How many letters in a codon?
Select one:
O 5
o 6
O 3
o 4

The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Enhancers are stretches of DNA that can be located many thousands of base pairs away from the transcription start site (TSS) of a gene.

Activators are a type of transcription factor that specifically bind to enhancers to increase transcription.

Enhancers and activators work together to increase the rate of transcription by helping to position RNA polymerase (the enzyme that synthesizes RNA from a DNA template) at the TSS of the gene. Once RNA polymerase is properly positioned, it can initiate transcription and synthesize an mRNA transcript of the gene.

The specific interaction between an enhancer and an activator depends on the DNA sequence of the enhancer and the binding site of the activator. Different activators bind to different enhancers, and the strength of the interaction between the two can vary depending on the specific proteins involved.

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Each kernel of corn has a mass of 0.6 grams.

We must utilize the provided data on the overall mass and the number of kernels to determine the mass of one kernel of corn. We are informed that 20 kernels weigh 12 grams.

We can use a ratio of the total mass to the number of kernels to get the mass of a single kernel. This is because, if all kernels have the same size and weight, the mass of each kernel should be the same.

mass of 1 kernel = total mass/number of kernels

In this case, we are given that 20 kernels have a mass of 12 grams. So we can plug these values into the formula:

mass of 1 kernel = 12 grams / 20 kernels

Simplifying this expression, we get:

mass of 1 kernel = 0.6 grams

Therefore, each kernel of corn has a mass of 0.6 grams.

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Answer:

C. carbon dioxide and water

Explanation:

The raw materials that are needed for photosynthesis are carbon dioxide and water. So, option (C) is correct answer.

Answer:

Gravity, electricity, and magnetism are considered non-contact forces because they do not physically act on objects.

Explanation:

Gravity, magnetism, and electricity all use fields to act on objects without actually touching them. They can all force objects to move without touching them through these fields.

Answer:

They are each made of matter. Some are compounds made of one type of element. Some are pure atoms.

Explanation:

Matter refers to the particle which has inertia and takes up physical space. As per modern physics, the matter is made up of different types of particulates, each with its mass and size. elements are consist of only one type of atom and can exist as either atoms or molecules whereas compound is incorporated of two or more different elements that are bound together, chemically. As per the question silver is an element while others are examples of compounds and they both belong to the category of matter.

Given what we know, we can confirm that the soil in field C most likely lacks the presence of microbes that help plants grow or has a higher presence of microbes that are harmful to plant growth.

This would mean that the microbe in question has a symbiotic relationship with plants. Meaning that it promotes plant growth in exchange for nutrients from the plant, and both organisms will benefit, similar to microbes such as AM fungi.

Therefore, we can confirm that the soil in field C is likely to lack plant symbiotic microbes that are most likely found in fields A and B.

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They created stromatolites, which added oxygen to the atmosphere.

Prokaryotes that can reproduce independently produce organic compounds from carbon dioxide. Heterotrophic prokaryotes, in contrast, get their carbon from organic substances. The terminologies that describe how prokaryotes receive carbon and energy can be combined to further complicate the picture.

Phototrophs, which are autotrophic organisms that transform solar energy into chemical energy, first appeared within a billion years after the birth of the Earth.

Since plants can produce their own sustenance, they are referred to as autotrophs. Through the process of photosynthesis, plants create glucose using water, carbon dioxide, and solar energy. Some protist species also use photosynthesis to produce energy.

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Answer:

Itss trueeeeee

Explanation:

The energy required to break multiple Hydrogen bonds causes water to have a high heat of vaporization. A large amount of energy is needed to convert liquid water, where the molecules are attracted through their hydrogen bonds, to water vapor, where they are not.

Answer:

mouse

Explanation:

Answer:

223G

Explanation:

Go from big to small 200, then 20, then 3 g, I can see ur pointer blocking the 3

Answer:

the instruction

Explanation:

Answer:

Element A: carbon dioxide

Element B: oxygen

Explanation:

The phylum Cnidaria does not include the Octopus groups.

They are unable to move because they lack truthful muscle tissue. The class Cnidaria includes stinging animals with soft bodies, such as corals, sea urchins, and sea anemones .  Cnidarians can be found in a variety of aquatic environments. Sea anemones are found all over the world, from the cold cold waters to the equator, from simplistic tide pools to the deep ocean floor. Jellyfish float near the ocean's surface and in some tropical freshwater lakes. Corals are mostly discovered in shallow tropical waters, but a few grow in deep cold seawater as well.

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Answer: • If the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.

Explanation:

its good to think about the hypothesis as an if then statement. Example:  If the independent variable(light intensity) is changed than the dependent variable(rate of photosynthesis) with be effected in this way.

There can be many answers for these king of question for eg:- Its wider

Answer:

a. sunlight and nutrients availability.

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Answer:

A

Explanation:

Answer:

Astrology has not demonstrated its effectiveness in controlled studies and has no scientific validity, and is thus regarded as pseudoscience.

Explanation:

In order to understand which of the tubes are isotonic, we must understand that tonicity is the osmotic pressure generated by the difference in concentrations of two solutions.

In simpler terms, when we have two solutions with different concentrations of solute, this difference causes osmosis to occur. The pressure that this reaction produces is known as osmotic pressure. Tonicity is the comparison of these solutions to one another and can be classified as:

A hypertonic solution is one whose concentration of solute particles is higher than that of the solution it is being compared to. Meaning that this solution is placed on the other side of a membrane would cause water to move to it through osmosis. Conversely, a hypotonic solution would produce the opposite reaction by having a lower concentration.

Isotonic solutions, on the other hand, are those whose concentrations are equal to the solution they are being compared to. This means that if placed on the other side of a membrane they would remain in a balanced state and not cause a reaction. An isotonic solution to distilled water would be more distilled water.

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The correct options are:-

(1) lymphocytes, macrophages, and neutrophils,

(2) skin, cilia; lysosomal enzymes, and defensins (biochemical barriers),

(3) phagocytes: macrophages, neutrophils, and dendritic cells.

The major cells of the immune system are lymphocytes, macrophages, and neutrophils. Lymphocytes produce antibodies to fight pathogens and help the body recognize invaders. Macrophages act as the body’s garbage collectors, engulfing and digesting damaged cells, microbes, and other foreign particles.

Neutrophils are the most abundant white blood cells and are important in the first line of defense against infection.

Major anatomical barriers to infection include the skin, mucous membranes, and cilia in the respiratory system. Biochemical barriers include antimicrobial proteins, lysosomal enzymes, and defensins.

The three cell types that function as phagocytes are macrophages, neutrophils, and dendritic cells.

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Answer:

Chemical energy to Heat energy to Mechanical energy

Explanation:

Gasoline burns and generates heat. This heat is converted by the engine into mechanical energy to move the car.

Answer:

An actual computer virus is a malicious software, often known as malware, that can harm a computer and its users.

Virus hoaxes are false or misleading information about viruses that circulate through various communication channels.

They can be more dangerous than actual viruses due to their ability to spread quickly, cause panic, and undermine effective public health measures.

Virus hoaxes are deceptive messages or claims that often exaggerate the severity or impact of a particular virus. They can be spread through social media, email chains, or word of mouth. These hoaxes may include misinformation about symptoms, transmission methods, or false remedies, leading people to take ineffective or even harmful actions.

What makes virus hoaxes particularly dangerous is their potential to create panic and misinformation at a rapid pace. The viral nature of social media and other communication platforms allows these hoaxes to reach a wide audience within a short period. As a result, people may make decisions based on false information, such as avoiding necessary medical treatment, taking unnecessary precautions, or spreading fear and misinformation to others.

Moreover, virus hoaxes can undermine public health efforts by diverting attention and resources from legitimate preventive measures. They can erode trust in healthcare authorities and disrupt the dissemination of accurate information, making it harder for individuals to make informed decisions and follow recommended guidelines.

This can have severe consequences, especially during outbreaks or pandemics, where timely and accurate information is crucial for public safety. Therefore, it is essential to verify the credibility of information and rely on trusted sources to mitigate the risks associated with virus hoaxes.

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Answer:

(NH4)2O

Explanation:

Nitrogen>Hydrogen>Beryillum>Carbon Oxygen

Wastewater is contaminated with oil and becomes sludge in landfills.

Environmental consequences of oil spillage

The effects oil spillage create a great environmental pollution.

The pollution caused by oil spillage can kill surface-dwelling animals and birds by poisoning or suffocation, as well as affecting buoyancy and natural waterproofing.

Contaminated food supplies mean animals may become malnourished or poisoned over time.

Thus, the statement that best describes an environmental consequence of this process is "Wastewater is contaminated with oil and becomes sludge in landfills".

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Answer: b. The inheritance of alleles of one gene does not affect the inheritance of alleles of another gene.

Explanation: