initial interactions between fibronectin and integrins help to unfold the fibronectin molecules and increase interactions between the molecules to make a network in the extracellular matrix.truefalse
Answers
The given statement "Initial interactions between fibronectin and integrins helps to unfold the fibronectin molecules and to increase the interactions between the molecules to make a network in the extracellular matrix" is false. Because, initial interactions between fibronectin and integrins do not involve unfolding the fibronectin molecules.
Rather, integrins bind to specific amino acid sequences within the fibronectin protein, which triggers a conformational change that allows the fibronectin molecules to bind to each other and form a network within the extracellular matrix.
This network of fibronectin molecules provides a scaffold for other matrix proteins to bind to, and helps to regulate cell behavior, such as cell adhesion, migration, and differentiation.
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Related Questions
Food webs model the way _______ move through an ecosystem.
Answers
Food webs model the way energy move through an ecosystem
What is food webFood web is a chain of food chains contained in an ecosystem, It models the way through which energy is transferred through the ecosystem. The food chains represents the path through which energy is transferred.
Hence we can conclude that Food webs model the way energy move through an ecosystem.
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Which of the following is the region of the thoracic cavity where the heart is located?
Multiple Choice a.Mediastinum b. Pleura c.Hypogastric region d. Pericardial region
Answers
The region of the thoracic cavity where the heart is located is the mediastinum, option (a) is correct.
The mediastinum is a central compartment of the thoracic cavity, which is bounded by the sternum in front, the vertebral column at the back, and the lungs on either side. It contains several structures, including the heart, thymus gland, great vessels, esophagus, and trachea.
The heart is surrounded by a tough, fibrous sac called the pericardium, which is located in the pericardial region of the mediastinum. The pericardial region is located in the center of the mediastinum and is surrounded by the other structures mentioned above. The pericardium helps to protect the heart and anchor it in place within the mediastinum, option (a) is correct.
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What parts of the supply chain are most closely involved with
the situation in this case? What is the responsibility of each part
in order to maintain a smooth flow of material?
Answers
The parts of the supply chain that are most closely involved with the situation in this case are the suppliers, the manufacturer, the distributor, and the retailer. The responsibility of each part in order to maintain a smooth flow of material is as follows:
Suppliers: The suppliers are responsible for providing the manufacturer with high-quality raw materials on time. The suppliers are also responsible for ensuring that the raw materials are of the required specifications and quality.
Manufacturer: The manufacturer is responsible for converting raw materials into finished products. The manufacturer should ensure that they produce the required products on time and that they meet the desired quality standards. They should also ensure that they are using the right machinery and equipment to produce the required products.
Distributor: The distributor is responsible for transporting the finished products from the manufacturer to the retailer. The distributor should ensure that the products are delivered on time and that they are in good condition.
Retailer: The retailer is responsible for selling the finished products to the consumers. The retailer should ensure that they have the right products in stock and that they are selling them at the right price. They should also ensure that they are providing excellent customer service to their customers.
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Photoautotrophs are able to convert inorganic materials into glucose. In order to do this, they require:
Answers
Answer: sunlight, carbon dioxide, and water
Explanation:
This happens in photosynthesis
After it is labeled, the diagram below will illustrate photosynthesis. Write each of the following terms on the correct numbered line. Then answer the questions that follow. Carbon dioxide Chlorophyll Light Glucose 1. 2. 3. Oxygen Water
Answers
Answer:
2
Explanation:
Carbon dioxide
The correct illustration of the photosynthesis is 1. Carbon dioxide, 2. Oxygen, 3. Glucose, and 4. Water.
What is the process of photosynthesis?Plants absorb water (H₂O) and carbon dioxide (CO₂) from the soil and atmosphere during photosynthesis.
Water is oxidized, which means it loses electrons, while carbon dioxide is reduced, which means it acquires electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into glucose in this process.
The four stages of photosynthesis required to proceed in a plant include light absorption, electron transfer, ATP production, and carbon fixation.
Therefore, the correct illustration of the photosynthesis is 1. Carbon dioxide, 2. Oxygen, 3. Glucose, and 4. Water.
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Why do sea levels rise when temperatures rise?
O Ice already in the ocean melts. Ice in water increases sea levels.
O Ice fields on land melt. The water from the melted ice flows into the oceans.
O More ice fields are formed. This causes sea levels to rise.
O Ice fields on land become larger. This causes sea levels to increase.
A
Answers
Answer:
Sea levels rise when temperatures rise because ice fields on land melt, and the water from the melted ice flows into the oceans.
The correct option is:
B. Ice fields on land melt. The water from the melted ice flows into the oceans.
Explanation:
When temperatures rise, ice fields on land, such as glaciers and ice sheets, begin to melt. The water from the melted ice flows into the oceans, causing sea levels to rise. This is because the water that was previously locked up in the ice on land is now being added to the total volume of water in the oceans.
The melting of ice fields on land is a significant contributor to sea level rise, as these ice fields contain a vast amount of water. For example, the Greenland ice sheet contains enough ice to raise global sea levels by about 7.2 meters (24 feet), while the West Antarctic ice sheet contains enough ice to raise sea levels by about 3.3 meters (11 feet).
In contrast, melting of ice already in the ocean, such as sea ice, does not directly contribute to sea level rise because the ice is already displacing its own weight in water. However, melting sea ice can indirectly contribute to sea level rise by altering ocean currents and increasing the absorption of solar radiation by the ocean, leading to further warming and melting of land-based ice fields.
what does the respritory system do?
Answers
Answer:
The respiratory system's main job is to move fresh air into your body while also removing waste gases.
Explanation:
Your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe.
2. In which part of the cell does respiration happen?
Answers
Answer:
The respiration would happen in the mitochondria.
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Which motion describes molecules in a solid at extremely low
temperatures? *
Moving freely and randomly in a space
Vibrating while closely packed together
Sliding around one another and colliding
Bumping together with some room to move
Answers
Answer:
vibrating while closely packed together
Explanation:
Your question has been heard loud and clear.
Vibrating while closely packed together is the right answer
Since guinea pigs with hair is dominant (h) over not having hair (h) in guinea pigs, what is the phenotype of a hybrid guinea pig?.
Answers
The phenotypic ratio of the hybrid guinea pig is 3:1 (3 black and 1 white).
What is meant by phenotype ?The phenotype, which derives from the Ancient Greek words (phan) "to appear, display, shine," and (tpos) "mark, type," is the collection of visible qualities or characteristics of an organism. The phrase refers to an organism's morphology, or its physical shape and structure, as well as its physiological and biochemical characteristics, behavior, and the outcomes of that behavior. The genotype, or the expression of an organism's genetic code, and the impact of environmental circumstances are the two fundamental components that determine an organism's phenotype. Both elements could interact, which would further impact phenotype. The term "polymorphic" refers to a species that has two or more distinct phenotypes that coexist in the same population.Learn more about phenotype refer to :
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After a night of drinking too much alcohol, a person will rely on which organelle to help detoxify and recover?Select one:a. lysosomes.b. Golgi apparatus.c. smooth endoplasmic reticulum.d. peroxisomes.e. mitochondrion
Answers
Smooth endoplasmic reticulum (SER) is responsible for detoxifying various substances, including alcohol. The enzymes present in the SER can metabolize alcohol and convert it into less toxic compounds. After a night of heavy drinking, the liver's SER works hard to detoxify the body and help the person recover from the effects of alcohol. The correct option is C
What is alcohol ?
Alcohol also known as ethanol, is a psychoactive substance that is commonly used as a recreational drug. It is produced by the fermentation of sugars and starches by yeast and other microorganisms.
Alcohol has a range of effects on the body such as :
Mild euphoriaReduced inhibition Impaired judgment Impaired motor coordinationTherefore, the correct option is C
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Encaustic is an ancient painting medium in which the pigments are suspended in.
Answers
Answer:
Beeswax is correct
Explanation:
:)
In Rutherford’s experiment, why were some particles deflected a small amount?
Answers
In the Rutherford's experiment the most particles have the same charge, so the same charges repel each other therefore the particles deflected.
In Rutherford’s experiment, why were some particles deflected a small amount?In the Rutherford's experiment some of the particles deflected, honestly the Rutherford thought that the particles would fly straight through the foil. However, he found that the particles path would be shifted or deflected when passing through the foil. This is due to the fact that like charges repel each other. But the main reason is that the positive charge of the atom is spread throughout the atom that repelled and deflected the positively charged α-particles.
So we can conclude that in the Rutherford's experiment the most particles have the same charge, so the same charges repel each other therefore the particles deflected.
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What is the term for the phenomenon that occurs when two hormones present together produce effects that are weaker than the effects of either one acting alone?
Answers
Antagonistic is the term for the phenomenon that occurs when two hormones present together to produce effects that are weaker than the effects of either one acting alone.
An antagonism, in ecology is an association between the organisms in which one benefits at the expense of the other. In Biology, it can be defined as A biological response to the exposure to multiple substances which is very less than would be predicted if the known effects of the individual substances were added together. For example, Your little sister or brother benefiting by disturbing you while you study.
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The diagnostic term for distended or tortuous veins usually found in the lower extremities is:
a. hemorrhoid
b. varicose tubules
c. varicose veins
d. aneurysm
Answers
The diagnostic term for distended or tortuous veins usually found in the lower extremities is c.) varicose veins.
Veins are blood vessels that are responsible for returning deoxygenated blood back to the heart. They have valves that prevent the backward flow of blood. However, when these valves malfunction, it can lead to the pooling of blood in the veins and cause them to become distended and tortuous, resulting in a condition known as varicose veins.
Appearance: Varicose veins are enlarged, swollen, and twisted veins, often appearing blue or dark purple. They occur when faulty valves in the veins allow blood to flow in the wrong direction or to the pool, leading to a distended appearance. Most commonly in the legs and feet. Cause: They are caused by weakened vein walls and valves, which can be due to a variety of factors such as genetics, age, obesity, pregnancy, and prolonged standing or sitting.Diagnosis: The diagnosis is typically made based on the appearance of the veins, as well as the symptoms reported by the patient, such as pain, swelling, and aching in the affected area. In some cases, diagnostic tests such as ultrasound may be used to confirm the diagnosis and assess the severity of the condition.Treatment: Options for varicose veins include lifestyle changes such as exercise and weight management, compression stockings, and minimally invasive procedures such as sclerotherapy and endovenous laser treatment. In severe cases, surgery may be necessary to remove the affected veins.Learn more about varicose veins here: https://brainly.com/question/20152828
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When salt is applied to slugs, they immediately shrivel up and die. Use the vocabulary words below to explain why and how this happens.
diffusion, osmosis, membrane, concentration.
Answers
Answer:
osmosis
Explanation:
The process that occurs when a solution meets a permeable membrane.
the small bulge at the end of the axon that sends messages to other neurons are called by?
Answers
Terminal buttons are the tiny protrusions at the end of axons that communicate with neighboring neurons.
What is neuron and its function?The basic building blocks of the nervous system and brain are neurons (also known as neurones or nerve cells). Brain cells are the cells that receive sensory information from the outside world, give control signals to our muscles, and transform and relay electrical signals at each stage along the way.
What is the largest neuron?With a width of 1.1 mm, this R2 cell seems to be the biggest neuron ever captured on camera. When this cell is isolated, a record-breaking 1.965 g of total RNA was produced.
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What is the name of a network of interconnected food chains showing the energy flow through an ecosystem?
Answers
Answer:
Food web
Explanation:
Action potential conduction velocity is higher in a myelinated axon compared to an unmyelinated axon because:_________
Answers
Action potential conduction velocity is higher in a myelinated axon compared to an unmyelinated axon because myelin acts as an insulator and increases the efficiency of action potential propagation along the axon.
Myelin is a fatty substance that wraps around the axon, forming a sheath that acts as an electrical insulator. This insulating layer prevents the leakage of electrical charge and limits the flow of ions across the axonal membrane, resulting in a more rapid and efficient propagation of the action potential.
In a myelinated axon, the action potential is generated only at the nodes of Ranvier, which are the small gaps between adjacent myelin sheaths. This saltatory conduction allows the action potential to jump from one node to the next, resulting in a faster conduction velocity. In contrast, in an unmyelinated axon, the action potential spreads continuously along the axonal membrane, resulting in a slower conduction velocity.
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what are bodies of rock or gas named for ancient gods?
Answers
Answer:
wait, now i search internet and i tell u.
When a person receives a transplanted organ,
many medications are necessary to keep the
organ from being rejected. The process of organ
rejection is similar to the one involved in
(1) the growth of cancerous tissue
(2) an allergic reaction
(3) a genetic mutation
(4) the production of an antigen
Answers
The right response is (2) An allergic reaction.
The body recognizes a transplanted organ as foreign and attempts to attack it, resulting in rejection. This interaction is like a hypersensitive response, where the insusceptible framework erroneously distinguishes an innocuous substance as a danger and assaults it.
Immunosuppressants are medications that reduce the immune system's ability to attack the transplanted organ and prevent organ rejection in patients. To prevent rejection, these medications must be taken for the patient's entire life.
There is no direct connection between organ rejection and the development of cancerous tissue, genetic mutations, or the production of antigens.
The following can be used to explain the incorrect responses:
(1) The process by which cells divide and grow out of control to form a tumour is Organ rejection and has nothing to do with this procedure. growth of cancerous tissue.
(3) A change in the DNA sequence that has the potential to alter a protein's structure or function is known as a genetic mutation. Although genetic factors may increase the likelihood of organ rejection, the rejection process itself is not caused by genetic mutation.
(4) The creation of an antigen is an ordinary piece of the resistant reaction, where the body produces particles that perceive and tie to unfamiliar substances, for example, infections and microbes. In organ rejection, the immune system produces antibodies against the transplanted organ as well, but this is unrelated to the production of an antigen.
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Choose one sort of diversity (for example, age, gender, etc.)
and explain why it is essential as a factor in your opinion.
Answers
The type of diversity that I have chosen is ‘Gender Diversity’ and below are the reasons why it is essential as a factor in my opinion.
Gender diversity refers to the representation of both men and women in the workplace and society as a whole. It includes people of all genders, including non-binary individuals. Gender diversity has a significant impact on the workplace and society in general. As women are still underrepresented in many industries and roles, increasing gender diversity can lead to more opportunities for women and help break down gender stereotypes.
By having a gender-diverse workplace, companies can ensure compliance with these laws and avoid penalties or legal issues in the future.In conclusion, gender diversity is essential because it promotes a more inclusive environment, encourages innovation and creativity, and leads to better decision-making. By having a gender-diverse workplace, companies can improve employee satisfaction, increase profitability, reduce discrimination and biases, and ensure compliance with laws related to gender diversity.
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The reaction has one reactant and at least and at least two products
Answers
Proteins and carbohydrates have many functions in the body of an organism. Specific proteins and carbohydrates perform specific tasks. Information about a protein and a carbohydrate is given below. How are ferritin and glycogen similar in their primary functions for an organism?
A. Both store materials needed by the organism.
B. Both store energy used by the organism
C. Both support the structure of the organism
D. Both store information for the organism
Answers
Answer:
A.Both store materials needed by the organism
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___________ is a protein that stabilizes existing actin micofilaments
Answers
Tropomyosin is a protein that stabilizes existing actin microfilaments.
Tropomyosin is a two-stranded, alpha-helical coiled-coil protein that twists along the actin filament surface, spanning seven actin monomers. It stabilizes existing actin microfilaments by preventing actin polymerization and depolymerization.Tropomyosin is a long, thin, fibrous protein that binds to the actin molecule's grooves.
It stabilizes actin microfilaments by promoting the formation of microfilaments and inhibiting the depolymerization of microfilaments by sterically blocking actin filament association. Tropomyosin's coiled coil binds to a continuous groove on the surface of actin monomers, which serves as a scaffold for troponin to attach to tropomyosin.The tropomyosin molecule stabilizes the actin filament by preventing the myosin head from binding to the actin monomers, causing muscle contraction.
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A group of signs and symptoms attributed to the excessive production of cortisol by the adrenal cortex is:
Answers
Answer:
Too much cortisol can cause some of the hallmark signs of Cushing syndrome
During translation initiation in bacteria, the amino acid on the initiator trna is ________
Answers
During translation initiation in bacteria, the amino acid on the initiator trna is N-formyl methionine (fMet)
What is amino acid?Amino acids are chemical molecules containing side chains unique to each amino acid as well as amino and carboxylic acid functional groups.Proteins are made up of substances called amino acids. Proteins and amino acids are the components of life. Amino acids are the byproducts of the digestion or breakdown of proteins. The substances known as amino acids, or the "building blocks of proteins," play a variety of vital functions in your body. It require them for essential functions like producing hormones, neurotransmitters, and proteins. In meals high in protein like meat, fish, and soybeans, amino acids are concentrated.A carbon atom, a hydrogen atom, a carboxyl group, an amino group, and a variable group are the main structural components of amino acids.
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At a particular locus, the homozygous genotype is lethal. We observe a cross between two heterozygous parents. Which of the following will not be true for their offspring: a) All offspring will look the same - b) The genotype and phenotype ratios will be the same c) All offspring will be heterozygous d) Half of the offspring will die e) Genotype and phenotype ratio will be 1:2:1
Answers
The correct answer is a) All offspring will look the same. If the homozygous genotype is lethal, then all offspring that are homozygous for the recessive allele will die. This means that the only offspring that will survive will be heterozygous.
The genotype and phenotype ratios will be the same, since all of the surviving offspring will be heterozygous. The genotype ratio will be 1:2:1, with 1/4 being homozygous dominant, 2/4 being heterozygous, and 1/4 being homozygous recessive.
The phenotype ratio will also be 1:2:1, with 1/4 being dominant, 2/4 being heterozygous, and 1/4 being recessive.
Therefore, the only option that is not true is a. All of the other options are true.
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What does the CFTR protein transport?
A.mucus
B.sodium ions
C.chloride ions
D.potassium ions
Answers
Answer:
c. chlorine ions
Explanation:
Question is inside the image below.
Answers
Answer:
A
Explanation: