which two molecules bond together to form a disacchride?

Answer:

carrying genetic material.

Explanation:

This is so because DNA is the transferabble-ness of what makes your body specific as a human.

DNA in a cell is responsible for inheritance and directs the synthesis of proteins. It is accurately replicated for vertical gene transfer and is organized into genes on chromosomes and plasmids. Hence the correct option is C.

The function of DNA in a cell is crucial for storing and transmitting genetic information. This genetic material is responsible for inheritance, being passed from parent to offspring for all life on Earth. To ensure the integrity of this information, DNA replication occurs with high accuracy, allowing for vertical gene transfer during cell division. Moreover, the genome containing the DNA is organized into genes on chromosomes and plasmids, which direct and regulate protein synthesis necessary for the cell's growth and reproduction in its environment.

Answer:

Diffusion

Explanation:

Diffusion is the homeostasis of solvents

Answer:

Diffusion (a passive transport)

Explanation:

Diffusion refers to the passive movement of substances from the region of higher concentration to that of lower concentration. Uniform distribution of solvent throughout the solution occurs when molecules of solvents diffuse in all directions to equalize their distribution in the solution. Since it does not need the input of energy, diffusion is a type of passive transport.

Answer: B - Rock concert

Explanation:

Noise pollution can be define as an environmental pollution which is caused by the emission of elevated levels of sound for a considerable long period of time. The elevated level of sound may have an adverse impact over the human and other animal hearing ability. According to world health organization, the sound level beyond 85 db for a period of 8 hours is hazardous.

Among the options given, rock concert is the correct. The rock concert is associated with noise pollution as it will involve the use of loud speakers with high volume which can cause heart problems and hearing impairment.

Among the given options, a Rock concert is most likely to cause noise pollution due to the high levels of sound produced that can impact both human and animal life, unlike street lamps and pavement runoff which relate to other types of pollution.

Noise pollution is a significant environmental concern that can arise from various human activities. Among the options provided, B - a Rock concert is most likely to cause noise pollution. This is attributed to the high decibel levels typically associated with concerts, which can include amplified music and large crowds, both contributing to the creation of noise that can disrupt human and animal life. For example, chronic noise pollution from events like concerts can lead animals to abandon habitats, disturb reproductive functions, and increase vulnerability due to impaired hearing. Additionally, regular exposure to loud noise can result in hearing damage in humans.

Other human activities such as operating power tools, listening to MP3 players at full volume, and living near areas with frequent traffic noise can also contribute to noise pollution. These sources can affect children's learning capacities and cause varying levels of stress and discomfort in people. In contrast, street lamps and pavement runoff are not typically associated with noise pollution, but rather with light pollution and water pollution, respectively.

Final answer:

Chemical components in genes can be used repeatedly without a B. specific limit. There are at least 20 types of aminoacyl tRNA synthetases in any species. For cell division, starting with 50 cells and no cell death, there would be 1600 cells after five generations.

Explanation:

In genetics, genes are composed of DNA, which in turn is constructed from four types of nucleotide bases. These bases can be used repeatedly without a set limit to form the sequences necessary for various genes. When it comes to the reference information provided, in any given species, there are at least 20 types of aminoacyl tRNA synthetases.

These enzymes are responsible for attaching the correct amino acid to its corresponding tRNA, which is crucial for protein synthesis. For the cell division question, if a culture starts with 50 cells and there is no cell death, the number of cells present after five generations would be calculated by doubling the number of cells in each generation. Thus, after five generations, the culture would have 1600 cells (50 cells x 25).

I believe it was the Paleozoic period

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Population growth is defined as the increase in the number of people in a population. The population growth in the preindustrial age was very slow and constrained to food resources.

The characteristic typical of the human population in the given graph is the high birth and death rate.

The preindustrial era had high birth rates and death rates because the work in the agricultural field requires larger families and labor. These societies also had limited knowledge of birth control.

The death rates are higher because of poor living standards and constrained available food resources.

Birth rates are the total number of births per 1000 population, whereas the death rate is the number of deaths per 1000 population in a year.

Thus, the correct answer is Option D.

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In the pre-industrial stage (Stage 1), typical characteristics of a human population include high birthrate and death rate, leading to stable population growth.

The characteristics that are typical of a human population in the pre-industrial stage, which is also known as Stage 1 of the demographic transition model, include high birthrates and high death rates. This stage is characterized by a largely agricultural society, with families often larger due to a high infant mortality rate and a need for labor. The life expectancy is relatively short, healthcare is minimal or non-existent, and the population growth is stable because the high number of births is balanced by a similarly high number of deaths.

In summary, the correct answer to the question is D - High birthrate and death rate.

Genetic information is your DNA, other known as deoxyribonucleic acid. It is basically your identification.

Genetic information (DNA) helps you know and understand health conditions that run in your family, as well as your risk for developing certain health conditions or having a child with certain conditions. This information can help you make healthy lifestyle choices and important life and medical decisions.

It can also be used to identify a perpetrator in a crime. There are many uses for DNA.

If this is not enough, feel free to use this link to learn more about DNA: https://en.wikipedia.org/wiki/DNA

And example of genetic engineering would be see golden rice enriched with vitamin A this is a genetically modified food and it would be helpful for people in poor countries who are vitamin a deficient

Answer:

Peptide bonds and Amino Acids

Explanation:

Primary structure. The primary structure of a protein refers to the sequence of amino acids in the polypeptide chain. The primary structure is held together by peptide bonds that are made during the process of protein biosynthesis.

Protein structure is organized into primary, secondary, tertiary, and quaternary levels. Primary structure is the amino acid sequence, secondary structure is the folding or coiling of the protein, tertiary structure refers to the 3D arrangement, and quaternary structure involves protein subunit interactions.

The structure of a protein can be described in four levels of organization: primary, secondary, tertiary, and quaternary structure. The primary structure refers to the sequence of amino acids in the protein's polypeptide chain. Secondary structure involves the folding or coiling of the protein chain into alpha helices or beta sheets. Tertiary structure refers to the three-dimensional arrangement of the protein's folded structure. Quaternary structure involves the interaction of multiple protein subunits to form a functional protein complex.

Answer:

Messenger RNA: Encodes amino acid sequence of a polypeptide. tRNA - Transfer RNA: Brings amino acids to ribosomes during translation. rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.

Explanation:

Answer:

The three types of RNA are: messenger RNA, carrier RNA and ribosomal RNA.

Explanation:

Messenger RNA (mRNA): it is the type of RNA that presents itself in a smaller amount in a cell, constituting about 5% to 10% of all cellular RNA. It is translated into the protein synthesis process, and is therefore the one that encodes proteins. It has sequences of nitrogenous bases that determine which amino acids will be used to form a given protein. It is a very heterogeneous class of RNA.

Transporter RNA (tRNA): This RNA is responsible for making the codon and amino acid link. In summary, we can say that tRNA works as an adapter between mRNA and the amino acids that will constitute a protein. The tRNA is small and has a structure similar to that of a clover leaf that has four arms. Two of these arms are of great importance for this RNA to perform its functions: the amino acid arm and the anticodon arm. The amino acid arm binds to a specific amino acid, and the anticodon arm has a complementary sequence to the mRNA codon. The other two arms are important for maintaining the structure of this RNA molecule.

Ribosomal or ribosomal RNA (rRNA): composes the structure of the ribosome, an organelle that is the site of protein synthesis. Each ribosome is made up of two subunits and each of these subunits is made up of about three rRNA molecules and several associated proteins. It is estimated that this type of RNA represents approximately 80% of the total RNA in a cell.

D is your 100% correct answer

Answer:

The correct answer will be D. Bigger system build on smaller systems

Explanation:

Level of organization are arranged from simple (organelles) to complex( biosphere).

The lowest level of organisation is atoms which make bond with each other to form molecules. These molecules further polymerize to form macromolecules and macromolecules combine to form cell organelles in a cell (structural and functional unit of life). that further makes complex organisms

The highest level of  organisation is biosphere which comprises of all the living and non-living component on earth.

thus,the correct answer is option D.

Answer:

C. B cells produce antibodies specific to the flu virus.

Explanation:

Answer:

C. B cell produce antibodies specific to the flu virus.

Explanation:

Have a nice day. :)

Answer:

The first one is A. The second one is A and the last one is B.

Explanation:

I did it on USATestPrep

Offspring of animals from different species subtypes are hybrid,  postzygotic hybrid sterility is the birth of a mule after the mating of a horse and a donkey. A reproductive isolation is caused related to geography and anatomy. Behavioral isolation is different breeding seasons of species.

Isolation is a process by which two species which can produce hybrid offspring are prevented from doing the same.

it can be of following types:

Birth of a sterile mule after the mating of a horse and a donkey is postzygotic hybrid sterility.

A reproductive isolation is caused related to geography and anatomy.

Behavioral isolation is the isolation based on different breeding seasons.

Thus, the correct option for the first statement is A, for second statement is B, and for the third one is A.

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Answer:Heavy precipitation Rain forest and savannas Warm temperature.

Explanation:

Tropical rainy climates have hot temperatures, heavy precipitation, and support rainforests and savannas, unlike temperate marine climates ,option C, D and E are correct.

Hot temperatures, heavy precipitation, and the presence of rainforests and savannas are features of tropical rainy climates that temperate marine climates do not have.

Tropical rainy climates, found near the equator, have warm temperatures year-round and high rainfall, often exceeding 100 inches annually. These climates support dense vegetation like rainforests and grasslands such as savannas.

In contrast, temperate marine climates, typically found in coastal regions, have mild winters, cool summers, and moderate precipitation. They often support evergreen trees like conifers.

Artificial selection is when people select the traits that they want the organism to have like crossing two breeds of dogs

C humans living on earth

Answer:

humans began living

Explanation:

Answer:

To fight disease

Explanation:

A function of the human immune system to fight disease

The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins.

Information. The immune system protects the body from possibly harmful substances by recognizing and responding to antigens.

Antigens are substances (usually proteins) on the surface of cells, viruses, fungi, or bacteria

The acquired immune system, with help from the innate system, makes special proteins (called antibodies) to protect your body from a specific invader

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Answer:

>>>steady nutrient supply

>>>>ample sunlight

Explanation:

The neritic zone lies in the continental shelf and it extends from the surface to about a depth of 200m. Below the neritic zone is the bathyal zone.

The neritic zone is a shallow zone of water. It is sunlit and it receives ample solar insolation all year round. The salinity of this zone is very stable. This makes for organims to thrive. The neritic zone is home to diverse aquatic life. Due to the ample sunlight available here, photosynthetic rate is very high.

Due to high insolation in this region of the ocean, surface temperature is very high. The deeper we move in the ocean, the colder the water body becomes.

Answer:

THE ANSWER IS B &E

Explanation:

Answer:

after photo-autotrophic prokaryotes evolved

Large amounts of oxygen gas appeared in Earth's atmosphere about 2.7 billion years ago after photo-autotrophic prokaryotes evolved.

Hence, after photo-autotrophic prokaryotes evolved is the correct answer.

Therefore, option A is the correct answer.

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Hello There!

Scientists think that the earths core contains iron because they have inferred that the core is iron by conducting seismic experiments. The magnetic field is also a strong clue.

Answer:

Scientists have confirmed that iron is present in the earth's core by observing the seismological data and the pattern of the earth's magnetic field.

Iron is a high-density element and is concentrated in huge amounts at the core. This iron has been present right from the time of earth's formation and has been probably there due to its gravitational force.

The seismic P-wave and S wave-wave propagation behavior within the interior of the earth depicted the presence of an inner core (solid) and an outer core (liquid) composed of iron and the temperature in this region is very high.

Answer:

B. diploid phase

Explanation:

The plants that we recognize today are most angiosperms and they like all other vascular plants. The dominant phase is the sporophyte generation. Each cell of the sporophyte generation is diploid.  Most of the time in the life cycle of a plant is spent in vegetation phase (root, stem and leaf) and reproductive phase (flowers). Flowers produce spores after meiosis. Spores are geminate to form gametophytes which are haploid. Male gametophyte develops within a pollen grain and produces sperm. Female gametophyte develops in the ovary and produces eggs.  After pollination and fertilization, a diploid zygote which is the first cell of sporophyte is formed. The zygote develops into an embryo inside a seed.

Plants are able to continue growing once the starch supply in the seed is spent because they (option C)have chloroplasts. These chloroplasts use absorbed light energy during photosynthesis to create more food, which facilitates the plant's continued growth and development.

Based on the information and diagram provided, once the starch supply in the seed is exhausted, plants continue to grow and develop due to their capacity to perform photosynthesis. This is represented by option C. Photosynthesis is a process in chloroplasts where plants use light energy to make more food. The plant begins to grow leaves that can absorb sunlight. The light energy is then used to convert water and carbon dioxide into glucose, which serves as a source of energy and a building block for plant growth.

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After the germinating seed's stored starch is used up, the plant can continue growing by using photosynthesis. This process, facilitated by chloroplasts in plant cells, converts light energy, water, and carbon dioxide into sugar for energy.

The process you are asking about is related to photosynthesis, which is one way that plants can continue to grow even after their stored starch is gone. The correct option from the ones given is C. Plants have chloroplasts and use light energy to make more food.

Life starts for a plant when the germinating seed uses the stored starch for energy to start growing. Once this stored food supply runs out, the plant must find a new source of nutrients, so the plant begins the photosynthesis process. This process involves the chloroplasts found in plant cells using light energy, usually from the sun, to convert water and carbon dioxide into glucose, which is a type of sugar that the plant can use for energy.

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Answer:

A

Explanation:

I am pretty sure sorry if i am wrong

The option (D) is correct. The closing of stomata will be increased.

a stoma, also called a stomate, is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange. The pore is bordered by a pair of specialized parenchyma cells known as guard cells that are responsible for regulating the size of the stomatal opening.

Moreover, stomata are cell structures in the epidermis of tree leaves and needles that are involved in the exchange of carbon dioxide and water between plants and the atmosphere.

Hence, stomata are the tiny openings present on the epidermis of leaves. We can see stomata under the light microscope. In some of the plants, stomata are present on stems and other parts of plants. Stomata play an important role in gaseous exchange and photosynthesis.

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Final answer:

In response to hot, dry, and windy weather, a corn plant will close its stomata to conserve water, which unfortunately also reduces the uptake of CO2 for photosynthesis, ultimately decreasing the rate at which photosynthesis occurs.

Explanation:

During hot, dry, and windy conditions, a corn plant will undergo certain adaptations to cope with the stress of water loss. Stomata are small openings on the underside of leaves that enable gas exchange - they take in carbon dioxide (CO2) for photosynthesis and release oxygen (O2). However, they are also the primary route for water vapor exiting the plant. To conserve water, the plant will increase the closing of stomata, which reduces water loss but also limits CO2 uptake, affecting the rate of photosynthesis.

This scenario will lead to a decrease in the rate of photosynthesis because of the reduced level of CO2. While other mechanisms might come into play, such as a possible increase in root growth to access deeper water reserves, the most immediate response to hot and dry conditions is typically the closing of stomata to prevent water loss. Thus, answer D, 'The closing of stomata will be increased,' is the most directly related response from the list provided to the weather conditions described.

The kingdom Monera in the old classification system included all bacteria. In the current classification system, prokaryotes are divided into two kingdoms: Bacteria and Archaea.

In the old classification system, the kingdom Monera included all bacteria. However, in the current classification system, prokaryotes are divided into two kingdoms: Bacteria and Archaea. Bacteria is the kingdom that encompasses the majority of prokaryotic organisms, while Archaea represents a separate group of prokaryotes that are often found in extreme environments.

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Answer:

 Option (C)

Explanation:

The divergence of two oceanic plates leads to the expansion of the ocean. The mid-oceanic ridge occurs along the divergent plate boundary, where the magma comes out to the surface of the ocean floor and solidifies. This region experiences more stretching as a result of which the sea floor near the mid oceanic ridge appears like the baseball stitches. This oceans in due course of time becomes large because of the continuous expansion. For example, the Atlantic ocean is rapidly expanding.

On the other hand, the oceans also gets shrink because of the convergence of oceanic and continental plates and convergence of two oceanic plates. They are often marked by the presence of active volcanisms in its adjacent plate. These oceans due to the continuous convergence, leads to the shrinkage of oceans. For example, the Pacific ocean.

Thus, the ocean A will become larger and Ocean B will shrink.

Hence, the correct answer is option (C).

the answer is C.

Plants use atmospheric CO2 through photosynthesis

Forests reduce atmospheric carbon dioxide levels through the process of photosynthesis. Photosynthesis is a process in which trees use atmospheric carbon dioxide to create glucose and release oxygen, thus reducing the overall level of atmospheric carbon dioxide.

The best explanation for how forests reduce atmospheric carbon dioxide levels is through the process of photosynthesis, which is carried out by the trees and other plants within the forest. This is represented by option C. Trees use atmospheric carbon dioxide during photosynthesis to produce glucose, an organic compound, and oxygen. The carbon dioxide, in combination with water and light, is transformed into glucose and oxygen. The glucose is used by the plant for growth and energy while the oxygen is released back into the atmosphere. In this way, trees and forests play an essential role in maintaining the earth's carbon cycle and reducing atmospheric carbon dioxide levels.

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Answer:

Autotrophs

Explanation:

The bacteria living near hydrothermal vents use chemicals and heat to create their own food, which classifies them as Autotrophs - organisms that can produce their own food.

The bacteria that live near hydrothermal vents at the bottom of the ocean use chemicals and heat in the water to synthesize their own food. This process called chemosynthesis is a way of converting inorganic substances into organic matter. This feature classifies them as Autotrophs. Autotrophs are capable of producing their own food, unlike heterotrophs, which rely on consuming other organisms for their nutritional needs.

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The correct answer is A

Answer:

The correct answer will be option A.

Explanation:

Evolution is a process which changes the characteristics of a species over several generations which changes species over time.

Natural selection is one of the mechanism by which species become adapted to their environment  and evolve over time.

Natural selection takes place at the genetic level as the genetic mutations beneficial to survival are passed on to next generations through reproduction which result in generation of new organisms.This causes species to change and diverge over time.

For e.g- Before industrial revolution white peppered moth dominated compared to dark brown moths as the trees were white and the brown moths were not able to hide themselves from predators but after industrial revolution due to darkening of trees white moths were not able to hide while brown were able to and dominated.

thus option A is correct.

Answer:

A. The more glucose absorbed, the more insulin is secreted.

Explanation:

Glucose is broken down molecules in our food. Insulin is what is produced in response to the glucose molecules, so the more glucose, the more insulin and vice versa. The graph also proves this.

I hope this helps!

Insulin is the hormone that helps to regulate the blood glucose level in human beings. Here, in the given graph, high glucose level causes release of more insulin, i.e., option A.

Glucose is a carbohydrate that is essential to generate energy in the body in the form of ATP.

High or low level of glucose can result in diabetes, hence it is essential to release insulin to regulate it.

In the given graph, it is showing the same thing that high glucose level causes release of more insulin.

Thus, the correct option is A.

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