The use of mri brain scans has revealed _____ in those who suffer from schizophrenia.

Answer:

2nd option

Explanation:

Atoms with low ionization energy and low electron affinity (metals) tend to lose electrons and become positive ions. Atoms with high ionization energy and high electron affinity (nonmetals) tend to gain electrons and become negative ions.

An electrode, which stimulates the brain in order to give pleasure is most likely to be placed in the Medial forebrain bundle (MFB).

(MFB) electrically or chemically stimulates critical elements of the reward pathway, which are likewise triggered by natural rewards. Electrically stimulating particular areas of the hypothalamus causes responses like eating, drinking, or copulation that are associated with rewards.

Brain stimulation reward (BSR) is a pleasant phenomenon induced by the direct activation of particular brain areas. Targeted stimulation sets up response patterns that are similar to those set up by natural incentives like food and sex by activating the reward system circuitry.

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Traits (such as sitting, walking) that emerge under a wide range of experiences and do not have to be taught emerge through a process known as canalization.

Curiosity is one of her standout qualities (as a personal characteristic). a trait that was passed down. a pencil stroke or an impression of one. Feel, trace.

All ports divided these characteristics into three groups: cardinal characteristics, central characteristics, and secondary characteristics. Cardinal qualities are those that are so pervasive that they show up in a variety of contexts and areas of a person's life.

The trait theory offers useful insights into leadership. People at various levels and in all kinds of organizations can use it. Managers can use the information in the theory to analyze their place in the company and how they are performing in that position.

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The  neurotransmitters that are most likely in undersupply in someone who is depressed are: serotonin and norepinephrine; option A

Neurotransmitters are chemicals whose main function is in transmitting nervous impulse across the neurons of the body.

Neurotransmitters are important as the over -production or under-production of neurotransmitters in that body can affect the mood and behavior of individuals.

The neurotransmitters in the body include:

Serotonin and norepinephrine act as mood elevators. Therefore, a low amount of these neurotransmitters could lead to depressed moods.

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Glucose Level result will the nurse expect diagnostic studies of a client with Cushing syndrome to indicate.

Glucose Level- The quantity of glucose in the blood is known as the blood glucose level. In addition to being created and stored by the body, glucose is a sugar that is obtained from the meals we eat. It is the primary energy source for our body's cells, and the bloodstream carries it to every cell.

Cushing Syndrome- At the base of the brain, a noncancerous (benign) tumor of the pituitary gland overproduces ACTH, which in turn encourages the adrenal glands to produce more cortisol. Cushing disease is the term used when this type of the illness manifests.

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Thick skin has a thicker stratum granulosum and stratum corneum than thin skin. The capacity to remain unaffected or unoffended by the words and actions of others She can take criticism very well because of her thick skin. You must have a thicker skin if you wish to perform in front of an audience.

Your skin's appearance is significantly influenced by your genetics. If you can see tendons and veins on the backs of your hands and forearms, you probably have thinner skin due to genetics. Vitamin C-rich foods promote the creation of collagen, which contributes to the gradual thickening of the skin.

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A patient with blood pressure of 99/56, heart rate of 89, dry mucous membranes and flat jugular veins, indicates that he is dehydrated, the most important action is to hydrate the patient with intravenous saline

Cool the patient's body if the cause is excessive heat exposure. Replace fluids orally if there is no nausea and vomiting or excessive dehydration. If not, do intravenous replacement. Do blood and urine tests to determine the causes of dehydration.

Dehydration may not be caused by underlying conditions. Some common causes are

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A client experiences an increase in thyroid hormone as a result of a thyroid tumor. The hormonal response that will demonstrate the negative feedback mechanism is decreased production of Thyroid stimulating hormone (TSH)

Negative feedback mechanism also called as inhibitory loop is the process of controlling the output of the body. Whenever any output like protein or hormone is produced in excess amount the body works the negative feedback mechanism to inhibit the excess of output by the body.

When there is thyroid tumor excess amount thyroid hormone is produced due to uncontrolled growth of the cells. Hence negative feedback mechanism occurs by decreasing the production of the Thyroid stimulating hormone which in turn decreases the production of thyroid.

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Because of the high temperature DNA melting step during a PCR reaction, the DNA polymerase from Thermus aquaticus is used.

DNA melting is the breakdown of the hydrogen bonds present between the nitrogenous bases of the two strands of DNA, in order to separate the strands. In PCR, this step requires a temperature of around 72⁰C. This process can also be called the DNA denaturation.

PCR is Polymerase Chain Reaction. It is the process of making millions of copies of a DNA in short period of time. This can take in following steps: (1) DNA melting, where the two strands of DNA are separated, (2) Primer annealing, where the primers bond to the exposed DNA strands, and (3) extension, where the further dNTPs attach to the strands to make copies of the DNA.

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This reaction is being caused by parasympathetic nervous system.

Parasympathetic nervous system (PSNS) is a network of nerves that relaxes the body after periods of stress or danger. It also helps run life-sustaining processes, like digestion, during times when it feel safe and relaxed.

Example, Saliva: The PSNS increases saliva production as part of its rest-and-digest function. Saliva includes enzymes that aid in the digestion of meals. Lacrimation: The term "lacrimation" refers to the act of crying. The eyes' fragile tissues are preserved by the lubrication provided by tears.

Lubrication- By applying a thin coating of a solid, liquid, or gas to two moving solid surfaces, lubrication minimizes friction and wear without endangering the surfaces themselves.

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Answer:

The Nucleus

Explanation:

Not only is it simply the heaviest, but it is the largest of the three options. Neutrons are extremely light compared to the nucleus. The electron cloud is even less, I believe.

The Parasympathetic Division of the autonomic nervous system is engaged when the body is relaxed.

What is parasympathetic nervous system?

One of the three components of the autonomic nervous system, together with the sympathetic and enteric nervous systems, is the parasympathetic nervous system (PANS or PSNS).

The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity.

Known as downregulating, the parasympathetic nervous system has a function. The vagus nerve, which transmits signals from the brain to the body as well as back from the body to the brain, is primarily how it works.

When this system is working properly, it lowers your chance of developing coronary heart disease and stroke, improves gut health by increasing digestive metabolism, and lessens migraines. Additionally, it will improve your physical, emotional, and overall health, possibly even lengthening your life.

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During the time that a planet is in its period of apparent retrograde motion: over many days or weeks, the planet moves westward relative to the stars, rather than the usual eastward relative to the stars; option D.

A retrograde motion of a planet is an actual or apparent motion of a planet in a direction opposite to that of the motions of most members of the same solar system or planetary system.

This is a  real or actual movement but results due to the relative motion of other planets.

In conclusion,  retrograde motion of a planet is an apparent and not a real motion

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Note that the complete question is given below:

During the time that a planet is in its period of apparent retrograde motion, _________.

A. the planet moves backwards (clockwise as viewed from above Earth's north pole) in its orbit of the Sun

B. the planet appears to rise in the west and set in the east, rather than the usual rising in the east and setting in the west

C. the planet is getting closer to the Sun in its orbit

D. over many days or weeks, the planet moves westward relative to the stars, rather than the usual eastward relative to the stars

The answer to the above question is Hypertensive crisis.

A hypertensive crisis is characterized by severely increased blood pressure (equivalent to or more than a systolic pressure of 160 or a diastolic pressure of 110; also known as malignant or accelerated hypertension), which carries a high risk of consequences. Although those with blood pressure in this range may not experience any symptoms, they are more likely than the general population to report headaches and lightheadedness. A hypertensive crisis may also be accompanied by other symptoms including dyspnea from heart failure, deteriorating vision from retinopathy, or a general feeling of malaise from kidney failure. Blood pressure is known to be raised in most patients experiencing a hypertensive crisis, but there may have been additional triggers that caused a fast increase.

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Yes, Human DNA have two types of chromosomes that are Autosome and Allosomes/ Heterosomes

Human Chromosomes are Found:

Before cell division, chromosomes are widely distributed and challenging to find. The chromosomes may be observed clearly during cell division, photographed, and their morphology, size, and shape analyzed. Autosomes and sex chromosomes are two groups of chromosomal types. Below is an explanation of these types:

The autosomes

The structures that house the genetic material are called autosomes. They do not include details about reproduction and sex identification. The male and female species of humans are the same in both sexes. In humans, there are 46 (2n) chromosomes. There are 44 pairs of autosomes among the 46 chromosomes, and they each provide data on the phenotypic traits.

Heterosomes and allosomes

The size, shape, and behavior of the sex chromosomes known as allosomes differ from those of autosomes. In humans, there are two allosomes. The sperm can include either the X or Y chromosome, and the X chromosomes are present in the ovum. These chromosomes aid in determining the progeny's sex. If both the mother and the father contributed an X chromosome, the child would be female (XX). A male child is born if the offspring inherits one X chromosome and one Y chromosome from the parents (XY). Simply said, the father's donation of an X or Y chromosome aids in determining the gender of the child.

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The total amount of energy converted by photosynthetic organisms minus the energy used in their own metabolic activities is Net primary productivity.

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Answer:

a) Homeostasis

Explanation:

These examples represent homeostasis. It is the ability of an organism to regulate its internal environment. Therefore, the option (a) is the correct answer.

Evolution is  least likely be a cause of natural selection

What Is Natural Selection? In the modern biology, the natural selection is the process whereby the species which have the traits that enable them to the adapt in an environment which survive and also reproduce, and then they pass on their genes to the next generation. A classic example of the natural selection at work is the origin of the giraffes' long necks. The ancestors of the modern giraffes were the animals similar to deer or the antelope, with necks of the ordinary length. Evolution is the change in the heritable that characteristics of biological populations which over the successive generations. These characteristics are the be expressions of genes that are also passed on from parent to offspring during the reproduction.

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Answer:

the answer is D.

Explanation:

The reason plants can influence both chemical weathering and mechanical weathering is because their roots grow into rocks and crack them. but It can inhibit erosion of the soil thanks to the roots.

The endosymbiotic theory proposes that eukaryotic cells arose as a result of large cells engulfing smaller, aerobic bacteria. The organelle that provides evidence for this theory is mitochondria.

Endosymbiotic theory says that some of the organelles of eukaryotic cells arose from the prokaryotic creatures. Mitochondria and chloroplast are some organelles. The evidence for the theory was given by the technique gene sequencing.

Mitochondria is the double membranous cell organelle. The inner membrane is folded into finger-like projections called cristae. These increase to surface area of mitochondria to produce maximum amount of ATP. The mitochondria has its own DNA which is circular in structure and this gives the evidence for endosymbiotic theory.

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Answer:

The difference between the visceral and parietal layers of pleura and peritoneum is:

Explanation:

The main differentiation between both visceral as well as parietal is that the former forms one of the 2 layers of the serosa that covers the organs, whilst the latter forms the second layer which lines the body cavity's walls. As a result, structures connected to organs are referred to as visceral, whereas those attached to the wall of most of the body cavity are called parietal.

The anatomical phrases visceral as well as parietal are used to characterise the serous membrane's components and structures. The walls of the whole organs in the thoracic as well as abdominopelvic cavities are often covered by a thin membrane called the serosa.

Aside from that, the pericardium, pleura, as well as peritoneum are indeed the serous membranes connected to the 3 serous chambers in the human body.

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When Mendel crossed a plant homozygous for round seeds to another plant homozygous for wrinkled seeds, he found that all the progeny had round seeds. This happened because the allele for round seed is dominant over the allele for wrinkled seeds.

Homozygous is the condition of genotype where the pair of alleles are of the same type. These alleles are present in the same locus of the sister chromatids. Presence of homozygosity is necessary for expressing the true-breeding line of any organism.

Dominant alleles are those that have the ability to mask up the effect of another allele. Such alleles can express their character even during heterozygous condition where only one such allele is present.

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False, Bacteria and archaea are not closely related than the archaea and eukaryote.

Bacteria- Bacteria are microscopic single-celled creatures without a distinguishable nucleus. They might have a sphere, a rod, or a spiral form. They live in almost every type of habitat, including soil, water, organic material, and animal bodies.

Archaea- Microbes known as archaea set the parameters for life on Earth. Extreme settings, such hydrothermal vents and terrestrial hot springs, are where they were first identified and characterized. Also found in wide variety like very salty, acidic, and anaerobic conditions.

Eukarya- A group of organisms, each of which cells contains a unique nucleus that houses the genetic material. Protista, fungi, plants, and animals are examples of eukaryotes.

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Microvilli are the structures of fingerlike projections that greatly increase the absorbing surface of the cells.

Microvilli are membrane protrusions that resemble fingers and are sustained by the actin cytoskeleton. They are present in practically all cell types. An increasing amount of research indicates that the highly curved membranes of the dynamic lymphocyte microvilli play a critical role in signal transduction that triggers immunological responses.

The examination of the process that generates curvature and its functional implications in signaling, however, was impeded by difficulties in altering local membrane curvature and tracking the high dynamicity of microvilli. Recent developments in adaptive super-resolution microscopy have helped to partially overcome these technological obstacles.

Therefore the structure that increases the absorbing surface area is called microvilli.

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A) That a covalent link forms between the carboxyl and amino groups, and that a protein can be made up of multiple polypeptides.

Polypeptides are created by joining several amino acids together to form polypeptides. The bonding of two or more polypeptides results in the formation of proteins, which are then folded into the appropriate shape.

In terms of structure, polypeptides resemble the specific amino acid groups they belong to, with the exception that covalent, or electron-sharing, bonds join them. The basic components of the polypeptide are amino acids.

Each of the 20 distinct amino acids has a unique structure. You can obtain a sense of how certain amino acids will interact with other amino acids by understanding the structure of the amino acids required for the protein you are creating.

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The charged groups all isolated amino acids have at physiological ph are option(a) i.e, more than 1.

Organic substances known as amino acids have both amino and carboxylic acid functional groups. Although there are hundreds of different amino acids in nature, proteins, which are made up of alpha-amino acids, are by far the most common. In the genetic code, only 22 alpha amino acids are present. Isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine, cysteine, tyrosine, histidine, and arginine are the 12 amino acids in question.

The body needs amino acids for a variety of processes, such as protein synthesis, tissue repair, and nutrition absorption. Some may also enhance post-operative recovery, improve mood, sleep, and athletic performance, as well as prevent muscle loss.

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The flow of information in a cell proceeds through the sequence from DNA to RNA to protein.

Deoxyribonucleic acid is a polymer made of two polynucleotide chains that coil around one another to form a double helix and which contains the genetic material necessary for the growth, development, and reproduction of all known organisms as well as a large number of viruses. They are both nucleic acids, as is DNA .

The nucleotide chain that constitutes DNA is made up of different molecules. There are three groups of sugar, phosphate, and nitrogen bases in every nucleotide. DNA can contain Adenine (A), Thymine (T), Guanine (G), and Cytosine (C), four different nitrogen bases (C).

All of the genetic data that an organism needs to grow, function, and reproduce is stored in DNA, which serves this purpose. In essence, it is your body's biological instruction manual, which is present in every cell.

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Potassium permanganate dye would pass through agar the fastest and travel the furthest in the shortest amount of time.

What is dye?

Dye is a component, either natural or artificial, used to give something color or to change the hue of something. It helps us in finding faults, leaks, etc.

Potassium permanganate (KMnO₄) (molecular weight = 158) can be used for fast results. It travels fastest through agar in shortest amount of time.

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