a 5% urea solution is hypotonic to a 10% urea solution. true or fasle

Answer:

B. Ground - The sensor in the ground will detect the sound first because the sound is traveling through the dirt and sound will travel fastest through a solid.

Explanation:

Sound wave is an example of mechanical wave, which means sound waves require a medium to travel through. However, how fast a sound travels is dependent on the kind of medium it travels through. Sound travels fastest via a SOLID medium, then liquid and slowest through gases.

According to this question, sensor in the ground and side of the security guard’s shed were placed in an estate owned by a famous celebrity. A loud truck, then, drives down the road entering the estate.

Based on the principles of sound eaves movement, the sound from the truck will be picked by the sensors in the GROUND first because the sound is traveling through the dirt and sound will travel fastest through a solid.

The Ustilago maydis is a fungi that causes a plant disease named corn smut, that attacks corn and teosinte plants. The corn smut reduces corn yields causing economic impact for the producers and farms, the symptoms of the disease are:

- Seeding infection causes the twisting and dropping of the leaves;

- Can effect the stem, leaves, clum, and stages of seed maturity;

- The apparence of gray to grayish black sori on the leaf and sheath, the sorus will contain black powder mas of spores of the fungi. Therefore, the disease will cause a huge crop loss (C), since the corn with the corn smut will not be sell to the consumers.

The Circulatory System is about the Blood and the heart: they deliver oxygen to the rest of the body (except lungs). AFTER they deliver the oxygen they get the waste (Carbon Dioxide) and deliver it to the LUNGs (Respiratory System)

The Respiratory system is about the Lungs, Bronchi, Alveoli, Trachea, etc. They EXCHANGE the carbon dioxide from the blood with oxygen, they do this in the ALVEOLI (a small, grape-like sockets in the lungs).

The Digestive System consist the Esophagus, Stomach, Intestines, Gallbladder, and Anus. They Digest the food, they ABSORB the nutrients from the food we eat and we poop out the UNNECESSARY wastes.

Answer:

The Human Genome Project was an international scientific research project with the goal of determining the base pairs that make up human DNA, and of identifying and mapping all of the genes of the human genome from both a physical and a functional standpoint

Answer:

The HGP was an international research program responsible for mapping all understandings of human DNA

Explanation:

This project was started 1990 and completed in April of 2003. Hope this helped :)

Taking into account the definition of a system of linear equations, the system of equations that can be used to determine the price of one order of tacos and the price of a hotdog is

2t + 3h= 10.95

3t + 4h= 15.23

Systems of linear equations are groupings of first degree equations with the same unknowns, of which a common solution must be found.

Solving a system of equations consists of finding the value of each unknown so that all the equations of the system are satisfied. That is to say, the values ​​of the unknowns must be sought, with which when replacing, they must give the solution proposed in both equations.

In this case, a system of linear equations must be proposed taking into account that:

You know:

The system of equations to be solved is

2t + 3h= 10.95

3t + 4h= 15.23

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Isotonic saline (NSS) is a commonly used medium for washing and suspending red blood cells (RBCs) in medical and laboratory settings. The reason for this is due to the unique properties of isotonic saline and its ability to maintain the stability and integrity of RBCs.

An isotonic solution is one that has the same concentration of solutes as the fluid inside of the red blood cells, specifically, a salt concentration of around 0.9%. This means that isotonic saline does not cause the RBCs to shrink or swell, which can cause damage or hemolysis of the cells.

In addition to its tonicity, isotonic saline also has a neutral pH, which helps to maintain the normal function of the RBCs. It is also sterile and free of any potentially harmful contaminants that could damage the cells.

When RBCs are washed with isotonic saline, it helps to remove any impurities or debris that may be present on the surface of the cells. This can include things like clumps of platelets, white blood cells, or bacteria. By washing the RBCs with isotonic saline, the cells are prepared for further testing or transfusion, ensuring that the cells are in optimal condition for these procedures.

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Answer:

Has a faster response, but the signal does not last as long.

Explanation:

The nervous system uses action potentials to transmit signals. Action potentials have a short duration and travel fast through neurons to inform in a fast way about different stimuli and allow rapid answers. On the other hand, the endocrine system uses chemical molecules to transmit their signals. As they travel through blood or together with other molecules, their signal is not transmitted as fast as in the nervous system. However, when they reach their destination and interact with the proper molecules, they start a series of changes that have a lasting effect in contrast with the nervous system.

Answer:

3)plants,such as trees and flowers

Explanation:

Biotic resources are those which are obtained from nature and have life while abiotic resources are those which is made of non-living components. Here, rocks, fires are non-living so they come under abiotic. Plants respire so they are biotic elements.

Hope it helps.

If you have any query, feel free to ask.

The relative humidity is approximately 22.9% based on the given wet bulb temperature of 10°C and dry bulb temperature of 14°C.

