How many changes would be needed in the base parts to specify the substitution of amino acids in a polypeptide chain that is 146 amino acids long?

Answer:

I believe your answer is: B) The mRNA of a ribosome attaches to a strand of rRNA, looking for the start codon

Explanation:

Answer:The ectoderm and endoderm work together to generate the mesoderm during enterocoelous development. Beginning as small pockets, the mesoderm develops into the coelom as it grows larger

Option A increased ability to respond to climate change is Not Following Monocultures.

A single crop is grown in a monoculture, or single-crop system, on a specific plot of land. Multiple cropping, which involves cultivating a variety of crops, is the antithesis of this farming method.

The possibility of parasite/pest attack on the crops is one drawback of planting a diversity of crops as opposed to a single crop in monoculture. Pests and parasites can quickly spread across the many crops grown on the farm.

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During the Calvin cycle, the process of carbon fixation occurs, in which carbon dioxide (CO2) is added to a five-carbon sugar molecule called ribulose-1,5-bisphosphate (RuBP) through the enzyme RuBisCO, forming an unstable six-carbon molecule.

This molecule immediately splits into two molecules of 3-phosphoglycerate (3-PGA), which can be further converted into glyceraldehyde-3-phosphate (G3P), a three-carbon sugar that can be used to build more complex organic molecules such as glucose.

The Calvin cycle is a series of biochemical reactions that occur in the chloroplasts of plants and algae and is essential for the process of photosynthesis, which converts light energy into chemical energy stored in the bonds of organic molecules.

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From the rock record and fossil record, scientists can infer the history of the Earth and the changes that have occurred over time. The rock record provides information about the physical and chemical properties of rocks and their formation, while the fossil record provides evidence of the past life on Earth.

One specific example of evidence from the rock record is the principle of superposition. This principle states that in a sequence of undisturbed rocks, the oldest rocks are at the bottom and the youngest rocks are at the top. By studying the order of rock layers, scientists can determine the relative ages of the rocks and the events that occurred during their formation.

Another example of evidence from the fossil record is the concept of index fossils. Index fossils are fossils of organisms that lived during a relatively short period of geologic time and were widespread, making them useful for dating rocks and correlating geologic events. For example, the trilobite species Phacops rana is an index fossil of the Ordovician period, which helps scientists to identify and date rocks of that age.

Overall, the evidence from the rock and fossil record helps scientists to organize geologic time by providing a relative timeline of events and the evolution of life on Earth.

Answer:

A non-example of brackish water would be water that is not a mixture of fresh and saltwater. For example, distilled water, which contains no dissolved salts or minerals, would be a non-example of brackish water.

Answer:

Distance & Time

Explanation:

Speed is described by distance

There are two possible possibilities for future population growth.

A population is a group of people who belong to the same species and who can interbreed. They live in the same area. These people can travel inside a country or between them. They can also pass away or give birth to new people. Detailed response in each stage.

There are exponentially more people living on the world. Humanity has increased the world's carrying capacity through migration, agriculture, medical technology, and communication. Using the age distribution of a population, we may predict population growth.

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Question:

Choose the statement about human population growth that is not correct.

a) Approximately 72 million people are added to the planet each year.

b) If population growth continues at its present rate, there will be 8.9 billion people on Earth by 2050.

c) Innovation and technology may play a role in lessening the impact of future population growth.

d) There are two possible scenarios for future population growth.

Answer:

The answer to your question is Thermal energy

Explanation:

When converting to electrical energy, some equipment is needed, like generators, transformers, cables, circuit breakers, and every kind of devices with specific functions to have a good and safe electrical service. Each device has an internal resistance that opposes the flow of current. The resistances produce thermal energy as a result of current flowing through them. It's not possible to avoid this waste of energy, electrical engineers do their best to use better materials and configurations to reduce the thermal waste to a minimum.

I hope this helps and have a wonderful day!

Answer:

Phytoplankton are the foundation of the ocean food web, providing organic matter for virtually all other marine creatures. Their primary productivity limits the growth of crustaceans, fish, sharks, porpoises and other marine creatures. They are responsible for half of the photosynthetic activity on the planet. Phytoplankton’s role in the global ecosystem has made them a target for controlling carbon-dioxide levels in the earth’s atmosphere.

Giant kelp is a type of brown algae that grows in shallow, nutrient-rich saltwater near coastal fronts around the world. It provides habitat and food for a variety of marine organisms. Kelp and other types of marine vegetation absorb an estimated 20 times more carbon dioxide per acre than forests on land, making it a powerful force in storing this persistent greenhouse gas and mitigating the effects of climate change.

Option D is Maintaining genetic diversity within a crop type is important because High genetic variety in crop fields allows for more efficient harvesting by farmers

Agriculture dramatically reduces the genetic diversity of plants on earth in a world of genetically modified (GM) crops, and by ignoring genetic diversity, the possibility of the extinction of many native or indigenous crops that are currently grown is evident.

The purpose of genetically modified plants is to develop a superior variety and increase nutrients in a certain food, but the end product is not a healthy choice for people because the GM plants are not friendly to the gut bacteria and have many other negative effects.

So, by neglecting genetic variety, the likelihood that many native or indigenous crops included in Option D will go extinct is increased.

It is crucial for small, fragmented ecosystems to retain genetic variety and avoid inbreeding, which can be aided by gene flow between populations.

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Answer:

The primary nerve cell is called a neuron. Neurons are responsible for transmitting information throughout the nervous system and allowing us to think, feel, and move. They are the building blocks of our nervous system and play an essential role in our overall bodily function.

The primary nerve cell is called a neuron, which transmits information through electrical and chemical signals. Neurons have three main parts: the cell body, dendrites, and axon. They play a crucial role in sensory perception, motor coordination, and memory formation.

The primary nerve cell in the nervous system is called a neuron. Neurons are specialized cells that transmit information through electrical and chemical signals.

There are three main parts of a neuron: the cell body, dendrites, and axon. The cell body contains the nucleus and other organelles, while the dendrites receive signals from other neurons and the axon transmits signals to other neurons.

Neurons are responsible for various functions in the nervous system, such as sensory perception, motor coordination, and memory formation.

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Answer:

The correct answer is: wildflowers, rabbits, foxes

Explanation:

The correct answer is: wildflowers, rabbits, foxes

In a food chain, energy is transferred from one organism to another in a linear sequence. The organisms at the beginning of the food chain are usually producers, such as plants, which are eaten by herbivores, such as rabbits. In turn, the herbivores are consumed by predators, such as foxes.

In a temperate deciduous forest, wildflowers are a common type of plant that can be eaten by rabbits, which are in turn eaten by foxes. Therefore, the correct food chain is wildflowers (producer) → rabbits (herbivore) → foxes (predator).

Tibetan plateau residents have a more stronger type of hemoglobin in their blood, allowing them to make use of the oxygen open at high altitudes. This means they can survive in low-oxygen environments. Andeans have bigger heart parts that enable more blood flow to the lungs to take up oxygen and a gene that aids in the digestion of starches, which are found in their diets.

Answer:

So that we can at any time be convinced of any theories based on past theories.

Explanation:

This is all because there are records of any scientific work.

One of science's greatest advantages is its ability to review and revise previously held beliefs. As fresh information and viewpoints are considered, it enables ongoing progress. This is crucial for science since it enables the creation of fresh hypotheses as well as the improvement of old ones.

The scientific method is the practise of examining and updating ideas. Making observations, developing hypothese, verifying those hypothese, and finally generating conclusions are all part of this process. Both the creation of novel theories and the improvement of preexisting ones are made possible by this process.

It also enables the addition of fresh evidence and the correction of errors. Science also benefits from the practise of reviewing and updating concepts since it enables the creation of new technologies. Scientists can create new technologies and applications that can be utilised to enhance people's lives by reviewing and updating concepts.

For instance, examining and updating previously accepted concepts has made it feasible to develop new medical treatments and technology. In conclusion, one of science's greatest strengths is its ability to examine and modify previously held beliefs. As fresh information and viewpoints are considered, it enables ongoing progress.

As a result of this process, new theories may be developed, old ones can be improved, and new technologies and applications can be created.  

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The human body system is a complex network of organs, tissues, and cells that work together to perform various functions required for the survival of an individual.

There are multiple body systems, including the digestive, nervous, respiratory, cardiovascular, muscular, skeletal, endocrine, immune, and reproductive systems.

Each of these systems is responsible for performing a specific set of functions, such as breaking down food, transmitting electrical signals, exchanging oxygen and carbon dioxide, providing structure and movement, producing hormones, defending against pathogens, and reproducing. These systems interact and depend on one another to maintain homeostasis, or the stable internal environment necessary for optimal bodily function.

The human body system is a remarkable and intricate biological machine that enables us to perform a wide variety of activities, from running marathons to reading books. Understanding how each system works and interacts is critical for maintaining good health and treating diseases and disorders.

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Answer:

Explanation:

The best definition of activation energy is: the energy required to form or break the bonds of reactant molecules. Activation energy is the minimum amount of energy required for a chemical reaction to occur by breaking the bonds of reactant molecules, enabling them to react and form product molecules. The activation energy is determined by the energy difference between the reactants and the activated complex (a high-energy intermediate state), and it affects the rate of the chemical reaction.

Explanation:

jpopwgtxfp meet compare the following using symbols greater than and smaller than than and = a) 4/7 and 3/8

Answer:

A) Discrimination is a negative behavior, whereas prejudice is a negative attitude.

Option D. Only of them relied on the best technology available at the time is the main difference between the Green Revolution and the Gene Revolution

Green Revolution alters the genetic makeup of wheat and rice plants using conventional methods like tissue culture and breeding. Gene revolution modifies the molecular makeup of seeds using the most recent biotechnological technologies, such as gene guns and recombinant DNA technology.

The use of biotechnology in food production is known as the "gene revolution." Farmers can benefit greatly from it since it generates crops that are resistant to pests and illnesses and gives them disease-free planting material, minimising the need for pesticides that are bad for the environment and people's health.

The term "Green Revolution" describes a time when modern agricultural practises and technologies, including the use of High Yielding Variety Seeds, irrigation systems, herbicides, and fertilisers, were adopted, transforming Indian agriculture into an industrial system.

In general, the Green Revolution's results increased the amount of land used for farming and encouraged double-cropping, which involves planting two crops instead of one each year.

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Trees and shrubs, giraffes (who eat trees and shrubs), and lions are all connected by a straightforward food chain (that eat the giraffes). Every link in this chain provides fuel for the one after it.

Energy from the sun is the source of all food chains. Plants capture this energy. There are at least two or three trophic levels in every food chain and web. There are often no more than four trophic levels. Many consumers consume food at various trophic levels. When people eat plants like vegetables, they are the main consumers.

Who eats whom is described in a food chain. All of the food chains in an ecosystem make into a food web. Each organism in an ecosystem resides at a certain trophic level, position, or web of relationships with other organisms. The base of the trophic pyramid represents producers—animals that synthesise their own food through photosynthesis or chemosynthesis.

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Answer:

Aquaculture

Explanation: Its is the practice of culturing of aquatic life

Aquaculture is  technology have allowed for the raising and harvesting of fish for commercial sale.

The farmer's attempts to speed up and improve the growth of aquaculture species are what define aquaculture as a form of farming.

Aquaculture is the process of increasing populations of freshwater, brackish water, and saltwater species in artificial or semi-natural conditions, in contrast to commercial fishing, which also entails catching wild fish.

In contrast to fishing, these methods enable the selective expansion of production of the species that humans desire the most.

In coastal areas, the main potential threats to marine health are poisons, dregs, and overflow. The health of the marine ecosystem offshore is also assessed.

A natural researcher may be necessary, for example, to take into account the impact of an oil slick or other compound risk in the sea. In order to see concerns like the substance cosmetics of residue, the effect of disintegration, and the impact of digging sea bottoms on the marine condition, natural researchers also study the benthic conditions on the sea floor.

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Answer:

List 1

Explanation:

If an organism can photosynthesize it is an producer (autotroph) and not a consumer (heterotroph). If a living thing can make its own food it is a producer. Consumers have to eat.

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Answer:

According to a recent study, ocean pollution is a growing problem which has a negative impact on human health. Humans can ingest toxic and dangerous chemicals by eating seafood which was exposed to this pollution. Ocean pollutants also damage the environment and spread harmful microorganisms.

Explanation:

Ответ: Очень просто. Perhaps I will answer in English. The fish that we catch and eat accumulates bad trace elements in itself, and this is very harmful to the human body.

Вроде правильно:)

Answer:

D) a social norm

can u understand this

A sea breeze describes a wind that blows from the ocean inland towards land. This breeze occurs most often in the spring and summer months because of the greater temperature differences between the ocean and nearby land, particularly in the afternoon when the land is at maximum heating from the sun.

During the day, the sun heats up both the ocean surface and the land. Water is a good absorber of the energy from the sun. The land absorbs much of the sun’s energy as well.  However, water heats up much more slowly than land and so the air above the land will be warmer compared to the air over the ocean. The warm air over the land will rise throughout the day, causing low pressure at the surface. Over the water, high surface pressure will form because of the colder air. To compensate, the air will sink over the ocean. The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean.

Answer:

The tenet of cell theory that BEST serves as a basis for this type of biotechnology is that all living things are composed of cells.

Cell theory states that all living things are composed of one or more cells and that the cell is the basic unit of life. In biotechnology, genes that code for a specific protein can be inserted into bacterial plasmids, which are small circular pieces of DNA found in bacteria, and then the plasmids are used to transform cells. The transformed cells can then produce the desired protein. This process is based on the understanding that all living things are composed of cells and that the genetic information necessary to produce specific proteins is contained within the cell's DNA. Without this understanding of the basic unit of life being the cell, it would not be possible to create transgenic bacteria to synthesize human proteins for medical use.