The most common explanation for dysregulation of circadian rhythm in modern society is blue light from device screens
Blue light from device screensWhat happens if the circadian rhythm is dysregulated?The most frequent symptoms are insomnia and drowsiness, decreased vitality and performance, which may increase the risk of accidents at work, increased rate of breast, colorectal and prostate cancer, increased blood pressure, increased gastrointestinal disorders and problems reproductive.
What are the effects caused by blue light?Using electronics that emit blue light for more than 6 hours a day can cause headaches, eye strain and premature retinal aging. There are two types of blue light: turquoise and violet.
With this information, we can conclude that Circadian rhythms are physical, mental, and behavioral changes that follow a 24-hour cycle.
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Why does strength and contrcation increase somwhat after a few stimulation/contraction events?
The muscle generates stress during the contraction phase, which is accompanied by the cycling of the cross bridges. During the relaxation phase, the muscle lengthens back to normal.
All of the muscle fibers connected to that motor neuron will contract as an action potential moves down the motor neuron. A muscle twitch is the contraction caused by a single action potential. A single muscle twitch consists of three parts. the contraction phase, the relaxation phase, and the latent period, often known as the lag phase. The action potential reaches the muscle, and the latent period is the brief (1-2 msec) interval before tension is seen in the muscle. This period of time is necessary for calcium to diffuse out of the SR, bind to troponin, transfer tropomyosin away from the active sites, build cross bridges, and pick up any slack in the system.learn more about contraction phase here: https://brainly.com/question/26765109
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The ________ are teeth with flattened crowns and prominent ridges that are adapted for grinding, crushing, and mashing.
The molars are teeth with flattened crowns and prominent ridges that are adapted for grinding, crushing, and mashing.
Your largest teeth are called molars. Their role in grinding, mashing, and crushing food is comparable to that of the premolars. Molars are ideal for this task since they have a broad, flat biting surface.
The other three primary categories of teeth are :
Eight teeth in the front center of your mouth are called incisors. When a youngster is between the ages of six and eight, they normally obtain their first set of adult teeth. The teeth you use to bite into food are called incisors.
Canines: The following teeth to erupt in your mouth are your canines. They are your four sharpest teeth and are used to rip apart food. You have four of them.
Premolars - Food is torn and crushed by premolars. Premolars, in contrast to your incisors and canines, have a flat biting surface. You have a total of eight premolars.
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A researcher most likely prepared two versions of a survey with different question sequencing to address the issue of
A researcher most likely prepared two versions of a survey with different question sequencing to address the issue of question order.
What is a science question?A science question is any type of research inquiry that is used to provide a plausible explanation (hypothesis) which is tested by using the scientific method.
The scientific method is a series of steps by which experimental and/or observational evidence is collected to answer a given question.
In conclusion, a researcher most likely prepared two versions of a survey with different question sequencing to address the issue of question order.
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If 10 W/m2 impacts a surface and only 3 W/m2 is reemitted back, what is the surface's albedo as a percent?
Numerical Answers Expected!
The surface's albedo of the incident light as a percent is determined as 30%.
What is surface's albedo?
The surface albedo quantifies the fraction of the sunlight reflected by the surface of the Earth.
The surface's albedo of the body is calculated as follows;
surface albedo = intensity of light reemitted / total intensity of light on the surface
As fractionsurface albedo = 3/10 = 0.3
As percentagesurface albedo = 0.3 x 100% = 30%
Thus, the surface's albedo of the incident light as a percent is determined as 30%.
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What structure is not perfused as blood flows from the venae cavae to the pulmonary veins?
Left anterior descending artery is not perfused as blood flows from the venae cava to the pulmonary veins.
Blood is supplied to the front of the left side of the heart by the left anterior descending artery, which arises from the left coronary artery.The left coronary artery's circumflex artery splits off and surrounds the heart muscle. The lateral side and rear of the heart both receive blood from this artery.The right atrium receives blood from the body that is low in oxygen from the inferior and superior vena cava. Right ventricular blood is transported by the pulmonary artery into the lungs, where it is infused with oxygen. The left atrium receives blood that is oxygenated from the pulmonary veins.learn more about venae cava here: https://brainly.com/question/3906038
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Left anterior descending artery structure is not perfused as blood flows from the venae cavae to the pulmonary veins.
What is left anterior?When something interferes with the signal of your heartbeat at the left anterior fascicle of your left bundle branch, it is known as a left anterior fascicular block. As a result, the left ventricle of your heart contracts after the right ventricle.Left anterior fascicular block (LAFB), which causes scarring in a portion of the left ventricle, is a disease of the heart that may not be as benign as currently believed and may raise the risk of heart failure, sudden cardiac death, or atrial fibrillation.Left bundle branch block occurs seldom in young, healthy individuals. If you don't have any other underlying heart issues, this illness appears to have little impact on how long you survive. If your heart is unaffected by any other diseases, you might not even need treatment.Blood is supplied to the front of the left side of the heart by the left anterior descending artery, which arises from the left coronary artery. The left coronary artery's circumflex artery splits off and surrounds the heart muscle. The lateral side and rear of the heart both receive blood from this artery.Learn more about Left anterior here:
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Nevus, also known as a mole, is a small dark skin growth that develops from melanocytes in the skin. _____ are atypical (meaning abnormal) moles that can develop into skin cancers.
Nevus, also known as a mole, is a small dark skin growth that develops from melanocytes in the skin. dysplastic nevi are atypical (meaning abnormal) moles that can develop into skin cancers.
These are unusual-looking moles that have formless features when observed under a microscope and their presence means that there is an increased risk of melanoma.
What is a Skin Disease?This refers to the growths on the skin that is caused by foreign substances and develops into melanocytes.
Hence, we can see that dysplastic nevi are atypical (meaning abnormal) moles that can develop into skin cancers.
They can appear benign but they are abnormal and they have formless features when observed under a microscope and their presence means that there is an increased risk of melanoma.
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The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of _______.
The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of transposition of the Ds elements out of the color gene.
Extrachromosomal loops that do not adequately mate with their homolog can be used to identify duplications and deletions during meiosis.
What is and example of a gene?
The definition of a gene is a unit on a chromosome that determines a specific trait in an organism, or a male's name. An example of a gene is a chromosome unit that determines a person's eye color. An example of a man named Gene is the actor Gene Wilder.What are the 4 types of genes?
There are four different chemical types: A, C, T, and G. A gene is a segment of DNA composed of an As, Cs, Ts, and Gs sequence. Every cell in your body contains about 20,000 of your genes due to how little they are.Learn more about gene.
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You perform a cell free translation experiment like nirenberg and matthaei. you start with 60 and 40. what relative amount of radiolabeled proline do you expect in the translated polypeptides?
36 % of radio-labeled proline can be expected in the translated polypeptides. Pro-line is 10% of amino acid in collagen such as bone broth, chicken wings, pork rinds, gelatin.
During pre-mRNA proceed to form mature mRNA molecules can be translated to build the protein molecules like polypeptide encoded by original gene. Pro-line is unique that only amino acid where the side chain is connected to the protein backbone twice and form a five membrane nitrogen containing ring.
Polypeptide is bio-material composed of repeating amino acid units which linked by a peptide bond. Translation involves in decoding a messenger RNA and using its information to build polypeptide.
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Stimulation of what area causes contraction of muscles on the opposite side of the body?
Stimulation of Myofibrils present in the Muscle causes contraction.
A muscle contraction occurs when the Action Potential travels along the nerves thereby leading to contraction.
The action potential generated at the muscle occurs due to the release of Acetylcholine through the motor neuron. Calcium ions from the sarcoplasmic reticulum of the muscle are released on detection of action potential leading to the further events of muscle contraction by shortening of the length of the sarcomeres running along the length of the myofibrils.
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What are the odds of finding the energy concentrated on just a few molecules in a macroscopically-measurable sample?
The odds of finding the energy concentrated on just a few molecules in a macroscopically-measurable sample are very less likely.
If energy was only concentrated onto one molecule, the law of entropy is not followed because the system becomes organized into that one molecule only and the other molecules do not have energy. Due to the property of entropy, the energy will more likely be spread among all molecules rather than just one molecule.
Free atoms have greater entropy than molecules. The entropy of a substance increases with its molecular weight and complexity and with temperature.
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As you go deeper underground, rock sediments become more compact. this causes a(n) _______ in the permeability of most aquifer soils as you go deeper in the aquifer
As you go deeper underground, rock sediments become more compact. this causes a(n) decrease in the permeability of most aquifer soils as you go deeper in the aquifer.
Pore connectivity is gauged by a material's permeability. The passage of groundwater through the sediment or rock is made possible by the interconnection of pore spaces. An effective aquifer is a rock unit or sediment that holds useable groundwater. A good aquifer combines water storage (porosity) and flow (permeability). The main factor governing fluid flow in the Earth's crust is permeability, which typically decreases with depth. Sandstone, conglomerate, fractured limestone, and unconsolidated sand and gravel are examples of the types of rock that make up aquifers and must be both permeable and porous. In groundwater, permeability is the most crucial factor. How easily water can pass through rock or loose silt is referred to as permeability.learn more about aquifer here: https://brainly.com/question/15921008
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What does the stomach have in common with the blood vessels, the arrector pili muscles, and the bronchioles?
Arrector pili muscles stomach have in common with the blood vessels.
The appendageal structures of the skin include the hair follicle, sebaceous gland, the apocrine gland, and the arrector pili muscle (APM), these structures are all located in the dermis and are functionally and anatomically related.
The contraction of these muscle are involuntary, in response to Stresses such as cold, fear .Thick skin also contains no arrector pili muscles, which cause goosebumps. Thick skin is thicker because it contains an extra layer in the epidermis, called the stratum lucidum.
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The stimuli causing endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients are called __________
The stimuli causing endocrine glands to secrete their hormones in direct response to changing blood levels of certain critical ions and nutrients are called Humoral stimuli.
Humoral stimuli refer to the control of hormone release in response to changes in extracellular fluids such as blood or the ion concentration in the blood. For example, a rise in blood glucose levels triggers the pancreatic release of insulin.
The term humoral is derived from the term humor, which refers to bodily fluids such as blood. Insulin causes blood glucose levels to drop, which signals the pancreas to stop producing insulin in a negative feedback loop.
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The behaviors and attitudes that a society considers proper for its males and females are known as.
The behaviors and attitudes that a society considers proper for its males and females are known as Gender.
What is Gender?How can you tell visually whether a baby is a boy or a girl when you see one? You can search for a girl's bow or outfit, or you might just observe the pink attire. In order to identify a child's sex in elementary school, you would look at the child's hairstyle and clothing choices. By middle and high school, you would start to notice physical traits and differences, such as disparities in the average heights of the sexes and changes in the facial hair and voice patterns for young men and young women, respectively.
Teenagers' physical traits are mostly influenced by their DNA, as well as their reproductive systems and hormone production as a result.
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Hich root does not refer to an endocrine gland?
which root does not refer to an endocrine gland?
ket/o
If cardiac muscle cells were prevented from undergoing aerobic metabolism, they ultimately would ________.
Answer:
If cardiac muscle cells were prevented from undergoing aerobic metabolism, they ultimately would stop contracting.
A group of biologists would like to recreate suitable habitats for wildlife in a particular area. they would also like to help fight climate change. to achieve these goals, the biologists decide to increase the density of trees and the canopy thickness in the area. which biodiversity restoration method should the biologists use?
The method the biologists should use is Reforestation.
What is Reforestation and how it is important?Reforestation is one of the land regeneration methods. It is a natural or a man-made process of replanting trees in a particular area. Normally, plants can grow independently due to dispersed seeds, but forest land gets degraded badly, so intentional reforestation needs to be done. This process has the following advantages:
It increases the density of trees in that area.
It increases the canopy thickness in that area.
It rebuilds a suitable habitat for wildlife.
It helps in fighting climate change.
It helps in bringing rain timely.
It helps in fighting environmental pollution.
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What is the composition of the tracts in the cns that link the brain with the rest of the body?
Tracts in the CNS that link the brain with the rest of the body are composed of sensory and motor pathways.
Neural pathways called tracts can be found in the brain and spinal cord (central nervous system). Each tract runs bilaterally, either in a hemi section of the spinal cord or on each side of the cerebral hemisphere. A few of the tracts decussate, or crossover, to move downward or upward on the obverse side.Neurons synapsing onto one another create tracts, and based on where and how they are arranged inside the tract, these neurons can be categorized as first-order, second-order, or third-order neurons.Sensory neurons and motor neurons are both a part of the peripheral nervous system (PNS), which is made up of neurons and neuronal fragments outside of the central nervous system. Motor neurons transport messages from the CNS while sensory neurons bring signals into the CNS.learn more about CNS here: https://brainly.com/question/2114466
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How many atp molecules are consumed in the hexose stage of glycolysis for every one molecule of glucose?
Three ATP molecules are consumed in the hexose stage of glycolysis for every one molecule of glucose.
What is glycolysis?The metabolic process that turns glucose into pyruvic acid is known as glycolysis. The high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotide are created using the free energy released during this process. A series of ten enzyme-catalyzed processes make up glycolysis.The process by which glucose is broken down to provide energy is known as glycolysis. There is no need for oxygen throughout the process, which occurs in the cytoplasm of a cell. Both aerobic and anaerobic creatures experience it.The initial process in breaking down glucose to release energy for cellular metabolism is called glycolysis. An energy-consuming phase and an energy-releasing phase make up glycolysis.Learn more about glycolysis here:
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Differences between sexual vs asexual reproduction
Asexual:
One parent
Identical offspring
Less developed organism
Faster time period to produce
Sexual
Two parents
Unique offspring (genetic variation)
More complex organism
Slower time period to produce
Streams that disappear into sinkholes are a sure sign of karst land.
Select one:
True
False
Answer:
Explanation:
true
Why are amphibians known as the ""planet’s greatest survivors""? How have they evolved over time?
Amphibians are referred to as the "planet's greatest survivors" because they have repeatedly avoided extinction over the course of 400 million years.
How did the amphibians survive?
Over the years, the amphibians have had to adapt to various surroundings. Small animals called amphibians require water or a moist environment to exist. This group of species includes newts, salamanders, toads, and frogs. All have extremely thin skin that allows them to breathe and absorb water. Additionally, amphibians have unique skin glands that create functional proteins.
According to fossil evidence, amphibians descended from lobe-finned lungfish about 365 million years ago. They were very successful since they were the first terrestrial vertebrates. Some of them were considerably bigger than modern-day amphibians. The predominant group of land vertebrates for more than 100 million years was amphibians.
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Which lobe of the brain is associated with personality and intellectual functioning?
Economic growth provides society ______. multiple select question. greater material abundance fewer goods and services more goods and services higher living standards a lower quality of goods
Economic growth provides society more goods and services.
So, option third is correct one.
The economic growth increases state capacity and the supply of public growth. When economies grow , states can tax that revenue and gain the capacity and resources that needed to provide public goods and service that citizen needs like education , healthcare facilities , social protection and other basic public services which helps in development of the societies. It can also increases in capital goods , labor force , technology, and human capital can all contribute to economic growth.
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It is important to maintain septic systems in order to _______. a. prevent treated sewage from contaminating groundwater b. process human waste into fertilizer c. prevent untreated sewage from contaminating groundwater d. none of the above please select the best answer from the choices provided a b c d
Answer:c prevent untreated sewage from contaminating groundwater
Explanation:That would mean the ground water would then be dirty and undrinkable
Based on your understanding of fruit fly phenotypes, which tobacco plant phenotype would be considered the wild type phenotype?
Based on the understanding of fruit fly phenotypes, the wild type phenotype of tobacco plant shows following characteristics:-
The stem is thick and not much branched.The leaves of the plant are lanceolate, tapering on both the ends, yellowish-green above and paler beneath.The plant has sticky hair on all of its parts.And the flowers are lavender-blue with yellow stamens, in compact clusters at ends of branches.A wild type phenotype is the one that predominates in a natural population of organisms in contrast to that of laboratory mutant forms. For example-the physical appearance of wild type flies includes red eyes, yellow-brown body color, as well as transverse black rings across their abdomen.
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Judging and evaluating advertisements requires critical thinking because _______. a. advertisements can contain confusing, misleading information b. all advertisements contain false information c. advertisers always want to convince consumers to buy unnecessary items d. truth in advertising laws ensure the accuracy of information in advertisements please select the best answer from the choices provided a b c d
Judging and evaluating advertisements requires critical thinking because advertisements can contain confusing, misleading information.
How can advertisements be misleading?Advertising is considered deceptive under consumer law if it contains false, misleading, or deceptive material that is likely to persuade the typical consumer to behave in a way they might not have otherwise. Advertising may also be deemed deceptive if it omits crucial details that the typical consumer would require to make an informed choice. Manufacturers, distributors, and retailers may make false statements to consumers directly or through catalogs, websites, commercials, and other media.
Examples of misleading advertisements:
Misrepresentation of how the product or service is delivered, such as when free delivery is claimed yet there is really a price or payment for delivery.Any part of the advertising is misrepresented, such as when the company is falsely claimed to be a member of a trade association.Even if the information in the advertisement is accurate, it nevertheless gives the viewer a false image of the good or service.Learn more about misleading advertisements here:
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A
Judging and evaluating advertisements requires critical thinking because advertisements can contain confusing, misleading information, i just took the test
PLEASE HELP!!!
Read the scenario.
An ecologist is studying the ecosystems on a mountain slope
following a volcanic eruption. In the first year, the ecologist
observes that most of the slope is covered in ash and debris
and very few trees and shrubs survived. The ecologist also
observes no wildlife in the area. The ecologist wonders if the
ecosystem can recover.
The ecologist reads records of primary succession following
other volcanic eruptions and learns that certain organisms tend
to colonize the land first. In the following years, the ecologist
observes a few lichens growing on bare rocks and then a few
hardy grasses. Ten years after the eruption, the ecologist
surveys the landscape and finds small wildflowers, grasses, and
insects.
Which question most closely relates to the ecologist's
observations and collected data?
A. How many years will it take for the mountainside
ecosystem to return to its original state?
B. What reproductive strategies do plants use to grow
following a volcanic eruption?
C. Do the plants on the mountainside have a disease?
D. Where did all of the mammals go?
Answer:
probably A.
Explanation:
if I face the question A. I would answer more ten years so I think A. can fit.
B. can not be true because the most related answer would be about some organisms not plants so A. is the best choice.
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_____ is a hormone associated in boys with genital development, increased height, and a deepening of the voice
Answer:
testosterone is the hormone associated with male puberty.