Answer: composition, structure, history, and physical processes that shape the planet
either one of those
Between 23 and 30 weeks connections form between the cerebral cortex and the brain regions that recognize _______ sensitivity.
Between 23 and 30 weeks connections form between the cerebral cortex and the brain regions that recognize pain sensitivity.
Your cerebral cortex, which is located on top of your cerebrum, is its outer layer. The greatest part of your brain is called your cerebrum. Your brain is split into two hemispheres by your cerebrum. The corpus callosum, a network of nerve fibres, connects the hemispheres together.The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger. The central nervous system, or CNS, is made up of the spinal cord that emerges from the brain.The anterior cingulated cortex, insular cortex, prefrontal cortex, thalamus, primary somatosensory cortex (S1), secondary somatosensory cortex (S2), and the insular cortex are some of these areas. These areas comprise the pain neuromatrix that Melzack has described.To learn more about cerebral cortex.
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Which feature is shared by archaea and bacteria but not found in any member of eukarya?
The feature is shared by archaea and bacteria is the Lack of a nucleus, but that not found in any member of eukarya because both archaea and bacteria are prokaryotes which are the type of organisms whose all cells lack a nucleus and other organelles.
Although, prokaryotes are single-cell organisms. The Archaea and bacteria both are single-cell organisms with no nucleus or organelles, and they reproduce asexually by fission or budding, and no species are known to produce spores. Both bacteria and archaea do not have interior membranes, but they have cell walls.
However, bacteria have three RNA molecules, whereas archaea have single RNA molecules. Both are different, but they share common features, i.e., Lack of nucleus and other organelles, because they come under the category of prokaryotes.
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Amino acids and peptides in the stomach lumen stimulate acid secretion during the ________ phase of gastric secretion.
Amino acids and peptides in the stomach lumen stimulate acid secretion during the gastric phase of gastric secretion.
The vagus nerve and the discharge of gastrin mediate the gastric phase. The acidity of the stomach contents after eating is buffered by proteins, resulting in an overall pH of 3 (acidic) for nearly 90 minutes. During the gastric phase, acid is still secreted in reaction to distension, and the amino acids and peptides are freed from protein as digestion progresses.
The chemical response of liberated peptides and amino acids causes gastrin to be released from the antrum into the bloodstream. Thus, hormonal, chemical, and mechanical factors play a role in the gastric secretory reaction to eating. This stage lasts until the meal has passed through the stomach.
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The process of endospore formation is _____________, while the process of an endospore growing into a vegetative cell is ____________.
The process of endospore formation is sporulation, while the process of an endospore growing into a vegetative cell is germination.
What is endospore?A dormant, robust, and non-reproductive structure known as an endospore is created by some bacteria belonging to the phylum Bacillota. Endospore is a name that suggests a spore-like or seed-like form, although it is not a true spore. The bacterium can reduce itself to this depleted, inactive state. The bacteria divides within its cell wall to generate endospores, which are then formed when one side engulfs the other. Bacteria can remain inactive for long periods of time, even centuries, thanks to endospores. Bacillus cereus, Bacillus anthracis, Bacillus thuringiensis, Clostridium botulinum, and Clostridium tetani are a few examples of bacteria that can produce endospores.Learn more about the endospore with the help of the given link:
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A mineral scratches a knife blade but does not scratch a streak plate. What is the hardness of the mineral?.
Answer:
A mineral scratches a knife blade but does not scratch a streak plate. The hardness of the mineral between 5.5 and 7.
Explanation:
A material's ability to tolerate localized irreversible and plastic deformation, cutting, scratching, and even twisting is referred to as its hardness. Contrary, wear resistance will increase as hardness increases. Hard materials, in contrast, are challenging to shape-change.
The capacity of one mineral to scrape another mineral is a measure of hardness. A mineralogist from Germany named GeFederick Mohs developed a hardness scale that used a group of 10 reference minerals.Compounds containing calcium as well as magnesium, as well as a number of other metals, contribute to hardness. Temporary hardness, as well as permanent hardness, are indeed the two forms of hardness. Carbonate hardness is another name for temporary hardness.
This kind of hard water is caused by the bicarbonates and carbonates containing both calcium as well as magnesium. This hardness can be eliminated by boiling the water or adding lime to it.
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HELP ME ASP I WILL GIVE YOU BRAINLEST AND MORE POINTS
Answer:
proton
Explanation:
positive charge
What is the major organic product obtained from the following reaction using excess of organometallic reagent?
a) tertiary alcohol
b) ketone secondary
c) alcohol aldehyde
Tertiary alcohol is the organic product obtained from the following reaction using an excess of organometallic reagents. So the correct option is A.
What are organometallic reagents?The formula for a Grignard reagent is RMgX, where X is a halogen and R is an alkyl or aryl group (based on a benzene ring) group. We will assume that R is an alkyl group for the sake of this page. An example of a Grignard reagent is CH3CH2MgBr.
Chemically, organolithium reagents have the formula RLi. The reagent CH3CH2Li could be typical. Although many organometallic reagents are commercially accessible, making them is frequently essential.
Therefore, the correct option is A.
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Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called:________
Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called signal transduction.
What is a Cell?A cell may be defined as the basic structural and functional unit of living organisms. All living organisms are made up of cells that perform special metabolic functions which are necessary for the survival of living entities.
Signal transduction is the process through which the binding of the extracellular messenger is accomplished to the receptor present on the cell surface. It stimulated physiological as well as chemical changes in living organisms.
Therefore, signal transduction is a process that involves relaying a message from a membrane receptor to a molecule that performs a specific function within a cell.
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The two processes that occur during respiration are? a) ventilation and diffusion. b) inspiration and expiration. c) diffusion and oxygenation. d) oxygenation and ventilation
The two processes that occur during respiration are Inspiration and Expiration. The two fundamental elements of pulmonary ventilation are inspiration and expiration.
The process through which air departs the lungs is called expiration, and the process by which air is inhaled is called inspiration. A respiratory cycle is one round of inhaling and expiration.
Expiration (breathing out) and inspiration (breathing in) are necessary processes for the body to absorb oxygen and release carbon dioxide. In contrast to inspiration, which includes the active contraction of muscles like the diaphragm, exhalation is frequently passive unless it is forced.
The rib cage's intercostals, parasternal, scalene, and neck muscles, which mostly influence the top portion (pulmonary rib cage), function as both inspiratory and expiratory muscles.
In order to breathe, the abdominal muscles contract against the rib.
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The neutral theory of molecular evolution posits that most mutations are ________ and most substitutions are ________.
Answer:
The neutral theory of molecular evolution posits that most mutations are natural and most substitutions are beneficial.
Explanation:
According to the neutral theory, the great majority of genetic mutations have little to no effect on an individual's fitness. According to Motoo Kimura's neutral hypothesis, the bulk of molecular (DNA) mutations in a population occur as a result of genetic drift rather than natural selection, which suggests that mutations are generally neutral and therefore do not benefit the organisms.
This indicates that mutant alleles are really not kept because they have a selection benefit over other members of the population, but rather because of the unpredictability of existence. Neutral changes in genetic studies are those that occur when natural selection does not influence the distribution of the mutation within a species. Most other alleles of the gene will be deleted or replaced by neutral mutations that really are highly heritable and that are not connected to any genes that are currently being selected.
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What would make it clear that a recessive trait is carried on the x chromosome in humans?
The recessive traits located on the X-chromosome of humans are always expressed in males e.g. color blindness is a recessive sex-linked trait in which the eye fails to distinguish red and green colors. The gene for the traditional vision is dominant. the traditional gene and its recessive allele are carried by X-chromosomes.
What is a recessive trait?
An inherited trait is outwardly obvious only two copies of the gene for that trait are present—as opposed to a dominant trait where one copy of the gene for the dominant trait is sufficient to display the trait.
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Hich result will the nurse expect diagnostic studies of a client with cushing syndrome to indicate?
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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A person having repeated bladder infections would see a specialist in:________
A person having repeated bladder infections would see a specialist in urology
What is urology?
Diseases of the male and female urinary tract are treated by the medical specialty of urology (kidneys, ureters, bladder, and urethra). Additionally, the topic of the male reproductive organs is covered. Urologic health is crucial since illnesses in these body components can affect everybody.
One surgical specialty is urology. A urologist is a medical professional skilled in surgery as well as internal medicine, pediatrics, gynecology, and other fields of medicine. This is so because urologists deal with a wide variety of clinical issues.
1. Pediatric urology (urology for children)
2. Urogynecology (urologic cancers)
3. Kidney (renal) Transplant
4.male Infertility
5. Calculi (urinary tract stones)
6. Women's Urology
7. Neurourology (nervous system control of genitourinary organs) (nervous system control of genitourinary organs)
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Function of the kreb's cycle is to? a. remove hydrogen ions and transfer them to coenzymes b. transfer a hydrogen to an acetyl group c. degrade glucose d. produce carbon dioxid
Function of the Krebs cycle is to (a) remove hydrogen ions and transfer them to coenzymes.
Krebs cycle is also called the Citric acid cycle or the TCA cycle. It occurs in the matrix of the mitochondria. It is an important cycle of the aerobic respiration that functions to provide energy to the cells. The energy released is in the form of NADH, FADH₂ and GTP.
Coenzymes are the organic molecules that aid in the catalysis process to the enzymes. They bind to the active site of the enzymes. These are not proteinaceous in structure. The examples of coenzymes are NAD, NADP and FAD.
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Which branch of musicology primarily studies changes in western art music over time?
Historical musicology changes in western art music over time.
What is Musicology?
The academic analysis and research-based study of music is known as musicology. Although some music research has a scientific bent, musicology departments traditionally belong to the humanities (psychological, sociological, acoustical, neurological, computational). The social sciences are also academically interested in musicology because some anthropologists and geographers are interested in it. A musicologist is a researcher who works on musical topics. Historical musicology, systematic musicology, and ethnomusicology are the three primary subfields of musicology. Historical musicologists often concentrate on the history of the western classical music tradition, though the study of music history need not be limited to that.Learn more about the Musicology with the help of the given link:
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The na glucose symporter is an example of _____ transport, and it is found only on ______.
The na glucose symporter is an example of active transport, and it is found only on epithelial cells.
A transmembrane protein known as na glucose symporter is a sort of sodium-driven secondary active transport that occurs in the epithelial cells of the small intestine. The sodium-glucose symporter is found in the apical membrane of epithelial cells. The symporter binds to sodium and glucose, which are subsequently co-transported into the epithelial cells simultaneously. The sodium-driven glucose symporter utilizes the potential free energy stored in the sodium electrochemical gradient (low sodium concentration inside epithelial cells) generated by the Sodium-Keto pump. As a result, sodium influx from the lumen to the epithelial cell is connected to glucose transport (symport).
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Antibiotic resistance genes in bacteria can be transferred by ______ gene transfer.
Horizontal
Antibiotic resistance genes in bacteria can be transferred by horizontal gene transfer.
What is horizontal gene transfer?The dissemination of antibiotic resistance genes among bacteria (aside from those that are passed from parent to child) is a result of horizontal gene transfer (HGT), which also promotes the evolution of pathogens.How do genes for antibiotic resistance function?Once a bacteria has acquired a resistance gene and incorporated it into its DNA, the bacterium can dominate other bacteria and convey the resistance gene to all of its offspring. Bacteria reproduce quickly, which amplifies resistance.What three kinds of horizontal gene transfer do bacteria engage in?Bacteria can transfer genes horizontally through transformation, transduction, and conjugation. Conjugation is the most prevalent method of horizontal gene transfer among bacteria, particularly from one donor bacterial species to another.Give an example for horizontal gene transfer?In multicellular organisms, horizontal gene transfer can happen in a number of different ways. For instance, in plants, HGT can function naturally through host-parasite interactions. By serving as a vector, the parasite spreads mitochondrial DNA between two different plant species.To learn more about antibiotic resistance visit:
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lesson of the kaibab hypothesis?
Relationships between organisms and their physical surroundings as well as forces inside the biotic community have the potential to change the environment. The maximum number of creatures that a region can sustainably support is known as an ecosystem's carrying capacity. When a population is dense, the habitat may undergo such significant changes that the ecosystem is no longer suited for the survival of that species. For instance, excessive grazing on a piece of land may prevent it from supporting the grazing of the animals inhabited there.
Predators were eliminated and the forest service outlawed hunting.According to the graph, by 1924, the population had gotten out of hand; 100,000 people were living on a plateau with a carrying capacity of 30,000.Because the deer destroyed their habitat, there were 100,000 deer where there should have only been 30,000, which caused the population to fall.Due to natural predators and legal hunting, the deer population was much below its carrying capacity.The deer were unable to survive on the range after hunting was once more permitted. Food was scarce, and the populace was too frail to procreate.To learn more about predators here:-
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Smoke arising from the ash of the cigarette or cigar is called blank______, which is higher in many carcinogens than is the firsthand smoke delivered to a smoker's lungs.
Sidestream smoke, which is the smoke that emanates from the ash of the cigarette or cigar, contains more carcinogens than directly smoke does when it enters a smoker's lungs.
What effects do carcinogens have on the body?Chemical compounds, viruses, or even cancer-treating drugs or radiation treatments can all be carcinogens. Different ways exist for carcinogenic compounds to cause cancer. Some carcinogens can cause cancer even when they do not directly cause it. Cancer can also be brought on by prolonged, high-level exposure to carcinogens.Can the lungs of smokers recover?Smoking damages your airways and the tiny air sacs (alveoli) in your lungs, which can lead to lung disease. Along with COPD, smoking causes two lung diseases: emphysema and chronic bronchitis.Smoking cigarettes is the primary cause of lung cancer in most cases.When you stop smoking, your lungs start to repair straight immediately, so stopping sooner rather than later can benefit your general health.learn more about carcinogens here
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About _____ molecules in a glass of water are dissociated.
1 in 500,000,000
1 in 5,000,000
1 in 1,000,000,000
1 in 2
1 in 1,000,000
Answer:
in my opinion I will go for 500,000,000 (one in half a billion).
Explanation:
Because Water is an amphoteric substance, which means water can accept a proton acting as a base, and it can also donate A proton acting as an acid. About one water molecule in half a billion dissociates into an OH - ion by losing a proton to
another water molecule .
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Among the key points in using your bc to help maintain neutral buoyancy under water:_____.
Among the key points in using your bc to help maintain neutral buoyancy under water Add or remove air to or from your BC only in large bursts, until you develop a more intuitive feel for the process.
What is buoyancy ?The propensity of an object to float in a fluid is known as buoyancy. The buoyant force is an upward force that all liquids and gases in the presence of gravity apply to any object submerged in them. Differences in pressure acting on opposing sides of an item submerged in a static fluid cause buoyancy.
It is an upward force applied to the object that is submerged by the fluid. Examples of buoyant force include a ship floating in the middle of the ocean, an anchor that sinks when dropped into the water, and even a fish that is suspended in midair.Learn more about Buoyancy here:
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Unlike eukaryotes, bacterial dna is not enclosed by a nuclear membrane. instead, bacterial dna is condensed into a region called the __________.
Unlike eukaryotes, bacterial DNA is not enclosed by a nuclear membrane. instead, bacterial DNA is condensed into a region called the nucleoid.
Eukaryotes are the organisms that possess the eukaryotic cell. The eukaryotic cell is advanced type of cell with well-defined nucleus and also the cell organelles are present. Eukaryotes can have both 70S and 80S type of ribosomes.
Nucleoid is the condensed region in the prokaryotic cell that comprises of the genetic material, the DNA. It is an irregular shaped structure lying in the cytoplasm of the cell. There is usually a single pair of chromosome present in the nucleoid.
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Which cellular structure is associated with eukaryotic cells but not with prokaryotic cells?
Answer:
membrane-bound nucleus
Explanation:
membrane-bound nucleus
_________ involves reconciling underlying differences so that issues are resolved to the mutual benefit of all parties.
Collaboration involves reconciling underlying differences so that issues are resolved to the mutual benefit of all parties.
The collaboration conflict situation is a type of solution in which cooperation is done between the parties in order to solve conflicts. The opponent parties realize that in order to make the situation work, collaboration needs to be done that can mutually benefit the opponent parties.
Hence, through the collaboration system, the opponent parties reconcile their issues and differences and come up with terms that are of mutual benefit.
The system of collaboration is a more peaceful one and all the disputed parties feel heard. They can settle on a mutual agreement and come to terms that can benefit them.
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Which term refers to a muscle that shares the same action as another muscle at the same joint?
Synergist is the term refers to a muscle that shares the same action as another muscle at the same joint
What do you call paired muscles?These types of muscles are referred to as antagonistic pairs. When two muscles are antagonistic, the lengthening or relaxing of one muscle causes the other to relax. The term "agonist" refers to the muscle that is contracting, while "antagonist" refers to the muscle that is relaxing or extending.
Synergistic muscles are sets of muscles that cooperate to produce a single action. Antagonistic muscles are those that oppose one another. Movement requires an antagonist muscle to counteract the action of an agonist muscle.
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Egg is composed of the shell, egg white and egg yolk
yr own word please
Agree or disagree explain why
Hi can someone please help me with this!
3)
Experimental group - Those that received the placebo
Control group - Those that received surgery
Dependent variable - Kind of treatment for knee problem
4)
Experimental variable - Use of repellant
Independent variable - Use of repellant
Dependent variable - Deer population around the trees
Control - Trees without the tiger urine
Controlled variables - Specie of the deer, specie of tiger producing the urine.
What is an experiment?We can see that in each case, the experiment is trying to establish a cause and effect relationship. This implies, does X lead to Y? Each experiment must have a dependent variable that changes and an independent variable that is manipulated.
3)
Experimental group - Those that received the placebo
Control group - Those that received surgery
Dependent variable - Kind of treatment for knee problem
4)
Experimental variable - Use of repellant
Independent variable - Use of repellant
Dependent variable - Deer population around the trees
Control - Trees without the tiger urine
Controlled variables - Specie of the deer, specie of tiger producing the urine.
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Goblet cells are found within pseudostratified ciliated columnar epithelium.
a. true
b. false
This is true that goblet cells are found within pseudostratified ciliated columnar epithelium.
Goblet cells are present in the intestinal villi that are responsible for the production of mucin. They are abundant in the large intestine. The cells appear cup-like in appearance. The function of these cells is to prevent the foreign pathogen from infecting the intestine.
Pseudostratified ciliated columnar epithelium is the type of epithelial cell found in the areas where cilia are present. The examples of location include: the respiratory tract, the intestine, etc. Their primary roles are production of mucus and guard the organ from the pathogens.
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What type of epithelium lines the urinary bladder and urinary passageways? select one: a. cuboidal b. columnar c. pseudostratified d. transitional e. squamous
D. Transitional epithelium: The layers of cells that make up a transitional epithelium, often referred to as urothelium, flatten out when stretched. It allows your bladder to expand and lines the majority of your urinary tract.
The interior of the urinary bladder is lined with what kind of epithelium?
The mucous membrane that lines the interior of the ureters and the transitional epithelium that lines the bladder's interior are one and the same. The mucosa folds numerous times when the bladder is empty, and these folds are known as rugae. The transitional epithelium and rugae allow the bladder to expand when it fills with pee.
What kind of epithelium do you have in the interior of the urine bladder? Transitional epithelium, which expands when the organs become inflated with urine, forms the lining of hollow urinary organs.
Epithelium:
One of the four primary forms of bodily tissue, epithelial tissue covers both internal and external surfaces in your body and is present in all of your organs. Depending on where it is in your body, it has a variety of different structures and functions.
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