in a municipal water treatment plant, the primary treatment step consists of

Answer:

NaCl

Explanation:

Answer:

The hyoid bone

Explanation:

The hyoid bone is the only bone in humans that does not articulate with any other bone, but only has muscular, ligamentous, and cartilaginous attachments

respuesta: el hueso hioides, es un hueso delgado y en forma de U. esta suspendió justo debajo de la mandíbula. este hueso no este único directamente con ningún otro hueso

Answer:

Explanation:

the base pair of adenine is thymine they are equal in amount in RNA so if 30% of the nucleotide in RNA is adenine so the percentage of thymine would also be equal to adenine that is 30%

If the DNA strand has 30% Adenine in its composition, it means that the same DNA strand has 30% thymine in its composition.

This is because:

In this case, we can conclude that if the DNA has 30% of Adenine, it is mandatory that this same DNA has 30% of Thymine.

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Answer: The correct answer is Dominant

Explanation:

just took the test on edge 2020 and got an 100%

The correct answer is the trait for purple flowers is dominant.

Heterozygous refers to an individual or organism that has two different alleles for a particular gene. Alleles are different forms of a gene that determine different variations of a particular trait.

In this case, a homozygous dominant purebred white flowering plant crosses with a homozygous recessive purebred purple flowering plant, resulting in offspring (which are heterozygous) that have one dominant allele for purple flowers and one recessive allele for white flowers.

The progeny exhibit the purple flower characteristic because the dominant allele for purple flowers is expressed over the recessive allele for white flowers.

Therefore, the purple flower trait is dominant over the white flower trait in this genetic cross.

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Answer:

it can be a hard like thing to get it from each

The viscosity of a starch-thickening solution decreases when sugar is added. So, this is the right response.

Maltose and sucrose have also been demonstrated to be more successful than glucose and fructose at reducing breaking stress during storage because sugar disrupts the interaction of starch chains, which prevents recrystallization.

A high quantity of sugar applied to the starch will prevent the granules from expanding. Even after lengthy heating at room temperature, the starch won't fully gelatinize. The filling that results has a thin consistency, a dingy color, and a cereal-like flavor.

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1. c. Haplotype Recombinant.

2. c. trisomy 21 > Robertsonian translocation > PKU syndrome.

1. The term that does not involve multiple loci is c. Haplotype Recombinant. Haplotype refers to a set of genetic variations on a single chromosome, while recombinant refers to the reshuffling of genetic material during meiosis. It does not inherently involve multiple loci, but rather the arrangement of alleles at a single locus.

2. The correct order of DNA alterations, in large to small scales, that cause the phenotypes mentioned is c. trisomy 21 > Robertsonian translocation > PKU syndrome. Trisomy 21 refers to the presence of an extra copy of chromosome 21, resulting in Down syndrome, which is a large-scale alteration involving a whole chromosome. Robertsonian translocation involves the fusion of two acrocentric chromosomes, often resulting in rearrangements and genetic disorders. Phenylketonuria (PKU) syndrome, on the other hand, is caused by alterations in a single gene, resulting in the inability to metabolize phenylalanine. Therefore, the order from large-scale to small-scale DNA alterations is trisomy 21, Robertsonian translocation, and PKU syndrome.

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Answer:

The direction of sunlight

The amount of resources they had access to

Explanation:

the answer is 3

Explanation:

sunflower go the direction the sun is

The correct option is C. A cup of Black coffee just contains boiled water and coffee granules, making it a homogenous mixture.

A solid, liquid, or gaseous entity that has the same component proportions throughout is referred to as a homogeneous mixture. Every component of a homogeneous solution is the same because the solution exhibits a uniform or constant property throughout. Homogeneous mixtures include, but are not limited to, air, sugar water, black coffee, wine, steel, brass, blood, vinegar, etc. Black coffee just contains boiled water and coffee granules, making it a homogenous mixture. White coffee, however, is typically mixed with sugar, milk, cream, and other ingredients, making it a heterogeneous mixture. Yet in freshly brewed coffee, the ingredients are thoroughly combined, and each component has an equal amount of each.

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Answer:

Explanation:

B I think

i found it on google so sorry if I am wrong. I am DUMB

Answer:

The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs). On Earth, human activities are changing the natural greenhouse

Explanation:

mark brianiest

The component that makes starch agar selective for starch-degrading bacteria is Starch.

Starch agar is a differential medium used to identify organisms capable of breaking down starch. Bacteria are frequently tested on a starch agar plate to determine if they can hydrolyze starch. Many microbes make amylase, which breaks down starch into glucose molecules.

Because it contains starch, the agar can be used to determine whether an organism produces the enzyme amylase, which digests starch into glucose. Starch agar is a selective and differential medium used to determine if an organism produces a-amylase or oligo-1,6-glucosidase enzymes that break down starch.

Starch is included in the agar as the carbon source, and Gram-positive bacteria that generate α-amylase or oligo-1,6-glucosidase enzymes can degrade the starch molecules, leaving a clearing in the agar around the bacterial colony.

The advantages of using starch agar are as follows: It provides a simple method for screening bacterial isolates for the production of extracellular amylase. Starch hydrolysis can be a useful characteristic in differentiating bacterial species. Bacteria that produce extracellular amylase can be used in many industrial applications, including bioremediation, wastewater treatment, and the production of pharmaceuticals, food, and beverages.

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Laying the groundwork for the 'germ theory of disease, Louis Pasteur discovered that organisms cannot spontaneously arise, but must be introduced into an environment.

Louis Pasteur was a chemist and microbiologist. He is known for the discovery of vaccines, fermentation, and pasteurization.

The germ theory is given by Pasteur. He first of all states that process fermentation is done by living organisms, bacteria, and yeast.

Thus, option B. Louis Pasteur is correct.

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The milkweed plant feeding the caterpillar is an example of a) interdependency.

Interdependency refers to the relationship between two or more organisms that rely on each other for survival or benefit. In the case of the milkweed plant and the caterpillar, they have a mutually beneficial relationship.
The milkweed plant provides a source of food and shelter for the caterpillar. The caterpillar feeds on the leaves of the milkweed plant, which provide essential nutrients for its growth and development. Additionally, the plant's leaves serve as camouflage for the caterpillar, protecting it from predators.
On the other hand, the caterpillar benefits the milkweed plant by pollinating its flowers. When the caterpillar transforms into a butterfly, it collects pollen on its body while feeding on the nectar of the milkweed flowers. As the butterfly visits other flowers, it transfers the pollen, enabling the plant to reproduce and produce seeds.
This interdependency between the milkweed plant and the caterpillar highlights how different species can rely on each other for survival and reproduction. It also showcases the interconnectedness and complexity of ecosystems, where each organism plays a vital role.

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The process by which a stem cell becomes specialized into a specific type of cell in a multicellular organism is called cell differentiation, which is present in the first option.

Cell differentiation is the process by which a single stem cell is converted into another cell type by receiving and responding to a specific type of stimulus. The stem cell can be of different types, such as totipotent stem cells or multipotent stem cells, and make different kinds of cells.

Hence, the process by which a stem cell becomes specialized into a specific type of cell in a multicellular organism is called cell differentiation, which is present in the first option.

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By applying the cylinder and sphere volume formula into E.coli components, it can be concluded that:

E.coli are rod-shaped or cylinder-shaped cells. E.coli has a protective cell envelope and is capable of growing and multiplying rapidly because it contains some spherical ribosomes.

The density of the cell can be calculated by dividing its mass by its volume.

Volume cylinder = πr²h

Volume sphere = 4/3πr³

Density = mass / volume

A. The mass of a single cell

First, we have to determine the volume with r = 0.4 μm = 4 x 10⁻⁵ cm, and h = 2 μm = 2 x 10⁻⁴ cm

v = πr²h

  = 3.14 x (4 x 10⁻⁵cm)² x 2 x 10⁻⁴cm

  = 100.48 x 10⁻¹⁴ cm³

  ≈ 1 x 10⁻¹² cm³

  = 1 x 10⁻¹⁵ dm³

  = 1 x 10⁻¹⁵ L

As we know the density and obtain the volume, we can calculate the mass as follows:

mass of a cell = density x volume

                       = 1.1 x 10³ x 1 x 10⁻¹⁵

                       = 1.1 x 10⁻¹² gram

B. Percentage of the total volume of the bacterium the cell envelope occupies

First, we determine the volume of a cell without envelope:

v = πr²h

  = 3.14 x (0.4 - 0.01 μm)² x (2 - (2 x 0.01) μm)

  = 3.14 x (0.39 μm)² x (2 - 0.02 μm)

  = 3.14 x (0.39 μm)² x 1.98 μm

% of the total volume of the bacterium the cell envelope occupies:

= volume without envelope / volume with envelope x 100%

= (3.14 x (0.39 μm)² x 1.98 μm) / (3.14 x (0.4 μm)² x 2 μm) x 100%

= 0.301158 / 0.32 x 100%

= 94%

C. Percentage of the cell volume the ribosomes occupy

To determine the percentage, we have to determine the volume of all ribosomes:

Volume of all ribosomes = number of ribosomes x 4/3 x π x r³

                                         = 15000 x 4/3 x π x (9 x 10⁻³ μm)³

                                         = 20000 x 3.14 x 729 x 10⁻⁹μm³

                                         = 14580000 x 3.14 x 10⁻⁹μm³

                                         = 3.14 x 1.458 x 10⁻²μm³

% of the cell volume the ribosomes occupy:

= volume of all ribosomes / volume of cell x 100%

= (3.14 x 1.458 x 10⁻² μm) / (3.14 x (0.4 μm)² x 2 μm) x 100%

= (1.458 x 10⁻² μm) / (0.32) x 100%

= 4.56%

Thus, the mass of the cell is 1.1 x 10⁻¹² gram, the cell envelope occupies 94% of the total volume of the bacterium, and the ribosomes occupy 4.56% of the cell volume.

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Statement regarding mRNA that is false : c.)it is always monocistronic

Eukaryotic mRNAs are not always monocistronic, meaning that they each encode only a single polypeptide. Prokaryotic mRNAs of bacteria and archaea are commonly polycistronic implying  that they encode multiple polypeptides

mRNA carries genetic information from DNA to ribosomes and ribosomes are the site for synthesis of protein . The process of translation occurs in ribosomes. Genetic information is all of the information stored in our DNA which stands for “deoxyribonucleic acid" and  it looks like a twisted ladder, known as a double helix.

Transcription is the process by which the information in a strand of DNA is copied into mRNA.

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Answer:

Since unrelated people have almost

certainly a different number of repeating units, the DOS

can be used to distinguish between people

unrelated. These STR loci (locations on a

chromosome) are targeted with primers specific to the

sequence and amplified by PCR. ... Thus the STR analysis provides a

excellent identification tool.

Explanation

Answer:

A

Explanation:

With Embryology, scientists are trying to see similarities in different organisms' embryo and embryological development to determine if they share a common ancestor. This is a big strategy used by scientists.

Hope this helps!

Answer:

3000J

Explanation:

W = F x D

W = 300N x 10m

W = 3000J

Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.

Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.

Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.

The chemical equations involved in acid deposition formation are:

  a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)

  b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)

Acid deposition can be classified into two types: wet deposition and dry deposition.

  a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.

  b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.

The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.

A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.

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Answer:

below and pls make me brainliest

Explanation:

The researchers discovered that the human heart has evolved to be better at tolerating endurance type of activities, rather than short and intense bouts. Also, they found that those individuals who engage in activities for endurance sports will have longer, larger, and more elastic left ventricles.

The three multicellular kingdoms are Plantae, Animalia, and Fungi. These kingdoms can be distinguished based on their life cycle differences.

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When the niches of two species overlap and they share the same resources, competition can occur.

Camouflage copies a part of the environment while mimicry copies another organism.

Coevolution is a process where two or more species reciprocally affect each other's evolution through natural selection. This process occurs when two species have a close ecological relationship, such as predator-prey, host-parasite, or mutualistic interactions. In these relationships, the evolution of one species affects the evolution of the other and vice versa, leading to a coevolutionary arms race.

Parasitism harms another organism while mutualism benefits both organisms.

Primary succession begins from a habitat where other organisms are not present while secondary succession begins from a pre-existing species.

Stability is maintained by the process of homeostasis.

A population's range of tolerance is known as its carrying capacity.

R-selected species, also known as "opportunistic" species, are organisms that have a high reproductive rate, but typically have a lower chance of survival. These organisms are often found in unstable or unpredictable environments, where resources are limited and environmental conditions are highly variable. Examples of r-selected species include many insects, small mammals, and annual plants.

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Except in cases of polyploidy, sympatric speciation usually requires the action of disruptive selection.

The most frequent instances include disruptive selection, in which a population is simultaneously driven in two directions by natural selection. For instance, two very different plant species that are present in the same location may be chosen to be used by a population of herbivorous insects.

Sympatric speciation happens when all members of a species are located close to one another and there are no physical obstacles prohibiting them from mating. It appears that a new species spontaneously emerges, possibly based on a different food supply or trait.

Sympatric speciation can happen when a person acquires an abnormally low or high number of chromosomes either additional ones (polyploidy) or fewer ones making interbreeding no longer possible.

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If we have information about the area of the garden that the snails occupy, we could calculate the population density.

What is Density?

A substance's density is determined by how much mass there is per unit volume. Typically, it is measured in kilogrammes per cubic metre (kg/m3) or grammes per cubic centimetre (g/cm3). The density equation is:

density equals mass/volume

Without additional information, it is impossible to determine the population density of snails in a 1 mi^2 garden with a population of 45.

Population density is calculated by dividing the population of a particular species by the area of the habitat that the species occupies.

Therefore, if we have information about the area of the garden that the snails occupy, we could calculate the population density. For example, if we know that the snails occupy half of the garden (0.5 mi^2), we could calculate the population density as:

Population density = Population / Area

Population density = 45 snails / 0.5 mi^2

Population density = 90 snails/mi^2

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Microscopic techniques offer 3-dimensional snapshots of a bacterial mobile: (b) Scanning electron microscopy.

Skin cells, microorganisms, and a few forms of algae are all microscopic, or too small to peer at without a microscope.

A microscope is a laboratory instrument used to look at items that can be too small to be visible using the bare eye. Microscopy is the science of investigating small gadgets and structures using a microscope. The microscopic way is invisible to the attention except aided by means of a microscope.

Microscopy is the technical subject of the usage of microscopes to view samples & gadgets that can not be seen with the unaided eye (objects that aren't in the resolution variety of the everyday eye). Microscopic anatomy (micro; small) is a department of anatomy that relies on the use of microscopes to study the smallest structures of the frame; tissues, cells, and molecules. The quantity to which microscopic anatomy may be tested is constrained via the device to be had.

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Answer: If this doesn't help just let me know

The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment.

The interaction between humans and water and plants and soil are examples of the influence of biotic factors on abiotic ones.

Biotic and abiotic factors are biological terms to refer to:

According to the above, living beings (biotic factors) can affect abiotic factors such as water because they contaminate it with chemicals or waste.

Also, plants (biotic factors) see the soil (abiotic factors) because they provide them with nutrients.

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