How do microfilaments, also known as actin filaments, interact with which protein to cause muscle contraction?

Answers

Answer 1

The microfilaments, also known as actin filaments, interact with the protein myosin to cause muscle contraction.

The step-by-step explanation:
1. Actin filaments (microfilaments) and myosin proteins are the main components of sarcomeres, the functional units of muscle fibers.
2. During muscle contraction, myosin heads (part of myosin proteins) bind to the actin filaments, forming cross-bridges.
3. The myosin heads then undergo a power stroke, pulling the actin filaments toward the center of the sarcomere.
4. This sliding of actin filaments over the myosin filaments shortens the sarcomere, leading to muscle contraction.
5. ATP (adenosine triphosphate) provides the energy required for the myosin heads to detach from actin filaments and reattach in a new position, repeating the process until the muscle contraction is complete.

In summary, microfilaments (actin filaments) interact with the protein myosin to cause muscle contraction through a series of binding, power strokes, and detachment powered by ATP.

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Related Questions

PLEASE HELP ILL MARK YOU BRAINLIESTTTTTTT

PLEASE HELP ILL MARK YOU BRAINLIESTTTTTTT

Answers

Answer:

ok so raio is the one becuase that help waves or what ever your doing crrect

Explanation  

Module 3_Discussion In this module we discussed the Theory of Constraints. Looking at the recent Covid situation, how would you say the Theory of Constraints applied to the production of breathing masks in the United States? What did the U.S. government do to remove constraints when it came to vaccine production?

Answers

The Theory of Constraints addresses bottlenecks in mask production. The US government expedited vaccine development and production, increased funding, and secured essential supplies to remove constraints.

The Theory of Constraints (TOC) can be applied to the production of breathing masks in the United States by identifying and addressing the bottlenecks or constraints that hinder the production process. For example, during the early stages of the COVID-19 pandemic, there was a shortage of raw materials, manufacturing capacity, and distribution channels for masks. TOC would suggest focusing efforts on alleviating these constraints to increase mask production. This could involve sourcing additional raw materials, expanding manufacturing capabilities, optimizing production lines, and streamlining distribution logistics.

Regarding vaccine production, the U.S. government implemented several measures to remove constraints. They worked to expedite the regulatory approval process for vaccines, facilitating faster development and production. The government provided funding to vaccine manufacturers to expand their manufacturing capacity and ramp up production. They also invoked the Defense Production Act to secure essential supplies and equipment needed for vaccine production. These actions aimed to eliminate constraints such as limited production capacity, logistical challenges, and supply chain disruptions, allowing for a more efficient and accelerated vaccine production process.

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The correct question is:

Looking at the recent Covid situation, how would you say the Theory of Constraints applied to the production of breathing masks in the United States? What did the U.S. government do to remove constraints when it came to vaccine production?

HELP PLEASE HELP
ASAP!!
i’ll give brainliest.

HELP PLEASE HELPASAP!!ill give brainliest.

Answers

Answer:

Thermal energy- The warmth of the sun

Chemical Energy-Coal: Combustion reaction converts chemical energy into light and heat

Nuclear Energy- Electricity generated from a nuclear reactor

Sound Energy- The waves that travel from a voice

Gravitational Energy- A pen being held above a table has a higher gravitational potential than a pen sitting on the table

Explanation:

Answer:

Thermal energy- The warmth of the sun

Chemical Energy-Coal: Combustion reaction converts chemical energy into light and heat

Nuclear Energy- Electricity generated from a nuclear reactor

Sound Energy- The waves that travel from a voice

Gravitational Energy- A pen being held above a table has a higher gravitational potential than a pen sitting on the table

DNA creates ____ which creates ____ which creates _____.

Answers

Answer:

DNA replication creates two new strands that assemble nucleotides differently.

Explanation:

This statement describes DNA replication because this process involves a double stranded DNA copied to produce two identical new DNA molecules.

Hope this helps!

WARM-UP
Which statements are true? Check all that apply
In eukaryotes DNA is found in the cytoplasm of the cell
RNA is the nucleic acid that helps build proteins
DNA is the nucleic acid that carries genetic infomation
The structure of proteins is determined by DNA
A chromosome is made of RNA
DONE
which statements are true

Answers

Answer:

answer is 2,3,4 on edge

Explanation:

took the test

Answer:

2,3,4

Explanation:

edge 2020 warm-up

The _________ are one of 3 Thigh muscles that connect the hip and Knee.
Hip flexors

Quadriceps

Bicep Femoris

Hamstrings

Answers

the answer is hamstrings!! hope this helped. have a nice day:)
The answer is hamstrings! Hoped this helps C:

Matthew claims that people should invest in alternative sources of energy rather than burning fossil fuels

Answers

Answer:

Ok. What is his reasoning?

Explanation: Because if he belives it is true he is aloud to have a belief but I would like to understand his reasoning

planets orbit in perfect circles around stars .... • true •false

Answers

Answer:

I want to say false... but I'm not entirely sure sorry if it's wrong :(

Explanation:

Answer:

Explanation:

I want to say true but if you think bout it nothing is perfect so i am going to say false sorry if i am wrong

The steps below identify the part of the process to become a U.S. citizen, the naturalization process. Use the steps below to answer the following question. 1. Be a legal resident in the U.S. for at least 5 years. 2. Complete an application 3. ? 4. Take the Oath of Allegiance What is missing in the process above? A: Register for Selective Service System B: Interview and pass civics test C: Complete a background check D: Receive an appointment letter

Answers

Answer:

B. Interview and pass civics test

Explanation:

I know people who have gone through the process. Hope this helps :)

Do you believe that the government should enforce automobile safety regulations?

Do you believe that the government should enforce automobile safety regulations?

Answers

Answer:

I do believe that the government should enforce automobile safety regulations

Explanation:

because if we look at the graph above, we can see that more people are saved from death by the safety regulations so I say yes, the government should enforce safety regulations.

Government should enforce automobile safety regulations to ensure the safety of drivers, passengers, and pedestrians on the roads.

What are automobile safety regulations?

Automobile safety regulations are a set of rules and standards established by governments and regulatory bodies to ensure the safety of drivers, passengers, and pedestrians on the roads. These regulations cover various aspects of vehicle design, construction, and operation, including safety features such as seat belts, airbags, anti-lock brakes, and crash protection systems. They also cover other areas, such as emissions control, fuel efficiency, and the use of alternative fuels.

The purpose of these regulations is to reduce the number of injuries and fatalities resulting from automobile accidents, as well as to promote sustainable and environmentally friendly transportation. Compliance with these regulations is typically mandatory for automobile manufacturers and may involve regular safety inspections and testing.

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Deer are eating Mr. Thompson’s rose bushes. He puts a new deer repellent on half of his rose bushes and then waters them. He uses the same amount of water on the other half of his rose bushes but does not put the repellent on them. What is the control group for his experiment?

Answers

Answer:

Explanation:

What he is trying to do is see if the repellant does any good. So the roses that do not get the repellent are the control group.

If they become 1/2 chewed up, and the others do not, the repellent works.

We had deer that visited our property and their favorite flower was the tulip. They are very sloppy eaters -- no table manners at all. So it was evident that they had been there,  I don't think they liked coffee and that's how the problem was solved.

They did not attack our vegetables (carrots which have a high natural sugar content), nor anything in the garden

Just the tulips around the house.

.During the follicular phase of the ovarian cycle, one follicle (the dominant follicle) will continue to develop because its cells
A) are no longer able to secrete estrogen.
B) are unresponsive to luteinizing hormone (LH).
C) maintain estrogen secretion in the face of falling FSH levels.
D) no longer respond to FSH.
E) have a diminished response to follicle-stimulating hormone (FSH).

Answers

The correct answer is C) maintain estrogen secretion in the face of falling FSH levels.

During the follicular phase of the ovarian cycle, multiple follicles begin to develop due to the influence of follicle-stimulating hormone (FSH) secreted by the pituitary gland. However, as the cycle progresses, the levels of FSH begin to decline, and only one follicle (the dominant follicle) continues to develop. This is because the cells in the dominant follicle are able to maintain estrogen secretion even as FSH levels fall.

The dominant follicle in the follicular phase of the ovarian cycle continues to develop because its cells maintain estrogen secretion in the face of falling FSH levels.

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Why should you not try to gram stain an enterobacter aerogenes culture from an embplate? (1pt)

Answers

The Gram staining test divides species of bacteria into Gram-positive as well as Gram-negative groups. In the test, gram-positive bacteria produce a purple color, whereas, gram-negative bacteria produce a pink tint.

Gram-negative bacteria would normally stain pink throughout the process, although Enterobacter aerogenes already possess a purplish hue due to being cultivated in an EMB plate, hence they shouldn't be Gram stained.

Eosin Methylene Blue agar is present in the EMB plate. Gram-negative bacteria are the only ones that can survive on the plate, hence this test is used to separate them from a sample of other species. Methylene blue, as well as eosin Y, as well as eosin Y is pH indicator dyes. At low pH, they combine to produce a dark purple precipitate.

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Which body vessels carry blood towards the heart?

A. Arteries

B. Capillaries

C. Diaphragm

D. Veins

Answers

Answer:

Arteries

Explanation:

Answer:

Its capillaries

Explanation:

i know this already

Hello people ~
what's zygote? how is it formed? ​

Answers

Zygote is basically an eukaryotic cellIt is formed by fertilization of two gametes i.e male gamete and female gamete .It is the basic structure of all animals.After some unique time a baby rises from this zygote.

3. Food that we consume is a complex compound. How is the food made absorbable by cells?​

Answers

Explanation:

Foods we consume are water soluble, glucose for example are transported in our blood stream and move into cells by active transport, against the concentration gradient. Cells then use the glucose for respiration to release energy

why do grasses and low, scrubby bushes from the primary vegetation on the archipelago of novaya zemlya?

Answers

Grasses and low, scrubby bushes form the primary vegetation on the archipelago of Novaya Zemlya due to its harsh climate and poor soil conditions. These plants are adapted to survive in the region's challenging environment.

Novaya Zemlya experiences a cold polar climate with short, cool summers and long, frigid winters. This limits the growing season and makes it difficult for larger plant species to thrive. Furthermore, the soil in this region is typically thin and nutrient-poor, further restricting the types of vegetation that can grow. Grasses and low, scrubby bushes are well-adapted to these conditions, as they require less energy and resources to grow and maintain compared to larger plants or trees. Additionally, their low growth form offers protection against strong winds and helps to conserve heat in the extreme cold.

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Los elefantes marinos del norte tienen poca variabilidad genética, probablemente, por un proceso que le hicieron pasar los hombres en la década de 1890. La caza hizo disminuir el censo poblacional hasta tan sólo 20 individuos a finales del siglo XIX. Desde entonces, su población ha «rebotado» hasta más de 30 000, pero sus genes todavía llevan las señales de sus aquellas generaciones su variabilidad genética es mucho menor que la de una población de elefantes marinos del sur que no sufrió una caza tan intensa. Este proceso puede denominarse como:


Seleccione una:
Cuello de botella
Especiación
Selección natural
Efecto fundadorLos elefantes marinos del norte tienen poca variabilidad genética, probablemente, por un proceso que le hicieron pasar los hombres en la década de 1890. La caza hizo disminuir el censo poblacional hasta tan sólo 20 individuos a finales del siglo XIX. Desde entonces, su población ha «rebotado» hasta más de 30 000, pero sus genes todavía llevan las señales de sus aquellas generaciones su variabilidad genética es mucho menor que la de una población de elefantes marinos del sur que no sufrió una caza tan intensa. Este proceso puede denominarse como:


Seleccione una:
Cuello de botella
Especiación
Selección natural
Efecto fundador

Answers

Answer:

elefantes marinos mmmmmmmmmm

Where does cellular respiration take place?
mitochondria
nucleus
DNA
chloroplast​

Answers

Cellular Respiration takes place in the Mitochondria

Answer:

A. Mitochondria

Explanation:

Took the test

The diagram represents a dihybrid cross between two pea plants that are heterozygous for both seed color and seed shape.




What is the phenotypic ratio of the offspring?


- 1:1:1:1:2:2:2:2:4

-1:3:3:9

-1:4

-4:12

The diagram represents a dihybrid cross between two pea plants that are heterozygous for both seed color

Answers

Answer:4:12

Explanation:

This question already provides you with the punnet square, genotypes resulting from the cross, and phenotypes resulting from the cross. Simply count the number of green phenotypes (the green circles), and compare them to the number of yellow phenotypes (yellow circles), and you get 4 green for every 12 yellow.

Which of these layers is the deepest?
A. O horizon
B. A horizon
C. C horizon
D. B horizon

Answers

Answer: C) C horizon

Hope this helps!! :D

pH scale *
a. react with acids and bases to keep pH in a range
b. made from repeating units of mostly identical compounds
c. group of atoms held together by covalent bonds
d. measures hydrogen ion concentration
e. what is being dissolved
f. macromolecule that gives us quick energy
g. macromolecule that builds and repairs
h. what is doing the dissolving
i. long chains of repeating subunits, called nucleotides
j. contain unequal areas of charge
k. building blocks of proteins
l. repeating subunits composed of carbon, nitrogen, oxygen, phosphorus, and hydrogen
m. large molecules formed by joining smaller organic molecules
n. have high concentration of hydrogen ions
o. have high concentration of hydroxide ions
p. another name for homogenous mixture



pick just one hurry pls

Answers

Answer:

d

Explanation:

measures hydrogen ion concentration

The pH of a solution is a measure of the concentration of hydrogen ions in the solution. A solution with a high number of hydrogen ions is acidic and has a low pH value. A solution with a high number of hydroxide ions is basic and has a high pH value. The pH scale ranges from 0 to 14, with a pH of 7 being neutral.

Which process turns glucose into energy?

Breathing
Cell division
Cellular respiration
Photosynthesis

Answers

Answer:

cellular respiration

Explanation:

cellular respiration

how are transmitters used by biologists? a. radiotracking c. pcr b. electrocardiograms d. teletracking please select the best answer from the choices provided a b c d

Answers

Transmitters are commonly used by biologists for various purposes like radiotracking (option a) and teletracking (option d).

One way they are used is in radiotracking (option a), which is the process of attaching transmitters to animals in order to track their movements and behaviors. The transmitters emit radio signals that can be detected and located by biologists using specialized equipment. This allows biologists to study the habitat use, migration patterns, and social interactions of the animals being tracked.

Another way transmitters are used by biologists is in teletracking. Teletracking involves the use of transmitters to remotely monitor the location and behavior of animals. For example, transmitters can be attached to marine animals like whales or sea turtles, allowing biologists to track their movements over large distances. This information helps researchers understand the migration patterns, breeding habits, and overall health of these animals.

Transmitters are not commonly used in PCR (polymerase chain reaction) or electrocardiograms (ECGs). PCR is a laboratory technique used to amplify specific DNA sequences, while ECGs are used to measure the electrical activity of the heart. These techniques do not require the use of transmitters.

In summary, transmitters are used by biologists primarily for radiotracking and teletracking purposes. They enable biologists to study the movements, behaviors, and habitats of animals, providing valuable insights into their ecology and conservation. Hence, option a and d are the correct answers.

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the organs of the body can be divided into hollow and solid organs. the histological architecture of hollow organs is that layers of different tissues are arranged around a large lumen. how many layers having distinctly different histological patterns surround the lumen of a cardiovascular organ such as a muscular artery?

Answers

A lumen is a hollow area or channel found inside a tube or tubular organ, like the intestine or a blood vessel.

Organs can be described as hollow or solid. Spleen, liver, and pancreas are examples of solid organs that typically bleed when damaged. When damaged, hollow organs like the gallbladder, stomach, intestines, and bladder leak their contents into the abdominal cavity, also known as the peritoneal cavity.

A lumen, or hollow passage way through which blood flows, exists in every type of vessel. Smaller lumens in arteries than in veins contribute to the maintenance of the blood's pressure as it moves through the body. The lumen's primary function is to convey materials within the body or between the inside and outside, including air, blood, fluids, food, and other materials.

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Somebody help me so I can give y’all some points

Somebody help me so I can give yall some points

Answers

Answer:

Base = 8 to 14acid = 0 to 6neutral = 7blood = 7.4stomach = 1.5 to 6.5

Answer:

base - A

acid - D

neutral - C

blood - B

stomach - E

What is the process of exchanging oxygen and carbon dioxide called?

Answers

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.

Answer: Respiration or Gas exchange in some sources

Explanation:

Which of the following statements about muscles of the elbow joint is true?

a. the brachioradialis originates and inserts on the ulna.

b. The biceps brachii is a posterior extensor.

c. The biceps brachii has two heads that share the same origin site.

d. None of the statements is correct.

Answers

From all the given options, the correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site.

The correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site. The biceps brachii is a muscle located in the upper arm and is involved in flexing the elbow joint. It consists of two heads, the long head and the short head. Both heads share a common origin point at the scapula, specifically the supraglenoid tubercle. The long head of the biceps brachii originates from the supraglenoid tubercle and runs along the intertubercular groove of the humerus. The short head originates from the coracoid process of the scapula. Both heads merge together and insert onto the radial tuberosity of the radius bone in the forearm.

Thus, option (c) correctly describes the origin of the biceps brachii muscle, while options (a) and (b) are incorrect statements.

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question content area top part 1 what type of pathogen is described as a plantlike microorganism that typically will not cause infection in a person with a normally functioning immune​ system?

Answers

Fungi is described as a plantlike microorganism that typically will NOT cause infection in a person with a normally functioning immune​ system.

Bacteria already abound in your body. However, these microorganisms only pose a threat if your immune system is weakened or if they manage to enter a normally sterile area of your body.

Pathogens may spread disease once they enter the body, unlike other organisms.

A pathogen doesn't even need a host to develop and thrive. The infection enters the body of the host, evades the immune system's defenses, and multiplies by using the host's resources before leaving and infecting a new victim. Pathogens can be spread through a variety of techniques depending on the type. Skin-to-skin contact, bodily fluids, airborne particles, feces, and surfaces that have been contacted by an infected person are all ways that they might spread.

Fungi come in numerous types on Earth. There are only roughly 300 reliable sources that are known to be harmful. Fungi can be found almost wherever in the environment, including indoors, outdoors, and on human skin. They spread illness when they grow too much.

A membrane and a substantial cell wall protect the nucleus and other areas of fungus cells. They could be challenging to kill because of how they are built.

The complete question is:

What type of pathogen is described as a plantlike microorganism that typically will NOT cause infection in a person with a normally functioning immune​ system?

A. Helminths

B. Virus

C. Fungi

D. Protozoa

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Urgent!
Answer in brief
Why is soil suitably leveled before sowing seeds?

Answers

Answer:

because when we suitably level it there is high chance to have better seeds and production of plants. when there is good leveling then the plants get all nutrition and water equally with right amount of sunlight.

Other Questions
Which statement about digestion is true? (1)A. Chemical digestion mashes up food; mechanical digestion breaks it up with enzymes.B. Saliva digests food mechanically; teeth digest it chemically.C. Enzymes digest food chemically; teeth digest food mechanically D. Mechanical digestion and chemical digestion occur in the large intestine. The highest elevation in the world is 29,029 feet and the lowest is -35,994 feet. What isthe difference between the two? Use the greater than > , less than Suppose Lin labels the books at a constant speed of s books per minute. There can be several equations written that represent the relationship between her labeling speed and the number of minutes it would take her to finish labeling. Complete the equation below: m = _________ where m is the number of minutes and s is the speed in books per minute. Rex bought a rectangular box of tissues measuring 9 inches by 5 inches by 4 inches. If each tissue has a volume of 0.25 cubic inch, how many tissues are in the box?A.45B.180C.600D.720 Mis amigos ________ de Ecuador. identify the real and imaginary parts of the following complex number: 39i The Spanish Club is going on a trip to Spain over Spring Break so they are planning a fund-raiser. They will sell pralines at lunch on Wednesdays. They found a restaurant that will charge them $0.25 for each praline. The club will spend $25 for supplies. They will sell the pralines for $0.50 each. What is the minimum number of pralines they will need to sell before they begin to make a profit? What were the strengths of the North and the South at the start of the Civil War?Answer the above prompt in paragraph form and incorporate the 5 Ws into your writing (Who, What, Where, When and Why). Your paragraph should be around 5-7 sentences long.In order to incorporate the 5 Ws, be sure to answer these questions within your paragraph:What are the strengths?Who is involved? Individuals? Groups?Where are things taking place?When is this taking place?Why is this significant? Which of the following is NOT a type of endocytic pathways found in mammalian cells?A: phagocytosisB: Clathrin-dependent endocytosisC: receptor-mediated endocytosisD: caveolin-dependent endocytosisE: facilitated diffusion write a program that asks the user to enter the number of ounces of apple cider they want to purchase to take home. it should then calculate and display the correct number of gills and drams. if the result is more than 1024 drams, a message should display indicating that the amount they want is large and they will need to purchase their cider in gallons. if the result is less than 100 drams, a message should display indicating that the amount they want is too small and perhaps they should just order a pint. which weighs more a watermelon that weighs 7.5 kilograms or a baby that weighs 12 pounds? note that 1 pound is about 0.45 kilograms Freddy tiene $250 en billetes de diez dlares. Cuntos billetes de diez dlares tiene Freddy? Le dio 6 billetes de diez dlares a su hermano. Cuntos billetes de diez dlares le quedan? Here are the first four terms of an arithmetic sequence 6 10 14 18 write an expression in terms of n for the nth term of this sequence In a moth population, 47 are brown, 15 are yellow, and 34 are black. What is the approximate probability of a moth being black?A. 2%B. 49%C. 16%D. 35% Which statement best summarizes the health benefit oftrails and greenways?O Greenways preserve open space fromdevelopment.o Trails can be used by pedestrians, bicyclists, andequestrians.It is estimated that 60% of Americans usegreenways and trails for exercise.Greenways are corridors of protected open spacemanaged for conservation and recreation purposes.Greenways often follow natural land or water features,and link nature reserves, parks, cultural features, andhistoric sites with each other and with populated areas.Greenways can be publicly or privately owned, and someare the result of public/private partnerships. Trails arepaths used for walking, bicycling, horseback riding, orother forms of recreation or transportation....Many people realize exercise is important for maintaininggood health in all stages of life; however, many do notregularly exercise. The US Surgeon General estimatesthat 60% of American adults are not regularly active andanother 25% are not active at all. In communities acrossthe country, people do not have access to trails, parks, orother recreation areas close to their homes. Trails andgreenways provide a safe, inexpensive avenue for regularexercise for people living in rural, urban, and suburbanO Trails and greenways allow people to exercise in asafe and inexpensive manner. What single percentage change is equivalent to a 8% decrease followed by a 15% decrease Convert each rate using dimensional analysis. round to the nearest tenth, if necessary. 4.5 qt / min = ____ gal / h a. 67.5 c. 56.3 b. 33.8 d. 65 Instruction: Solve the following problem (show your complete solution/formula)1. In quadrilateral PQRS is a parallelogram, and the measure of angle P=30+x, and Q=x. what is the measure of angle P in degree?2. Refer to the question #1, what is the measure of the angle S? Why might it be difficult for countries to move from communist governments to represent democracies?