When a person is anxious or fearful, the autonomic nervous system shunts blood away from peripheral veins to the core of the body.
Select the one best answer

True

False

Neurons communicate with each other through the use of chemical messengers called neurotransmitters.

What are neurons and what do they do?

The basic building blocks of the brain and nervous system are neurons (also known as neurones or nerve cells). Neurons are the cells that receive sensory information from the outside world, give motor commands to our muscles, and transform and relay electrical signals at each stage along the way.

Your body cannot function without chemical messengers called neurotransmitters. They are responsible for transporting chemical "messages" from one neuron (nerve cell) to the subsequent target cell. The following target cell may be a gland, muscle, or another nerve cell.

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Answer:

i think nitrogen fixing

Explanation:

THATS ALL I KNOW

The use of Ruxolitinib to successfully treat chronic mucocutaneous candidiasis caused by gain-of-function signal transducer and activator of transcription 1 (STAT1) mutation has been studied and the results are published in J Allergy Clin Immunol in 2015.

Ruxolitinib is an FDA-approved JAK inhibitor that is used for the treatment of myeloproliferative neoplasms. However, it is also known to have immunosuppressive effects, and its use has been shown to help in the treatment of chronic mucocutaneous candidiasis. Chronic mucocutaneous candidiasis is a rare primary immunodeficiency disease characterized by persistent and recurrent Candida infections of the skin, nails, and mucous membranes. It is caused by genetic defects in the immune system that affect the ability of the body to fight infections. Gain-of-function mutations in the signal transducer and activator of transcription 1 (STAT1) gene have been identified as one of the genetic causes of chronic mucocutaneous candidiasis.

These mutations lead to overactivation of the STAT1 pathway, which causes excessive inflammation and inhibits the body's ability to fight infections. In the study, two patients with chronic mucocutaneous candidiasis caused by STAT1 mutations were treated with Ruxolitinib. The treatment resulted in a significant improvement in their symptoms, including the clearance of Candida infections from the skin and mucous membranes. The study provides evidence that Ruxolitinib may be a promising therapeutic option for the treatment of chronic mucocutaneous candidiasis caused by gain-of-function STAT1 mutations.

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Incoterms are a set of standardized international trade rules that define the responsibilities and obligations of buyers and sellers in terms of delivery, risk transfer, and costs. Understanding these 11 Incoterms is crucial for ensuring smooth and transparent global trade transactions.

1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs. Example: "EXW Factory A" - Buyer arranges pickup from Factory A.

2. FCA (Free Carrier): The seller delivers the goods, cleared for export, to a carrier nominated by the buyer. Example: "FCA Port B" - Seller hands goods to the carrier at Port B.

3. FAS (Free Alongside Ship): The seller delivers the goods alongside a vessel nominated by the buyer at a specific port. Example: "FAS Port C" - Goods placed next to the ship at Port C.

4. FOB (Free on Board): The seller delivers the goods on board a vessel nominated by the buyer at a specified port. Example: "FOB Port D" - Seller ensures goods are on the vessel at Port D.

5. CFR (Cost and Freight): The seller covers the cost of goods and freight to the destination port. Example: "CFR Port E" - Seller pays for freight to Port E.

6. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against loss or damage during transportation. Example: "CIF Port F" - Seller covers insurance in addition to freight to Port F.

7. CPT (Carriage Paid To): The seller delivers goods to a carrier and pays for transportation to the named destination. Example: "CPT Warehouse G" - Seller covers transport to Warehouse G.

8. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against loss or damage during transportation. Example: "CIP Warehouse H" - Seller covers insurance and transport to Warehouse H.

9. DAP (Delivered at Place): The seller delivers goods to the buyer at a named place, without unloading. Example: "DAP Buyer's Facility" - Seller is responsible for delivery to the buyer's facility.

10. DPU (Delivered at Place Unloaded): The seller delivers goods to the named destination, including unloading. Example: "DPU Warehouse I" - Seller handles delivery and unloading at Warehouse I.

11. DDP (Delivered Duty Paid): The seller delivers goods to the buyer, cleared for import, and pays all applicable duties and taxes. Example: "DDP Customer's Doorstep" - Seller handles delivery and customs duties to the customer's location.

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The Incoterms rules define the obligations and responsibilities of buyers and sellers in international trade. Understanding these rules is crucial for determining who is responsible for various aspects of the transaction, such as transportation, insurance, and costs. Each Incoterm rule has its own specific usage and implications, and it's important to select the appropriate one based on the nature of the transaction and the parties' agreements.

The Incoterms (International Commercial Terms) are a set of standardized rules established by the International Chamber of Commerce (ICC) to govern international trade. They define the responsibilities of buyers and sellers in terms of the delivery of goods, the transfer of risk, and the allocation of costs.

There are 11 Incoterms rules, each with its specific usage and set of responsibilities. Here is a brief explanation of each rule, along with examples:

1. EXW (Ex Works): The seller makes the goods available at their premises, and the buyer is responsible for all transportation and costs from the seller's location to the final destination.

Example: The seller delivers the goods to their warehouse, and the buyer arranges transportation from there.

2. FCA (Free Carrier): The seller delivers the goods to a carrier chosen by the buyer, and the risk transfers to the buyer once the goods are handed over to the carrier.

Example: The seller delivers the goods to the buyer's designated carrier at a specified location.

3. CPT (Carriage Paid To): The seller pays for transportation to the agreed-upon destination, and the risk transfers to the buyer upon delivery to the carrier.

Example: The seller pays for transportation to the buyer's location, and the goods are insured until they reach the buyer.

4. CIP (Carriage and Insurance Paid To): Similar to CPT, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.

Example: The seller pays for transportation and insurance to the buyer's location.

5. DAT (Delivered at Terminal): The seller delivers the goods, unloaded, at a designated terminal at the agreed-upon destination.

Example: The seller unloads the goods at the buyer's specified terminal at the port.

6. DAP (Delivered at Place): The seller is responsible for delivering the goods to the buyer at an agreed-upon place, but not unloaded.

Example: The seller delivers the goods to the buyer's warehouse, but the buyer is responsible for unloading.

7. DDP (Delivered Duty Paid): The seller is responsible for delivering the goods to the buyer, including all costs and risks, up to the destination.

Example: The seller delivers the goods to the buyer's location, including customs duties and taxes.

8. FAS (Free Alongside Ship): The seller is responsible for delivering the goods alongside the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.

Example: The seller delivers the goods to the port, and the buyer arranges for loading onto the ship.

9. FOB (Free on Board): The seller is responsible for delivering the goods onto the vessel at the agreed-upon port, and the buyer assumes all risks and costs from that point onwards.

Example: The seller loads the goods onto the ship, and the buyer arranges for transportation and insurance.

10. CFR (Cost and Freight): The seller is responsible for the cost and freight of delivering the goods to the agreed-upon port, and the risk transfers to the buyer once the goods are onboard the vessel.

Example: The seller pays for transportation to the port, and the buyer arranges for unloading and any further transportation.

11. CIF (Cost, Insurance, and Freight): Similar to CFR, but the seller also provides insurance against the buyer's risk of loss or damage during transportation.

Example: The seller pays for transportation and insurance to the port, and the buyer arranges for unloading and any further transportation.

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The actions that could be categorized in the “aerobic” section of the Venn diagram are the ones that consist of three stages (option a), which start the process with a glucose molecule (option e) and yield 36 ATP molecules (option b).


The Venn diagram represents the two main types of cellular respiration: aerobic and anaerobic.

Aerobic respiration requires oxygen and consists of three stages: glycolysis, the Krebs cycle, and the electron transport chain. It starts the process with a glucose molecule and yields 36 ATP molecules.

In contrast, anaerobic respiration does not require oxygen and produces lactic acid. None of the actions listed can be categorized in the “aerobic” section since they do not require oxygen and/or produce lactic acid.

Understanding the differences between aerobic and anaerobic respiration is important in understanding the energy production of cells and the role of oxygen in this process.

Thus, the correct choice is (a), (b) and (e).

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The chi-square value for the observed genotype frequencies for a population of 100 lizards is approximately 161.63.

To find the chi-square value for the observed values of the genotypes (AA = 75, Aa = 15, aa = 10) in a population of 100 lizards, we need to compare them with the expected values under a specific hypothesis.

First, we need to determine the expected genotype frequencies based on a specific hypothesis or assumption. Let's assume that the population is in Hardy-Weinberg equilibrium, which assumes random mating and no evolutionary forces at play. In that case, the expected genotype frequencies can be calculated based on the allele frequencies.

Let's assume that the allele frequencies are p and q, where p represents the frequency of the dominant allele (A) and q represents the frequency of the recessive allele (a). In a population in Hardy-Weinberg equilibrium, the expected genotype frequencies can be calculated as follows:

AA = p² * total population

Aa = 2pq * total population

aa = q² * total population

Since we don't have the allele frequencies, we cannot calculate the exact expected values. However, let's assume that the allele frequencies are p = 0.6 and q = 0.4.

Expected genotype frequencies:

AA = (0.6)² * 100 = 36

Aa = 2 * 0.6 * 0.4 * 100 = 48

aa = (0.4)² * 100 = 16

Now, we can calculate the chi-square value using the formula:

chi-square = Σ ((observed - expected)² / expected)

chi-square = ((75 - 36)² / 36) + ((15 - 48)² / 48) + ((10 - 16)² / 16)

chi-square = (39² / 36) + (33² / 48) + (6² / 16)

chi-square = 136.5 + 22.88 + 2.25

chi-square = 161.63

Therefore, the chi-square value for the observed genotype frequencies is approximately 161.63.

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Tippy tap technology is a simple hand-washing device constructed from readily available materials such as used water bottles. The correct option is a. Lack of running water.

It is a low-cost technology that uses locally available materials to make handwashing possible in areas where there is no running water, making it an ideal solution to address the global water rights issue of lack of running water.Tippy tap technology can also contribute to the reduction of waterborne diseases. With access to clean water, individuals are less likely to fall sick. This technology helps to reduce the transmission of infectious diseases by providing a convenient and affordable way for people to wash their hands.The tippy tap technology, in conjunction with other innovations and policies, can help alleviate global water rights issues such as physical water scarcity and economic water scarcity. However, tippy tap technology alone is not sufficient in addressing all of the water rights issues that exist today.

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Answer:

B. Increase

Explanation:

Since lions rely on zebras as a food source, if there are more zebras (more food sources for the lions), there will also be more lions. Therefore, the lion population would increase initally.

The nurse should intervene by compare current data to baseline data. Option D is correct.

The nurse should monitor the client receiving a blood transfusion for potential transfusion complications. Circulatory overload is one of the complications. Cough, dyspnea, chest pain, wheezing on auscultation of a lungs, headache, hypertension, tachycardia as well as a bounding pulse, and distended neck veins are all signs and symptoms of circulatory overload. The nurse could perhaps compare current data to baseline data based on the data in the question.

The nurse should also look for other symptoms and indications of circulatory overload in the client. If indeed the nurse still suspects one such complication after comparing baseline data, she should position the client upright with the feet in a dependent position & slow the rate of the infusion. If the nurse suspects a transfusion reaction, such as a hemolytic reaction, a urine sample should be collected. Option D is correct.

The complete question is

The nurse is caring for a client who is receiving a blood transfusion and is complaining of a cough. The nurse checks the client's vital signs, which include a temperature of 97.2º F (36.2º C), pulse of 108 beats per minute, blood pressure of 152/76 mm Hg, respiratory rate of 24 breaths per minute, and an oxygen saturation level of 95% on room air. The client denies pain at this time. Based on this information, what initial action should the nurse take?

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According to the article on sediba, it is believed that sediba probably evolved from the Australopithecus africanus species.

Sediba most likely refers to the South African hominid species Australopithecus sediba. Although it is thought to share some anatomical traits with the species Homo, the specifics of its evolutionary history and antecedents are still being researched and debated by scientists.

The species, which was initially reported in 2010, is regarded as a crucial transitional species in the evolution of humans. There is disagreement over Australopithecus sediba's position in the hominid evolutionary tree as a result of its combination of primitive and more developed traits.

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Answer:

Explanation:

Mount Kilimanjaro lies just 205 miles from the equator, in the country of Tanzania. ... as they thought it was impossible for ice to form so close to the hot, equatorial sun. ... Mawenzi is a craggy peak that ranks as the third highest peak in Africa, after Kibo ... However, Kibo is considered a dormant volcano; it can erupt again!

Answer:

The individual is a male. Explanation: In mammals, sex is determined by a pair of sexual chromosomes.

Answer:

It states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form, pv = k, a constant.

Explanation:

Answer:Carbohydrates provide energy to the body, particularly through glucose, a simple sugar ... Lipids are also the building blocks of many hormones and are an important constituent of the plasma membrane ... Amino acids are the monomers that make up proteins. Nucleic acids are key macromolecules in the continuity of life.

Hope this helps!!! Brainlist plz?

Answer:

Las respuestas se dan a continuación.

Explicación:

1) Una búsqueda de helado y un vaso con jugo es un sistema abierto, un perro es un sistema aislado mientras que una bolsa de 1 kg de arroz sin abrir, un termómetro y una lata de guisantes es un sistema cerrado.

2) la limonada con hielo, el agua carbonatada, el agua en acetona y el café con leche son sistemas homogéneos mientras que el agua y el aceite, la tierra, la arena y las piedras son sistemas heterogéneos.

3) El recipiente de la imagen tiene agua coloreada y está tapado.

B. el sistema está cerrado.

C. El sistema es homogéneo.

D. Si enfriamos el recipiente a hielo, la masa del sistema no cambiará.

4- Se estudia la vida de los peces en una pecera que se encuentra sobre una mesa en el laboratorio.

a. El sistema es abierto y el medio ambiente es acuático.

B. Es un sistema heterogéneo.

Answer:

Hi there, your answer to this is: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.

Explanation:

There are 9 essential amino acids that we need in our bodies which are:  histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine which can be found in foods that we normally eat.

Hope this helped :)

Answer:

C, It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.

Explanation:

Edge 2021

Answer:

The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. The relationship between heat and temperature change is usually expressed in the form shown below where c is the specific heat.

Explanation:

mark me as brainliest thank you

Answer:

Homeostasis

Explanation:

I remembered it from 7th grade i think

Building blocks of nucleic acids, energy storage, transporters of activated metabolites for biosynthesis, structural moieties of coenzymes, and metabolic regulators are all roles that nucleotides play in the physiology of animals.

A nucleotide is made up of three covalently bonded units. As follows:

N-nitroso bases - Pyrimidine and purine

Ribose and Deoxyribose in Pentose Sugar

Monophosphate, diphosphate, and triphosphate of phosphorus

Nucleotide function:

Biological importance of nucleotide function:

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Creating an environment conducive to tissue formation requires a combination of factors such as proper nutrition, hydration, oxygenation, and protection from infection. It is essential to consume a balanced diet that includes adequate protein, vitamins, and minerals to support tissue growth and repair.

Hydration is also critical as it helps transport nutrients to the tissues and aids in the removal of waste products. Oxygenation is another vital factor, and maintaining proper breathing and blood flow can help deliver oxygen to the tissues, which is necessary for their survival and function. Additionally, it is crucial to protect the tissues from infection by practicing good hygiene and avoiding exposure to harmful pathogens. In summary, creating an environment conducive to tissue formation involves maintaining a healthy and balanced lifestyle that supports proper nutrition, hydration, oxygenation, and infection prevention.

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Answer:

growing a crop digging a treanch

Answer:

Less concentrated as, by osmosis, the water moves up the concentration gradient into area of most concentration.

The organism that does not have a nucleus is Prokaryotes.

The most likely scenario for the evolution of these enzymes is gene duplication and divergence.

The common ancestor of species A, B, and C possessed a single gene encoding an enzyme that breaks down a wide variety of fatty acids, which can be considered a generalist enzyme. Over time, a gene duplication event likely occurred, resulting in two copies of the original gene in the ancestral genome.

In species A, one of the duplicated genes underwent functional divergence through gene specialization. This means that mutations and natural selection favored changes in the gene sequence, leading to the evolution of a new enzyme that is particularly efficient at breaking down a specific fatty acid. This specialized enzyme may have provided a selective advantage to species A in utilizing or adapting to a specific ecological niche.

On the other hand, in species B, the duplicated gene also underwent genetic changes but experienced a premature stop codon that disrupted the open reading frame. This disruption prevented the correct translation of the gene into a functional enzyme, resulting in the loss of the specialized enzyme's activity in species B. This scenario could be attributed to genetic mutations that occurred after the gene duplication event.

Meanwhile, species C, being more distantly related, did not inherit the duplicated gene or the specialized enzyme, and therefore lacks the functionality of the specialist enzyme.

Overall, the evolution of these enzymes in species A and the loss of function in species B can be attributed to the process of gene duplication and subsequent divergence through genetic mutations and natural selection.

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Answer:

it needs carbon dioxide and water to make oxygen and glucose

Explanation:

Answer:

oxygen

Explanation:

oxygen is the product, not the rectant. by the way, listen to my new song Deirious, by Renaudst. me.

Answer:

Guy on top is correct. It is 100%

Explanation:

As predicted by the Punnett square, 100% of the offspring have black fur for this cross.

When two individuals with the genotype BB (homozygous dominant for black fur color) are crossed, their Punnett square will look like:

 | B  | B  

--|----|----

B | BB | BB

--|----|----

B | BB | BB

All the offspring will have the genotype BB, which means they will be homozygous dominant for black fur color. Therefore, all the offspring will have black fur.

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If you were studying the functions of skeletal muscle, you would be studying all of the following except: production of blood cells, option B.

One of the three important muscle tissues in the human body is found in the skeleton. Thousands of muscle fibres are encased in connective tissue sheaths to form each skeletal muscle. Fasciculi are the individual bundles of muscular fibres that make up skeletal muscles. The epimysium is the outermost connective tissue sheath that encircles the whole muscle. Perimysium is the name for the connective tissue sheath that surrounds each fasciculus, while endomysium is the name for the innermost sheath that encloses each muscle fibre. Each muscle fibre is made up of many myofibrils with various myofilaments.

Sarcomeres, which are the basic contractile unit of a skeletal muscle, are formed when all the myofibrils are gathered together and organised in a distinctive striated pattern. Actin and myosin are the two main myofilaments.

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This statement is true that An individual ribosome can be seen with a fluorescence microscope.

'What is fluorescence microscope?'

The imaging of specific features of tiny objects, such as microorganisms, is frequently done using fluorescent microscopy. At smaller scales, it is also utilized to visually improve 3-D features. This can be achieved by adding fluorescent tags to antibodies that bind to the desired features or by less precise labeling. The targeted areas of a given sample can be seen in this sort of microscopy by filtering out the background fluorescence and reflected light. This enables a researcher to see specific organelles or distinctive surface features of a sample of interest. The most frequent application of confocal fluorescence microscopy is to highlight the 3-D nature of samples.

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The sentence best illustrates Noah's conflict "My mother insisted that I write a B & B letter to my grandparents."

This sentence best illustrates Noah's conflict as it shows that he is in disagreement with his mother's expectation for him to write a letter to his grandparents, possibly indicating that he does not want to do it or is frustrated with the task.

E. L. Konigsburg's elementary school book The View from Saturday tells the tale of Mrs. Olinksi's academic bowl team. The sixth-graders don't seem like the kind of kids who would be friends, but as the novel progresses, we gradually understand how these students come to be friends and work as a team. The narrative is distinctive in that it alternates between the perspectives of each pupil and Mrs. Olinksi, giving the tale a dynamic quality.

The complete question is:-

Use “The View from Saturday” to answer questions 1-5. Which sentence from the excerpt best illustrates Noah’s conflict? “Is Joey writing a B & B to Grandma and Grandpa Eberle?” She explained—not too patiently—that a B & B letter is a bread and butter letter you write to people to thank them for having you as their houseguest. My brother Joey had been sent to my other set of grandparents, who live in a normal suburb in Connecticut. My mother insisted that I write a B & B letter to my grandparents.

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