during replication, the two strands of a dna double helix is pulled apart at the to form two y-shaped replication forks. group of answer choices

Their movement will require the input of energy. That is option B.

An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.

The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.

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Explanation:

Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.

Answer:

True

Explanation:

Tree roots that grow into crevices and small animals that burrow can cause physical weathering.

The generation of lipids and steroids is one of the many cellular processes carried out by the smooth endoplasmic reticulum.

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We can see that the original DNA sequence is ATC GTA, with 6 nucleotides.

The incorrect sequence is ATC CTA, also with 6 nucleotides.

Given that the number of nucleotides is the same, this mutation cannot be a deletion or insertion; and as there is only a change of which nucleotide is found in the 4th position, then this mutation is a substitution (a is the right answer)

Answer:

your answer will be Substitution

Explanation:

Volcanoes eruption when molten rock called magma rises to the surface. Magma is formed when the earth's mantle melts.

Melting may happen where tectonic plates are pulling apart or where one plate is pushed down under another. Volcanoes are the large volcanic buildings with long, and generally the conical shape, usually with a small crater on the summit and the steep flanks, that constructed by the interleaving of lava flows and the pyroclastic products emitted by one or more conduits.

Compound volcanoes are present in all regions of the volcanism, but it has in the plate convergence zones, where the tectonic plate subdows plunges toward the earth's mantle beneath another tectonic plate, that these volcanic buildings are the most abundant.

The magmatic expression of a converging plate margin environment is usually a series of sub-regularly spaced Compound Volcanoes, forming a sub-parallel volcanic arch to the tectonic fossa.

Therefore, Volcanic eruption when molten rock called magma rises to the surface.

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Answer:

Photosynthesis would need Carbon Dioxide, Water, and Sunlight

Answer:

it takes temperatures between 600 and 1300 degrees Celsius (1,100 and 2,400 degrees fahrenheit )to melt and rock turning it into a substance called magma

Answer:

1.Circulatory system

Explanation:

These characteristics reduce the distance over which diffusion must occur, making the process of diffusion easier to accomplish. This is because diffusion occurs more quickly over a shorter distance.

The acquisition of oxygen by an aquatic organism from the surrounding water is referred to as aquatic respiration. This is accomplished by the process of oxygen diffusion. The process of water and blood flowing in opposite directions across the gills of a fish is known as countercurrent flow. This allows the fish to maximize the amount of oxygen that can diffuse through their bodies.

Porifera, also known as sponges, are sessile animals, which means that they are unable to move on their own and normally remain attached to whatever surface they are living on. They acquire nutrients via the movement of water throughout their cells, and they exchange gases via the straightforward diffusion of molecules across the membranes of their cell walls.

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Answer:

Explanation: got it correct on edmentum

Answer:

microfilamenents, microtubules, and intermediate filaments are equally important

Microfilaments and myosin are among the cytoskeletal proteins important in the cell movement. Therefore, option B is correct.

Microfilaments are thin protein-based filaments that make up part of the cytoskeleton in eukaryotic cells. They are involved in various cellular processes such as cell division, cell shape maintenance and movement.

Myosin are a type of motor proteins that generates force and movement within the cells. It is primarily known for its role in muscle contraction, where it interacts with actin filaments to produce sliding and shortening of the muscle fibers.

In the non-muscle cells, microfilaments and myosin work together to produce movement through a process known as cytoskeleton-based mobility. Therefore, option B is correct.

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Answer:

Yes, it is.

Explanation:

Penguins are a species of seabird that lives in the southern hemisphere, in areas close to Antarctica, characterized by its cold and wide expanses of sea without land. In this context, penguins are capable of living in these temperatures and feeding on fish and other marine elements. In addition, they are unable to fly, but not so to move through the sea using their wings for it.

In man, glucose is present in blood plasma but not in urine. This is because glucose molecules are actively transported from the proximal convoluted tubule to the blood capillaries.

Glucose is a monosaccharide, biomolecule found in ingested food which is used to provide energy to the cells of the body. Glucose is usually found only in the blood, since it is reabsorbed in the renal tubules, but when there are pathologies in which glucose levels in the blood are increased, the sites that reabsorb glucose become saturated, thus having an escape of glucose in urine.

Therefore, we can confirm that in man, glucose is present in blood plasma but not in urine. This is because glucose molecules are actively transported from the proximal convoluted tubule to the blood capillaries.

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Chlorophyll is found in chloroplasts, and it absorbs certains lights but the green light is reflected, not absorbed, and that's why the plants appear green. As the green light is not absorbed, options A and B are incorrect.

