DUE SOON PLS HELP
Which organism has a distinct central nervous system?
1. starfish
2. jellyfish
3. crayfish
4. clam

Neuroplasticity, also known as brain plasticity, is the brain's ability to change and adapt throughout a person's life. It is the brain's capacity to modify its structure and function to respond to internal and external changes. Neuroplasticity can be induced by several factors including learning, experience, injury, and disease.

The concept of neuroplasticity proposes that the brain has the ability to change its structure and function in response to the demands placed on it, which is a relatively new concept in neuroscience. Until recently, it was believed that the adult brain was relatively fixed in its structure and function. However, advances in neuroscience have shown that the brain is capable of changing its structure and function in response to various stimuli. The idea of neuroplasticity has led to the development of new interventions for enhancing brain function, such as cognitive training, brain stimulation, and pharmacological agents. These interventions aim to harness the brain's capacity to change in order to enhance learning, recovery from injury, and treatment of neurological and psychiatric disorders. Understanding neuroplasticity is important for the development of new interventions to enhance brain function and treat brain disorders.

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DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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Answer:

The answer would be B. Mangrove Swamps

Explanation:

Brackish water is when freshwater meets with sewer water or salty water.  

Brackish water can be found in the mangrove swamps ecosystem.

They are marked by halophytic trees, shrubs and different flora thriving in saline to saline tidal waters.

Mangrove forests, also named mangrove swamps, mangrove shrubs or trees, are formative wetlands that appear inshore intertidal zones. Mangrove forests grow mainly in equatorial and subtropical spaces because mangrove trees cannot resist freezing .

It is distinguished by such qualities as a damp climate, saline habitat, waterlogged soil or sludgy soil.

Thus, Brackish water can be found in the mangrove swamps ecosystem.

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The evolution of color patterns in poeciliids can be influenced by a variety of processes, including:

Poeciliids are a family of freshwater fish that are commonly known as livebearers because they give birth to live young instead of laying eggs. Poeciliids are found primarily in the Americas, ranging from the southern United States down to Argentina, and they are especially diverse in Central America and the Caribbean.

Poeciliids are small fish, typically reaching only a few inches in length, and they come in a wide range of colors and patterns. Some of the most well-known poeciliids include guppies, mollies, swordtails, and platies, which are popular aquarium fish due to their colorful appearance and ease of care.

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Answer: 303.4cm

Explanation:

Answer:

303.4cm

explanation:

The chemical element mercury has the atomic number 80 and the symbol Hg.

Thus,  The only other metallic element that is known to be liquid at standard temperature and pressure is the halogen bromine, though metals like caesium, gallium, and rubidium melt just above room temperature. Mercury is a heavy, silvery d-block element.

The main form of mercury found in deposits around the world is cinnabar (mercuric sulfide). Grinding either synthetic mercuric sulfide or natural cinnabar yields the red color vermilion.

Mercury is a common component of many devices, including thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps, and others.

Thus, The chemical element mercury has the atomic number 80 and the symbol Hg.

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A slightly elevated temperature in our bodies can be beneficial when we got sick because this is how our bodies try to get rid of the pathogens or antigens that generate the infection. By doing this, microorganisms like bacteria face high temperatures in which they do not develop well their necessary metabolic processes to keep using our tissues to replicate themselves.

It gets inherited from parents to the offspring. It's genetically transmitted neurobiological condition.

It develops at preteen age generally between the age of 11-13

The male population get affected by it more than it's counterparts. People with suffered parents and a bad environment to grow in are more likely to get suffer from this disorder

A person suffering from ADHD is likely to have more anxiety and depression thsn than the person who's the exact same age group. These people have difficulties learning things , sorting them out etc.

These people don't stick around for long around things or people ,they struggle with timelines and remembering things

A healthy environment,diet and a physiologist can help a person to overcome this disorder

Currently there is no treatment in sight apart from therapies, meditation and yoga which calms one's conscience

Most time ,People suffering from ADHD, prefer to stay alone or being left out as their anxiety increases around people & go out for walks,in the nature or practice their favourite things

We can show some empathy to them , respect their personal space and their opinions and also try to label our feelings and thoughts shared with them

The correct answer is B) submucosa. The submucosa layer of the digestive tube contains abundant elastin, blood vessels, lymphoid nodules, and deep glands.

The digestive tract and the respiratory system are two examples of bodily parts that have the submucosa, a layer of tissue. It is made up of connective tissue, blood, lymphatic, and nerve vessels, and it rests underneath the mucosa, or inner lining. The submucosa is crucial in sustaining the mucosa and maintaining its shape and functionality. It has blood arteries that carry oxygen and nutrients to the tissues, as well as glands that produce mucus and other chemicals into the mucosa above. The submucosa of the digestive system plays a crucial role in controlling food flow and assisting with nutritional absorption. It has ganglia and nerve fibres that make up the enteric nervous system.

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The major components of the subcortical structures in the brain include the thalamus, hypothalamus, basal ganglia, limbic system (including the hippocampus and amygdala), and the brainstem.

The subcortical structures are a group of neural components that are located beneath the cerebral cortex, which is the outermost layer of the brain. There are several subcortical structures, each of which performs a specific function. Some of the primary subcortical structures include the thalamus, hypothalamus, basal ganglia, and brainstem. Let's look at each of these components in more detail.

Thalamus: The thalamus serves as a relay center for sensory information. It receives sensory information from the peripheral nervous system and then sends this information to the appropriate region of the cortex.

Hypothalamus: The hypothalamus is involved in the regulation of a variety of bodily functions, including hunger, thirst, and body temperature. It also plays a role in the regulation of the endocrine system and the autonomic nervous system.

Basal ganglia: The basal ganglia are involved in the regulation of voluntary motor movements and play a role in the formation of habits and routines. They are also involved in cognitive functions such as attention, planning, and decision-making.

Brainstem: The brainstem is responsible for a variety of vital functions such as breathing, heart rate, and blood pressure. It also plays a role in the regulation of sleep and arousal.

In conclusion, the subcortical structures play a crucial role in the proper functioning of the brain and body. By regulating various bodily functions and processing sensory information, they allow us to navigate the world around us and interact with our environment.

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The term leukemia means white blood. White blood cells (leukocytes) are used by the body to fight infections and other foreign substances. Leukocytes are made in the bone marrow. Leukemia leads to an uncontrolled increase in the number of white blood cells.

Common causes of leukocytosis include having an infection, but it also can occur if a person has had bone tumors or leukemia.

Septic shock may cause either leukocytosis or leukopenia. Many septic patients exist between these two extremes, with a normal WBC (such patients often develop leukocytosis in a delayed fashion). For example, half of the patients presenting to the hospital with bacteremia may have a normal WBC.

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Kira will be the first to finish the race, based on the question.

A measurement of an object's inertial characteristic, or how much matter it contains, is the entity's mass. The force of gravity acting on something or the force required to support it is quantified by the weight of the thing. An object's downward acceleration due to gravity on earth is roughly 9.8 m/s2.

mass

The kilo is the group of materials unit that is used almost globally as the SI mass unit. Under normal circumstances, 1 kilogram weighs 9.8 Newtons, the related SI unit of strength and weight.

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RNA polymerase (green), an enzyme involved in transcription, creates pre-mRNA by using DNA as a template (pink). Pre-mRNA undergoes processing to create a mature mRNA molecule that can be translated to create the protein molecule.

Polypeptide that the original gene intended. A promoter sequence at the start of a gene is where transcription starts when RNA polymerase binds to it (directly or through helper proteins). A new, complementary RNA molecule is created by RNA polymerase using the template strand of one of the DNA strands as a model.

A procedure known as termination marks the end of transcription. Beginning, continuing, and ending are the three phases of transcription. After transcription, RNA molecules in eukaryotes must undergo synthesis processing, which includes splicing, adding a 5' cap and a poly-A tail to either end, and other steps.

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Correct Question:

What is the process of transcription in protein synthesis?

Insulin facilitates the uptake of glucose into several tissues, including fat, muscle, and Not just the absence of insulin stimulates the breakdown of glycogen.

Glycogen is the name given to this form of glucose that is stored and is composed of several linked glucose molecules. Glycogen is degraded to release into the bloodstream, which is then used as energy for the cells, when the body needs a sudden surge of energy or when body isn't obtaining glucose from food.

Describe glycogen. Glycogen, or stored glucose (sugar), is your body's primary source of energy. The way your body stores individual glucose molecules is by branching them off into larger molecules that can be broken down later.

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Answer:

The correct answer is - predator-prey

Explanation:

The relationship between predator and prey is the interaction between predator and prey. A predator is is an organism that lives on hunting down other organisms for their nutrition and energy while the prey is an organism that is getting killed or hunted down by a predator. The population of prey is controlled by predators.

Here, the jaguar depends for their nutrition and energy on turtle and other organisms, therefore, jaguar hunt the turtles for their food which makes this a predator-prey relationship.

Answer:

D. predator-prey relationship

Explanation:

Answer:

high winds with heavy rain

Explanation:

based on the key their is a hurricane coming to Florida from the east with winds towards Florida in several cities

Based on the weather map, the weather conditions for the Florida area is high winds with heavy rain.

A mechanical process is physical weathering. The temperature changes within a rock typically have a significant impact on this. The outside of a rock warms up more quickly than the inside when it is heated by the sun.

As a result, the rock experiences stress internally and deferential expansion. The interior also cools more slowly than the exterior during cooling.

The rocks eventually shatter and fragment into smaller fragments after numerous chilling and heating cycles. When water freezes and thaws in rock fissures, the same mechanical process is at work. But throughout the process, the rock's chemical makeup stays the same.

Based on the key, a hurricane is headed towards Florida from the east, with gusts reaching many cities in Florida.

Therefore, according to the weather map, Florida is currently experiencing high winds and heavy rain.

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One animal that adapts to hot and cold climates and lives on flatland is the Arctic fox (Vulpes lagopus). This species possesses several adaptations to survive in extreme temperatures are Thick Fur, Camouflage, and Compact Body

Thick Fur: The Arctic fox has a dense double-layered coat consisting of a soft underfur and a longer guard fur. This insulation provides excellent heat retention in cold climates and prevents heat absorption in hot climates. This adaptation helps maintain the fox's body temperature and protects it from extreme weather conditions.

Camouflage: The Arctic fox's fur changes color seasonally, blending with its surroundings. It appears white during winter to blend with the snowy environment and brown or gray during summer to blend with the tundra. This camouflage allows it to remain inconspicuous, making it easier to hunt prey and avoid predators.

Compact Body: The Arctic fox has a small body size and a short muzzle, which helps reduce heat loss and increase heat conservation in cold climates. This compact body structure reduces the surface area-to-volume ratio, minimizing heat dissipation and enabling the fox to retain body heat more efficiently.

These adaptations are essential for the survival of the Arctic fox in extreme climates. Thick fur provides insulation, enabling the fox to withstand frigid temperatures. Camouflage helps it remain hidden from predators and increases its hunting success. The compact body structure minimizes heat loss, allowing the fox to conserve energy and adapt to its harsh environment. Together, these adaptations increase the species' chances of survival and successful reproduction in hot and cold climates on flatland.

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For odorless monomer liquid and polymer powder products, it is recommended to use a non-porous or non-absorbent bead, such as a stainless steel bead or a ceramic bead.

For odorless monomer liquid and polymer powder products, it is recommended to use a non-porous or non-absorbent bead, such as a stainless steel bead or a ceramic bead.

This  is because these types of beads do not absorb the monomer liquid, which can lead to contamination and a shortened lifespan of the bead.

Additionally , it is important to choose a bead that is compatible with the size of the brush being used to apply the product, as this can affect the application process and the final result.

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Bacteraemia is the presence of bacteria in the blood, while septicemia is a severe bloodstream infection caused by bacteria. Septicaemia can also refer to blood-containing poisons, fungi, or viruses.

Bacteraemia refers to the presence of bacteria in the blood, while septicemia is a severe bloodstream infection caused by bacteria. Septicaemia can also refer to blood-containing poisons, fungi, or viruses. Taking antibiotics during pregnancy should be discussed with a healthcare professional to determine safety. Lincomycin is effective against certain bacterial infections but has drawbacks, including potential side effects and antibiotic resistance.

Not all oral medications avoid penicillin hypersensitivity. Intravenous alternatives, such as macrolides or fluoroquinolones, are available for individuals with penicillin hypersensitivity, depending on the specific infection and individual circumstances.

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Answer:

A support and protect the cell

Answer: genes are linked

Explanation: Gene on a chromosome lies close to another gene controlling a different trait. This indicates that genes are linked, meaning they are physically close to each other on the same chromosome. The proximity of these genes suggests that they are more likely to be inherited together as a unit, rather than independently assorting during the process of genetic recombination.

Answer:

I believe your answer is D. Organizational chart.

Hope this helps!

Answer:

its d

Explanation:

yw

The statement that is not true about groundwater is that it is the only source of freshwater, which is option C. Details about groundwater can be found below.

Groundwater is the water that exists beneath the earth's surface in underground streams and aquifers.

Groundwater can prove very useful in the following ways:

However, the statement that it is the only source of freshwater is not true.

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Answer: b. Carbon

Explanation:

Answer:

b. carbon

Explanation:

Carbon in our atmosphere, especially carbon dioxide, contributes greatly to global warming.

Homologous chromosomes possess the same genes arranged in the same order but may possess different alleles of some of these genes

Alleles are various variations of a single gene. The genes on identical chromosomes are the same and are ordered in the same order, however some of these genes may have distinct alleles.

Alleles are generally recognised by their various impacts on the phenotypic of the organism. For instance, the eye colour gene may have an allele that causes blue eyes and another that causes brown eyes.

Different alleles of the same gene might be found on homologous chromosomes, which would result in various phenotypes in the organism.

Each chromosome has a unique set of alleles because homologous chromosomes can exchange genetic material throughout the meiotic process. Recombination is what causes this, and it broadens the genetic diversity of the progeny.

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The picture depicts about the tonicity of any solution which is of three types: Hypertonic, Isotonic and Hypotonic. In hypertonic and hypotonic solution, there occurs a net movement of water but in Isotonic solution there is no net movement of the water because the concentration of solutes in both the solution and the RBC is the same.

Hypertonic solution is the one in which the concentration of solutes is more in the solution. This is the reason why the water movement occurs outside of the cell. This causes the shrinkage of the cells.

Hypotonic solution is the one in which the concentration of solutes is more inside the cell. Thus, the movement of water occurs inside of the cell. As a result, the cells swell up and may also burst.

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When a fractured bone heals, it leaves a thickened region known as a callus.

Bone is the part of the skeletal system of the body. It is a thick mass of tissue that is hard on the outside but soft on the inside. The main function of the bones is to provide a structural framework and correct posture to the body.

Callus is the mass of soft tissues that is formed after the healing of the fracture. It is initially soft but becomes hard along with the time. The callus is the one responsible for keeping the broken bones together. The phase of healing where this callus formation takes place is called reparative phase.

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Answer:

Carbon dioxide

Explanation:

The alveoli picks up the oxygen you breathe in and releases the outgoing waste product carbon dioxide

Answer:

C.

Explanation:

i took the test