when fenesha broke her ankle, the doctor gave her a drug that eased her pain by binding with endorphin receptors. the drug that she took is an endorphin: a. agonist b. antagonist c. reuptake inhibitor d. stimulant

Answer:

Predators have profound effects throughout their ecosystems. Dispersing rich nutrients and seeds from foragingthey influence the structure of ecosystems. And by controlling the distribution abundance and diversity of their prey they regulate lower species in the food chain an effect known as trophic cascades.

Explanation:

The following traits are examples of simple inherited traits: They are monogenic, or caused by just one particular gene. They could be binary or discontinuous.

Characteristics like honesty, loyalty, kindness, and impatience are examples of character traits. These are just a few of the many character traits that might help you better understand yourself or the people around you.

The most common system of attributes is the Five-Factor Theory. The acronym OCEAN, which stands for Openness, Conscientiousness, Extraversion, Agreeableness, & Neuroticism, can be used to remember these five basic characteristics.

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Inhibition was applied to the photosensitive ganglion cells. the hypothalamus's suprachiasmatic nucleus.

Forbid, interdict, & prohibit are a few typical synonyms for obstruct. Inhibit indicates limits or restrictions that are equivalent to prohibitions, not just by power but also by demands of the moment or situation. Each of these phrases mean "to prevent it from doing something or to command that something not be done."

To stifle, obstruct, imprison, and restrict (an action, impulse, etc.). to forbid or prohibit. psychology. to inhibit or suppress, whether knowingly or subconsciously (psychologically or sociologically unacceptable behavior). To stop or slow down the process of in chemistry (a chemical reaction).

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Enzymes utilise b) cofactors for function.

Enzymes are proteins with the ability to catalyse the different reactions. The proteins may or may not require non protein parts. The protein part in enzymes requiring non protein part is called apoenzyme.

The apoenzyme binds with cofactor. The latter is further divided into prosthetic groups and coenzyme. Prosthetic groups are small inorganic molecules while coenzymes are organic molecules that bind to the apoenzyme. Prosthetic groups hind tightly but coenzymes bind loosely.

The complete enzyme with each part is called holoenzyme. Active sites are the grooves in enzymes where substrate binds and the chemical reaction takes place thus forming the product.

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If the enzyme changes, the active site could no liaised to the right substrate, resulting in a slower rate of reaction. Temperature and pH fluctuations will ultimately cause enzyme to denature.

Enzymes aid in the facilitation of biological processes in our body. Everything from respiration to digestion is aided by them. Too little too much of a particular enzyme might cause health concerns. Some persons with chronic diseases may require enzyme multivitamin supplements their bodies function properly.

Enzymes aid in the acceleration of chemical processes within the body. They are required for breathing, digestion, muscle contraction, and hundreds of other functions. Thousands of enzymes are found in each cell of the human body. Enzymes aid in the facilitation of chemical processes within each cell.

The function of enzymes is to carry out critical tasks. These involve muscle growth, removing toxins, and tearing down the molecules in food throughout digestion.

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The provided example is of primary succession. When a fresh area of land is developed or exposed for the first time, this is referred to as primary succession.

primary succession is the first stage of ecological succession following a severe disturbance, which often occurs in an environment devoid of plants and other species. These environments are typically devoid of soil, as disturbances such as lava flow or retreating glaciers deplete the environment of nutrients.

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The antidote helped Jared's cells make ATP again as the antidote changes cyanide into thiocyanate which his body can remove in his urine.

As it travels through the nephrons and down the renal tubules of the kidney, urea, along with water and other waste products, creates the urine. both ureters. From the kidneys to the bladder, urine travels through these tiny tubes.

With the aid of the hepatic enzyme rhodanese, cyanide can be converted into thiocyanate in tiny dosages. Urine then excretes thiocyanate. A tiny amount of cyanide can also be changed into carbon dioxide, which the body exhales to escape the body. However, before adding cyanide, boiling the alkaline cystine solutions improves their ability to produce thiocyanate. Evidently, the potassium cyanide is converted to thiocyanate by the oxidation of the sulfur released during the alkaline breakdown of cystine (labile S).

Thus from above conclusion we can say that the antidote helped Jared's cells make ATP again as the antidote changes cyanide into thiocyanate which his body can remove in his urine.

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The Binding Energy per Nucleon is 8.33 MeV with the given information. Electron= 26.981541 amu, Proton = 1.007825 amu, Neutron = 1.008665 amu

The Binding Energy per Nucleon is determined by dividing the total Binding Energy of the nucleus by the total number of nucleons. Mathematically,

Binding energy per Nucleon= Binding Energy/ Total number of nucleons

E=mc²

Step 1: Calculate mass defect (Δm)

The following information is provided in the question:

Mass of proton = mp  = 1.007825 amu

Number of protons in Al-27 = 13

So, the mass of total protons = mp = 13.101725 amu

Mass of neutron = mn = 1.008665 amu

Number of neutrons in Al-27 = 14

So, the mass of total neutrons = mn= 14.121310 amu

Atomic mass of Al-27 = A = 26.981541 amu

Thus, the mass defect can be calculated as,

The mass defect (Δm) is defined as the difference between the combined mass of nucleons and the atomic mass of the given element, i.e.

Δm=mp+mn−A

Δm= 0.241492 amu

Total binding energy (E) = 931.5 MeV/amu

binding energy, E= 0.241494 amu* 931.5 MeV/amu

=224.95 MeV

Step 3: Calculate Binding Energy per Nucleon

We have the following values:

Total binding energy, E = 224.95 MeV

Total number of nucleons in Al-27 = (no. of n + no. of p) = 27

Thus,

Binding Energy per Nucleon= Binding Energy/Total number of nucleons

=224.95 MeV/27

= 8.33 MeV

The complete question is:

Calculate the binding energy per nucleon of an Al-27 nucleus given the following masses:

Electron= 26.981541 amu

Proton = 1.007825 amu

Neutron = 1.008665 amu

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Over time, the movement of people on earth has steadily increased. this has altered the course of human evolution by increasing gene flow. Thus the correct answer is option (e).

Evolution is the term used to describe how a species gradually changes over time to fit in with nature.

The term "gene flow" refers to the movement or exchange of genetic material from one continent to another. The flow of genes caused by gene exchange has changed the native genes and created a new character.

Specifications of gene flow.

New genetic variations are disseminated throughout many populations.

It alters both populations' allelic frequencies and may be the driving force behind evolution.

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Harrison is frequently nervous, tense, and worried, both at work and at home, thereby he likely scores low on which of the emotional stability personality dimension.

The expression personality dimensions makes reference to major human features that shape the personality and behavior of an individual in society.

These dimensions include:

Therefore, with this data, we can see that the personality dimensions are five and they are able to shape the major personality traits in the individuals that live in a particular society.

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13.27g mass of simple sugar glucose is produced by the reaction of 7.96 g of water.

since the chemical equation for  photosynthesis is:

6CO₂+6H₂O→C₆H₁₂O₆+6O₂

from the equation, there are 6 moles of carbon dioxide which reacts with 6 moles of water to form  6 moles of oxygen and 1 mole of glucose sugar. Since we know the molar mass of water is 18.01 g/mol.For 7.96g  of  moles of water will be :

nH₂O = 7.96/18.01g⋅mol−1

          =0.442mol

From the reaction we get to there is the production of 1 mole of glucose from 6 moles of water, by the reaction of 0.442 moles of water, the number of moles of sugar formed is  :

nC₆H₁₂O₆= (1molC₆H₁₂O/6molH₂O )X0.442molH₂O

     =  0.074mol

Since the molar mass of  glucose is 180.16 g/mol, so the mass of the simple sugar is

mC₆H₁₂O₆ = nC₆H₁₂O₆×MM

                   =0.074mol×180.16g⋅mol−1

                    =13.27g

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green plants use light from the sun to drive photosynthesis. photosynthesis is a chemical reaction in which water and carbon dioxide chemically react to form the simple sugar glucose and oxygen gas .what mass of simple sugar glucose is produced by the reaction of carbon dioxide of 7.96 g of water

Q)What are the disadvantages of using alcohol as a thermometric liquid?

a)There are following cons of using alcohol as a thermometric liquid: Alcohol is a colourless liquid and hence, it requires colouring. It sticks to the walls of the glass tube which results in low accuracy. It has a low boiling point and it evaporates at a higher temperature

Q)What are the advantages as the thermometric liquid?

a)Advantages of mercury as a thermometric liquid. -It is a good conductor of heat and therefore the whole liquid reaches the temperature of the surroundings quickly. -It does not wet (cling to the sides of) the tube. -It expands uniformly (linear expansion) and responds quickly to temperature changes, hence is sensitive.

Due to convergent evolution placental mammals (Wolf) are closely related to marsupial wolves (Tasmanian wolf). No, the tree is wrong.

What is convergent evolution?

It is the presence of similar features in animals of different lineages. The structures in these animals have similar functions but are absent in the common ancestors hence they are analogous structures not homologous.

Such convergence of functional, morphological, and structural traits from phylogenetically unrelated species may be a result of random mutation due to selection pressure.

Here, the Tasmanian wolf (marsupial wolf) and wolf (placental mammal) have several morphological similarities but they have unrelated ancestral lineages. Hence they show convergent evolution. These two subclasses of mammals have adapted to a specific food source, locomotor ability, or environment in similar ways.

Hence, the placental wolf and Tasmanian wolf exist sharing the same habitat in different continents former in Asia and the latter in Australia because these two show convergent evolution.

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A runaway greenhouse effect could be caused by the dense atmosphere, which could trap heat.

The correct answer is B

The atmosphere of Earth is responsible for all of the clouds you see in sky, the wind that blows through the trees or even the flag at your school yard, and even the sunlight that you feel on your face. From the planet's surface all the way up to 10,000 kilometers (6,214 miles) above, the atmosphere of Earth is present.

Multiple gases are mixed together. Approximately 78 percent nitrogen plus 21 percent oxygen make up the air in the Earth's atmosphere. Other gases including hydrogen, neon, and carbon dioxide are also present in very minute concentrations in air.

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All the nerve bundles of the mammalian body system are routed through the spinal cord.

The correct answer choice is option C.

The nerve bundles are those structures within runs from the nervous system throughout all the body parts. They are electrical wires which helps to transmit signals or electrical impulses.

That being said, the spinal cord signals different electrical impulses from the brain to different parts of the body and also from different parts of the body back to the brain.

In conclusion, we now know from the simple explanation above that the nerve cells branches to different parts of the body through the spinal cord.

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Both NADPH and glyceraldehyde-3-phosphate (G3P or GA3P) molecules use chemical bonds to store energy.

The process of photosynthesis is utilized by plants and other living things to change light energy into chemical energy that may then be released through cellular respiration to power the organism's activities.

The initial stage of photosynthesis results in the production of NADPH. The processes that take place during the second stage of photosynthesis are aided by it. For the many phases of the photosynthetic process to be completed, plant cells need light energy, water, and carbon dioxide.

Sunlight, carbon dioxide, and water are the three substrates needed for photosynthesis, which is a multi-step process. It generates glyceraldehyde-3-phosphate (G3P or GA3P), a simple carbohydrate with a high energy content that may be transformed into glucose, sucrose, or other sugar molecules, as well as oxygen.

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"The terms dominant and recessive apply to alleles that are found in a population at a very high rate (dominant alleles), and a very low rate (recessive alleles)" can be considered as a false statement.

In terms of alleles, dominant refers to the relationship between two gene versions. Organism individuals receive two versions of each gene (alleles), one from each parent. If the alleles are different, only one of them will be expressed. The expressed one is called the dominant gene. The masked one (the one that doesn't get expressed) is called the recessive allele. Recessive alleles only show if the organism has two copies of the allele (no dominant allele).

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Extrusion resolution are Splinter, Surface scar tissue (scab), Resorption resolution are Degradable tissue engineering scaffold, Degradable meniscal arrow (used to repair meniscal tears), Integration resolution are Titanium bone screw, Artificial heart valve leaflet, Coral implant for bone repair and Encapsulation resolutions are Breast implant, Catheter.

During the transition from infection to decision, lipid mediator elegance switching takes vicinity wherein preliminary formation of proinflammatory mediators set off the manufacturing of enzymes that allow the reprogramming of leukocytes to generate specialised pro-resolving lipid mediators (SPMs) from the equal PUFA precursors.

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Three processes that occur in nature that allow an E.coli cell to have new DNA sequences not found in its parent cell are : Transduction, transformation and conjugation

Transduction, transformation and conjugation are the recombination strategies used by E.coli to expand their genetic variety.

Process by which DNA is transferred from one bacterium to another by a virus is called transduction. It also refers to the process where foreign DNA is introduced into another cell through a viral vector.

In transformation, bacterium takes up a piece of DNA floating in its environment and in conjugation, DNA is transferred between bacteria via a tube between cells.

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Plants appear green due to the presence of chlorophyll. Chlorophyll is a pigment present in the chloroplasts of the plants that absorbs blue and red regions of the light spectrum and reflects green. So, plants appear green because they reflect green light.

So, the correct answer is they reflect green light.

The slant cultures do not die out quickly as compared to the broth cultures because the metabolic waste is formed very slowly and bacteria cannot get adequate nutrition.

Why slant culture do not die as quickly as broth culture?

The slant cultures do not die out quickly as compared to the broth cultures because metabolic waste builds up slowly and bacteria cannot derive adequate nutrition. Food and metabolic waste gradually diffuse in the slant culture and create less complications than broth cultures.

Broth cultures is a way for scientists to grow and maintain the cultures of bacteria and they are also useful for bacteria that have been in stressful experiment.

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In the electron transport chain, oxygen serves as the final electron acceptor (ETC).

Oxygen, nitrate, iron (III), manganese (IV), sulphate, carbon dioxide, and in some bacteria, chlorinated solvents like tetrachloroethylene (PCE), trichloroethylene (TCE), dichloroethene (DCE), and vinyl chloride are a few examples of electron acceptors (VC).

NADH performs the same role as the food molecule as an electron donor. The oxidoreductases, which transfer electrons from NADH to molecular oxygen, another electron acceptor, are the electron transporters anchored in the mitochondrial membrane.

Methanogenic Archaea use carbon dioxide as a terminal electron acceptor to produce methane as their end product, and various prokaryotic groups use it to create acetate.

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Microaerophiles are group of microbes must have oxygen to grow .

Microaerophiles are those microbes, that require oxygen for growth, are unable to grow at normal atmospheric oxygen tensions, they also adopt particular environment with low oxygen tension .

Microaerophiles need oxygen because they cannot ferment or respire anaerobically. They Produce ATP via aerobic respiration or fermentation. Microaerophiles gets poisoned by high concentrations of oxygen. for example Lactic acid bacteria (LAB) are well defined as a group of microaerophilic.

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Cirrhosis is a condition marked by fatty infiltration of the liver and replacement of healthy liver cells.

Chronic liver disease known as cirrhosis causes healthy liver cells to break down and be replaced by scar tissue. The liver's ability to digest nutrients, regulate hormones, and detoxify medicines and toxins, including alcohol, is hindered by this scar tissue.

The liver disease cirrhosis progresses over time. If the trigger is removed, such as quitting drinking alcohol, or if the virus is treated, the damage to your liver may occasionally improve or reverse.

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Alfred Russel Wallace was a collector, an explorer, anthropologist and a political commentator. He was most famously known for his revolutionary idea of evolution by natural selection, which was entirely independent of Charles Darwin.

What was his contribution to the theory of evolution?

Alfred Wallace had collected more than a hundred thousand insect, animal and bird species, which he handed over to the British museum.

He had come to a conclusion by 1855 that all living things evolve.  But what he couldn’t figure out was how. Three years later he figured it out when he was on an island, sick with fever: he concluded that animals evolve by adapting to their environments.

After his discovery, he wrote down his theory in an 8-9 page paper, and sent it to Charles Darwin. Darwin reached the same conclusion a couple of years later and the two men then published a paper together (1858), arguing about the theory of natural selection and evolution.

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rganization of ganglia within the brain.

A column of nerve tissue that runs from the base of the skull down the center of the returned. It is blanketed via three thin layers of shielding tissue referred to as membranes. The spinal twine and membranes are surrounded by means of the vertebrae (back bones). The spinal cord and the mind make up the primary anxious device (CNS).

The spinal cord is a long, skinny, tubular structure made up of fearful tissue, which extends from the medulla oblongata within the brainstem to the lumbar region of the vertebral column (spine). The spine encloses the primary canal of the spinal cord, which incorporates cerebrospinal fluid.

Like the brain, the spinal twine includes grey and white rely. The butterfly-formed middle of the wire includes grey remember.

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Valproic acid eliciting its effects by increasing levels of gamma-aminobutyric acid (gaba) and steroidal drugs stabilizes cell membranes.

Valproic acid elevated GABA synthesis and launch in mind areas consisting of substantia nigra,146 that is concept to be worried withinside the manipulate of seizure technology and propagation. It additionally decreased the discharge of gamma-hydroxybutyric acid and attenuated neuronal excitation prompted via way of means of NMDA-kind glutamate receptors.

Vamorolone Stabilizes Dysferlin-Deficient Cell Membrane via way of means of Reducing Lipid Mobility. Lipophilic molecules, such as steroidal drugs, can have an effect on membrane pressure in addition to lateral diffusion of proteins and lipids withinside the plasma membranes

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Explanation:

parental phenotype : black fur 》 white fur

parental genotype: Bb 》 bb

gametes: (B) (b) 》 (b) (b)

random fertilization: (punnet square)

b b

B Bb Bb

b bb bb

f1 generation phenotype: black fur 》 white fur

f1 gen genotype: Bb, Bb 》 bb, bb

percentage: 50% black fur 》 50% white fur

ratio: 1:1

therefore the probability of an offspring having white fur is 50% or 1/2

The result of the following cross indicates that the genotype of the male parent is RR.

When a sperm sporting the Y chromosome fertilizes an egg, the ensuing embryo has a genotype of XY and may be a male. With uncommon exceptions, all different embryos may be XX or female. Although the Y chromosome codes for a male, the X chromosome is important for regular human development.

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