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Which term refers to the loss of fertile soil from drying out?
erosion
desertification
depletion
overuse

Answer:

A

Explanation:

There are over 200 different types of cells in the human body. These specialized cells work together to carry out their functions. Tissues are just collections of similar types of cells.

Answer:

The correct answer is D.) the curved surface of Earth.

Explanation:

The intensity of sunlight on Earth is affected by the curved surface of Earth, which causes the sunlight to spread out over a larger area. As a result, the intensity of sunlight is less at any given point on Earth's surface than it would be if Earth had a flat surface. This also explains why the poles receive less sunlight than the equator, as sunlight is spread out over a larger area near the poles due to the curvature of the Earth.

Factors such as the mass of Earth, the speed of Earth, and the number of rotations of Earth do not directly affect the intensity of sunlight on Earth.

Answer:

That's right. You have listed important determinants and features of biodiversity.

Explanation:

Pa fallow po pls.

Answer:

polygenic; multifactorial

Explanation:

A polygenic trait can be defined as any phenotypic feature of an organism that is controlled by the action of several polymorphic genes which interact with the environment to produce a given phenotype (i.e., they are multifactorial traits). The polygenic traits are controlled by many genes localized in different regions of the genome (i.e., loci) and exhibit a continuous range of variation, where each genomic region associated with the variation of the trait is called Quantitative Trait Locus (QTL). Some examples of polygenic/quantitative traits include, among others, height, hair color, weight, blood pressure, etc.

Answer:

B. Make ATP

Explanation:

"The ultimate goal of cellular respiration is  take carbohydrates, disassemble them into glucose molecules, and then use this glucose to produce energy-rich ATP molecules."  

To evaluate the hypothesis that mutations in SLC7A9 have a greater effect on cysteine transport across the plasma membrane of kidney cells than mutations in SLC3A1, further analysis and experimentation are required.

By comparing the effects of mutations in these two genes on cysteine transport, researchers can assess the specific impact each gene has on the process. This can be done through techniques such as cell culture experiments, functional assays, or studying patient samples with mutations in these genes. By comparing the severity and consequences of mutations in SLC7A9 and SLC3A1, scientists can determine which gene has a greater influence on cysteine transport.

In regards to the claim that cysteine is a large polar molecule, the data would likely involve structural analysis or experimental observations. Structural analysis can provide information about the size, shape, and polarity of cysteine molecules. Experimental data could include studies that measure the solubility or diffusion of cysteine in different solvents or membranes. These data would support the claim that cysteine is a large polar molecule if they demonstrate that cysteine has a significant size and possesses polar functional groups that allow it to interact with water or other polar substances.

In conclusion, to evaluate the hypothesis about mutations in SLC7A9 and SLC3A1, further experimentation and analysis are needed. Similarly, to support the claim that cysteine is a large polar molecule, structural analysis and experimental data would be required to demonstrate the size and polarity of cysteine molecules.

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Answer:

Biogeographic isolation causes changes in gene pools that result from populations being separated.

Explanation:

Biogeographical isolation consists in the separation of a population by a geographical barrier, giving rise to subpopulations.

With isolation, the subpopulations start to suffer different pressures from the environment and consequently the selected genes in one subpopulation will be different from the other subpopulation.

Due to the biogeographic isolation, the two subpopulations will be prevented from crossing and the differences between them will become more and more accentuated, and with that the subspecies appear.

Over time, these subspecies may become so different from each other that reproduction between them becomes impossible.

When this happens, reproductive isolation occurs and, consequently, the emergence of new species. When speciation occurs due to geographic isolation, it is called allopatric speciation.

Answer:

Biographic isolation causes changes in gene pools that result from populations being separated.

Explanation:

I took the test

Answer:

See my explanation please, lmk if it was correct, too be 100% sure !!

Explanation:

Here is a Punnett square for Keva and Kobe's potential offspring:

|   | A   | A   | B   | B   | o   | o   |

|---|---|---|---|---|---|---|

| B | AB  | AB  | BB  | BB  | Bo  | Bo  |

| o | Ao  | Ao  | Bo  | Bo  | oo  | oo  |

As you can see, there is a 50% chance of their offspring having type B blood, a 25% chance of having type AB blood, and a 25% chance of having type O blood.

In genetics, an allele refers to the different forms of a gene that determine traits.

Given that a and b are both dominant and only o is recessive, we can deduce that both Keva and Kobe's genotypes will be heterozygous. The dominant alleles are represented by A and B, while the recessive allele is represented by O.

The following is a Punnett square for the cross between Keva and Kobe.B OB OBOB OOBOB OOAs can be seen from the above Punnett square, all the offspring have heterozygous blood types, and there is a 50% chance that their blood type will be B and a 50% chance that their blood type will be O. Therefore, the possible blood types of their offspring are B and O.

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Increased physical activity can help to prevent weight gain because of the ATP production that occurs during cellular respiration.

Physical activity is necessary to produce ATP from glucose.ATP is used as an energy source for all physiological processes, including muscular contractions, as well as for synthesizing macromolecules such as proteins, nucleic acids, and carbohydrates. Increased physical activity will increase ATP demand, leading to a need for more glucose as fuel.The glucose is broken down in cellular respiration, which produces CO2 and H2O. The increase in physical activity means more cellular respiration, leading to a more significant production of CO2 and H2O. As a result, these byproducts are removed from the body by breathing and sweating.This leads to a decrease in weight gain because cellular respiration in muscle cells results in ATP production, which provides the energy necessary for physical activity to occur.Suppose the food you eat provides fewer molecules than your cells need for cellular respiration. In that case, fat molecules stored in fat cells will be broken down to produce ATP. This is because fat cells store lipids, which can be broken down to produce ATP, which can then be used for physical activity. The breakdown of lipids, particularly triglycerides, into fatty acids and glycerol produces energy that the body can use for physical activity.

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If Spike has 36 chromosomes, we can infer that he inherited half of his chromosomes from his mother and half from his father.

Humans typically have 23 pairs of chromosomes, with one set coming from the mother (maternal chromosomes) and the other set from the father (paternal chromosomes). So, in Spike's case, we would expect him to have received 18 chromosomes from his mother and 18 chromosomes from his father.

The process of inheriting chromosomes from parents is related to heredity. Chromosomes contain DNA, which carries genetic information. When a baby is conceived, they receive half of their chromosomes from their mother's egg and half from their father's sperm. This genetic material contains instructions for various traits, such as eye color, height, and susceptibility to certain diseases. The combination of chromosomes inherited from both parents contributes to the unique genetic makeup of an individual, determining their physical characteristics and predispositions to certain traits or conditions.

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The four varnas of the Hindu classification system are Brahmins, Kshatriyas, Vaishyas, and Shudras. According to traditional beliefs, these groups play various functions and hold different social statuses.

Brahmins (priests), Kshatriyas (warriors), Vaishyas (skilled traders, merchants), and Shudras were the four classes that made up the Vedic society's caste system, or Varna (unskilled workers). past lives; karma.

Differences in income, inherited status or privilege, profession, occupation, or race can cause society to be divided. prestige: of the position granted by caste rank.

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Answer:

Ferns are vascular plants differing from lycophytes by having true leaves (megaphylls), which are often pinnate. They differ from seed plants (gymnosperms and angiosperms) in reproducing by means of spores and they lack flowers and seeds.

Answer:

false

Explanation:

Ferns are vascular plants differing from lycophytes by having true leaves (megaphylls), which are often pinnate. They differ from seed plants (gymnosperms and angiosperms) in reproducing by means of spores and they lack flowers and seeds.

A gamete carries one allele for a gene.

Answer: amino acids and carbon dioxide

Explanation:

Answer:

The Plasma membrane.

sorry, i know this is late.

To solve this we must be knowing each and every concept related to homozygous. Therefore, 0% is the probability that they will have a redheaded child. The correct option is option A.

Having identical genes for only one attribute is what is meant by being homozygous. Additionally, an allele denotes a single distinct variant of a gene.

Since it is unknown which characteristic is recessive. If we think of brown hair as the dominant characteristic, denoted by R, and red hair as the recessive trait, signified by R. Dad is RR, while mom is RR. All offspring will be heterozygous since they will all be Rr. The likelihood of producing a kid having red hair from either the original parents is thus 0%.

Therefore, 0% is the probability that they will have a redheaded child. The correct option is option A.

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The surface area with villi is roughly 439 times larger than it is without villi.

Villi are little finger-like protrusions that emerge from the small intestine's lining. They expand the small intestine's surface area, allowing for more effective nutrition absorption.

The surface area without villi (assume smooth walls) is 0.57 m2, but the surface area with villi is roughly 250 m2. We may divide the surface area with villi by the surface area without villi to see how much larger the surface area with villi is:

250/0.57= 438.5

Because of this, the surface area with villi is roughly 439 times larger than it is without villi. The response is 439, rounded to the nearest whole number.

The microvilli, which are even smaller finger-like projections on the villi that form a brush border on the surface of the intestinal lining, are coated in the villi. Enzymes in this brush boundary reduce big compounds into more easily absorbed smaller molecules.

The small intestine's walls are also quite permeable, which means that nutrients can easily travel through them. The villi and microvilli significantly enhance the surface area of the small intestine, increasing the quantity of enterocytes—nutrient-absorbing cells. These enterocytes include specific components called transporters that aid in the bloodstream absorption of nutrients like glucose, amino acids, and fatty acids.

Overall, the villi improve the small intestine's capacity for absorption, enabling effective nutrient absorption from the food we ingest.

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Answer:

Lack of funds

Entrance examination complications

Lack of ability to adjust

Explanation:

Three difficulties school-leavers may face when trying to apply for higher education​ are 1) unknown about streams 2) unknown about their ability 3) pressure under family and society.

Students, as they get pass out from the school, they face many problems to apply for higher education. The first problem come to our door which stream should we choose cause it decides our entire currier. What should we peruse, science, commerce or arts ?. Students don't know about what we will have to study in which streams. They just know profession and their corresponding stream, like if u want to become a doctor or engineer just take science, if u want CA, take commerce and take arts if u want to become a politician or economist. But they really don't know what we have to study in these streams. If they get to know what we have to study in which streams, they can take decision about choosing streams according to their area of interest.

Second thing student face problems while applying is they don't know about their ability and interest, Students take science or arts in spite of being excellent in arithmetic calculation. why because they want to become a doctor and they leave the course telling the reason of scissoring the body. It is like fish is trying to fly. Everyone has different ability and interest which we take from nature. We everyone have different gifts given by the God. If we know what we are excellent in, that will be helpful to choose our currier.

The third which is very very important problem facing by the students is they get under pressure of parents, they have to take engineering in spite of being excellent at another thing. After taking engineering they get more pressurized with the load of study. Non-interested engineering students don't enjoy their study. Many students get into depression and all. Students get pressurized by their parents to take admission in a particular stream because neighbor's son has taken admission for. Parents compare with salary associated with a profession, newborns. They don't get know about child's ability.

Hence these are important aspects which face students while applying for higher education.

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A possible result would be the actual number of new leaves on a plant.

What are results?

Results are the outcome of investigations.

Results are unique from observation. Observations are the information we sense from a phenomenon. Results, on the other hand, are the information that we observed and recorded.

Going by these definitions:

Seeing the flowers on a plant will be an observation.

How much sunlight you put the plant in is a variable.

How often you water the plant is also a variable.

Seeing the pretty leaves on a plant is an observation.

The only option that is a result is the actual number of new leaves on a plant.

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The given statement about frais is false. The correct gene name is "Transformer" (tra), and its mutation in Drosophila does not lead to the development of only males.

In Drosophila, the gene tra is responsible for the regulation of sexual development. In nonmutated fertilized eggs with two X chromosomes (XX), the presence of the tra gene and the protein it produces, called Tra, leads to the alternative splicing of the dsx (doublesex) gene. This splicing event induces female development.

However, if tra is not expressed or mutated, males will form due to the alternative splicing of dsx, which leads to male development. This is because another protein called SXL (Sex-lethal) targets tra and regulates its expression. Without functional Tra, SXL promotes the splicing pattern that leads to male development.

A heterozygous null tra mutation, meaning one copy of the tra gene is mutated or missing, would not produce XX males. It would lead to the normal development of females because the remaining functional tra gene can still induce the alternative splicing of dsx and promote female development. A constitutive tra mutation would not produce XY females either since XY individuals typically develop as males in Drosophila.

To summarize, the given statement about frais is incorrect, as it contains incorrect gene names (frais instead of tra) and incorrect information regarding the development of males and females in Drosophila.

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Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.

Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.

In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:

Light energy + water + carbon dioxide →  sugars + oxygen.

Light energy → chemical energy can be used to describe the energy transformation equation.

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Temperature, wind, and rain are all elements of weather. They are all important factors in determining the overall conditions of the atmosphere and can have a significant impact on our daily lives. Temperature measures the degree of warmth or coldness of the air, wind refers to the movement of air from one place to another, and rain is precipitation that falls from the clouds. All three of these factors are interconnected and can influence each other, such as how wind can affect the feeling of temperature and how rain can be driven by strong winds. Together, they contribute to the complex system of weather patterns that shape our world.

What is Climate system ?

Climate is determined by a region’s climate system. A climate system has five major components: the atmosphere, the hydrosphere, the cryosphere, the land surface, and the biosphere.

The atmosphere is the most variable part of the climate system. The composition and movement of gases surrounding the Earth can change radically, influenced by natural and human-made factors.

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Answer:

\(\Huge \boxed{\textbf{B. True}}}\)

Explanation:

Hydrogen bonding plays an important role inside many molecules. It occurs due to an electrostatic attraction between a hydrogen atom bonded to an electronegative element like oxygen or nitrogen, and another nearby electronegative atom that possesses a lone pair of electrons. This second atom acts as an acceptor for the hydrogen.

The hydrogen is pulled slightly toward the acceptor due to their opposing charges. These hydrogen bonds can form both between different molecules as well as within different parts of the same molecule.

They are stronger than the normal attractions between permanently polarised molecules or non-polar atoms. However, hydrogen bonds are not as intensely strong as true covalent bonds, which involve sharing electrons, or ionic bonds that transfer electrons.

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Because there is more underbrush and fuel available, natural wildfires will burn longer and hotter when they occur. Without wildfires, forest ecosystems would be more susceptible to plant disease outbreaks.

How does the fire benefit the soil and the ecosystem?

Most plant nutrients become more available after being burned. Although some nutrients are managed to lose during combustion, available NH4-N and P increase significantly.

Fire clears out low-growing underbrush, cleans up the forest floor, exposes it to sunlight, and nourishes the soil. The low nutrient competition allows established trees to grow stronger and healthier. Hundreds of years ago, forests had fewer, larger, as well as healthier trees, according to history.

Therefore, natural wildfires will burn longer and hotter when they occur because there is more underbrush and fuel available.

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Answer:A

Explanation:

Answer:

The UN projects that the global population increases from a population of 7.7 billion in 2019 to 10.9 billion by the end of the century. By that time, the UN projects, fast global population growth will come to an end.

Beneath the global level, there are of course, big differences between different world regions and countries. While in some regions the world population will likely grow rapidly for the coming decades other regions will continue to see declining population numbers.

Global population growth is determined by the number of births and deaths. Improving health is increasing the size of the population as it is decreasing mortality. The countervailing trend are falling fertility rates – the trend of couples having fewer children is what brought rapid population growth to an end in many countries already, and what will bring an end to rapid population growth globally.

The global population growth rate has already slowed down considerably: It reached its peak at over 2% in the late 1960s and has been falling since.

The UN projections for the global population growth rates, which have been produced since the 1950s, have a good track record in projecting the size of the global population.

While the UN projections are most widely know there are other very carefully produced projections. The demographers of WC-IIASA model what will happen according to different scenarios and make clear that the population growth rate tomorrow depends on what we do today. Rapid progress in getting children and especially girls into schools will result in a much smaller global population.

The biggest disagreement between different projections is concerning the future of Africa. While the UN projects a 3.5-fold increase of the population of Africa, other researchers find a much smaller increase more likely.

Explanation:

here try this

Answer:

There wouldn't be enough space for everyone.

Explanation:

Answer: a

Explanation: The field of linguistics that studies the articulation and physical properties of speech sounds is called phonetics.

The dealer's cost is $12,635.06.

To calculate the dealer's cost, we need to subtract the additional charges (such as options and destination charge) from the base price.

First, let's calculate the cost of the options. Lisa Kovach paid 83% of the options, which totaled $3,098. So, we can find the cost of the options by dividing $3,098 by 0.83:

Cost of options = $3,098 / 0.83 = $3,734.94

Next, let's calculate the base price plus the destination charge:

Base price = $15,480

Destination charge = $890

Total cost (base price + destination charge) = $15,480 + $890 = $16,370

Finally, we can find the dealer's cost by subtracting the cost of options from the total cost:

Dealer's cost = Total cost - Cost of options = $16,370 - $3,734.94 = $12,635.06

Therefore, the dealer's cost is $12,635.06.

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Answer:

“Mitochondria are membrane-bound organelles present in the cytoplasm of all eukaryotic cells.

Answer:

The Science of Taxonomy. Figure 1. Swedish botanist, zoologist, and physician Carolus Linnaeus developed a new system for categorizing plants and animals

Explanation:

hoped it helped its all i can find

Answer:

yes

Explanation: The atoms and molecules that make up a gas are constantly moving. Temperature is a measure of the speed with which they move (more accurately it is a measure of their kinetic energy). The higher the temperature, the faster they move.  It is thus produced a greater intensity in the collisions against the walls: the pressure of the container containing the gas increases.In this way, if the graph shows the increase in temperature as well as the increase in speed, yes, it is correct.

Answer:

Yes, his graph is correct because it shows that as the average kinetic energy increases, so does the temperature. This is called a direct relationship.

Explanation:

This is the sample response, lol.

I would change it up a little in your own words, but it's your choice.

Hope this helped!! :)

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