The answer is teeth, but the reasons behind this dental decision remain unclear.
The Vikings were a group of explorers and seafaring pirates from Denmark, Sweden, and Norway, who visited the world from the 8th to 11th centuries.
Vikings modified their teeth in an unclear way, but archaeologists found the teeth in question among remains at Scandinavian burial sites in 2005 and England in 2009.
The teeth were deliberately grooved which might indicate victory against an opponent.
This question is multiple choice:
A teeth; the reasoning behind the decision to make this adjustment to their teeth is unclear.B teeth; consequently, the reasons behind this dental decision remain unclear.C teeth, but the reasons behind this dental decision remain unclear.D teeth; however, the reasons behind this dental decision remain unclear to archaeologistsThe correct answer is A.
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Fructose has the formula C6H12O6. How many moles of fructose are there in 0.100 g of fructose?
Considering the definition of molar mass, there are 0.00055 moles of fructose in 0.100 grams of fructose.
Definition of molar massThe molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.
The molar mass of a compound (also called Mass or Molecular Weight) is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.
Molar mass of C₆H₁₂O₆In this case, you know the molar mass of the elements is:
C= 12 g/moleH= 1 g/moleO= 16 g/moleSo, the molar mass of the compound C₆H₁₂O₆ is calculated as:
C₆H₁₂O₆= 6×12 g/mole + 12× 1 g/mole + 6× 16 g/mole
Solving:
C₆H₁₂O₆= 180 g/mole
Moles in 0.100 grams of fructoseYou can apply the following rule of three: If by definition of molar mass 180 grams of fructose are contained in 1 mole, 0.100 grams of the compound are contained in how many moles?
[tex]amount of moles= \frac{0.100 gramsx 1 mole}{180 grams}[/tex]
amount of moles= 0.00055 moles
Finally, there are 0.00055 moles of fructose in 0.100 grams of fructose.
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You are studying two populations of dung beetles, one of which rolls their dung balls at noon, resting at night, and the other of which reverses this. These could speciate due to
You are studying two populations of dung beetles, one of which rolls their dung balls at noon, resting at night, and the other of which reverses this. These could speciate due to temporal isolation.
What about temporal isolation?When two or more species reproduce at different times, this is known as temporal isolation. For instance, the same rain forest is home to three different orchid species. Each species possesses one-day-only blooms that need to be pollinated on that day in order to produce seeds.Temporal isolation prevents interbreeding between individuals from different species due to differences in timing, even if those individuals may occupy the same geographic area.When two populations have divergent reproductive cycles or active seasons, this is known as temporal isolation. For instance, because wood frogs and leopard frogs reach sexual maturity at separate periods in the spring, they are unable to hybridize.
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Which of the following statements is most accurate concerning horizontal gene transfer? A. is unlikely to have any significant effects on organisms B. would be a potent alternative to introducing new genes into species C. would not be acted upon by natural selection since it is not natural to the organism D. would not be passed on to offspring
Regarding horizontal gene transfer, would be a potent alternative for introducing new genes into species
B. would be a potent alternative for introducing new genes into speciesWhat is horizontal gene transfer?Horizontal gene transfer, or lateral gene transfer, is a process in which an organism transfers genetic material to another cell that is not its descendant.
With this information, we can conclude that Transmission is the transfer of an animated etiologic agent from a primary source of infection to a new host.
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Think about the cells in your lungs. What do they have to be able to do to function?
To line the airways and make mucus, which lubricates and protects the lung
There are numerous different cell types in the lungs. Epithelial cells make up the majority of lung cells. Mucus is produced by epithelial cells that line the airways and coat and shield the lung. Additionally, the lung cells contain blood, nerve, hormone-producing, and structural or supporting cells.
Air enters your lungs when you inhale (breath), and the oxygen in that air travels to your blood. A waste gas called carbon dioxide travels from your blood to your lungs at the same time and is exhaled (breathed out). Gas exchange is a procedure that is vital to life.
the bronchiolar epithelial cells, also known as airway cells, which are bordered with smooth muscle, and the alveolar epithelial cells, which make up the tiny sacs where gas exchange occurs
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Using the organisms you identified in part B, create a food web for the ecosystem you chose. Use this sample food web for reference, although your food web will contain fewer organisms. Note that your food web does not have to include images, but you may include them if you choose. However, be sure to include arrows to indicate the direction of energy flow in your food web. Design your food web using any method listed below: Use drawing or flowchart-building tools in a word-processing program. Hand draw your food web, and then take a picture of it. Use a graphic-design program. Using the Insert Image button, insert an image of your food web in the answer space.
The trophic web is the interaction between different organisms in which there is energy transference. In the attached example, we consider plants, caw, rabbit, bird, eagle, mountainlion, and fungi.
Note: Since you did not detailed the organisms you identified in part B, I will define what a trophic web is, and propose an example for you to understand.
What is a trophic web?The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones.
The ones placed at lower levels pass energy to the ones at the higher levels.
Organisms at each level feed on the preceding one and become food for the next one.
• The first link corresponds to a producer organism -autotroph-.
• The following links are the consumers -heterotrophs-: herbivores and carnivores.
• The last links are the decomposers that degrade organic matter from dead organisms.
Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.
Any change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.
Example.
To make the trophic web, first, you need to define the position of each of the organisms on the web.
Producer → this is the autotroph organism that takes energy from the sun or any other inorganic source → An example of this is any plant.
Consumers → heterotroph
⇒ Herbivores → These are the animals that feed on any part of the plants → Let us say we have a caw, a rabbit, and a bird.
⇒ Carnivores → These are the animals that feed on herbivores → Let us say a mountain lion and an eagle.
Decomposer → detritivorous organisms that take energy from dead matter → Fungi
So, our organisms are
plants, caw, rabbit, bird, mountain lion, and eagleFungiPlants directly provide energy to the caw, the rabbit, and the bird.
Plant >> Caw, Rabbit, Bird
The eagle takes energy from the rabbit and the bird.Rabbit and Bird >> Eagle
The mountain lion takes energy from the caw, the rabbit, the bird, and the eagle.Caw, Rabbit, Bird, Eagle >> Mountain lion
Fungi takes energy from dead organic matterPlants, Caw, Rabbit, Bird, Eagle, Mountain lion >> Fungi
You will find an image in the attached files.
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please i need help right now!
A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene.
What can he assume about the number of adenine?
He can assume about the number of adenines and their position on the sequence will be equal between the sample found at the crime scene and one sample from the suspicious individual.
What is forensics DNA?Forensics DNA refers to the techniques to identify suspicious by comparing DNA profiles with those obtained from the crime scene.
Forensics DNA may result very useful to solve criminal cases by comparing nucleotide sequence between samples.
In conclusion, he can assume about the number of adenines and their will be equal between the sample found at the crime scene and the suspicious individual.
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Many organisms have developed resistance to antibiotics. What mode of resistance has mrsa acquired?
methicillin-resistant-staphylococcus-aureus (MRSA) infection is caused by staphylococcus aureus
MRSA is resistant to the complete beta-lactam class of antibiotics. Methicillin is a member of this class of antibiotics, along with others like the more popularly prescribed penicillin, amoxicillin, and oxacillin.S.aureus also causes pneumonia, mastitis, skin infections, bone infections, and inflammation of the heart's inner lining. S.aureus becomes resistant to antibiotics like methicillin by expressing foreign proteins named PBP (penicillin-binding proteins) resistant to its action. Hence methicillin-resistant-staphylococcus aureus becomes resistant to a wide range of antibiotics makes the treatment choices very limited. The alternatives for the treatment of MRSA are dependent upon lowering the methicillin resistance.learn more about MRSA here: https://brainly.com/question/22228129
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What are the differences between bacterial chromosomes and eukaryotic chromosomes?
Prokaryotic chromosomes are found in the nucleoid, while those of eukaryotes are found inside the nucleus.
Eukaryotic cells contain a membrane-bound nucleus (as well as membrane-bound organelles), whereas prokaryotic cells have not. This is the primary distinction between the two types of cells.Bacteria have a single circular chromosome made of double stranded DNA, whereas humans have 46 chromosomes made of linear DNA. Similar to the genetic material present in all living things, this circular DNA serves to sustain bacterial growth, cellular respiration, and reproduction.Bacteria are typically thought of as genetically haploid, have a quick generation rate, and are quickly able to reach high population densities. As a result, standard genetic analysis of bacteria is much simpler than that of diploid eukaryotes.learn more about chromosomes here: https://brainly.com/question/13148765
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Which is not a method used to detect extrasolar planets? a. transit photometry b. radial velocity measurements c. direct imaging d. microscopy
Microscopy is not a method used to detect extrasolar planets.
Methods of detecting exoplanets:Any planetary body beyond the solar system that typically orbits a star other than the Sun is referred to as an extrasolar planet, often known as an exoplanet. There are 3,779 planetary systems with 3,108 confirmed exoplanets as of 1 July 2022, 826 of which contain multiple planets. The Kepler space telescope was responsible for most of these discoveries.
Exoplanets contain elements that are comparable to those found in our solar system, but their compositions of those elements may vary. Iron or carbon may dominate some planets, whilst water or ice may rule others.
The following methods have at least once proved successful for discovering an extrasolar planet or detecting an already discovered planet:
Radial velocityTransit photometryEllipsoidal variationsPulsar timingVariable star timingTransit timingTransit duration variationEclipsing binary minima timingGravitational microlensingDirect imagingLearn more about extrasolar planet here:
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Wernicke-korsakoff syndrome is associated with the decreased absorption and utilization of:______
a. protein.
b. glucose.
c. thiamin.
d. riboflavin.
Wernicke-korsakoff syndrome is associated with the decreased absorption and utilization of thiamin. The correct answer is c. thiamin..
The neurological condition Wernicke-Korsakoff syndrome is brought on by a lack of vitamin B1 (thiamin). There is no distinction between Korsakoff syndrome and Wernicke encephalopathy. The disease process is the same but at various stages. Both result from brain damage brought on by a deficiency in vitamin B1.
A prevalent deficiency in vitamin B1 is found in patients with alcohol use disorders. Additionally, it frequently affects persons whose bodies do not adequately absorb meals (malabsorption). This can occasionally happen after bariatric surgery or in conjunction with a chronic condition.
Following the disappearance of Wernicke encephalopathy symptoms, Korsakoff syndrome frequently appears. The thalamus and hypothalamus, two lower regions of the brain, are damaged as a result of Wernicke encephalopathy. Memory-related brain regions suffer permanent harm in people with Korsakoff syndrome.
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Your 70-year-old grandfather shows signs of loss of hair and some baldness. What age-related disorder do you suspect is the cause?
Which adaptations originated in some fishes and enabled vertebrates to thrive on land?
Lungs and limbs are the adaptations which originated in some fishes and enabled vertebrates to thrive on land and is therefore denoted as option B.
What is a Vertebrate?This refers to organisms which possess backbones while on the other hand invertebrates are characterized by the absence of the backbone.
The presence of limbs enabled organisms to move freely in search of food and other functions on land. The presence of lungs enables appropriate respiration on land for the survival of these organisms.
This is therefore the reason why land and limbs were chosen as the most appropriate choice.
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The options include the following:
a. Limbs
b. Lungs and limbs
c. Lungs
d. Fins
e. Lungs and fins
If you classify individuals by type of cerebral palsy, this variable would be considered.
Cerebral Palsy is often classified by severity level as mild, moderate, severe, or no CP.
What is cerebral palsy?A series of conditions known as cerebral palsy (CP) have an impact on a person's mobility, balance, and posture. The most typical motor impairment in children is cerebral palsy. Cerebral refers to something involving the brain. Palsy refers to muscle weakness or functional issues.
Main cause:Typically, a condition that interferes with a developing baby's brain in the womb results in cerebral palsy. These include periventricular leukomalacia, which is damage to the white matter of the brain, possibly as a result of a decreased blood or oxygen supply (PVL)Life expectancy of a person with cerebral palsy ranges from 30 years to 70 years.
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Inherited disease can be caused by damage to DNA caused by _________.
DNA Polymerase
B. Okazaki fragments
C. ozone
D. radiation
Inherited disease can be caused by damage to DNA caused by radiation (option D).
What is mutation?Mutation is any heritable change of the base-pair sequence of genetic material.
Mutation is a gradual change in the genetic sequence of a nucleic acid that can occur through the following ways;
Replication errors RadiationMutagensRadiation is the process of radiating waves or particles like X-ray, electron particles.
Therefore, inherited disease can be caused by damage to DNA caused by radiation.
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Certain foraminifera (shelled protozoa) have inconsistent fossil records. Which mode of evolution do they represent? A. adaptive radiation B. phyletic gradualism C. punctuated equilibrium
Certain foraminifera (shellless protozoa) have inconsistent fossil records. The mode of evolution they represent is punctuated equilibrium.
C. punctuated equilibriumWhat punctuated balance?Punctuated equilibrium is an evolutionary theory proposed by North American paleontologists Niles Eldredge and Stephen Jay Gould in 1972, which proposes that most populations of sexually reproducing organisms experience little change over geologic time, and when evolutionary changes in phenotype occur , they occur in a rare and localized way in rapid speciation events called cladogenesis.
With this information, we can conclude that in gradualism mutations occur slowly and gradually so that the appearance of new species occurs in a subtle way. In turn, in punctuated equilibrium, mutation rates are faster and when a new species appears, this event occurs in small jumps.
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On the basis of clinical trials, the probability of efficacy of a new drug is:_______
On the basis of clinical trials, the probability of efficacy of new drug is 0.81. According to efficacy trial data which select patients for treatment under advantageous conditions for short time period.
Drug is a chemical substance that causes a change in an organism's when it consumed and it can benefited ( uses as a medicine) or it can be harmful. For this reason drug is tested on the bases of trial.
The main purpose of clinical drug testing to check for drug use and misuses, so that it promotes safety,etc.It used to treat cure, prevent or diagnosis a disease.
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Does a person in need of an organ transplant have a moral right to obtain that transplant, supposing the availability of the needed organ?.
Answer:
The principle of “Do no harm.” The only way that removing an organ from someone seems morally defensible is if the donor chooses to undergo the harm of surgery solely to help another.
Measures of events that occur in the brain and other parts of the nervous system are called ________ measures.
Measures of events that occur in the brain and other parts of the nervous system are called neuronal measures.
Information is transmitted via neurons. They communicate between various brain regions and between the brain and the rest of the nervous system through electrical impulses and chemical signals. The intricate circuits of the nervous system are built from originally erroneous neuronal connections, and neural activity is essential for this process. Many common neurodevelopmental diseases, ranging from subtle learning deficits to severe developmental delay, may be caused by disruptions in the development of these specific circuits.The second most well-known method for capturing cerebral activity is electroencephalography, or EEG.learn more about neuronal here: https://brainly.com/question/11538106
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While watching the high school football game from the stands, Jeremiah notices a blurry figure in the corner of his eye go behind the concession stand. What best describes this phenomenon
The figure's picture activates Jeremiah's rods, producing a less-detailed image.
this phenomenon is due to rods and the cones.
What are rods and cones?Rods
In the retina, rods are a particular kind of photoreceptor cell. They help humans see well in low light because they are sensitive to light intensities.
Cones are 500–1,000 times more light-sensitive than rods.Peripheral vision is provided by these structures, which are concentrated in the retina's outer regions.Cones
In the retina, cones are a particular kind of photoreceptor cell. They enable us to see in color.
The macula, the region of our retina where cones are concentrated, helps us see small details.There are approximately 6 million cones and 120 million rods in the retina.To learn more about rods and cones with the help of the given link: https://brainly.com/question/18845566
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Imagine you are designing a movie or video game monster based off of the tongue-eating isopod. Describe how you would translate this real-world creature into a fictional monster. You can use elements of the other parasites discussed in the article and chapter.
The processes involved in game design are:
pre-production, production, post-production.What is a Game Design?This refers to the use of design to create video games from start to end to be appealing to gamers.
Hence, we can see that your question is incomplete so I gave you a general overview to help you get a better understanding of how games are designed.
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Within the mesohyl of a sponge are small rigid structures that act like an endoskeleton, providing structural support for the sponge. What are these called
Spicules are small rigid structures that act like an endoskeleton, providing structural support for the sponge within the mesohyl of a sponge
The "bricks" or structural elements of a sponge are known as spicules, and each species has its own distinct range of spicule sizes, forms, and compositions. When combined, these characteristics can be examined under a microscope to ensure correct identification. Either calcium or silica makes up spicules.
The only skeleton in soft sponges that encrust such hard surfaces as rocks is an internal gelatinous matrix called the mesohyl, which serves as an endoskeleton in the majority of sponges. The mesohyl is typically strengthened by spongin fibers, mineral spicules, or both. Spicules serve as the skeleton and support system for sponges. Additionally, they offer defense against predators.
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what is the difference between mitosis and meiosis
Neurons in the LGN have __________ receptive fields. center-surround side-by-side columnar ill-defined ambiguous
Neurons in the LGN have center-surround receptive fields. center-surround side-by-side columnar ill-defined ambiguous.
What is neuron?Neurons are used to transmit information. Through electrical impulses and chemical signals, they communicate both inside the brain and between the brain and the rest of the nervous system. Neurons are the fundamental building components of the brain and nervous system. They are the cells that take in sensory data from the outside world, transmit motor commands to our muscles, and at each step along the way, transform and relay electrical impulses. Although the majority of neurons are found in the central nervous system, numerous sensory neurons are also found in sensory organs like the retina and cochlea.Neurons are nervous system cells that communicate information to other nerve, muscle, and gland cells. Axons, dendrites, and a cell body make up the majority of neurons. The nucleus and cytoplasm are found inside the cell body.Learn more about neuron here:
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When oil is burned in a power plant, the _____ energy of the oil is converted into heat, which increases the _____ energy of the water.
When oil is burned in a power plant, the potential energy of the oil is converted into heat, which increases the kinetic energy of the water.
Burning oil can produce thick black plumes that disperse downwind as they rise into the atmosphere, potentially impacting air quality. Once the fires are out, oily residues in the water can cause environmental damage.
Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines. The energy conversion goes from chemical energy stored in the fuels, to heat energy as it burns which is converted to kinetic energy as it drives large turbines which generate electricity.
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[OSS.03]A solar wind is an event during which solar activity increases due to the emission of charged particles by the sun's outer atmosphere. Which of these is most
likely to happen during a solar wind?
A) communication satellites may transfer data faster
B) satellite based internet services may be disrupted
C) the auroras will not be visible at any location on Earth
D) electric current will not be supplied to any location on Earth
Would likely happen during a solar wind satellite-based internet services could be disrupted
B) Satellite-based internet services may be disruptedWhat is solar wind?The solar wind is a continuous flow of particles consisting mainly of protons and electrons, which escape the gravitational pull of the Sun. These particles are energized by high temperatures in the corona, these particles leave the sun at speeds ranging from 300 to 800 km/s.
With this information, we can conclude that Upon reaching Earth, they can cause geomagnetic storms and damage to electrical appliances, interference with telecommunications, changes in satellite orbits due to heating and change in altitude of the upper layers of the atmosphere, among others.
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What would you predict would be the result of a cell bypassing the spindle assembly checkpoint before it is appropriate?
The process inactivated the checkpoint arrest even through the damaged persists. Spindle assembly checkpoint before is result in cells existing mitosis without forming a spindle or segregating their chromosome.
During 3rd checkpoint M-phase and called the spindle checkpoint and chromosomes attach to mitotic spindle, sometime more than one chromosome is attached. Cell cycle checkpoint cant determine the cell will divide. The progression of cell to the next stage in the cycle can halted conditions are favorable.
The cell division under the conditions where it was wrong to do so. Unreplicated chromosome could be put through mitosis. If the daughter cells are ignored the checkpoint and divided there would soon be abnormal mass of cells.
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what is ribosomes ??
Answer:
Definition. A ribosome is an intercellular structure made of both RNA and protein, and it is the site of protein synthesis in the cell.
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The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (Choose the most accurate term.)
The close contact between newborns and family members allows them to become colonized with microbes that become established as their microbiota.
What is microbiota?The microbiota refers to the microorganisms that form part of the digestive system of an individual.
Newborns do not have microbiota and they acquire it by contact with family members.
In conclusion, the close contact between newborns and family members allows is required for the establishment of the microbiota.
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Clonal interference doesn't occur in the human species. Why?
Answer:
In a small population with a small to modest mutation rate, the establishment of a beneficial mutation is an extremely rare event so clonal interference is unlikely to occur, and the distribution of mutations that fix are simply the distribution of mutations that establish.