where in a stem cell of an embryo is the instructions for how to build organs?  a. ribosomes  b. endoplasmic reticulum  c. Golgi apparatus  d. nucleus

Answer:

Sea floor

Explanation:

Cause I got it right on edge

According to the theory of plate tectonics, one feature that plates carry is the seafloor.

The theory of plate tectonics is a model widely extended in geology indicating that Earth's ground forms different types of plates.

In conclusion, according to the theory of plate tectonics, one feature that plates carry is the seafloor.

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Answer:

“Combustion always produces carbon dioxide and water”

Explanation:

Water and Carbon dioxide are always produced in the combustion of organic material.

Combustion involves the oxidation of the carbon in an organic molecule. The fuels that are burned on a large scale to provide energy for heat or electricity include the fossil fuels.

The combustion of organic fuels is a chemical reaction that results in the generation of products and heat. The nature of the process is controlled by heat and mass transfer and can result in very different forms of combustion.

Complete combustion needs a plentiful supply of air so that the elements in the fuel react fully with oxygen. Fuels such as natural gas and petrol contain hydrocarbons. These are compounds of hydrogen and carbon only.

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Answer:

where is the graph???????

DNA is important in identifying genetic relationships within a group, but it alone is not sufficient to determine complex social constructs like race, whiteness, or property; the inclusion of social, cultural, and historical factors is crucial in understanding these concepts.

Biological anthropologists and genome scientists should consider the relationship between Europeans and Indigenous people in their research to provide a more comprehensive understanding of human genetic diversity and population history.

DNA analysis can provide valuable insights into genetic relationships within a group, such as determining genetic ancestry or identifying related individuals. However, race, whiteness, and property are social constructs that go beyond genetic factors and are shaped by historical, cultural, and socioeconomic factors. These concepts are complex and cannot be solely explained by genetic data. Therefore, it is important for researchers, including biological anthropologists and genome scientists, to recognize the limitations of genetic data and consider the broader social context when studying race, whiteness, and property.

In the context of researching Europeans and Indigenous people, it is crucial for researchers to acknowledge and incorporate the historical and ongoing relationships between these groups. This includes understanding colonization, displacement, and the impact of power dynamics on genetic diversity and health outcomes. By including this relationship in their research, scientists can contribute to a more accurate and nuanced understanding of human genetics and promote social and scientific equity.

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When two magnets with their North poles facing each other are moved closer, the amount of potential energy between them increases. The potential energy in this case is magnetic potential energy, which arises due to the magnetic interaction between the magnets.

As the magnets are brought closer, the magnetic field lines become more concentrated between the magnets, resulting in an increase in the magnetic potential energy. The magnets experience a force of attraction due to their like poles facing each other, and work needs to be done to overcome this force and move them closer. The work done in moving the magnets against this force is stored as potential energy.

To increase the magnetic potential energy of these magnets further, you can either increase the strength of the magnets or decrease the distance between them. Increasing the strength of the magnets involves using magnets with stronger magnetic fields, such as neodymium magnets. Decreasing the distance between the magnets brings them closer together, resulting in a greater concentration of the magnetic field and an increase in potential energy.

It's important to note that the magnetic potential energy can also be influenced by the orientation, shape, and arrangement of the magnets. However, in the case of two magnets with their North poles facing each other, the primary factors affecting the potential energy are the strength of the magnets and the distance between them.

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The number of neutrons in a helium atom is TWO (2).

In conclusion, the number of neutrons in a helium atom is TWO (2).

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Answer:

\(\huge\boxed{\bf\: Number \: of \: neutrons = 2}\)

Explanation:

Here, we need to find the number of neutrons present in a Helium atom.

Helium comes right after Hydrogen as the second element in the Modern Periodic Table. This means that, the atomic number of Helium is 2.

We know that, atomic number = number of protons / number of electrons  . So, the total number of protons in Helium is also 2.

The atomic mass of Helium = 4 u.

According to the formula,

Atomic mass = Sum of the nucleons (neutrons + protons)

4 = neutrons + 2

4 - 2 = neutrons

2 = neutrons present in a Helium atom.

•°• The total number of neutrons present in a Helium atom is 2.

\(\rule{150}{2}\)

The mentioned structures consist of various types of tissues. These include epithelial tissue in the oral cavity, tongue, and glandular tissues; muscle tissue in the tongue, diaphragm, and ascending colon; and connective tissue in the hard palate, soft palate, uvula, liver, and gallbladder.

The tissues mentioned are found in various systems of the body:

1. Oral cavity (mouth): Consists of epithelial tissue, connective tissue, and specialized tissues such as taste buds.

2. Tongue: Comprised of skeletal muscle tissue covered by epithelial tissue.

3. Teeth: Consist of specialized tissues, including dentin, enamel, and cementum.

4. Sublingual gland and submandibular gland: Exocrine glands that contain glandular epithelial tissue.

5. Hard palate and soft palate: Composed of a combination of epithelial tissue and connective tissue.

6. Uvula: Consists of connective tissue and muscle fibers.

7. Diaphragm: A muscle made up of smooth and skeletal muscle tissue.

8. Liver: Composed of hepatocytes, which are specialized epithelial cells.

9. Gallbladder: Contains epithelial tissue for absorbing and concentrating bile.

10. Ascending colon: Part of the large intestine, consisting of smooth muscle tissue.

It is important to note that these tissues collectively make up the structures mentioned, each with their specific composition of cells and extracellular matrix.

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End-diastolic volume (EDV) is the volume of blood present in the ventricles at the end of diastole, which is the relaxation phase of the cardiac cycle when the ventricles are filling with blood. It represents the maximum amount of blood that the ventricles can hold before contracting.

End-diastolic volume (EDV) refers to the amount of blood present in the ventricles of the heart at the end of the relaxation phase, also known as diastole. It represents the maximum capacity of the ventricles to hold blood before contraction.

EDV is an important parameter in assessing cardiac function and is typically measured using imaging techniques such as echocardiography or cardiac catheterization.

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The statement "Yoar until full yesting is reached at the end of the 7th yoar" is false because it contains multiple errors.

Firstly, the word "yoar" is likely a misspelling of the word "year." Secondly, the phrase "until full yesting is reached" is unclear and doesn't convey a meaningful idea. Additionally, the repetition of the word "yoar" at the end of the statement appears to be another typographical error.

Overall, the statement lacks coherence and logical consistency, making it impossible to identify a specific reason for its falsehood. It is important to ensure clear and accurate communication to convey accurate information and avoid confusion or misunderstanding or multiple errors.

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Answer:

Answer:

Explanation:

Temperature and surface area and time of reaction

Answer:

Mass and type of material

type of material

temperature

Explanation:

This is for: Lab: Thermal Energy Transfer

Assignment: Reflect on the Lab

Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.

The independent variables in Part I, the ones intentionally manipulated, are the  

✔ mass and type of material

.

The independent variable in Part II, the one that is intentionally manipulated, is the  

✔ type of material

.

The dependent variable for both Parts I and II, the one that you measure the response in, is the  

✔ temperature

Answer:

The most common way that humans damage ecosystems is by destroying habitat. For example, we remove trees, change the flow of water, and change grasslands into farms. These practices can lead to local extinctions of species and cause other species to migrate to new areas.

Explanation:

Brainliest?

Human activities causes disturbance in the balance of the park ecosystem.

Humans changed the balance of the park ecosystem by introducing an invasive species or by removing an organism which controls the equilibrium of the ecosystem.

Destruction of habitat is also done by human activities which change the balance of the park ecosystem so we can conclude that human activities and intervention leads to disturbance and change in the balance of the park ecosystem.

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Answer:

both are in my answer..

Explanation:

mark me as a brainlist

The shape of the ligand and the shape of the receptor are related because eаch ligаnd binds to а specific receptor, аnd the logаn fits exаctly into the receptor, like а lock аnd key.

When а hormone enters а cell аnd binds to its receptor, it cаuses the receptor to chаnge shаpe, аllowing the receptor-hormone complex to enter the nucleus (if it wаsn’t there аlreаdy) аnd regulаte gene аctivity. Hormone binding exposes regions of the receptor thаt hаve DNА-binding аctivity, meаning they cаn аttаch to specific sequences of DNА. These sequences аre found next to certаin genes in the DNА of the cell, аnd when the receptor binds next to these genes, it аlters their level of trаnscription.

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Without light, ATP production will be possible. When sunlight splits an electron from a water molecule, the electron travels through a number of protein complexes that use the energy of the electron to pump protons.

An electron is a negatively charged subatomic particle, whether it is linked to an atom or not (not bound). Protons, neutrons, and the electron, which is bonded to the atom, are the three primary types of particles that make up an atom..

In contrast to nucleons, which are found inside the atom's nucleus, electrons are found from outside nucleus. Negative electrons are drawn to the positive nucleus because its opposing electric charges attract one another.

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Chromosome crossover increases genetic variability by giving offspring chromosomes that differ from those of their parents.

The degree of genetic variation in a population is significant because natural selection depends on different alleles to change their frequencies for the better or worse.

Crossover is a process that results in fresh allele combinations in the gametes (egg or sperm) produced, assuring genetic diversity in any offspring produced.

Meiosis, also known as crossing over or recombination, is a process in which nonsister chromatids swap chromosomal regions. Cross-pollination creates new gene combinations in the gametes that are not present in either parent, increasing genetic diversity.

A species' genetic diversity is largely a result of meiosis. Two processes—independent assortment and crossing over—are the main means by which it achieves this (recombination).

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Supernovas are tremendously luminous explosions that occur in a star when it is about to die releasing huge amount of energy, particles and radiation.

A supernova is an extremely bright explosion of a star which occurs when a star has reached the end of its life and after the intensity gradually dims and the star dies.

Explosions that occur in supernovas release very huge amounts of radio waves, X-rays, gamma rays and also cosmic rays.

There are two main types of supernovae; the type I and the type II supernovas.

Therefore, supernovas are tremendously luminous explosions that occur in a star when it is about to die.

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Restriction enzymes are enzymes that cleave DNA at precise sites, recognize specific nucleotide sequences in DNA, and are a crucial tool in molecular biology and genetic engineering.

Restriction enzymes, also known as restriction endonucleases, are enzymes that cleave DNA at precise sites. The recognition sequence of restriction enzymes, usually about four to six nucleotides in length, is recognized by the enzyme and cleaves the DNA at that particular site. Restriction enzymes are proteins that recognize specific nucleotide sequences in DNA, which are usually palindromic, meaning they read the same backwards and forwards. They then cut the DNA at these sequences to create specific fragments.

These enzymes are a crucial tool in molecular biology, as they are used for DNA manipulation techniques such as restriction fragment length polymorphism (RFLP), polymerase chain reaction (PCR), and DNA sequencing. Restriction enzymes are used in genetic engineering, cloning, and recombinant DNA technologies. These enzymes have allowed scientists to manipulate DNA to produce genetically modified organisms (GMOs) and to investigate genetic diseases.

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Restriction enzymes are proteins that cut DNA at specific sites, creating 'sticky ends' that can bind to other DNA fragments. They have a protective role in bacteria against foreign DNA and are now used extensively in recombinant DNA technology to cut and insert genes into other DNA molecules.

The restriction enzymes best described as specialized proteins that play a crucial role in recombinant DNA technology by cutting DNA at specific recognition sites. These sites are typically characteristic to each enzyme and are palindromic sequences, meaning they read the same forward and backward like the word 'level'. By cutting the DNA in this specific manner, they create what are known as 'sticky ends', which are overhangs of the cut DNA that can bind to complementary 'sticky ends' of other DNA fragments.

These enzymes originate from bacteria and serve as a protection mechanism against foreign DNA, especially during bacteriophage infection. Today, they play an integral role in creating recombinant DNA molecules. For instance, a restriction enzyme can cut a specific gene from a DNA strand which can then be inserted into another DNA molecule, creating a new genetic combination. This can be followed by the action of DNA ligase, another enzyme, which can reconnect (or ligate) the cut DNA strands, thereby finalizing the insertion process.

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To find the area of a triangle, you can use the formula:

Area = (1/2) * base * height

The distance between W and X in this instance serves as the triangle's base. You can determine this using the distance formula:Distance is equal to sqrt((x2 - x1) + (y2 - y1))Inputting the coordinates yields the following formula: distance = sqrt((6 - 2)2 + (3 - (-1))2).If we simplify, we get:distance equals sqrt(16 + 4).This reduces to: distance = square root (20)The triangle's base is therefore sqrt(20) units.The separation between the points Y and Z is the triangle's height. We may simplify the distance formula to distance = sqrt(4 + 4) by multiplying it by ((5 - 7)2 + (2 - 0)2).This reduces to: distance = square root (8)The triangle's height is therefore sqrt(8) units.Using the area formula with these values as inputs, we obtain:Area equals (1/2)*(20*)*(sqrt) (8) When we simplify, we get: Area.

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Answer:

3

Explanation:

Answer:

A. Because it is antibiotic-resistant

Explanation:

I would say that because the coronavirus does not respond to antibiotics nor any other viruses. They do treat bacterial infections but not viruses. As a result, the amount of cases grew without treatment and that led to global infection.

Prior to fingerprints, experts used to measure the left foot, among other body parts, for identification.

This method involved taking precise measurements of body parts to establish unique characteristics and distinguish individuals. However, fingerprints eventually became the preferred method due to their permanence, distinctiveness, and ease of identification. Fingerprints offer a more reliable and efficient means of individual identification compared to measurements, leading to their widespread adoption in forensic science and law enforcement.

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Reduce waste, use eco-friendly products, conserve water, plant trees, and support environmental regulations.

To save the land environment, it's essential to reduce waste, recycle materials, and promote reforestation. To protect water resources, it's crucial to conserve water, avoid water pollution, and reduce plastic waste.

Regarding air pollution, we can minimize our carbon footprint, use renewable energy sources, and adopt eco-friendly transportation. Overall, raising awareness and making small changes in our daily habits can make a significant impact on preserving our planet.

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In the LYTIC PATHWAY of bacteriophages, the virus initiates its replication process and eventually produces enough viral particles to cause its host cell to burst.

In the LYSOGENIC PATHWAY of bacteriophages, viral DNA is integrated into the host's chromosome and replicates with the host until the integrated DNA is reactivated and viral particle replication initiates.

Of the protists, cells of a COLONIAL ORGANISM live together and behave together in an integrated fashion, but remain self-sufficient. In comparison, the cells of a MULTICELLULAR ORGANISM have a division of labor and rely on one another for survival.

Binary fission is a prokaryotic mechanism of ASEXUAL reproduction that yields two equal-sized, GENETICALLY IDENTICAL descendant cells.

The experiments of Stanley Miller and Harold Urey tested whether ELECTRICITY could trigger the formation of simple organic compounds from A MIXTURE OF GASES MIMICKING THE EARLY EARTH ATMOSPHERE.

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Answer:

Particulate matter is the sum of all solid and liquid particles suspended in air many of which are hazardous. This complex mixture includes both organic and inorganic particles, such as dust, pollen, soot, smoke, and liquid droplets.

Particulate matter contains microscopic solids or liquid droplets that are so small that they can be inhaled and cause serious health problems.

Explanation:

Exposure to such particles can affect both your lungs and your heart. Numerous scientific studies have linked particle pollution exposure to a variety of problems, including: premature death in people with heart or lung disease. nonfatal heart attacks.

The description of DNA and encodes genetic information in general terms is a molecule that contains the genetic instructions for the development, growth, and function of all living organisms.

DNA or deoxyribonucleic acid is made up of four nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C). These nucleotides are arranged in a specific sequence, which determines the genetic information encoded in the DNA. This sequence is used to create RNA, which in turn is used to create proteins.

These proteins determine the observable traits of an organism, such as eye color, height, and susceptibility to certain diseases. In general, DNA encodes genetic information through the specific sequence of nucleotides, which is then used to create the proteins that determine an organism's traits.

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Answer:

Heritability of intelligence refers to: the amount of group variation in intelligence that can be attributed to genetics.

Explanation:

Answer:

John Napier (1550-1617), matemático escocés, inventó dos ábacos multiplicativos que se conocen con los nombres de "huesos de Napier" y "promptuario" respectivamente. Se dieron a conocer en el año 1617 y suponen una aportación fundamental en la historia del desarrollo de los aparatos de cálculo.

Explanation:

Answer:

Explanation:

John Napier a Scottish mathematician invented a calculating device in 1614.