Wet bulb temperature: 10°C = 50°F

Dry bulb temperature: 14°C = 57.2°F

SVP at wet bulb temperature: 0.284 * \(e^(17.27 * 10 / (10 + 237.3))\)= 0.284 * \(e^(-7.09)\) = 0.284 * 0.000828 = 0.0002356 psi

SVP at dry bulb temperature: 0.284 *\(e^(17.27 * 14 / (14 + 237.3))\) = 0.284 * e^(-5.97) = 0.284 * 0.002562 = 0.0007296 psi

AVP = 0.0002356 - (0.00066 * (57.2 - 50) * 14.7) = 0.0002356 - (0.00066 * 7.2 * 14.7) = 0.0002356 - 0.0686 = 0.000167 psi

RH = (AVP / SVP at dry bulb temperature) * 100

RH = (0.000167 / 0.0007296) * 100 = 0.229 * 100 = 22.9%

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Answer:

C.

Explanation:

This is because primary succession is newly formed logs that are colonized by living things. Seconday succession is there were living things there once but due to disturbance life is lost and started over which could take decades.

Answer:

C. Secondary begins with soil, but no biotic (living) things.

Explanation:

The difference between Secondary and Primary Succession is Secondary begins with soil, but no biotic (living) things.

Answer:

A. mutualism

Explanation:

because what is secreted by the termite is beneficial for both

The use of hydroponics can increase the amount of food grown on Earth by providing a controlled environment for plant growth, optimizing resource utilization, and allowing for year-round production. This method eliminates the need for traditional soil-based farming and enables efficient and sustainable cultivation of crops.

Hydroponics is a soilless cultivation technique that involves growing plants in nutrient-rich water solutions. It offers several advantages that can help increase food production on Earth. Firstly, hydroponics allows for precise control over the growing conditions, including nutrient levels, pH, and water availability. This ensures that plants receive optimal nutrition and can grow more efficiently, leading to higher yields.

Secondly, hydroponic systems can be set up in vertical structures or compact spaces, maximizing land utilization. This is especially valuable in urban areas or regions with limited arable land, where traditional agriculture may be challenging. Furthermore, hydroponics enables year-round production since it is not reliant on seasonal changes or weather conditions. With artificial lighting and climate control, plants can be grown continuously, increasing the overall food supply and reducing dependence on specific growing seasons.

Additionally, hydroponics uses water more efficiently compared to traditional farming methods. The closed-loop systems recirculate water, minimizing water loss through evaporation or runoff. This is particularly beneficial in water-scarce regions, where conservation is crucial for sustainable agriculture. Overall, the use of hydroponics presents a promising solution to increase food production on Earth by optimizing resource utilization, enabling year-round cultivation, and minimizing environmental impact.

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The most logical hypothesis to explain the phenomenon where the fungus and algae of a lichen cannot survive when separated and grown alone is the mutualistic symbiotic relationship hypothesis.

Lichens are formed through a mutualistic symbiotic relationship between a fungus and an alga or a cyanobacterium. In this relationship, both organisms benefit each other. The fungus provides a protected environment and absorbs water and nutrients for the alga, while the alga or cyanobacterium provides photosynthetic products (such as carbohydrates) for the fungus.

When the fungus and alga are separated and grown alone, they are no longer able to benefit from each other. The fungus may lack a reliable source of nutrients and protection, while the alga may struggle to obtain necessary resources for photosynthesis or may be vulnerable to environmental stresses. As a result, both organisms may fail to survive when grown individually.

This supports the idea that the mutualistic symbiotic relationship between the fungus and alga is necessary for their survival and successful functioning as a lichen.

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Genetic recombination involving insertion sequences typically results in frameshift mutations.

Insertion sequences (IS) are segments of DNA that have the ability to move within the genome. They contain specific recognition sequences at their ends, allowing them to integrate into different locations within the DNA. When genetic recombination occurs involving insertion sequences, it can lead to a specific type of mutation known as a frameshift mutation.

A frameshift mutation occurs when the insertion sequence disrupts the reading frame of the DNA sequence during replication or transcription. This disruption shifts the entire sequence downstream of the insertion, resulting in a different sequence of codons being read. As a result, the resulting protein product can be altered or completely non-functional.

Frameshift mutations can have significant consequences because they often introduce a premature stop codon or change the reading frame, leading to the synthesis of a truncated and non-functional protein. These mutations can disrupt normal cellular processes and contribute to the development of genetic disorders or diseases.

In summary, when insertion sequences are involved in genetic recombination, they can cause frameshift mutations by disrupting the reading frame of the DNA sequence, leading to significant changes in the resulting protein product.

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Explanation:

D.Ecosystem is the correct answer

We know that the picture would look like you due to the transference of genes.

In the practice that have been given here you have been asked to design what your imaginary offspring would look like. Let us note that the way that your offspring would like would depend on how you look in the first place.

We have to note that there genes that you pass on to the offspring is what is going to tell us what the offspring is going to look like. This is why the picture that you would draw would look so much like yourself.

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Abert's squirrels are light gray with a black or dark gray stripe down their backs and white underparts.

Kaibab squirrels have distinct color variations, with dark gray or black sides and underparts, white tails, and russet or chestnut brown backs and heads.

The canyon served as a physical barrier between the woods and squirrels on each rim. One squirrel population has split into two different groups that could no longer procreate. This is known as allopatric speciation, according to National Geographic.

Kaibab squirrels became geographically separated from Abert's squirrels, which live on the canyon's south rim. Kaibab squirrel« acquired special traits in isolation, such as a full whitetail.

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The somatic division of the ANS is Focusing the eye on a nearby object in the field of vision function.

The somatic division of the autonomic nervous system (ANS) is responsible for voluntary motor functions and sensory perception. It controls the conscious movements of skeletal muscles, including the ability to focus the eyes on nearby objects in the field of vision.

This is known as accommodation, and it involves the contraction and relaxation of specific muscles within the eye to adjust the shape of the lens and bring nearby objects into clear focus.

The sympathetic division (A) of the ANS is responsible for the "fight or flight" response, preparing the body for action in response to stress or danger. The parasympathetic division (D) of the ANS is responsible for the "rest and digest" response, promoting relaxation and conservation of energy.

The cranial nerves (C) are a part of the peripheral nervous system and are responsible for transmitting sensory and motor information to and from the head and neck region, but they do not directly control the focusing of the eyes.

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The type of chromosomal change which is represented in the diagram given is deletion. The correct option is A.

In genomics, a deletion is a type of mutation that involves the removal of one or more nucleotides from a segment of DNA.

A deletion can result in the loss of any number of nucleotides, ranging from a single nucleotide to an entire chromosome.

Because an insertion or deletion causes a frame-shift that alters the reading of subsequent codons.

This alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually more harmful than a substitution that only changes one amino acid.

Thus, the correct option is A.

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Your question seems incomplete, the missing image is attached below:

Answer: Incomplete Dominance.

Explanation: When snapdragons with red petals (RR) are crossed with snapdragons having white (WW) petals, the offspring will have pink petals. This will make the pink coloration (RW). Since both of these genotypes are dominant it is Incomplete Dominance because the R does not completely mask the effects of a recessive allele, which in this case theres none.

It is true that denaturing an apoenzyme will destroy the three-dimensional shape of the protein, making it non-functional. Apoenzymes, also known as inactive enzymes, are enzymes that are not completely folded and require additional components to become catalytically active.

The apoenzyme part of an enzyme is the protein part of the enzyme, whereas the cofactor is a non-protein component. It is necessary to maintain the three-dimensional structure of the protein to make the enzyme functional. If this three-dimensional structure of the protein is destroyed, the enzyme loses its function.

The denaturation of apoenzymes can be caused by a variety of factors, including temperature changes, pH variations, chemical reactions, etc. It's crucial to keep the protein in its correct shape to ensure proper function.

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Answer:

Effect on climate change.

Resource deplition.

Global warming.

Air polution.

Water contamination.

Explanation:

Humans are known for being too lazy to throw their trash in an actual trash can, thus leading to water contamination from people throwing trash in the water.  Air polution tends to come from nuclear factories and gas powered cars. Resource deplition, like mass tree cutting for building buildings.

Answer: because it is

Explanation:

right?

The greatest sources of greenhouse gas emissions in the US include energy production from fossil fuels, transportation, and industrial activities.

To reduce these emissions, strategies such as transitioning to renewable energy sources, improving energy efficiency, promoting low-carbon transportation, and implementing carbon pricing mechanisms can be effective.

Market-based approaches like cap and trade and carbon fee and dividend provide economic incentives for emission reductions. However, these strategies should also prioritize climate justice and equity by considering the impacts on marginalized communities. International cooperation is vital for addressing global climate change and ensuring effective and equitable solutions. By combining these strategies, we can work towards a sustainable and equitable future while mitigating the impacts of climate change.

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Genetic engineering is the process of cutting dna into fragments and inserting the fragments with a desired gene into another organism of the same or different species.

Using recombinant DNA generation to adjust an organism's DNA to reap perfect developments is known as genetic engineering.Genetic Engineering is the method of slicing DNA into fragments and putting the fragments with the preferred gene into any other organism of the identical or specific species. Genetic engineering is the method of the use of changing the genetic make-up of the DNA the use of recombinant DNA generation.

The discovery of enzymes that might reduce and paste DNA made genetic engineering possible. Restriction enzymes, observed certainly in bacteria, may be used to reduce DNA fragments at particular sequences, even as every other enzyme, DNA ligase, can connect or rejoin DNA fragments with complementary ends.

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Answer:

Ethylene gas or pill bugs

Explanation:

The ethylene gas experiment is basically finding out if the plant hormone, ethylene, keeps leaves on the stem healthier. have a bag with a apple and a tree steam with any number of leaves on it then have the control with a tree stem that has the same number of leaves but no apple.

The Pill bug (rollie-pollies) experiment is try to determine whether or not pill bugs prefer a dry or damp environments.  

Answer:

a primary consumer?

Explanation: