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Biological transmission differs from mechanical transmission in that biological transmission option B: involves reproduction of a pathogen in an arthropod vector prior to transmission.

When a pathogen reproduces inside a biological vector that spreads it from one host to another, it is said to have undergone biological transmission. The primary carriers of biological transmission are arthropods.

The fundamental distinction between mechanical and biological transmission is that during mechanical transmission, agents are simply transferred from an infected host or contaminated substrate to a susceptible host. During biological transmission, the agent develops and/or propagates within the vector.

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Symbiotic relationship between a snail & Clostridium worm is Symbiosis.

A mutualistic, commensalistic, or parasitic symbiosis is any type of close and long-term biological interaction between two different biological organisms. The organisms, each of which is referred to as a symbiont, must be of different species. Symbiosis can be obligatory, meaning that one or more symbionts rely on each other for survival, or facultative (optional), meaning that they can live independently. Mutualism is a type of symbiotic relationship in which both partners benefit.

A mutually beneficial interaction between a clownfish and an anemone is an example of a symbiotic relationship. The anemone's nematocysts, or stinging cells, protect the clownfish from predators and provide a safe place for clownfish pairs to lay their eggs.

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The correct answer is A. Eukaryotic cells are capable of specialization and forming multicellular organisms. Both prokaryotic and eukaryotic cells are capable of symbiosis, photosynthesis, and storing DNA.

Explanation:

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Answer: Heat energy can move from hot objects, liquids, gases, or spaces to cooler ones through three methods of transfer: conduction, convection, and radiation. Conduction is when heat passes through solid material to increase the temperature of whatever is beyond it.

Explanation:

Respiratory system is one of the major systems of the body that helps to oxygenate the blood for cell use.

The parts of the respiratory system include the following:

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Answer:

alligator and turtles sitting in a golf fairway

85°F is approximately equal to 29.4°C.

To convert Fahrenheit (°F) to Celsius (°C), you can use the following formula:

°C = (°F - 32) * 5/9

Using this formula, to convert 85°F to Celsius:

°C = (85 - 32) * 5/9

°C = 53 * 5/9

°C ≈ 29.4

This conversion is often used when dealing with scientific or international temperature scales, or when comparing temperatures in different geographic locations. It is important to remember that Celsius and Fahrenheit are two different temperature scales, Celsius is used extensively around the world while Fahrenheit is used more frequently in the United States and some other countries.

Therefore, 85°F is approximately equal to 29.4°C.

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To telecommunicate is to transmit information electronically.

This is referred to as the process in which information is transmitted through various types of technologies such as wire optical etc or other electromagnetic systems. It also brought about new discoveries such as the internet and phones.

This method is mostly used in today's world and has replaced the older means which involves writing letters or using of signals to convey an information because it is a very fast and safe means of exchanging information between two or more people and can travel very long distances thereby making it the most appropriate choice.

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The result that refutes the alternative hypothesis that selective permeability is a consequence of the cell wall is: B. When beetroot cells are placed in a solution containing cellulase, the solution remains clear.

Cell wall is a characteristic specific to the plant cells. These do not exist in the animal cells. Cell wall is made up of dead cells and provide the cell structure support and mechanical strength. The plant cell wall has a composition of cellulose, hemicellulose and pectin.

Semi-permeability is the feature of any membrane where it allows the passage of only few substances through it. In living cells, this characteristics can be found in cell membrane only and not in cell wall.

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Answer:

Explanation:

Its C

Rats' yellow hue is caused by the dominant allele A. Black coat color results from the dominant allele of R, an independent gene. Gray results from the interaction of the two dominants when they co-occur (A/_ R/_). Cream-colored rats belong to the genotype a/a r/r.

In people who only have one copy of the allele, which can come from one parent, a dominant allele results in a dominant phenotype. A recessive allele requires two copies—one from each parent—in order to result in a recessive phenotype in the individual.

When an allele is present in an organism, its trait always manifests itself as a dominant allele. It is spelled as XX or Xx.

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Substance A is converted to substance B in a chemical reaction. it adjusts the ph of the reaction medium. this statement best describes the role of an enzyme during this reaction.

The H+ ion concentration's negative logarithm is known as pH. As a result, the meaning of pH is justified as the strength of hydrogen.

Although less apparent, the mathematical definition of pH is more beneficial overall. It claims that the pH is equal to the negative logarithmic value of the hydrogen ion (H+) concentration.

[H+] = -log pH

The pH of a water source depends on how acidic or alkaline it is. The activity of the hydrogen atoms determines the pH level since this activity is a reliable predictor of the acidity or alkalinity of the water. The pH scale has a range of 0 to 14, with 7.0 being neutral, as may be seen below. According to conventional wisdom, water with a low pH is acidic, whereas water with a high pH is basic (alkaline). The pH of pure water should be 7.0, however because of the impurities in the water, water supplies appears acidic.

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Mitosis helps sequoia tree become so big in the following way: Mitosis makes more cells to repair or replace dead or damaged cells, and it makes more cells to help the tree grow (option C).

Mitosis is the division of a cell nucleus in which the genome is copied and separated into two identical halves. It is normally followed by cell division.

Mitosis is opposed to meiosis, which is a cell division that produces gametes by the dividing a diploid cell into four haploid cells.

Mitosis is retains the number of chromosomes of the parent cell in the offsprings. Mitosis describes the duplication and distribution of chromosomes, the structures that carry the genetic information.

One of the major functions of mitosis is the repair or replacement of damaged cells, hence, by so doing creates more and more cells that makes a living organisms grow in size.

Therefore, the sequoia tree mentioned will become big because of the activities of the mitotic process.

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Answer:

C. Sea Floor Spreading

Explanation:

The system which exposed the amphibians to wastewater is the cloaca which alone functions as an excretory, digestive and reproductive system.

This adaptive structure; cloaca of the amphibians affect the environment by means of the nature of their excretory substances through nutrients cycling and its decomposition.

That being said, amphibians belong to those groups of animals with backbones; that is, they are also vertebrates.

In conclusion, it can be deduced from the simple explanation given above that the cloaca help the amphibians to get rid of toxic nitrogenous substances out of their body.

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One issue that Alaska and the Artic are facing due to Climate Change is that ground ice becomes prone to thaw and collapse, which impact in life of people inhabiting these regions.

The term Climate Change makes reference to the sudden modification on the weather condition on the Earth over the past few decades, whose velocity of change is increasing and it is considered to be caused by human activities that generate global warming such as the burning of fossil fuels for industrial purposes.

In Alaska and the Artic, the melting ice is causing many problems associated with daily life in these regions The ground ice known is melting, and thereby structures on the surface may collapse due to this phenomenon.

Therefore, with this data, we can see that Climate Change causes the ice in the ground ice to thaw and thus collapse.

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Side effects (i.e. allergic reactions, seizure).If you use the wrong antibiotic it can kill cell and cause other effects

In order to help doctors choose the best course of therapy for their patients, the Kirby-Bauer disc diffusion susceptibility test evaluates the sensitivity or resistance of pathogenic microbes to various antibiotic drugs. Medicines called antibiotics are used to treat bacterial infections. Antibiotics come in a variety of varieties. Only specific microbes are resistant to each kind. Finding the antibiotic that will be most effective at curing your infection can be determined with the aid of an antibiotic sensitivity test.

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Hindrance in the production of osteoclasts will result in weak and brittle bones. This eventually leads to the bones of the hip, wrist, and spine weakness.

The function of osteoclasts is to resorb or break down bone. This is a process that is necessary for the maintenance of bone mass and for the repair of damaged bone.

This is necessary for the elimination of dead bone cells in the human body. The malfunctioning or stopping of the function of Osteoclasts weakens bones, making them prone to breaking from even minor stresses like coughing or stooping.

In worst cases, it leads to fractures in the regions of the hip, wrist, or spine. Bone is a living tissue that constantly degrades and is replaced so that the endurance and working of the bone are ensured throughout the body.

Therefore, Patrick would face severe problems with his bone, especially in his hip, spine, and wrists. All the bones in these regions will start to lose their strength and will become brittle and weak.

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Answer:

D, the reaction will release heat

Explanation:

exo means outser and thermic means heat

Cell theory states that all living organisms are made up of cells, which are structural and functional units of life. These are made from already preexisting cells.

Justification for the above sentence:

Knowledge is created through the process of science. Both thorough observation of occurrences and the creation of theories to explain those observations are essential to the process. Knowledge will always change since new observations could refute accepted ideas. No matter how well one theory explains a given collection of observations, it is always feasible that another theory will fit the same set of observations just as well, better, or across a larger range.

The majority of scientific knowledge is enduring, despite the fact that scientists reject the idea of discovering perfect truth and accept some doubt as a component of nature. Science typically modifies ideas rather than rejects them completely because strong theories are more likely to endure, advance in accuracy, and gain widespread acceptance. For instance, when developing the theory of relativity, Albert Einstein did not completely reject the Newtonian laws of motion but rather demonstrated that they were only a rough approximation with a more general concept.

This seems like a strange restriction because it is obvious that both modern science and the majority of earlier science is a social activity. For information, samples, techniques, and many other things, scientists depend on one another. Their interactions are occasionally competitive and frequently cooperative.

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The main purpose of a multiple cloning site is: (3)To provide a location where DNA can be inserted into a plasmid.

A multiple cloning site is a sequence in the DNA of an organism that consists the cut palindromic site for many restriction enzymes. This region is highly exploited in laboratories to insert DNA into the vector for its transmission into the host.

Plasmid is the closed circular double-stranded DNA molecule. It is particularly present in bacterial cells. It is an autonomously replicating genetic material i.e., it can replicate on its own. Plasmids are largely used as vectors for gene transfer.

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The Solar energy and the greenhouse effect impact Earth's global climate system by increasing the temperature on the surface of the Earth. There are several factors such as green house effect and air pollution that result in different climates in different parts of the world.

The greenhouse effect has been described as when gases in the earth's atmosphere has been trapped the heat from the sun that would otherwise escape into space. This concentration of the Solar energy has been trapped in the earth's lower atmosphere causes the temperature of the earth's surface to rise.

The greenhouse effect has been traps this heat energy in the earth's lower atmosphere. This could leads to increased temperatures on the surface of the earth and intense impacts on the global climate system.

Therefore, There are several factors such as green house effect and air pollution that result in different climates in different parts of the world.

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A representation of a cell in an isotonic solution. The cell's size stays the same since it is placed in an isotonic solution

Answer:

This process occurs in three major stages, and one intermediate stage

glycolysis, oxidation of pyruvate, the Krebs cycle, and electron transport

Explanation:

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The following which best describes the flow of energy in the Everglades food web shown below is Sawgrass → insects → Southern leopard frog → raccoon → American alligator; about 10 percent of the energy in one trophic level is transferred to the next trophic level and is denoted as option C.

This consists of all the food chains in the ecosystem and it shows the feeding relationships between organisms.

Primary producers such as saw grass starts a food web while tertiary consumer such as american alligator end it with about 10 percent of the energy in one trophic level being transferred to the next.

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Answer:

If the Earth did not rotate, wind would blow in a straight line. But since the Earth is rotating beneath the wind, the path it follows becomes a curve. In the Northern Hemisphere, the Earth rotates counterclockwise so the wind is deflected to the right.

Explanation: