Infer imagine that the rock on the outside of the mountain was much harder than the cooled magma. how might devils tower look today? explain your answer.
Devil's Tower rises above the surrounding grassland and ponderosa pine forests like a rocky sentinel.
Geologists have studied the formation since the late 1800s, and today still wonder how it formed. We are aware that the Tower is the greatest example of columnar jointing in the world and is composed of the uncommon igneous rock phonolite porphyry. We journey back through Earth's history to a period long before this special feature took shape to better comprehend the processes that shaped the Tower.
Although much of the Tower’s geologic story is agreed upon, theories differ on certain details. Protected in 1906 for its scientific value, Devil's Tower remains a place of scientific study and public wonderment.
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which of the following statements regarding darwin's theory of adaptation by natural selection are accurate?
The assertions made in relation to Darwin's idea of adaptation by natural selection are true in terms of optimal variants for environmental conditions.
Darwin's theory of evolution has his two main aspects: natural selection and adaptation. Cooperate in the inheritance of traits within a population.
Natural selection occurs through interactions between the environment and the variability among individuals that make up the population. Basically, both natural selection and adaptation are integral parts of evolution, and even in a hostile environment, nature chooses the best, the best adapts to nature, and the adaptation is passed on to offspring. Inherited.
Change is the fundamental mechanism that supports adaptation to the environment. Superior/intrinsic adaptive mutations are passed on to the next generation and allow us to survive in an ever-changing environment. Organisms that adapt and develop new beneficial traits survive only a long evolutionary process.
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Electrolytes, (to identify a few: na , k , mg cl-), account for approximately ________ of the solutes in the body.
Electrolytes are found in the body are calcium , potassium,phosphate, chloride , Magnesium and sodium.
What is the most common electrolyte imbalance?Hyponatremia is the most common form of electrolyte Disorder in the emergency room . The symptoms are unspecific and include nausea , dizziness and often falls. Typical symptoms of severe hypernatremia are vomiting, cerebral seizures ,somnolence and even coma.
Sodium , calcium , potassium,chloride ,phosphate and magnesium are all electrolyte. The levels of in your body can become too low or too high .
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The difference in charge between the inside and the outside of the nerve fiber when the nerve is at rest is ____ mv.
The difference in charge between the inside and the outside of the nerve fiber when the nerve is at rest is -70 mv.
A neuron's inner is around 70 millivolts more negatively charged than its exterior when the cell is at rest (70 mV; note that this value varies depending on the species and type of neuron). This voltage, which is caused by fluctuations in the quantities of ions inside and outside the cell, is known as the resting membrane potential. If the membrane were equally permeable to all ions, each type of ion would pass through it, and the system would eventually reach equilibrium. Because ions cannot simply cross the membrane at will, there are different concentrations of some ions inside and outside the cell.Learn more about the resting membrane potential with the help of the given link:
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which of the following aid an example of a trade-off?
A) scientific information
B) scientific information put into policy
C) all the benefits that come from scientific endeavors
B) something sacrificed in order to gain something else
Answer:
c_all the benefits that comes from scientific endeavors
Does the distribution of Ca²⁺ in an egg correlate with formation of the fertilization envelope?
Scientists proposed that variations in the distribution of Ca2+ ions in sea urchin eggs play a role in the formation of the fertilization envelope in light of what was known about the fertilization envelope, a protective layer that forms around the egg when a sperm fuses with it.
The endoplasmic reticulum (ER) of sea urchin eggs has a substantially greater Ca2+ ion content than the cytoplasm, as is the case in most eukaryotic cells. The researchers inserted a Ca2+-specific fluorescent dye into the cytoplasm of unfertilized eggs in order to observe how the cytoplasmic Ca2+ concentration varies in the egg during fertilization. They used a fluorescent microscope to view the eggs after they had been fertilized.
Scientists discovered that the creation of the fertilization envelope, which prevents the fusing of additional sperm with the egg, coincides with the sperm-induced increase in cytoplasmic Ca2+concentration during fertilization in sea urchins.
The cortical reaction is brought on by an increase in the amount of Ca2+ in the cytoplasm of the egg.
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some white blood cells function to digest bacteria in the body. these white blood cells would need to contain a large number of what organelle to perform this specific function?
Some white blood cells function to digest bacteria in the body. these white blood cells would need to contain a large number of lysosomes to perform this specific function.
White blood cells :White blood cells are components of the immune system. They aid the body's defense against infection and other disorders. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are all types of white blood cells (T cells and B cells).
What do white blood cells use to digest bacteria?The phagocyte digests the ingested particle using hydrolytic enzymes present within the cell's membrane-enclosed sacs known as lysosomes. They are produced in your bone marrow and protect your body from infections and disease. When there are too many white blood cells in your body, it usually suggests you have an infection or inflammation. A high white blood cell count may suggest certain blood malignancies or bone marrow abnormalities in rare cases.
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Select the correct answer. Which term defines a well-tested, scientifically supported statement that describes how something happens? A. hypothesis B. law C. observation D. theory
Answer: theory
Explanation: theories are scientifically supported. They are the result of well tested hypotheses but they are supported by scientists.
The most common allele of a gene in a population of fruit flies is called the ______ allele. '
The most common allele of a gene in a population of fruit flies is called the wild-type allele.
The phenotypic of a species' normal form as it appears in nature is known as the wild type (WT). The wild type was initially thought to result from the "regular" standard allele at a location, as opposed to a non-standard, "mutant" allele. If a population undergoes a genetic change, "mutant" alleles can vary greatly and may even turn into the wild type. Greater knowledge of how mutations happen and interact with other genes to modify phenotype has been made possible by ongoing developments in genomic mapping tools.
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The percentage of our total gene pool that determines our sex (x and y chromosomes) is?
The percentage of our total gene pool that determines our sex (X and Y chromosomes) is 0.2%.
In terms of numbers, the X chromosome has roughly 800-900800-900800, minus 900 protein-coding genes with a wide range of functions, whereas the Y chromosome has about 60-7060-7060, minus 70 protein-coding genes, of which about half are exclusively active in the testes.The chromosome that the male father provides determines the biological sex (male or female) of the child. The X or Y chromosome can be contributed by the male, who has XY sex chromosomes, whereas the X chromosome must be contributed by the female, who has XX sex chromosomes.Numerous processes, such as mutations, natural selection, and genetic drift, can cause this. As a result, the population's gene pool is modified to better suit the requirements of its particular habitat.To learn more about chromosome.
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The carbon cycle wuiz carbon is an element that is ?
The carbon cycle is one that helps the element carbon to cycle itself through living and non living components of our planet.
What is Carbon cycle?This refers to a biogeochemical cycle which involves the circulation of carbon in various forms through nature. The different processes include the following below:
Carbon enters the atmosphere as Carbon dioxide.Carbon dioxide is absorbed and used by green plants for photosynthesis.Animals consume plants thereby leading to the presence of carbon in their body system.Animals and plants die and they decompose which result in the carbon being reabsorbed back into the atmosphere.The carbon cycle is responsible for living organisms being referred to as organic due to the presence of carbon atoms in their system as a result of different processes which occurs in the planet.
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Lateralization occurs in some areas of the cerebral cortex, which means that the hemispheres have _____ functions.
Lateralization occurs in some areas of the cerebral cortex, which means that the hemispheres have different functions.
Cerebral cortex is Composed of grey matter.Contains billions of neurons, but no sensory or motor neurons, only all interneurons. Cerebral Cortex is Site of perception, earning, memory, and communication.Place where voluntary movements initiated.The 3 functional areas of the cerebral cortex Motor Areas Sensory Areas Association AreasMotor Areas Controls voluntary movement. Lie in the posterior part of the front lobes.Primary motor cortex controls voluntary muscles in body areas, especially those having the most precise motor control. (face, tongue, hands). If the left hemisphere is damaged of the cortex then right side of the body will be paralyzedTo know more about Cerebral Cortex visit : https://brainly.com/question/1191477
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Energy drinks tend to lack nutrients such as proteins, lipids, or carbohydrates, and instead contain ingredients that interact with metabolic pathways. these ingredients include?
Energy drinks tend to lack nutrients, and instead contain vitamins, minerals, and stimulants that interact with metabolic pathways to provide energy.
Metabolic pathways- A metabolic route is a series of activities or relationships between genes and associated byproducts that leads to the synthesis or modification of a system component that is necessary for a biological system to function properly.
Genes- The fundamental genetic component transferred from parent to child. Genes are composed of DNA sequences and are organized sequentially at specified sites on chromosomes inside the cell nucleus.
DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate.
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when you eat a large meal and your body absorbs a lot of glucose and that makes its way to the interstitial fluid before going into the cell. 100% of the glucose should be absorbed into the cell from the interstitial fluid. why does nearly all of the glucose enter the cell, rather than only half of it?
Since the cell modifies it, there's more glucose outside the cell than within.
Cell- The research of structure and function of cells is known as cell biology, and it is based on the idea that a cell is the basic building block of all life. A thorough grasp of the organisms and tissues that cells make up is made possible by concentrating on the cell.
Tissue- A biologic organization level between cells and an entire organ is called a tissue. A tissue is a group of comparable cells from the same origin, along with their extracellular matrix, that work together to perform a single function. Then, various tissues are functionally grouped together to form organs.
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The substances in a chemical reaction that are combined or separated to form new substances are the _______.
A.
chemical equations
B.
products
C.
reactants
D.
coefficients
Answer:
products...............
What short-term changes in cardiovascular function might best enable skeletal muscles to help an animal escape from a dangerous situation?
The supply of oxygen and nutrients to working muscles would be improved by raising blood pressure, heart rate, and stroke volume (cardiac output).
What are the cardiovascular system's primary duties?The body's cells and organs are supplied with oxygen, nutrition, hormones, and other vital chemicals through the cardiovascular system. It is crucial for the body to be able to fulfil the demands of stress, exercise, and activity. Among other things, it aids in regulating body temperature.
The heart, blood, arteries, veins, capillaries, and the circulatory system all make up the cardiovascular system.
Unhealthy food, inactivity, cigarette use, and alcohol abuse are the four biggest behavioural risk factors for heart disease and stroke.
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Heart rate, digestion, breathing, and perspiration are all controlled by which part of the peripheral nervous system? a. the sympathetic nervous system b. the autonomic nervous system c. the parasympathetic nervous system d. the somatic nervous system please select the best answer from the choices provided a b c d
Heart rate, digestion, breathing, and perspiration are all controlled by the autonomic nervous system.
The autonomic nervous system is a part of the peripheral nervous system and it controls different body functions like blood circulation, digestion, breathing, urination, heartbeat, etc.
It is given the name autonomic because it works without the voluntary efforts of a person. People don't have to put effort or think about it to make them function.
There are two types of Autonomic nervous system; the Sympathetic autonomic nervous and the Parasympathetic autonomic nervous system.
The sympathetic autonomic nervous system prepares the body to respond to environmental threats and the Parasympathetic autonomic nervous system maintains normal body functions.
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Viruses can progress to two possible scenarios after infecting the host cell. Which of the following is characteristic of the lysogenic cycle?
What is a virus? How do they spread? How do they make us sick?
a
Viruses enter the host cell, and rapidly make copies of the host DNA.
b
Viral DNA takes over the host cell, making new viruses that burst out of the cell.
c
Viral DNA is inserted into host DNA, and is replicated when the cell divides.
d
Viral RNA takes over the host cell, making new host cells.
Viral DNA is inserted into host DNA, and is replicated when the cell divides.
What is a virus?Virus is an infectious agent that cannot replicate on its own, but needs a host to do so. The virus has its own genes (DNA or RNA) surrounded by proteins. The virus then infects the cell and synthesizes its genes to form new viruses.
Viruses have three main parts: their genetic material, a protein coat that will protect this genetic material called a capsid, and a lipid bilayer that will surround the entire virus, which will be its envelope.
Therefore, we can confirm that viral DNA is inserted into host DNA, and is replicated when the cell divides.
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In bpmn, organizations are modeled as pools and departments within organizations are modeled as?
In BPMN, organizations are modeled as pools and departments within organizations are modeled as swim lanes.
Process flow diagrams, often known as flowcharts, use a swim lane to visually demarcate task sharing and responsibilities for business process sub-processes. Swim lanes can be set up vertically or horizontally. In contrast to other flowcharts, the swim lane flowchart groups operations and decisions visually into lanes. Each person, group, or subprocess has its own lane in the chart, which is divided into lanes by parallel lines.Building simple-to-read business process model flowcharts that can be shared across enterprises and industries requires the usage of a business process model and notation diagram, or BPMN diagram. Flow objects, linking objects, swimlanes, and artefacts are the four basic categories under which BPMN diagram symbols fall.To learn more about swim lanes.
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The diving bell spider (Argyroneta aquatica) stores air underwater in a net of silk. Explain why this adaptation could be more advantageous than having gills, taking into account differences in gas exchange media and gas exchange organs among animals.
The diving bell spider's adaption of a silk net may be preferable to gills because it will enable it to stay submerged for a longer period of time.
What is the purpose of a hydrogel?Contact lenses, hygiene products, and wound dressings are all made with hydrogels. Hydrogels are also used commercially for tissue engineering and medication delivery. More advancements in tissue engineering and drug delivery are anticipated. Hydrogels' continued commercialisation is being constrained by their high production costs.
What benefits do hydrogels give?The benefits of hydrogels are their adaptability, versatility, stimuli-responsiveness, and soft structure. Its source, preparation, ionic charge, responsiveness, crosslinking, and physical characteristics are used to categorize it. Hydrogels are employed in a number of industries, including agriculture, the food industry, biosensors, and biomedicine.
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All viruses are composed of a ____________ made of ____________ which surrounds the inner core containing ____________ or rna.
All viruses are composed of a capsid made of proteins that surrounds the inner core containing enveloped or na-ked RNA (genetic material).
What is the viral capsid?The viral capsid is a structure that surrounds the viruses and help to them in order to infect host cells, which is composed of different type of proteins.
In conclusion, all viruses are composed of a capsid made of proteins that surrounds the inner core containing enveloped or na-ked RNA (genetic material).
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(a) Is a dark brown mouse on dark-colored soil more likely to escape predation under a full moon or with no moon?
Is a dark brown mouse on dark-colored soil more likely to escape predation under a full moon or with no moon?
On dark-colored soil; fewer dark brown mice were caught on dark soil than on light soil under a full moon.
What is mouse models with camouflage coloration?
This model simulates natural selection and adaptation in rock pocket mouse populations found primarily in rock outcrops in the deserts of the southwestern United States and Mexico. This model is based on a lesson plan designed by the [Howard Hughes Medical Institute]
The model simulates changes in coat color in a population of rock pocket mice due to predation. Mice that cannot camouflage have a higher chance of being predatory when predators are present. Users can examine how a population evolves through natural selection under different environmental conditions.
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The charge difference between the inside and outside of a cell that is not sending any impulses is known as its?
The charge difference between the inside and outside of a cell that is not sending any impulses is known as its resting potential.
Impulses are the electrical signals that travels throughout the length of a neuron in response to some stimulus. When the nerve cells are transmitting impulses, it is said to be the action potential of the cell. These impulses can between two neurons or between a tissue or some other cell and the neuron.
Resting potential is the difference in electrical gradient of the nerve cell membrane when the cell is not transmitting any impulses. The inside of the cell is usually negative than the outside. The value of resting potential is -70mV.
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From what you know about action potentials and synapses, propose two or three hypotheses for how various anesthetics might block pain.
Action potential and synapse are the part of the neuron. Anesthesia works by blocking signals in nervous system.
What are neurons?The neuron is a part of the brain. There are billions of neurons in a body. Neurons help in the transfer of impulses from one cell to another cell. The neuron is made up of a cell body, dendrites, and axons.
Neurons have chemical messengers and calcium ions help in the transfer of impulse. But during the time of anesthesia, the calcium ions are blocked and therefore it might block pain.
The nerve which transfers the message is called the presynaptic neuron and the nerve which receives the message is called the postsynaptic neuron. Various anesthetics might block pain, Membrane potential might decreases the permeability to calcium ions.
Therefore, Action potential and synapse are part of the neuron. Anesthesia works by blocking signals in nervous system.
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What tool is used to determine the probabilities of different genetic outcomes from various crosses?
The percentages of phenotypes in a cross's progeny from known genotypes can be predicted using a Punnett square.
What is Punnett square in genetics?The Punnett square is a table that lists every conceivable result of a genetic cross between two people of known genotype.
The product rule, which asserts that the likelihood of two (or more) independent occurrences.
Occurring together may be determined by multiplying the individual probabilities of the events.
Therefore, Punnett square is used to determine the probabilities of different genetic outcomes from various crosses.
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what statements correctly describe the processing of the pre-mrna that must take place to generate a mature mrna?'
The statements that correctly describe the processing of the pre-mRNA that must take place to generate a mature mRNA are:
A. Noncoding sequences called introns are spliced out by molecular complexes called spliceosomes.
C. A cap consisting of a modified guanine nucleotide is added to the 5' end of the pre-mRNA.
D. A poly-A tail (50-250 adenine nucleotides) is added to the 3' end of the pre-mRNA.
mRNA is the messenger RNA that encodes the information of the DNA. mRNA is formed by the process of transcription by the enzyme RNA Polymerase II. It carries the information to form the protein.
The question is incomplete, the complete question is:
What statements correctly describe the processing of the pre-mRNA that must take place to generate a mature mRNA ?
A. Noncoding sequences called introns are spliced out by molecular complexes called spliceosomes.
B. A translation stop codon is added at the 3' end of the pre-mRNA.
C. A cap consisting of a modified guanine nucleotide is added to the 5' end of the pre-mRNA.
D. A poly-A tail (50-250 adenine nucleotides) is added to the 3' end of the pre-mRNA.
E. Coding sequences called exons are spliced out by ribosomes.
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What scientific law explains why the moon orbits the earth
Answer:
Newton's law of gravitational attraction
Explanation:
Thi law states any particle of matter in the universe attracts with any other with a force varying directly as the product of the masses and inversely as the square of the distance between them.
Estuarine mangrove systems are second only to the tropics in primary production. true or false
Estuarine mangrove systems are second only to the tropics in primary production. Thus, the give statement is true
What is primary production?Green plants and certain microbes can change over inorganic matter into biomass utilizing energy from sun based radiation or compound energy. They are the main connection in the well established pecking order and are subsequently called the essential makers (autotrophs).
Any remaining life relies upon the energy fixed by these essential makers. The course of osmosis and obsession of inorganic carbon and other inorganic supplements into natural matter via autotrophs is called essential creation. In estimations of the essential creation of an environment the synthetic energy source is typically left away.
The aggregate sum of energy fixed in living life forms is known as the Gross Essential Creation (GPP). Through metabolic exercises of the actual plants and by heat deficit, half or more to the Net Essential Creation lessens the GPP.
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groups of tissues combine to form organs, which work together to form , which function together to accomplish a common purpose
Groups of tissues combine to form organs, which work together to form organ system, which function together to accomplish a common purpose.
What are tissues?Tissue is made up of similar cells which work together to achieve a common purpose.
Examples of tissue found in the body systems include the following:
connective tissue, epithelial tissue, muscle tissue, and nervous tissue.Organs are made up of similar tissues which also work together to achieve a common purpose.
Examples of organs found in the body include the following:
LungsHeart,Kidneys,Eye,Ear.The organ system is made up of organs that structurally function together to accomplish a goal.
Examples of organ system include the following;
respiratory system,digestive and excretory system, circulatory system, urinary system, integumentary system, skeletal system, muscular system, andendocrine system.Learn more about organ system here:
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How does the activity of tropomyosin and troponin in muscle contraction compare with the activity of a competitive inhibitor in enzyme action? (See Figure 8.18b. )
The substrate for the enzyme shares the same binding site as a competitive inhibitor. The myosin-binding sites on actin, however, are not directly contacted by the troponin and tropomyosin complex, which conceals them instead.
When muscles contract, what role do troponin and tropomyosin play?Two proteins, troponin and tropomyosin, are found on the delicate filaments of muscle cells and aid in muscular contraction.They serve opposing purposes, nevertheless. Tropomyosin prevents muscular contraction while troponin stimulates it.What function do troponin and tropomyosin serve?In vertebrate striated muscle, troponin-tropomyosin plays a role in both the transduction of calcium's effect on contractile protein activation and the inhibition of actin and myosin interaction in the absence of calcium.To learn more about muscle contraction visit:
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