what is the major ion in seawater

The correct answer is D. Semiconservative replication.

DNA replication is a process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. The mechanism of DNA replication is semiconservative, which means that each new DNA molecule consists of one original strand from the parent molecule and one newly synthesized strand. This ensures that the genetic information is passed on accurately to the daughter cells.

The other options are incorrect:

A. Conservative replication: This would imply that the original DNA molecule remains intact and a completely new molecule is synthesized alongside it. This is not the case with DNA replication; the original molecule is split into two single strands, and new strands are synthesized to complement each of these original strands.

B. Synthesis: While DNA replication does involve the synthesis of new DNA strands, the term synthesis alone does not describe the mechanism by which the replication occurs. It is too general and does not specify the nature of the replication process.

C. Dispersive replication: This would imply that the new DNA molecules are a mix of fragments from both the original and new strands. This is not consistent with the actual process of DNA replication, where the new strands are continuous and complementary to the original strands.

the basic functional unit of orchid grass and fish is the cell

Answer:

the basic functional unit of orchid grass and fish is the cell

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The answer would be (A): Endocrinology.

Earth's temperature depends on the balance between energy entering and leaving the planet’s system. When incoming energy from the sun is absorbed by the Earth system, Earth warms. When the sun’s energy is reflected back into space, Earth avoids warming. When absorbed energy is released back into space, Earth cools. Many factors, both natural and human, can cause changes in Earth’s energy balance, including:

These factors have caused Earth’s climate to change many times.

Unlike almost all ferns, seed plants  create two varieties of spores.

In biology, a spore is a part of sexual or asexual replication that may be accommodated for dispersal and for endurance, oftentimes for long duration of time, in adverse situations. Spores develop component of the life periods of various plants, algae, mildew and protozoa. Bacterial spores are not component of a reproductive cycle but are repellent compositions used for endurance following adverse situations. Myxozoan spores loose amoebulae into their hostesses for parasitic virus, but also generate within the hostesses by the pairing of two nuclei inside the plasmodium, which originates from specific amoebula.

Answer:

The ER acts as a highway system, and the Golgi complex acts as a post office.

Explanation:

In protein processing, the endoplasmic reticulum serves as a highway system, producing and moving proteins, and the Golgi complex functions as a post office, modifying, packaging, and directing proteins to their destinations.

The correct analogy for the functions of endoplasmic reticulum (ER) and the Golgi complex during protein processing is A) in the process of proteins, the ER acts as a highway system and the Golgi complex acts as a post office. These analogies are fitting because the ER synthesizes and transports the proteins similarly to a highway system ferrying goods, and the Golgi complex modifies, packages, and sorts them for delivery, like a post office.

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Digestion is a complex process, in which complex food substances are broken down into simpler forms.

Gastrin is a compound produced in the stomach during the digestion of food substances.

In the given feedback loop, the food when entering the digestion cycle, the gastrin will be secreted, causing the increase in the release of gastric juice. The acidic environment will activate the enzyme pepsin, which lowers the pH inhibiting the release of gastrin.

The gastrin inhibition will lead to an increase in the pH, and thus, the loop will be followed the same way for digesting the food.

Thus, the food when reaches the stomach it will cause the release of gastrin.

To know more about gastrin, refer to the following link:

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Answer:

An ecosystem

Explanation:

Ecosystem refers to the interaction of the biotic components of a community with one another and also with abiotic components i.e. physical environment. The biotic components describes organisms that possess life in them e.g animals, plants, and microbes. The abiotic components describes the lifeless physical environment e.g climate, temperature, sun, soil etc.

According to the question, organisms in a pond interacting makes up an ECOSYSTEM. The organisms could include fishes, plants, bacteria, planktons etc. Specifically, because this ecosystem occurs in water, it is referred to as an AQUATIC ecosystem.

Answer:

So it would be C.

Explanation:

Change to the landscape from construction. The answer is c because if there is construction, they are probably building something on top of what used to be that ecosystem.  i hope this helps

Answer:

c deactivating an enzyme

An inhibitor deactivates an enzyme in an enzyme-substrate reaction by binding to the active site or an allosteric site, preventing the substrate from binding and reducing the enzyme's activity. So the correct option is d.

The function of an inhibitor in an enzyme-substrate reaction is to interfere with the enzyme's activity. This can be achieved by different types of inhibitors through various mechanisms. An inhibitor may bind competitively to the active site of an enzyme, preventing the substrate from binding, in what is known as competitive inhibition. Alternatively, an inhibitor can bind noncompetitively to an allosteric site on the enzyme leading to a change in the enzyme's conformation and thus reducing its affinity for the substrate; this type of inhibition is called allosteric inhibition. The correct answer to the question would be (d) deactivating an enzyme, as inhibitors generally work by reducing or stopping the catalytic activity of enzymes.

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Answer:

Isostatic rebound is actually a very slow adjustment process among the terrestrial elastic layers of planets like earth, which gets slower once it reaches certain equilibrium.

It's defined as a rebound due to the response after a very heavy force/load is either removed or further inflicted on the lithosphere, depresing it or displacing it, and making it rise up again somewhere else.

The pression or load/force is caused by huge ice sheets, such as when ice ages in the past, which can either melt at some point in time, or reach equilibrium, with the asthenosphere (layer below lithosphere) gathering enough strengh to carry that weight.

In both scenarios, the earth's response is slow and it may vary either due to it's axial tilt and orbit related to the Sun causing warmer periods, or to the changes in weight upon the lithosphere, just like Skandinavia which is still rising back up from the last ice age.

Explanation:

Answer:

The patient is suffering from purpura disease which is a congenital disorder which is also called skin hemorrhages. In this disorder blood vessels near the skin bursts which appears as purple dots of diameter 4-10 mm on the skin.

This disorder may be present from birth and is mainly due to clotting disorder caused by a low number of platelets in the blood. In purpura, purple colored rash appears on any portion of the body which can be clearly seen.

Purpura can also be caused by taking wrong drugs that allow platelet destruction by immune cells or by some infections like hepatitis C, HIV, rubella. Therefore the correct answer is patient is suffering from purpura disease.

this awnser is c)genetic engineerig