helps in become more eeficient to fight for nector. This bees population is more sucessful to other that didnt recieved mutation and this mutation as it is adavtageous.

Natural selection always favored beneficial traits for the organisms to eveolved in generation therefore, these population is more succesful and replaced the short winged bees.

in systemic acquired resistance, which molecule is transported throughout the plant? salicylic acid phytoalexins polysaccharides pr proteins

Answers

In systemic acquired resistance, the molecule transported throughout the plant is salicylic acid.

Systemic acquired resistance (SAR) is a form of plant defense response that occurs after an initial infection, where the plant can mobilize its defense mechanisms systemically to counteract future pathogen attacks. In this process, the plant hormone salicylic acid (SA) is rapidly synthesized and transported to various parts of the plant, where it acts as a signal to induce a broad-spectrum defense response.

The presence of salicylic acid in the plant triggers the expression of genes involved in pathogen defense, including the production of phytoalexins and pathogenesis-related (PR) proteins, which are toxic to pathogens. Additionally, salicylic acid can enhance the plant's overall immunity by priming the plant's defense system and enhancing the plant's ability to respond to subsequent pathogen attacks.

Therefore, in SAR, salicylic acid is the molecule that is transported throughout the plant.

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Eye color is an inherited trait that is passed down from parent to offspring. Which of the following best explains the variation of eye color in humans?

A. the number of nucleotides present

B. the sequence of nucleotides in the gene

C. the diets of the individuals

D.the pattern of phosphates and sugars

Answers

d. the pattern of phosphates and sugars

what must change in the ecosystem for trees to appear

Answers

Of course, we already have trees in our ecosystem. If we were to gain more trees, then we need everybody to stop cutting them down for their gain. Nevertheless, we still need to use some trees to have mandatory everyday items. Trees partially need sunlight to grow and gain energy. With global warming gradually increasing, we may already have what we need to see trees continue to thrive. It is also helpful to plant trees ourselves; it is not a big difference, but it still helps.

There is also primary succession, this is the process of how trees grow. See more below.

Hope this basic outline helped, let me know if you need more info.

what must change in the ecosystem for trees to appear

enveloped viruses may enter their host cells by engulfment within coated vesicles (endocytosis). T/F ?

Answers

The statement "enveloped viruses may enter their host cells by engulfment within coated vesicles (endocytosis)" is true because

Endocytosis is a cellular mechanism in which substances, such as viruses, are engulfed by the cell membrane and brought into the cell within membrane-bound vesicles called coated vesicles. The viral envelope, which is a lipid bilayer derived from the host cell membrane, allows the virus to merge with the cell membrane and facilitates endocytosis.

The interaction between viral surface proteins and specific receptors on the host cell surface triggers endocytosis. Once inside the cell, the coated vesicle carrying the virus typically fuses with an endosome, a membrane-bound compartment that transports and sorts materials within the cell. The acidic environment of the endosome promotes the fusion of the viral envelope with the endosomal membrane, which then releases the viral genetic material into the cytoplasm.

In summary, enveloped viruses enter host cells through endocytosis by being engulfed within coated vesicles. This process allows the virus to deliver its genetic material into the host cell, where it can hijack the cellular machinery to replicate and produce new virus particles. This method of entry is common among enveloped viruses and contributes to their ability to infect and spread within host organisms.

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Help with my homework plz

Help with my homework plz

Answers

Answer:

The correct answer is D.

Explanation:

RR, WW, RW

What is a cactus' environmental pressures?

Answers

Explanation:

high temperature and low rainfall this leads to the need for adaptation to conserve water and tolerate extreme heat one of the main environmental pressures for cacti is water

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