Chlorophyll is not involved in cellular respiration, it is involved in photosynthesis. Therefore, D is also wrong.

Lots of enzymes help in photosynthesis and they are found in chlorophyll, therefore C is the correct answer.

Purines, A and G are similar in structure as they both have two-ringed structures with four nitrogen atoms while the Pyrimidines, T, and C have single-ringed structures with only two nitrogen atoms.

Purines and Pyrimidines are nitrogenous bases that are building blocks of nucleic acids DNA and RNA. A purine is an organic compound whose pyrimidine ring is fused with an imidazole. A Pyrimidine is an organic compound that is similar to benzene and pyridine.

Purine forms two nucleobases in the DNA and RNA namely Adenine and Guanine. Pyrimidines consist of three nucleobases in DNA and RNA namely Uracil, Cytosine, and Thymine.

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I and III are the correct options that describes a way to recover items and use them for energy.

Use biofuel or biogas when available for vehicles and reuse plastic or cotton bags for shopping for use of energy instead of fossil fuels. Recycling of waste materials is a good way to reduce production cost as well as reduce pollution in the environment.

So we can conclude that I and III are the correct options that describes a way to recover items and use them for energy.

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One of the ways which describes a way to recover items and use them for energy is the using recovered biomass when appropriate.

Biomass energy can simply be defined as that energy which is generated or synthesized by living things or once living things

So therefore, one of the ways which describes a way to recover items and use them for energy is the using recovered biomass when appropriate.

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Answer:

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Answer:

The correct answer is c. Gastrointestinal stromal tumor (GIST)

Explanation:

Gastrointestinal stromal tumors (GIST) are rare neoplasms that originate from mesenchymal cells, generally express the KIT receptor (CD117) and present activated mutations of the tyrosine kinase or tyrosine kinase receptor proto-oncogene, cKIT (it is the gene that encodes KIT protein synthesis). GISTs can be located in any portion of the wall of the GI tract, but most are located in the submucosa or in the muscularis propria. Some are predominantly extramural; large ones can infiltrate neighboring organs

A gastrointestinal stromal tumor (GIST) is the most likely diagnosis (Option C).

In conclusion, a gastrointestinal stromal tumor (GIST) is the most likely diagnosis (Option C).

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Answer:

The correct answer is: It increases genetic variation in offspring.

Explanation:

Crossing over is a process that occurs during meiosis in which homologous chromosomes exchange genetic material. This exchange of genetic material between chromosomes creates new combinations of alleles that were not present in either parent. This increased genetic variation in offspring is beneficial because it can result in individuals with new and possibly advantageous traits that can increase their chances of survival and reproduction.

Answer:

According to the EPA, the average American person will produce about 5.91 pounds of trash, with about 1.51 pounds being recycled; 4.40 pounds is the rough average daily waste per person. That's a lot!

Answer:

diffusion

Explanation:

because particles expand and spread out from an area of high concentration to low.concentration which is known as diffusion

Answer:

Carbohydrate and protein

Explanation:

I think the carbohydrate and protein can be found in living things

Answer:

One of the most famous water towers in Illinois is the Chicago water tower built in 1869 by William W. Boyington. The huge tower was built to pump water from Lake Michigan.  This tower is a very rare tower because it is also one of the few towers to survive the great chicago fire in 1871. This water tower has had a positive affect on the people of chicago providing water for them.

Explanation:

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Organelle in the table is correctly matched with its function is cell wall.

The cell wall provides support and protection to the cell and helps maintain its shape.

It also works in conjunction with the cell membrane to regulate the movement of substances in and out of the cell.

Chloroplasts, on the other hand, are responsible for photosynthesis and converting light energy into chemical energy.

Vacuoles are storage organelles that can store water, nutrients, and waste materials.

They also play a role in maintaining the turgor pressure of the cell.

The cell membrane, also known as the plasma membrane, regulates the movement of substances in and out of the cell and plays a crucial role in maintaining the cell's internal environment.

It is important to understand the functions of different organelles in the cell as they work together to maintain the cell's overall health and functionality.

A correct understanding of the functions of these organelles can aid in the diagnosis and treatment of various cellular diseases.

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Answer:

Explanation:

They will differ because MHC molecules of the donor may stimulate rejection of the graft tissue as opposed to a receiver rejecting it in an immune response. That is because the MHC molecules are a group of genes that code for proteins found on the surfaces of cells that help the immune system recognize foreign substances and the surfaces are what is being transplanted during a tissue graft, meaning they are the ones that will ultimately reject the tissue graft operation.