coronaviruses are a family of viruses so named because of the characteristic appearance of their_____when visualized by scanning electron microscopy.

Answers

Answer 1

The coronavirus family of viruses got its name from the way scanning electron microscopy revealed their distinctive spikes, which resembled a "crown" and encircled the outer layer.

What is the coronavirus?

Coronavirus disease (COVID-19) is an infectious illness brought on by the SARS-CoV-2 virus.

Most virus-infected individuals will experience mild to severe respiratory disease and recover without the need for special care. But some people will have severe illnesses and need to see a doctor. People who are older and those with underlying medical illnesses including cancer, diabetes, chronic lung disease, or cardiovascular disease are more prone to experience serious illness. COVID-19 can cause anyone to become very ill or pass away at any age.

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Related Questions

phenylketonuria is one of the most common receesive genetive disorders in humans. infants with pku are missing an enzyme called phenylalnie hydroxlyase, needed to

Answers

Phenylketonuria (fen-ul-key-toe-NU-ree-uh), also known as PKU, is an extraordinary inherited sickness that reasons an amino acid known as phenylalanine to accumulate within the frame. PKU is as a result of a alternate in the phenylalanine hydroxylase (PAH) gene. This gene allows create the enzyme wished to break down phenylalanine.

PKU is due to mutations in the gene that facilitates make an enzyme known as phenylalanine hydroxylase (suggested fen-l-AL-uh-neen  hahy-DROK-suh-leys), or PAH. This enzyme is needed to convert the amino acid phenylalanine into other materials the frame wishes.

Phenylketonuria (PKU), as a result of versions inside the phenylalanine hydroxylase (PAH) gene, is the most not unusual autosomal-recessive Mendelian phenotype of amino acid metabolism. We estimated that globally 0.forty five million individuals have PKU, with global prevalence 1:23,930 live births (range 1:four,500 [Italy]–1:a hundred twenty five,000 [Japan]).

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High levels of circulating glucocorticoids (GC) activate the?

a) allostatic response
b) HPA (hypothalamic-pituitary-adrenal)
c) homeostatic response

Answers

High levels of circulating glucocorticoids (GC) activate the HPA (hypothalamic-pituitary-adrenal).

The hypothalamic-pituitary-adrenal (HPA) axis, an intricate yet robust neuroendocrine mechanism that mediates the effects of stressors by regulating numerous physiological processes such as metabolism, immune responses, and the autonomic nervous system, is a key component of the homeostatic response (ANS). The hypothalamus, anterior and posterior pituitary glands, and adrenal cortex are the three primary components of the HPA axis.

The hypothalamic-pituitary-adrenal (HPA) axis, which regulates stress hormones such as glucocorticoids and, in particular, cortisol, may be involved in this process.

Corticosteroids, which are steroid hormones, are a subclass of glucocorticoids. Glucocorticoids are corticosteroids that bind to the glucocorticoid receptor, which is found in nearly every cell of a vertebrate animal.

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Someone who points out that persons with polio would be far less disabled if sidewalks were constructed with wheelchair users in mind is...

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Someone who points out that persons with polio would be far less disabled if sidewalks were constructed with wheelchair users in mind is B) using a sociological mode of disability.

What does polio do to a person?

Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person's spinal cord, causing paralysis (can't move parts of the body).

What is the sociological mode of disability?

The social model sees ‘disability’ as the result of the interaction between people living with impairments and an environment filled with physical, attitudinal, communication, and social barriers. It, therefore, carries the implication that the physical, attitudinal, communication, and social environment must change to enable people living with impairments to participate in society on an equal basis with others.

Thus, option B) using a sociological mode of disability is the correct answer.

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Which of the following is NOT a requirement for reducing prejudice through intergroup contact? A. The contact between the groups is supported by law, custom, or a respected authority figure. B. The contact requires some level of cooperation C. Both groups must share a common goal. D. One group must be a minority and one must be a majority group.

Answers

The answer is (D) One group must be a minority and one must be a majority group is not a requirement for reducing prejudice through intergroup contact.

According to the contact hypothesis, intergroup contact can successfully lessen prejudice between members of the majority and minority groups under the right circumstances. This idea is supported by research in psychology and other social sciences. Policymakers and social scientists began to focus on the political ramifications of interracial contact after World War II and the desegregation of the military and other public institutions. Under the umbrella of intergroup contact theory, social psychologist Gordon Allport brought together early studies in this area.

The most commonly used version of the idea was laid out in Allport's 1954 book The Nature of Prejudice. According to Allport's hypothesis, human contact may be one of the most efficient ways to lessen prejudice between members of the majority and minority groups under the right circumstances.

By Allport, effectively managed contact should lessen the stereotyping, bias, and discrimination that frequently take place between competing groups and improve intergroup relations.

The contact hypothesis is a psychological theory that argues that through interacting with one another, prejudice and conflict between groups may be decreased.

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Which of these people is struggling with drug abuse?

Answers

Answer: Cocaine is the second-most popular drug among Americans, with people admitting to having used the drug within their lifetime.

Explanation:

fad diets are successful in the short term because they:

Answers

Answer:

don't change the thinking and poor decision making behind the original choices. Thins means that you will end back on the same trends asbefore the fad diet.

Explanation:

a month ago, jason lost his job due to circumstances beyond his control and he is very concerned about his financial situation. since then, he has learned that his wife will not be able to return to the united states because she cannot get her green card, and that his rent-controlled apartment is being sold so he must find another place to live. given what happens when people feel unable to control their environment, which of these is happening to jason? please choose the correct answer from the following choices, and then select the submit answer button. answer choices his immune response is dropping. his blood pressure is decreasing. his stress hormone levels are depressed. he is less vulnerable to disease.

Answers

Jason lost his job and later figured that his wife will not be able to return to United States, he felt uncontrollable and this suggests that his immune response is dropping.

When a person, in this case Jason undergoes stress due to various factors such as losing a job, staying away from family and forced to relocate, it take a toll on the body mentally and physically.

Physically, the immune response of the body starts dropping and gets hampered. Long term stress causes alteration of Type 1 and Type 2 cytokine balance. This causes low grade chronic inflammation and suppresses functions of immuno-protective cells.

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while auscultating a client's abdomen, the nurse hears the client's stomach growling. the nurse knows that this is which type of bowel sound?

Answers

While auscultating a client's abdomen, the nurse hears the client's stomach growling. The nurse knows that this is Borborygmus.

Borborygmi are sounds produced by your gastrointestinal tract. These rumbling or growling sounds are a normal part of digestion. A stomach rumble, also known as a bowel sound, peristaltic sound, abdominal sound, bubble gut, or borborygmus, is a rumbling, growling, or gurgling sound caused by the movement of the contents of the gastro-intestinal tract as they are propelled through the small intestine by a series of muscle contractions known as peristalsis.

Excess gas in the intestine can result from incomplete digestion of food. When one is hungry, louder rumbles may occur. When air is swallowed while talking, eating, or drinking, stomach rumbles can form further along the gastrointestinal system. This is a common occurrence in most people.

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What steps can we take to deter threats to our personal
safety and prevent physical or emotional injury?

Answers

Seek support. In stressful times, you can find peace by talking to people who support you

Be kind to yourself
Set small goals
Consider filing a protective order

Hope this helps:)

dietary habits, influenced by society and personal choices, are developed over a

Answers

Dietary habits influenced by society and personal choices are developed over a Lifetime.

During this period, children's food preferences are influenced not only by parental models but also by food availability accessibility, and familiarity. Therefore in order for children to learn to like and make healthy food choices they need to experience those foods early and actively. Diet is the most important predictor of health outcomes in the modern world.

A major predictor of early mortality and the only major predictor of the overall risk of chronic disease. Conversely, overall diet quality is the only major predictor of longevity and vitality. A disaccharide consisting of a glucose molecule and a fructose molecule linked together. Also called table sugar. A chemical bond between two monosaccharides that cannot be broken by human intestinal enzymes.

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which g.v. black classification of caries would most likely have a restoration that could be abbreviated mflc on tooth

Answers

Class III g.v. black class of caries could maximum in all likelihood have a recovery that would be abbreviated mflc on teeth.

Class III – This sort of hollow space happens for your incisors and canines, however most effective wherein there's no 'angle' to the teeth. They additionally arise most effective at the proximal floor of the the front tooth. Class IV – This shape of hollow space happens at the biting floor of the incisors and canines. Class I restorations repair defects at the occlusal floor of posterior tooth, the occlusal thirds of the facial and lingual floor of molars, and the lingual surfaces of maxillary anterior tooth.

Class II restorations repair defects that have an effect on one or each of the proximal surfaces of posterior tooth Class I: Carious lesions at the Occlusal regions or Buccal regions or Lingual Pits at the teeth floor. Class II: Carious Lesions at the Posterior occlusal and inter-proximal surfaces of the teeth. Class III: Carious Lesions at the Anterior inter-proximal surfaces of the teeth.

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____ energy comes from heat underneath the Earth's surface that is carried to the surface through water or steam and can be used to generate electricity and provide cooling or heating.
a Biomass
b Geothermal
c Hydro
d Wind

Because ecosystems interact with each other, pollution, toxins, and environmental damage can move between ecosystems.
True
False

Answers

Answer:

Question 1: Geothermal Energy.

Question 2: True.

Explanation:

Question 1 Explain: Geothermal energy is the heat produced deep in the Earth's core. Geothermal energy is a clean, renewable resource that can be harnessed for use as heat and electricity.

Question 2 Explain: Pollutants such as sulphur can lead to excess levels of acid in lakes and streams, and damage trees and forest soils.

Using the system developed by Campbell and Stanley, which of the following designs combines the elements of a nonequivalent control group design and an interrupted time series design?

Answers

The system developed by Campbell and Stanley, which of the following designs combines the elements of a nonequivalent control Correlational.

Nonequivalent” suggest? in a single feel, it just means that assignment to organization become not random. In different phrases, the researcher did now not control the venture to groups via the mechanism of random mission. As a end result, the organizations can be unique prior to the study.

A nonequivalent groups layout , then, is a among-subjects layout wherein members have no longer been randomly assigned to conditions. consider, for example, a researcher who wants to compare a new approach of teaching fractions to 0.33 graders.

A nonequivalent dependent variable is a “. . . based variable that is predicted no longer to exchange due to the deal with- ment however is predicted to reply to some or all the contextually impor- tant inner validity threats in the equal way as the target outcome.

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Evaluating. Why might people in the United States have better access to AIDS treatment than people in developing nations?

Answers

People in the United states have better access to AIDS treatment than
in developing nations because of the high quality of education and
technological advancements.
The United states is regarded as a developed nation and a characteristic
of such a nation is quality education and a lot of technological innovations.
Medical workers are usually well trained to deal with any type of health
situation.
They also use different forms of technology to make equipment and drugs
solve health-related issues such as AIDS which makes diagnosis and
management easier.

how many cups of water should i drink a day for healthy skin, and flushed out toxins

Answers

Answer:At least 6 glasses of water a day

Explanation:

Water keeps us hydrated and when you drink water it helps your body to stay hydrated and healthy. It helps your skin maintain elasticity and helps reduce wrinkles and fine lines. Water can do amazing things for your skin and your overall health. So be sure to drink at least 6 glasses a day to stay hydrated

Conclusions that can be drawn about the common understanding of health

Answers

Some of the most important conclusions that we can be drawn about the common understanding of health is the imperative requirement of having healthy lifestyles and also making regular medical checks.

Why is important to have a healthy lifestyle to maintain health?

It is fundamental to have a healthy lifestyle to maintain health because generally disease conditions are associated with environmental factors that we can control such as diet, sedentary habits, etc.

Health is not only associated with physical health but also mental cognitive health and emotional self-esteem, which work together to shape the well-being of an individual.

Therefore, with this data, we can see that it is important to have a healthy lifestyle to maintain health because these habits can prevent the emergence of diseases as well as medical regular checks to prevent them, which depends on the health condition of the individual.

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chandra is dating a woman who uses a wheelchair. according to research on stigma by association, people are likely to

Answers

Chandra is dating a woman who uses a wheelchair. according to research on stigma by association, people are likely to see Chandra as trustworthy and caring.

When do people say they are trustworthy?

A trustworthy person will use roughly the same behavior and language in any situation. They have the self-control to maintain their character and follow through on what they say they'll do, even when they are tempted to walk it back.

What are the values of caring?

Caring allows an individual to connect with others, respecting human dignity and responding with compassion.

What is the power of caring?

The more you care about supporting people with empathy and innovation, the more they'll care about supporting you with growth and loyalty.

Thus, Chandra is said to be trustworthy and caring.

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a reinforcer that is related to access to desired actions, such as playing games, leisure time, or listening to music.

Answers

A reinforcer that is related to access to desired actions, such as playing games, leisure time, or listening to music is a Activity Reinforcer.

What do reinforcers do?

A reinforcer is defined as a result that raises the probability that a particular behavior or response will take place.

Positive reinforcers add to behaviors by increasing them, whereas negative reinforcers detract from them.

Example:

When a student performs better than a B on a test, the teacher leaves a supportive note on the paper. This encourages improved grades by recognizing achievement and using that as a positive reinforcer.

Reinforcers' Types:

Reinforcers can be classified as positive, negative, primary, or secondary reinforcers.

While positive reinforcers employ rewards to encourage desired behavior, negative reinforcers utilize punishment to discourage it. Naturally occurring reinforcers are considered primary reinforcers.

Positive reinforcement of this kind includes activity reinforcers.

It entails letting pupils participate in their favourite activities as long as they behave properly. This works best if students are given the option of selecting a classmate to interact with, say, by playing a game or using the computer. This also receives social support from their partner.

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Stre can negatively impact phyical and mental health. However, no one can avoid it entirely. Why i it important to note the role that tre play on health?

A.
When managed effectively, tre i le harmful.
B.
Many healthy people will have to deal with tre.
C.
Stre often come from exterior factor, o not much can be done.
D.
Many people who think that they are healthy are actually quite treed.

Answers

I think it is A
Hope the answer is correct?!

A client arrives in the ed after an automobile accident. which clinical manifestations lead the nurse to suspect a pneumothorax?

a. Respiratory rate 34.
b. Asymmetrical chest movements, especially on inspiration
c. Diminished breath sounds over painful chest area

Answers

Asymmetrical chest movements, especially on inspiration are the clinical manifestations lead the nurse to suspect a pneumothorax.

A pneumothorax is a lung that has collapsed. When air leaks into the space between your lung and chest wall, it causes a pneumothorax. This air pushes against the outside of your lung, causing it to collapse. A pneumothorax can be a complete lung collapse or a partial lung collapse. A pneumothorax can be caused by a penetrating or blunt chest injury, certain medical procedures, or lung disease.

When air enters the pleural space, the area between the lung and the chest wall, the lung collapses. Pneumothorax refers to a complete collapse. Atlectasis occurs when only a portion of the lung is affected.

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How does HIV attack the immune system?

Answers

Answer: HIV finds the white blood cells, called CD4 cells. HIV gets inside the CD4 cell and makes copies of itself. Then, HIV kills the CD4 cell and the new HIV copies find other CD4 cells to get inside and start the cycle again. HIV kills immune system cells that help the body fight infections and diseases.

Explanation: CD4 gets to HIV which helps fights infections


The stages of grief are not
or sequential.

Answers

they are not sequential. they can happen in an sequence

Question
A painting crew reported that a job is 35 completed. What fraction of the job remains to be done?

Answers

Answer:

3/5 needs to be done

Explanation:

I got this question right.

65/100 or 65 percent

a client prescribed epoetin alfa asks how the medication works. which is the nurse’s best response?

Answers

The best response will be it increase cell release to raise levels of hemoglobin and hematocrit.

Human erythropoietin epoetin alfa is created in cell culture utilizing recombinant DNA technology. It was approved by the European Medicines Agency on August 28, 2007, and it is used to treat anemia, which is frequently brought on by chronic renal failure and cancer treatment. It stimulates erythropoiesis (raising red blood cell numbers).

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pain that is localized to the lower back and/or lower abdominal quadrants is most suggestive of

Answers

Answer: an aortic  aneurysm

Explanation:

Returning to a sport after an injure is most dependent upon?

Answers

Your personal rate of healing

The pegword technique is particularly suitable for use when you need to remember items based on their

order.
importance.
concreteness.
bizarreness.

Answers

The pegword mnemonic combines visual and auditory memory into a powerful mnemonic for remembering ordered lists. It provides a method for remembering numbers, nouns, and the numerical order of nouns.

The lists that are filled with:

Vocabulary, Study Keywords, Names, To Do List Items, Historical Dates, Medical Terminology, and anything else that can be organized into a list.

Each pegword system has three simple stages:

1) Configuring and remembering the system.

2) Encoding new data with the system.

3) Recalling the data by activating the system.

There are various types of peg systems available:

1) The Rhyming technique

2) The Meaning technique

3) The Alphabet technique

4) The Look-alike technique

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What is the meaning of life

Answers

When we stop surviving & start truly living, we begin our quest towards the deeper meaning to our life. One of the ultimate reasons is to help out people in need; to throw little torches out to lead people through the dark. There are people who bring a light so great to the world that even after they're gone, the light remains. We must crave for & work for something like that. We should make an effort to be wealthy in good deeds, not money. For when we die, the money won't help us but the deeds will. However, before we choose to spread that light to guide others, we must allow our inner light to guide us out of the darkness first. To grow, to discover, you need to experience involvement. Frustration...gloominess....grief....are all part of it, but how you overcome those maintaining a straight path is what enlightens you truly from deep within. Lastly, if you have the true light in your heart, you will find a way home. And that home shall be "the purpose" of your existence.

m inecraft (the correct answer)

                                             

social practices and messages influence both the emotions we feel and the ways in which we react to emotions. a.true b.false

Answers

Social practices and messages influence both the emotions we feel and the ways in which we react to emotions. a .True

The difference between emotions and attitudes are emotions involve on the spot responses and right away affect our behavior, and alternatively, attitudes are extra strong over the years because it entails a cognitive method where it considers other factors such as beliefs, emotions and influence behavioral intentions closer to the .

Social media adjustments how we suppose. It shifts how we motive. what's greater, social media can affect our intellectual fitness, and there may be a terrific amount of proof that it makes humans greater irritating and depressed. for example, research have located hyperlinks among social media envy and despair.

Feelings are inspired by means of a community of interconnected systems in the mind that make up what's called the limbic system. Key structures inclusive of the hypothalamus, the hippocampus, the amygdala, and the limbic cortex play a pivotal position in feelings and behavioral responses.

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The force that drives materials out of the glomerulus into the glomerular capsule is

A) osmotic pressure
B) blood pressure
C) concentration gradients
D) active transport

Answers

Blood pressure (option B) is the force that propels materials from the glomerulus into the glomerular capsule.

The Bowman's capsule contains particular star-shaped cells, and it is through the pores between these cells that filtrate enters the nephron. The capsule's outer structure, which is connected to the glomerular region of the nephron, is made up of star-shaped cells. Blood pressure in the glomerulus aids in the filtrate's passage from the glomerulus to the glomerular capsule. Different materials exit the glomerulus, and depending on blood pressure, certain materials can pass through the glomerulus. The blood is cleansed of these impurities, including as ions and waste products, before entering the glomerular capsule. Intertwined blood arteries cause a rise in blood pressure in the glomerulus because the sluggish blood flow allows for more effective blood filtering. The filtrate enters the glomerular capsule before moving onto the nephron's tubule.

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Where does the water in lakes come from? Select the threeA. Ocean wavesB. Surface-water runoff from rainC. Melting snowD. Underground reservoirs Explain how you will give importance to the contributions of the ancient greek civilization. Anyone have the answers for this 18. A man dived horizontally with a velocity of 1.5 ms from a 100 kg boat. If the recoil velocity of the boat is 0.9 ms what is the mass of the man? 4(-3b-5s) use s=2 and b=3 when researchers monitored the professional accomplishments of more than 1500 highly intelligent individuals, they found that the most successful were more ambitious, energetic, and persistent than others. this best illustrates the importance of: when there is no cyclical unemployment in the economy, group of answer choices structural unemployment is zero. frictional unemployment is zero. unemployment is the sum of frictional and structural unemployment. unemployment is only structural unemployment. Use the x-values: 1, 2, 3, and 4 to write solutions of the equation y = 17x + 8 as ordered pairs. What does subliminal effect mean? which of the following would not contribute to a conflict between the decision model a manager uses and the performance-evaluation model top management uses to evaluate managers? The Pequot war between the English colonists and the Pequot peoples began when in 1985, the federal government stopped enforcing the , arguing that it was no longer necessary due to the increasing number of television and radio stations. a. net neutrality b. fairness doctrine c. equal time rule d. right of rebuttal What book are you most thankful for? Why? which of the following would tend to reduce effective capacity? multiple choice improved production quality greater variety in the product line suppliers that provide more reliable delivery performance reduced changeover times The first comprehensive theory of personality focused on unconscious drives and childhood experiences. It was developed by ________. what is a collection of members who will share leadership responsibility for creating a collective identity, achieving mutually defined goals, and fostering innovative thinking? Write the shaded regionof the model as a percent. 13. josh is working in the yard when an insect buzzes by his ear. before he can hear the insect, the receptor cells in his ear must produce an electrical change in response to the sound. this process is called: 8. analyze literature of the early national period in what ways does franklin fear the delegates may undermine the constitution even after they sign it? explain. solve the equation-2/3d-1/4d=-22 for d