how does the moon get blocked during a lunar eclipse?

Answer:

it changes from solid water to liquid water.

Explanation:

Answer:

The correct answer is hypotonic, hypertonic, isotonic

Explanation:

You just confused hypertonic and hypotonic. In a hypertonic solution a cell will swell and in a hypotonic solution the cell will shrink. In an Isotonic solution the cell remains the same size, so you were right about that one.

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A cell will shrink if it is submerged in a hypertonic solution because water will escape the cell, swell in hypotonic, and remain the same size in an isotonic solution.

Since there is no net water movement in an isotonic environment, the cell's size remains constant. A cell will absorb water and swell when it is exposed to a hypotonic environment.

A solution with a lower concentration of solute than the cell is said to be hypotonic, a solute and a solvent are combined to form solutions.

The substance that is present at a lower concentration is the solute, while the one that is present at a higher concentration is the solvent.

Therefore, since impermeable solute concentrations in isotonic solutions are similar on both sides of the membrane, the cell does not inflate.

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Based on the materials of the course, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff is the correct statement. OSHA stands for Occupational Safety and Health Administration. Option A is correct

OSHA is the United States federal agency that is in charge of enforcing laws that deal with workplace safety, health, and occupational health. OSHA was established in 1971, and its primary mission is to ensure that employers are providing their employees with a safe and healthy working environment. OSHA has a wide range of regulatory powers that are used to ensure that employers are in compliance with the laws and regulations that deal with workplace safety and health.

Human immunodeficiency virus (HIV) vaccination is significant as HIV is a virus that damages the immune system, which is responsible for defending the body against illness. Without proper treatment, HIV can develop into acquired immunodeficiency syndrome (AIDS).There is currently no cure for HIV, but antiretroviral therapy (ART) is a treatment that can help manage the virus.

Vaccinations for Hepatitis B and HIV are now available to employees who work in settings where they may be exposed to infectious diseases. These vaccines can help reduce the risk of exposure to infectious diseases in the workplace. Therefore, it is more likely to make human immunodeficiency virus (HIV) vaccination mandatory for the housekeeping staff. Option A is correct

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Up until a 1962 demonstration of tuberculosis airborne transmission, airborne transmission of all major respiratory diseases was assumed to be of insignificant or moderate consequence over the following fifty years.

Before COVID-19, only a small number of diseases—those that were blatantly spread to people not in the same room—were generally acknowledged as airborne. This is because the contact/droplet paradigm remained popular.

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Answer:

in case of hibiscus flower ovary is downwards ( female part) and male part produce pollen grains, grains are at upper part of pollinated plant

Answer:

B. Burning fossil fuels puts carbon dioxide in the air, which may cause global warming.

Explanation:

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Answer:

Yes

Explanation:

They are all moving through earth because they are always rotating around the sun, while the moon is rotating around the rotating earth.

The semi-conservative model of replication is more accurate in copying the DNA molecule than other models because in this model, a template strand is being copied to the new strand of DNA.

Semiconservative replication model describes the mechanism of DNA replication in all the known cells. DNA replication has been found to occur on multiple origins of replication along the length of the DNA template strand or antisense strand.

As the DNA double helix is unwound by the help of the helicase enzyme, replication occurs separately on each of the template strand or sense strand in antiparallel direction. This whole process is known as semi-conservative replication because the two copies of original DNA molecule are produced, with each copy conserving the information from one half of the original DNA molecule, this reduces the chances of error in DNA.

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Answer:

Diffusion takes place in this process where iodine and glucose molecule diffuses through the dialysis tubing whereas the starch did not. Diffusion takes place on the basis of the size of the molecules.

Starch molecules are large in size whereas iodine and glucose are much smaller therefore they are able to diffuse. If both iodine and starch would have diffuses through the tubing the color would change into dark purple by mixing thee both molecules.

The pectoral muscles are responsible for performing several important functions during work. The primary functions of the pectoral muscles are extension, flexion, and rotation therefore the correct option is D.

Extension is the action of  uncurling the arms out from the body. This is used in conditioning  similar as pushing up from a lying position. Flexion is the action of bending the arms at the elbow. This is used in conditioning  similar as lifting a weight. Eventually, gyration is the action of rotating the arms around the shoulder joint.

This is used in conditioning  similar as throwing a ball. In addition to these primary functions, the pectoral muscles also help to stabilize the shoulder joint and support the body during conditioning  similar as running and climbing. Together, these functions make the pectoral muscles important for performing  diurnal tasks.

Hence the correct option is D.

Question is incomplete the complete question is

The pectoral complete what muscle function Druing work?

a extension

b flexion

c rotation

d all

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Answer:

a pinge?

Explanation:

Large holes in the ground left over after the mining operations are sometimes known as the pinge. These are made up by the mining activities that are making the depression or the sink holes in it.

It is the human activity in which the extractions are done in order to make the use of the resources . It is the artificial human activity.

This depression or sink-hole is usually caused out  by collapse of  the old underground mine works which are close to Earth's surface.Unlike  any natural landforms , a Pinge is the  direct result of  the human activity. The collapses do  make up big larger holes that almost  makes the pinges in the process of mining.

Pinge is also formed by the surface in which the land is not supported properly and the extraction has made the holes in the lands because of the more pressure and the type of extracting machines that are being used in it.

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Answer:

DNA has a double helix structure. It has two outer strands that wind around each other in opposite directions and are connected by nucleic acid base...

Explanation:

At the end of meiosis I, the number of chromosomes in each cell is half the number of chromosomes present at the beginning of prophase I. This is because the chromosome number is reduced during the first division of meiosis. Meiosis is the type of cell division that leads to the formation of gametes.

It involves two successive rounds of cell division, namely meiosis I and meiosis II. The first round of meiosis is known as reduction division because it reduces the number of chromosomes in each cell by half.The process begins with the replication of the genetic material, resulting in the formation of identical chromosomes. These replicated chromosomes then pair up to form a structure called a bivalent or a tetrad. This pairing up of chromosomes is known as synapsis.During prophase I, the bivalents undergo crossing over, which involves the exchange of genetic material between homologous chromosomes. This process results in the formation of new combinations of genetic traits. In metaphase I, the bivalents line up at the metaphase plate, ready for separation.

The separation of the bivalents during anaphase I results in the formation of two haploid cells, each with half the number of chromosomes as the parent cell.Hence, the number of chromosomes in each cell at the end of meiosis I is half the number of chromosomes present at the beginning of prophase I. This ensures that the gametes formed at the end of meiosis have the correct number of chromosomes.

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In order to protect earth it is required to predict or forecast them in advance and shut down systems before it hits.

In general scenario the scientists believe that the effective way to protect anything against solar storms is to anticipate or forecast any news in advance and shut down the important systems before it hits. Scientists are also working for ways to improve these forecasts to release warnings a few hours in advance.

Hence, for predicting these storms, forecasters use to closely watch the Sun for solar flares and coronal mass ejections. Solar flares are considered as the massive explosions on the Sun's surface. They often occurs near sunspots and release photons such as X-Rays, visible light, and ultra-violet light.

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Answer:

Conclusion. Spirogyra is monophyletic, incorporating the former genus Sirogonium. Genetic diversity and genetic distances within Spirogyra exceed the diversity and distances found in other Zygnematophyceaen genera.

Explanation:

Explanation:

the goal of sexual reproduction is to produce babies for the continuation of the species

Excuse me but where is the picture you want me to answer???

Please indicate a picture of the diagram to answer it.

The genetic material in each daughter cell is identical to that in the parent cell, and the process of mitosis ensures that each daughter cell receives a copy of each chromosome.

a. The process represented here is cell division. b. The reasons why this process is cell division are:
1. The parent cell is dividing into two daughter cells.
2. The daughter cells are genetically identical to each other. c. The parent cell is a somatic cell. It is not a gamete because gametes are produced by meiosis, not mitosis. d. The end result of this process is two genetically identical daughter cells. e. The daughter cells are genetically identical to each other. They are the same because they are produced by mitosis, which involves only one round of cell division and results in two daughter cells that are genetically identical to each other. The genetic material in each daughter cell is identical to that in the parent cell, and the process of mitosis ensures that each daughter cell receives a copy of each chromosome.

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Answer:

Explanation:

Nucles h

Answer:

Your answer is A). Nucleotides make up nucleic acids like DNA and RNA, and a protein is a chain of amino acids.

Nucleotides are to nucleic acids as amino acids are to proteins.

In the given fill-in-the-blanks, we are required to determine and identify which parts correspond with the given words.

With the requirement to join the corresponding 'elements' with each other, we can understand and identify the words and the blanks by determining the constituent of each element. And by doing that, we can safely say that nucleotides make up nucleic acids like amino acids are for proteins. Thus, the correct answer is the first option.

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Neal Devaraj, a chemist at the University of California, San Diego, and his team created a membrane that self-assembles and has cell-like properties. This has implications for the cell theory. The cell theory is a scientific theory that states that all living organisms are made up of cells and that the cell is the basic unit of life.

The theory is supported by numerous pieces of evidence, including the fact that all cells have a plasma membrane that separates the cell's interior from its exterior.The self-assembling membrane engineered by Devaraj is noteworthy because it demonstrates that a simple lipid membrane can form spontaneously, providing evidence that the formation of membranes is a fundamental and necessary aspect of life. Additionally, the self-assembling membrane can perform functions that are similar to those of a cell, such as responding to stimuli.

As a result, this development can aid in our understanding of the origins of life and the processes that allow cells to function, as well as provide valuable insights for the development of new therapeutic drugs.Overall, Devaraj's research provides important support for the cell theory and has broad implications for our understanding of the fundamental characteristics of life.

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Answer:Once you're infected, viruses invade host cells within your body. They then use the components of the host cell to replicate, producing more viruses. After the replication cycle is complete, these new viruses are released from the host cell. This usually damages or destroys the infected cells.

Explanation:

Answer:

Microorganisms capable of causing disease—pathogens—usually enter our bodies through the mouth, eyes, nose, or through wounds or bites that breach the skin barrier. Organisms can spread—or be transmitted—by several routes.

Explanation:

Answer:

A fruit that is formed when the receptacle becomes fleshy and the seeds attach to the surface of the fruit is classified as an accessory or aggregate fruit. Examples of fruits that fall into this category include strawberries, raspberries, and blackberries. In these fruits, the fleshy part that is eaten is derived from the receptacle or the base of the flower, while the seeds are attached to the surface of the fruit.

A fruit formed when the receptacle becomes fleshy and the seeds attach to the surface of the fruit (like a strawberry) is classified as an accessory fruit, which is formed from the enlargement of tissues other than the ovary.

In the case of the strawberry, the receptacle becomes fleshy, forming the edible part of the fruit, while the seeds remain attached to the surface. Other examples of accessory fruits include apples, pears, and pineapples, which are formed from the receptacle, calyx, and multiple flowers, respectively.

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The mucous was drained from the sinuses before it was expelled by the sneeze. The sinuses are cavities of the head.

The sinuses can be defined as four (4) cavities located in the head, which are interconnected by channels.

The sinuses act to produce mucus, which is capable of draining the channels found in the nose.

This mucous can protect from pathogenic microorganisms during early infection (e.g. bacteria).

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The protective features of the skin include high pH, high salt content, the presence of lysozyme, resident biota, and a keratinized surface. Therefore, the correct option would be option A, high ph.

The skin is the body's outermost covering, and it serves as a barrier between the body and the outside world. The skin's primary function is to protect the body from external influences, such as microorganisms, mechanical damage, and chemical exposure. Protective features of the skin are: High pH: The skin's pH is typically between 4.5 and 5.5, making it slightly acidic. This acidic environment is hostile to many microorganisms, making it difficult for them to survive and reproduce. High salt content: The skin's surface is saltier than the surrounding environment, making it an inhospitable environment for microorganisms to grow. Lysozyme content: Lysozyme, an enzyme that destroys bacterial cell walls, is found in tears, saliva, and sweat. The presence of lysozyme on the skin's surface helps to prevent the growth of microorganisms. Resident biota: The skin is home to a diverse population of microorganisms that help to prevent the growth of pathogenic bacteria. Keratinized surface: The skin's outermost layer is composed of keratin, a tough protein that helps to protect the underlying tissue from mechanical damage and water loss. The skin serves as a barrier between the body and the outside world. The protective features of the skin include high pH, high salt content, the presence of lysozyme, resident biota, and a keratinized surface.

The skin has many protective features that help protect the body from external influences. High pH is not one of the protective features of the skin.

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Answer:

It will result in a growth overshoot of bears and the population will exceed the habitat's carrying capacity.

Explanation:

Competition, predation, disease outbreak, and others, would set in, resulting in the loss of species and habitat in the long run.

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In metaphase the nucleus micrographs illustrating the progressive stages of mitosis in a plant cell.

During the process of prophase, the chromosomes has condense, the nucleolus will disappears, and the nuclear envelope just breaks down. At the period of metaphase, the condensed chromosomes get a long structure.

After DNA replicates and the cell is just about to divide, the DNA condenses and they coils into the X-shaped form of the chromosome. During this process, sister chromatids has been separate from each other and move to opposite poles of the cell.

Therefore, In metaphase the nucleus micrographs illustrating the progressive stages of mitosis in a plant cell.

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