Explain how the sliding filament model results in force-generation in a muscle fiber.

Answers

Answer 1

The sliding filament theory is the explanation for how muscles contract to produce force. As we have mentioned on previous pages, the actin and myosin filaments within the sarcomeres of muscle fibres bind to create cross-bridges and slide past one another, creating a contraction.


Related Questions


1.what does the joint external evaluation tool do

a. calculates the impact of infant mortality rates on a country

b. transports vaccines worldwide

c. Breakstone health event systems of countries into three categories: prevent, detect, and respond

d.contributes to organizing health data

2.All Millennium Development Goals were met by 2015.

a. true
b. false

Answers

It is c because d does not makes sense

Select the correct answer from each drop-down menu.

Select the phrase that correctly completes the statement.

Percent Daily Value in the nutrition facts label means (blank #1). Daily Reference Values and (blank #2) are two types of Daily Values.

Drop-down menu options for blank #1
1) How much of a nutrient you should eat
2) The percent of the daily recommended amount of a nutrient given in the entire nutrient package
3) The percent of the daily recommended amount of nutrient given in a single serving
4) The weekly recommended amount of a nutrient given in the entire food package
5) The weekly recommended amount of a nutrient given in a single serving

Drop-down menu options for blank #2
1) Daily Percentage
2) Recommended Daily Allowance
3) Recommended Daily Intakes
4) Reference Daily Intakes
5) Upper Limit

Answers

Answer:     2) The percent of the daily recommended amount of a nutrient given in the entire nutrient package

number two    

3) Recommended Daily Intakes because it is how much you intake

Explanation:   you have to think that the lable is how much you get

Percent Daily Value in the nutrition facts label means, that the percent of the daily recommended amount of a nutrient given in the entire nutrient package, hence for blanks 1 = 2 and blanks 2 = 3 are the correct options.

What are nutrition labels?

Daily reference values and recommended daily Intakes are two types of daily values. This is the number of calories suggested an average adult should consume per day, to keep her body weight, with a moderate physical activity level.

It also provides an easy number estimate daily values percentage, from which you can estimate the number of calories provided in the package, and how much approximately that represents your daily calorie intake.

Therefore, daily reference values recommended daily intakes are two types of daily values.

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Which social media activity would most likely have a negative influence on body image?

Answers

Answer:

getting a dislike on a recent picture

Explanation:

Answer:getting a dislike on a recent picture

Explanation:

what happens if you don't sleep for 40days

Answers

If you do not sleep for 40 days it can potentially kill you because if you slept more than 3 days then that will cause more harm then it would’ve been as to sleeping regularly in a daily schedule. That is abnormal and would give you a horrendous amount of hallucinations, basically insomnia from situating from that problem and can also  put the higher chance into leaking towards paranoia. It will also lead into sleep deprivation, heart failure, high blood pressure, diabetes and potentially strokes that would consider damaging your health harshly.

The human body cannot withstand even one week without sleep. Any longer than a week will result in severe mental issues and hallucinations. This also leads to a shorter life span and even death.

how to keep in shape

Answers

Exercise, eat healthy, watch the amount of calories consumed, etc.

How do you define wellness?

Answers

Answer:

Wellness is the practice of good actions on a daily basis in order to produce better results for physical and emotional wellbeing so that you succeed instead of surviving. There was a mistake. Various main elements of the lifestyle are the overall health dimensions.

Explanation:

Birth Control Methods

- What’s is a hormonal IUD?

Answers

Explanation:

IUD stands for Intrauterine Device — a birth control method that sits inside your uterus. A hormonal IUD is a small piece of flexible plastic shaped like a T. The hormonal IUD releases a tiny amount of the hormone progestin into your body over several years. Progestin is very similar to the hormone progesterone that our bodies make naturally.

The hormones in the IUD help prevent pregnancy, and can also help with painful or heavy periods while you’re using it.

Hormonal IUDs prevent pregnancy by keeping sperm cells away from your eggs. If sperm can’t make it to an egg, pregnancy can’t happen. The hormones in the IUD prevent pregnancy in two ways:

1) Hormonal IUDs make the mucus on your cervix thicker. This mucus blocks sperm so it can’t get to an egg.

2) The hormones in the IUD can also stop eggs from leaving your ovaries (called ovulation), which means there’s no egg for a sperm to fertilize. No egg = no pregnancy.

What are facts about being healthy?

Answers

Answer:

Facts below

Explanation:

You WILL feel better both mentally and physically.You will gain self-esteem that makes you feel better about yourselfYou will be more physically fit and there are many benefits of being fit like living longer, improving in sports, and many other things

The list could go on but these are some of the more important and overall benefits of being healthy.

Stress been found to to what

Answers

Stress has been found to make people go crazy mentally and physically. It can also cause numerous health problems. Stress is a sickness so to speak.

when u have a crush,you get pimples or acne true or false its mapeh health

Answers

Answer:

False

Explanation:

I'm assuming you mean a crush like when you like someone. This would be false because that has nothing to do with acne.

HELP PLS!! IF U ANSWER IT RIGHT YOU GET THE TOP COMMENT!!! THANK YOUU!! QUESTION 14!! :)

Answers

Answer: its B

Explanation: because  the other  statement is  putting forward someone's opinion and  B is a statement of what argues

HELP PLSSS! WHO EVER GETS IT RIGHT WILL GET THE TOP COMMENT!!! THANK YOUUU :))))))!

Answers

Answer:

Media

Explanation:

Media is the communication outlets or tools used to store and deliver information or data.[1][2] The term refers to components of the mass media communications industry, such as print media, publishing, the news media, photography, cinema, broadcasting (radio and television), digital media, and advertising.

external and internal organ of heart​ ?

Answers

Answer:

i don;t understand what you're asking

Explanation:

The heart wall consists of 3 layers:
Epicardium: thin external layer formed by visceral layer of serous pericardium
Myocardium: thick middle layer made of cardiac muscle
Endocardium: thin internal membrane that lines the heart and its valves. It is composed of endothelium and sub-endothelial connective tissue, similar to intimal component of blood vessels.

PLSSSS HELPPPP ASAPPPP I WILLL GIVE BRAINLIEST!!!

Answers

Answer:

True

Explanation:

exercising contributes cartilage healing, and reduces injuries and if you don't exercise it won't do any of that.

the answer is True


working out can help your heart function for longer

Back of upper arm
36 points

Answers

Answer:

triceps

Explanation:

Psychology Question
The time is coming when choosing the genetic traits of your child is going to be possible. What kinds of ethical and practical problems may arise from this development.

Answers

Explanation:

Ethical doubts about genetic engineering motivate a view that many philosophers favour: that genetic therapy to eliminate disease and disability is ethically acceptable, given that the risks can be overcome.

But genetic enhancement is ethically problematic. The line between enhancement and therapy is difficult to draw.

Studies show people who are physically attractive are likely to earn more than those considered to have below-average looks. Does this mean “ugliness” is a disability that ought to be corrected by genetic engineering?

Or, similarly, is having a below-average IQ a disability, something that should be subject to change through gene-editing?

In humans, new technologies could result useful to prevent and/or cure specific diseases, but genetic selection based on 'desired' phenotypic traits (e.g,  eye color) is not ethical and may increase human inequalities.

During the last years, the development of new genome engineering tools and especially, the development of the CRISPR-Cas9 system, which can be used as a genetic scissor capable of inserting any desired gene sequence in an organism, have made possible the design of new organisms with different phenotypic features.

In the near future, genome editing might result very useful to cure and even prevent inherited diseases.

However, this situation also raises serious ethical concerns because virtually any phenotypic human trait can be modified in the germline by designing genetically modified babies with 'desired' phenotypic characteristics.

In consequence, genome editing technologies should be used with caution because they may increase human inequalities (for example, by designing babies with higher cardiovascular endurance) or may have unethical motives (for example, by modifying natural phenotypic traits such as eye color, hair color, etc).

In conclusion, in humans, new technologies could result useful to prevent and/or cure specific diseases, but genetic selection based on 'desired' phenotypic traits (e.g,  eye color) is not ethical and may increase human inequalities.

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High blood pressure, arrhythmia, and cirrhosis are symptoms for the chronic use of what drug?

Answers

Answer:

alcohol

Explanation:

Answer: Alcohol.

Explanation: High blood pressure, arrhythmia, and cirrhosis are symptoms for the chronic use of alcohol because your overdrinking, it technically means your abusing drugs (Overdrinking, drunkness, etc). I'll explain the symptoms.

Arrhythmia - Improper heart beat (Slow, fast).

High blood pressure - The force of the blood against the artery walls are too high. (Could pass out).

Cirrhosis - Diseased liver, can get pain and edema in your leg.

If the opponent shoots at the wrong hoop does the other team receive the points?

Answers

Answer:

yes

Explanation:

because its a rule in the NBA

HELP ME PLEASE
HOW DO ALL OF THE PARTS OF THE CELL HELP TO
MAKE IT FUNCTION AS A WHOLE?
(5 sentences minimum with 3 pieces of evidence and reasoning)

Answers

Answer:

Every part of cell performs a specific function.

Explanation:

All parts of the cell such as organelles, cytoplasm and cell membrane etc helps to function of the cell properly because every part of the cell perform a specific function which is necessary for the survival of the cell. Some part of the cell helps in transportation such as endoplasmic reticulum, some removes waste material from the cell i. e. lysosomes, while organelle like mitochondria formed energy in the form of ATP which is used by the cell for doing different activities.

If an ambulance hits someone on the road while transporting someone to a hospital, do they bring that person with them too?

Answers

Answer:

yes

Explanation:

they do have too because of the emergency

What life cucle(s) is nutrient most important?

Answers

As discussed in Chapter 12 "Nutrition through the Life Cycle: From Pregnancy to the Toddler Years", all people need the same basic nutrients—essential amino acids, carbohydrates, essential fatty acids, and twenty-eight vitamins and minerals—to maintain life and health.

so if a kid had a crush on a hot babe is that ok? yes or no please resate and explain why it is ok and why its not ok

Answers

Answer:

Its ok to have a crush

Explanation:

Anyone can have a crush on everyone, the kid just cant act on his feelings

Answer:

is this hot babe older than you by like more than 4 yrs?

Explanation:

When do headaches strike?
when the brain releases natural pain fighting chemicals called endorphines
when nerves in the face or head have pressure put on them
O whenever people practice yoga and meditaiton
whenever people take over the counter pain medications such as Tylenol

Answers

Typically, tension-type headaches usually disappear once the period of stress or related cause has ended. Tension-type headaches affect women slightly more often than men. The headaches usually begin in adolescence and reach peak activity in the 30s.
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Both the owner and Jordan SOLVE [tex](2 x - 4) {?}^{2} [/tex] How did religious intolerance in Europe influence those people who chose to settle in the New World?options:A)Fearing religious persecution, many settlers fled to the New World in hopes of being able to practice their religion freely.B)Due to the fact that Protestantism was so widely accepted in Europe, only Catholics were threatened and saw the New World as an opportunity to escape persecution.C)Believing they were safe because of wide-spread religious tolerance in Europe, only the poor would be motivated to leave to find new opportunities.D)Religious intolerance played no role in the motivations of European settlers. New Technology Leads to Bigger CitiesIn the 1800s, the United States was still a very young nation, trying to solidify its identity. The Industrial Revolution began in Great Britain, a fast development of society following the introduction of machines. The United States was slower than Great Britain to fully embrace the changes. Yet key technological developments caused a rapid growth in American urban areas.Better farming methods and tools in the 1800s increased food production. Americans were able to grow enough food for their families as well as to sell. The abundance caused food prices to fall.The expansion of cotton and the growth of textile factories in northern states helped produce the first wave of American industry. More people turned to work in northern factories as a way to support their families. Thousands of immigrants to the United States also settled in or near port cities, looking for work. Even today, the need for work is a common reason people move to urban areas.As a result, cities grew in numbers of people and physical space. As more people and businesses moved in, they needed buildings for living and working. They needed ways to move around the city. We call this process urbanization.In 1820, the United States had only a few cities of 10,000 residents or more. About seven percent of U.S. residents lived in urban areas. The number of cities with more than 10,000 people grew quickly over the next 40 years, especially in the Northeast and Midwest. By 1860, about 20 percent lived in cities. Philadelphia and New York City were the most populated cities in 1860 and would soon reach one million residents.The urbanization of the United States quickened due to technology improvements. Without innovations in food production, the factories could not have grown so quickly. The trend quickened after 1860 and continued throughout the 21st century as well. By 2007, more Americans lived in or near cities than they did in rural areas.Which sentence from the conclusion paragraph best rephrases the author's thesis? (5 points)A. By 2007, more Americans lived in or near cities than they did in rural areas.B. Without innovations in food production, the factories could not have grown so quickly.C. The trend quickened after 1860 and continued throughout the 21st century as well.D. The urbanization of the United States quickened due to technology improvements. need help please thanks What is the discriminate of y=x^2-8x+2 200cm3 of hydrogen diffused through a porous pot in 40secs. How long will it take 300cm3 of chlorine to diffuse the same pot? A light bulb consumes 11700 watt-hours in 3 days and 6 hours. How many watt hours does it consume per day? What is the factors for x squared plus 5x - 6 12+22+32+...+102 =? PLEASE HELP ME, JUST WITH THE SECOND ONE MATHH DECIMALSS QUICKKK PLSSS