What is antigenic drift ?( or genetic drift) what is antigenic shift (or genetic shift)?

Answers

Answer 1

Answer:

Antigenic drift and shift are two kinds of variations that occur in influenza during the gradual development of point mutations Hopefully this helps!


Related Questions

Which of the following stretching programs would best maintain or improve the overall flexibility of a
student?
a) Fifty to sixty minutes, once a week
b) Twenty to thirty minutes, once a week
c) Five to ten minutes, five days a week
d) Fifteen to thirty minutes, seven days a week

Answers

D. Bc it’s not too long of a time to stretch out of your day and it’s almost everyday so your body adjusts to your body muscles being pulled. It’s good to stretch

Fifteen to thirty minutes, seven days a week. Thus, the correct option is B.

What is stretching?

Stretching is the process of placing particular parts of the body into a position that will lengthen, or elongate, the muscles and associated soft tissues.

Stretching keeps the muscles flexible, strong, and healthy, and we need that flexibility to maintain a range of motion in the joints. Without it, the muscles shorten and become tight.

For more information regarding stretching, visit:

https://brainly.com/question/1237629

#SPJ2

19. Muscles attached to bones support your body to provide stability and balance.

True or False

Answers

Answer:

True

Explanation:

They are a part of the musculoskeletal system which helps provide form, stability, support, and movement.

Putting more effort and time into researching a paper to get a high grade is known as
initiation
incentive.
intensity
inspiration

Answers

Answer:

intensity

Explanation:

because u r focusing more onto a single item

Answer:

intensity

Explanation:

wht made u always sad​

Answers

Answer:

Without further i do somethings make me sad:

Explanation:

I hate seeing dead animals on the road,I only have one life to make something of myself,I can never change the past,Not everyone gets to say goodbye to the people  they love and They are only a few restaurants I actually like that deliver.

I’m sad when I run out of weed

1) When doing CPR on an adult, you should?
2) A 5 year old child starts coughing forcefully after eating a piece of candy. What should you do next?
3) When do you stop CPR?
4) For an infant who is not breathing, you should give?
(25 pts)

Answers

Answer:

Question 1. perform chest compressions at a rate of 100 to 120/min and to a depth of at least 2 inches (5 cm)

Question 2. perform the Heimlich after asking them if they are choking alternate between 5 back blows and abdominal thrusts until the object is forced out

Question 3. When a doctor or some other appropriate emergency medical provider like a paramedic tells you to stop

Question 4. Give two immediate rescue breaths cover the baby's nose and mouth with your mouth to make a complete seal

Hopefully this helps and good luck to you!

Name the four way medicines enter the body

Answers

Drugs undergo four stages within the body: absorption, distribution, metabolism, and excretion. After a drug is administered, it is absorbed into the bloodstream.

absorption, excretion, distribution, and metabolism

Which of the following is NOT a factor that
influences alcohol use?
O Media
O Peers
O Sun Exposure
O Family​

Answers

Answer:

Sun Exposure

Explanation:

Literally has nothing to do with alcohol.

A company that touts its product as "Made in America" is using which strategy?
O
A) Patriotism
OB) Fear
O C) Snob appeal
OD) Bandwagon

Answers

The answer is A.patriotism
A. patriotism, who doesn’t love america

I NEED HELP ASAP !!!


When asking questions to parents about a child’s challenging behavior, teachers are looking for routine causes and ________.

Answers

Answer:

very vague sentence... perhaps solutions or reinforcements.

Explanation:

triggers or abuse by parents and medical issues or food diet

38. A shin splints, which can develop in runners, is an example of _______ injury.

A) Muscular Dystrophy
B) Strain
C) Overuse
D) Sprain

Answers

Answer:

C

Explanation:

Shin splints occure when bone tissue is overworked

Professional assessments are the only reliable method for determining an individual's levels of health-related fitness.
Please select the best answer from the choices provided.
Т
F

Answers

Answer: true

Explanation: I took the test :)))

Hoping someone can help, its for an essay!
How do you feel with you take the time to help someone else, and how do you feel when you take care of or help yourself?

Answers

Answer: 1. when you help someone else you have an exciting urge to reward yourself. You feel happy that you have taken time out to be a good person. 2. When you take care of yourself you feel normal. You feel this way because you take of yourself all the time and its nothing special right? well no it is special because you don't realize that its helping you to be healthy and just like helping somebody else it is life changing.

describe how pathogens can spread directly from one person to another

Answers

Answer:

Direct contact infections spread when disease-causing microorganisms pass from the infected person to the healthy person via direct physical contact with blood or body fluids. Examples of direct contact are touching, kissing, sexual contact, contact with oral secretions, or contact with body lesions.

Please I need Help ASAP!!!

Answers

Answer:

I would say option 1

Explanation:

*READ* because, they look the exact same. And when they look the exact same I always do the first one. Hope This Helps!

Answer:

neither meiosis produces 4 daughter cells not two.

Explanation:

For muscles or bone injuries, you should apply heat to the area as soon as possible to help with the swelling.
True
False

Answers

Pretty sure false I think
It is false I don’t tell her mom is that she is a good night and she’s not working today she is YungRichLord right now I’m gonna was the day

PLS ANSWER QUICK
Which of the following would fit this definition: making sound purchasing decisions to reduce the amount of waste and pollution that can negatively affect our health?
Pre-cycling
NIMBY
Recycling
Green House Effect

Answers

Answer:

Recycling

Explanation:

Precycling is the practice of reducing waste by attempting to avoid bringing items which will generate waste into home or business.

NIMBY, or Nimby, is a characterization of opposition by residents to a proposed development in their local area.

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without this atmosphere.

Which of the following should be performed on an unconscious, unresponsive person?

Question 2 options:

Heimlich Maneuver


CPR


shaking them


none of the above

Answers

Answer:

CPR

Explanation: If there is no breathing or a pulse within 10 seconds, begin chest compressions. Start CPR with 30 chest compressions before giving two rescue breaths.

What are the symptoms of depression?

Answers

Symptoms of depression include having a loss of energy, change in appetite or weight particularly noticeable weight gain or loss, trouble focussing, feelings of hopelessness, and loss of daily interest in activities.

Answer:

Feelings of guilt, worthlessness, and helplessness

Pessimism and hopelessness

Insomnia, early-morning wakefulness, or sleeping too much

Irritability

Restlessness

Loss of interest in things once pleasurable, including sex

Overeating, or appetite loss

Aches, pains, headaches, or cramps that won't go away

Digestive problems that don't get better, even with treatment

Persistent sad, anxious, or "empty" feelings

Suicidal thoughts or attempts

Hope This Helps:)

18. Tissues that move parts of the body and control the organs is ________ system.

A) Skeletal
B) Nervous
C) Digestive
D) Muscular

Answers

Answer:

A) Skeletal

Explanation:

The muscular system is made up of tissues that work with the skeletal system to control movement of the body.

D. muscular is the answer i think

What is the main hazardous ingredient in Clorox bleach?

Answers

Answer: Sodium hypochlorite

Sodium hypochlorite is a reactive chemical oxidizer that degrades rapidly and completely. There's no free chlorine released by the breakdown of Clorox if the product is used as directed. The Clorox Company says 95 to 98 percent of the sodium hypochlorite breaks down to salt and water.

While looking for weights, I did this​

Answers

Nice! You can always use water bottles as well
pretty swaggy man, loving the look

Is HIV and aids the same disease?
*need answer

Answers

Answer:

While HIV is a virus that may cause an infection, AIDS (which is short for acquired immunodeficiency syndrome) is a condition. Contracting HIV can lead to the development of AIDS. AIDS, or stage 3 HIV, develops when HIV has caused serious damage to the immune system. So its two different diseases that can lead to each other.

Explanation:

Which of the following is the BEST reason for children to have time each day for active play—running, climbing, throwing, hopping, etc.?

Answers

Answer:

any type of physical activity

Explanation:

helps with healthy growth and development. build strong bones and muscles. improve balance and develop skills. maintain and develop flexibility

These activities are important for children because it helps with their physical growth along with mental growth, physical exercise helps the brain as well as the body

will an organism always have the same response to a chemical regardless of the dose it is exposed to?

Answers

Answer:

No it will not.

Explanation:

Different organisms will vary in responses to a chemical regardless of the dose it is exposed to.Therefore, an organism will NOT have the same response to a chemical.

35

Step-by-step explanation:

They told you that the mean is 7.

You know there are 5 numbers

Mean = (number 1 + number 2 + number 3 + number 4 + number 5) / 5 = 7

Sum = 7 x 5

= 35.

Answers

I’m confused on what your asking ??

What is so good about being social?

Answers

Answer:

Being social can get you more friends, a good job, a good boyfriend or girlfriend, and just to be funny the things you want

Explanation:

Answer:

Be benefit to your social and raise your confident

Explanation:

Explain why it is important for doctors and patients to understand how structures inside the body function.

Answers

Answer:

It is important for doctors to do so, so that they can prescribe the proper treatment. If they do not know how a certain body function works, it can lead to a lot of additional problems

Explanation:

how can one get rid of aids ... my answers are (A. wash
(B. go to hospital so which one

Answers

Answer:

I would say B. There is an Antiretroviral treatment can control the viru. But you can not get rid of aids.

B. Go to the hospital. You cannot get rid of aids out of your body.

Put the steps in order to show how crystals are formed.

Formation of ions:

Formation of crystals:

Formation of ionic bonds:

Formation of cubes

Answers

Formation of Ions, Formation of Ionic Bonds, Formation of cubes, and last, Formation of crystals.

Answer:

1

4

2

3

Explanation:

Research the negative effects and smoking.

Create a list of three reasons why people drink alcohol and provide an opposing argument for that reason. Finally, identify three negative impact of drinking.


Create a list of three reasons why people smoke and provide an opposing argument for that reason. Finally, identify three negative impacts of smoking.

Answers

The negative effects of smoking would result in major health issues including bronchitis and tuberculosis, even death

Three reasons why ppl drink alcohol are: Usually to relieve stress,peer pressure, for fun, occasionally, past experiences, family trait
3 negative impacts: major health issues, can cause major injuries and potential accidents, financial problems

Three reasons ppm smoke are:
Stress relief, social occasions, pleasure, family trait

Effects: slower heart rate, trouble focusing, feeling down and weary
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Help me please !!!!! Choose the option that best matches the description given.information assurance is a type of: 1.computer virus 2.cuber security 3.engineering The equation of certain traveling waves is y(x.t) = 0.0450 sin(25.12x - 37.68t-0.523) where x and y are inmeters, and t in seconds. Determine the following:(a) Amplitude. (b) wave number (C) wavelength. (d) angular frequency. (e) frequency: (1) phase angle, (g) thewave propagation speed, (b) the expression for the medium's particles velocity as the waves pass by them, and (i)the velocity of a particle that is at x=3.50m from the origin at t=21.os If I add 50 mls of water to 300 mls of 0.6M KNO3 solution, what will be the molarity of the diluted solution? Mark wants a new car that costs $30000. He only has $500 in his savings account and $300 in his checking account. Which financing option should he chose Which of these is NOT a meaning of the root super or sur? Which description matches finding the volume of the solid ? Help me!what is the biggest disadvantage of using nuclear power to produce electricity?a. nuclear fission releases more air pollution than burning coalb. nuclear fission produces less energy than burning coal or oil.c. nuclear waste must be safely stored for many yearsd. nuclear waste must be incinerated The armistice with Germany was signed by Identify the type of verbal used in the following sentence.The frowning teacher handed out the students' essays.-infinitive-participle-gerund-infinitive phrase-participial phrase-gerund phraseNote: Participial Phrase is incorrect Read the excerpt from Susan B. Anthonys "On Women's Right to Vote. It was we, the people; not we, the white male citizens; nor yet we, the male citizens; but we, the whole people, who formed the Union. And we formed it, not to give the blessings of liberty, but to secure them; not to the half of ourselves and the half of our posterity, but to the whole peoplewomen as well as men. And it is a downright mockery to talk to women of their enjoyment of the blessings of liberty while they are denied the use of the only means of securing them provided by this democratic-republican governmentthe ballot. The word that best describes Anthonys tone in this excerpt is . What clues tell you that this is a compare and contrast text structure In fruit flies, the gene for eye color is located on the X chromosome, and the red eye allele (R) is dominantto the white eye allele (r). A carrier female is mated with a male fly with genotype XrY. Which of thefollowing statements best describes the expected outcome of the cross?a. The chance of an offspring having red eyes is 75%b. The chance of an offspring having white eyes is 50%c. The chance that a male offspring will have white eyes is 0%d. The chance that a female offspring will have red eyes is 100% 5 characteristics of cestodes PLZ HELP it's LITERALLY THE LAST QUESTIOOOON Drag the item from the item bank to its corresponding match.Match the prism or cylinder with its volume. PLEASE HELP!! WILL GIVE BRAINLIEST IF RIGHTAn account earns annual simple interest, Find the interest earned, principal, interest rate, or time.Interest earned: ?Principal: $1250Interest rate: 3%Time: 4 years Please help..................: PLEASE ASAPgraph -1 A university lecturer has an annual salary of $60000. If this increases by 2% of the previous year each year, what will her salary be after 10 years.