The type of stretching that combines periods of stretch with contraction and relaxation of muscles is?
Answers
The type of stretching that combines periods of stretch with contraction and relaxation of muscles is called proprioceptive neuromuscular facilitation (PNF) stretching.
PNF stretching techniques involve alternating between passive stretching and isometric contractions to enhance flexibility and range of motion. The process typically involves a partner or a therapist who assists in the stretching movements. PNF stretching is commonly used in rehabilitation settings and sports training due to its effectiveness in increasing muscle flexibility.
By engaging both the stretching and contracting muscles, PNF stretching aims to stimulate the proprioceptors in the muscles, enhancing their responsiveness and allowing for a greater stretch.
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Related Questions
The first word of the scientific name is capitalized, functions as a(n) _________ and tells us the ___________ of the organism.
Answers
The first word of the scientific name functions as a noun, as it is used to identify a class of things. It tells us biological classification ranking between family and species, consisting of phylogenetically and/or structurally related species or a single isolated species with a specific diferentiation - the genus.
Therefore, the correct answer is:
The first word of the scientific name is capitalized, functions as a(n) noun and tells us the genus of the organism.
A study shows that the reported proportion of deaths due to heart attack in India before Corona infection was 28.9\%. But during Corona infection, the deaths due to heart attack was said to be 'under-reported'. But a Medical researcher believes that the deaths due to heart attack has increased during Corona infection due to non-availability of ICUs. To verify this 'under-reporting' a medical researcher randomly selected 200 deaths in a city and found that 73 were died due to heart attack. Does the data suggest that the deaths due to heart attack has increased as believed by medical researcher? Use α=0.05.
Answers
The p-value for z = 2.0146 is P (Z > 2.0146) = 0.0222. there is sufficient evidence to suggest that the proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona.
Proportion of deaths due to heart attack in India before Corona infection was 28.9%
Medical researcher believes that the deaths due to heart attack has increased during Corona infection due to non-availability of ICUs. A medical researcher randomly selected 200 deaths in a city and found that 73 were died due to heart attack. Significance level, α=0.05. We need to test the medical researcher's claim of increased deaths due to heart attack during Corona infection. Let p be the proportion of deaths due to heart attack during Corona infection.
Null Hypothesis H₀: p ≤ 0.289 (Proportion of deaths due to heart attack during Corona infection is less than or equal to the proportion before Corona)
Alternate Hypothesis H₁: p > 0.289 (Proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona)
We will use a one-tailed z-test for testing the hypothesis at 0.05 significance level.
z = (phat - p) / √(p(1-p)/n)
where phat = 73/200 = 0.365
n = 200
p = 0.289
z = (0.365 - 0.289) / √ (0.289(1-0.289)/200) = 2.0146
The p-value for z = 2.0146 is P (Z > 2.0146) = 0.0222.
Since the p-value (0.0222) < α (0.05), we reject the null hypothesis.
Therefore, there is sufficient evidence to suggest that the proportion of deaths due to heart attack during Corona infection is greater than the proportion before Corona.
Yes, the data suggests that the deaths due to heart attack has increased as believed by medical researcher.
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Is the yeast we use for baking bread considered "alive"? Students in biology class made the claim that yeast is a living thing. To find evidence, they were given a beaker containing warm water (22oC). To that, they added one package of dry baker’s yeast and 0.5 grams of sugar. After waiting 20 minutes, the students made the observations recorded in the data table seen here.
Answers
Yes, the yeast used for baking bread is considered alive.
Is the yeast we use for baking bread considered "alive"?Based on the observations recorded in the data table, it is clear that the yeast was living since it was able to absorb the sugar and produce carbon dioxide and alcohol.this is evidence of metabolism, a process associated with life.Yes, the yeast used for baking bread is considered alive. The students' experiment revealed signs of life in the yeast, as it had increased in size and produced carbon dioxide gas bubbles.This is a classic example of fermentation, which is a metabolic process that is carried out by living organisms. Fermentation is a process that breaks down sugars and starches and releases energy, carbon dioxide, and alcohol as a byproduct.This is a result of the activity of enzymes that are produced by the yeast. This is a classic example of the fermentation theory, which states that living organisms can produce energy from sugars and starches. This theory was first formulated by Louis Pasteur in the 19th century.To learn more about fermentation refer to:
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Which best explains how Washington’s government manages the negative effects of water issues?
A. It builds fish ladders to help restore migration.
B. It removes fish ladders to help restore migration.
C. It requires homeowners to fix water leaks in their homes.
D. It allows more water to flow through dams to ensure supply.
it is NOT B. "It removes fish ladders to help restore migration" edge 2021
Answers
Answer:
D
Explanation:
Answer: A. It builds fish ladders to help restore migration.
Explanation:
select components of biodiversity. multiple select question. ecosystems in which species live relative abundance of species reproduction rates of species number of species genetic variability of species potential for human benefit from species
Answers
The components of biodiversity are genetic variability, relative abundance, ecosystems, and number of species. The correct options are A, B, D, and E.
What is biodiversity?Biodiversity corresponds to the wide range of life that can be encountered in a particular region, including living creatures, plants, yeasts, and perhaps even pathogens such as bacteria.
Each of these lifeforms and living things collude in ecosystems to find equilibrium and survive in the wild, much like an elaborate system.
Biodiversity refers to the variability of living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems, as well as the ecological complexes of which they are a part.
It includes diversity within species, diversity between species, and diversity of ecosystems.
Genetic variability, relative abundance, ecosystems, and the number of species are all components of biodiversity.
Thus, the correct options are A, B, D, and E.
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Purfiication of LDH by Affinitiy Adsorption to BioSepra Bue Trisacryl MR (using column chromatography):
a. Why was ammonium sulfate precipitation used before the affinity column?
b. Blue dextran is not a substrate of LDH. What properties allow it to bind LDH specifically? What other molecules could be added to a column matrix to elicit similar binding?
c. What allows the salt to dislodge LDH from the column?
d. What are some other possible methods to elute LDH from the column?
Answers
Ammonium sulfate precipitation is commonly used before affinity chromatography to remove contaminants. Blue dextran is used as a non-specific binding control in affinity chromatography. The salt is used to dislodge LDH from the column. There are several possible methods to elute LDH like Changing pH, Gradient elution etc.
a. Ammonium sulfate precipitation is commonly used before affinity chromatography to remove contaminants and impurities from the sample. Ammonium sulfate is a salt that can selectively precipitate proteins based on their solubility. By adding ammonium sulfate to the solution containing LDH, it can cause proteins other than LDH to precipitate out, leaving behind a more purified LDH sample.
b. Blue dextran is used as a non-specific binding control in affinity chromatography. It is not a substrate for LDH, meaning LDH does not bind to it specifically. The binding of LDH to the affinity matrix (BioSepra Blue Trisacryl MR) is achieved through a specific interaction between LDH and ligands immobilized on the matrix. The specific binding properties of LDH to the affinity matrix are usually determined by the choice of ligands that have high affinity and specificity for LDH. These ligands can be antibodies, enzymes, or other molecules that have a high binding affinity for LDH.
To elicit similar binding, other molecules with high affinity and specificity for LDH could be added to the column matrix. For example, specific antibodies against LDH could be immobilized on the matrix to selectively bind LDH.
c. The salt is used to dislodge LDH from the column by disrupting the specific binding interaction between LDH and the ligands on the affinity matrix. The high salt concentration competes with LDH for binding to the ligands, effectively displacing LDH from the matrix. This allows LDH to be eluted from the column and collected in the elution fraction.
d. There are several possible methods to elute LDH from the column in addition to using high salt concentrations. Some common elution methods include:
- Changing pH: Adjusting the pH of the elution buffer to a value that disrupts the LDH-ligand interaction can facilitate LDH elution.
- Competitive elution: Introducing a competing ligand that has a higher affinity for the matrix-bound ligands than LDH can displace LDH and elute it from the column.
- Using chaotropic agents: Chaotropic agents, such as urea or guanidine hydrochloride, can disrupt the LDH-ligand interaction and facilitate LDH elution.
- Gradient elution: Gradually increasing the concentration of a specific eluent (e.g., a salt or organic solvent) in the elution buffer can gradually weaken the LDH-ligand interaction and elute LDH from the column.
The choice of elution method depends on the specific characteristics of the affinity system and the desired purity and activity of the eluted LDH.
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Justify the solution proposed in c)(i) by explaining an additional benefit, other than reducing global climate change or decreasing the amount of carbon dioxide in the atmosphere.
Answers
In the solution proposed in c)(i), which involves planting trees and reducing deforestation, there is an additional benefit of biodiversity conservation.
Trees and forests provide habitats for a wide range of animal species, and deforestation can result in the loss of these habitats and the extinction of many species. By planting trees and reducing deforestation, we not only help reduce global climate change and decrease the amount of carbon dioxide in the atmosphere but also help conserve biodiversity and ensure the survival of many species that depend on forests. Additionally, forests provide important ecosystem services such as purifying air and water, regulating the climate, and providing resources for human use, such as timber and medicine.
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TRUE/FALSE. if cultural practices slow down the transmission rate of the hiv virus, it may help us to drive the fast killing (or virulent) strains out of circulation.
Answers
how are volcanoes like windows to the inside of Earth
Answers
Answer:
They emit steam and volcanic gases, such as sulfur dioxide and carbon dioxide. Fumaroles create pathways for rising heat, volcanic gas, and magma. Openings stemming down into the pool of magma. Cracks and fumaroles act like a window so scientists can get a glimpse of the gases inside volcanoes.
Explanation:
An organisms that produce its own food source using the energy form the sun or from breaking down inorganic molecules is termed a(n)
Answers
An organism that produces its own food source using the energy from the sun or from breaking down inorganic molecules is termed an autotroph. Autotrophs are able to convert energy from sunlight or inorganic compounds into organic molecules through the process of photosynthesis or chemosynthesis, respectively.
In photosynthesis, autotrophs such as plants, algae, and some bacteria use sunlight to convert carbon dioxide and water into glucose and oxygen. This process occurs in the chloroplasts of plant cells.
In chemosynthesis, certain bacteria and archaea can obtain energy by breaking down inorganic compounds like hydrogen sulfide, ammonia, or iron, and use that energy to synthesize organic molecules.
Autotrophs play a crucial role in ecosystems as they are the primary producers, forming the basis of the food chain by providing energy and nutrients for heterotrophs, which are organisms that cannot produce their own food and rely on consuming other organisms.
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What would be the effect of an antagonist binding to an inhibitory G protein-coupled receptor whose primary function is to decrease serotonin release from the cell
Answers
If an antagonist binds to an inhibitory G protein-coupled receptor whose primary function is to decrease serotonin release from the cell, it would lead to an increase in serotonin release.
Inhibitory G protein-coupled receptors are typically involved in reducing the activity of intracellular signaling pathways that stimulate neurotransmitter release. By binding to these receptors, an antagonist would block their inhibitory effect, leading to increased activity of the signaling pathway and enhanced neurotransmitter release. In the case of serotonin, an increase in its release could have various effects on the nervous system, including regulation of mood, appetite, and sleep, among others, depending on the specific receptors and neural circuits involved.
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Buse your answer to the question on the topographic map below and on your knowledge of Earth science. On the map, points A, B, C, and represent surface locations. The dashed line between points and represents a hiking trail.
.500
Good Sur
Ocean
10 m
The gradient between location A and location is approximately
Answers
Answer:500 feet
Explanation:
It is correct
What are some Characteristics of a frog after metamorphosis
Answers
Answer:
its leg are developed-------------------------------
when two previously isolated populations begin interbreeding and exchanging genes, we call it
Answers
Answer:
genetic drift
A ______ food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level. renr 205
Answers
Answer:
The grazing food chain
Explanation:
There are two kinds of food chains one starting with autotrophs, the grazing food chain, and the other starting with dead organic matter, the detrital food chain.
A Grazing food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level.
What is Food chain and its types?Food chain shows the relationship between individuals which form a linear chain. Energy flows from one trophic level to another in a food chain. It refers to the sequence of events in an ecosystem, where one living organism eats another organism, and that organism is subsequently eaten by another higher level organism.
There are 2 types of food chains. they are
1. Grazing Food Chain
In this, energy and nutrients move from plants to herbivores and then to carnivores or omnivores that prey on the herbivores.
2. Detrital Food Chain
In this the dead organic matter of plants and animals is broken down by decomposers like bacteria and fungi which goes to the herbivores and then to the carnivores.
Thus, a Grazing food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at the second trophic level.
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Which of the following changes following the start codon in the mRNA would most likely have the greatest deleterious effect?A) a deletion of a single nucleotideB) a deletion of a nucleotide tripletC) a single nucleotide substitution of the nucleotide occupying the first codon positionD) a single nucleotide substitution of the nucleotide occupying the third codon position
Answers
Answer:
A) a deletion of a single nucleotide would most likely have the greatest deleterious effect.
Explanation:
The genetic code in the mRNA is read in groups of three nucleotides called codons, which correspond to a specific amino acid. A change in any of the nucleotides in a codon can cause a change in the amino acid that it codes for, which can affect the structure and function of the protein that is synthesized. The start codon is the first codon read by the ribosome and initiates translation, so it's essential for the correct initiation of protein synthesis.
A deletion of a single nucleotide would disrupt the reading frame of the mRNA, causing a frameshift mutation, and all the codons downstream of the deletion would be shifted by one nucleotide, leading to a different amino acid sequence than the original one. This would likely have a greater deleterious effect on the protein's structure and function than a single nucleotide substitution.
A deletion of a nucleotide triplet would have similar effect as a deletion of a single nucleotide, since it would also disrupt the reading frame. A single nucleotide substitution at the first codon position would change the amino acid at the start of the protein, but it may not be as disruptive as a frameshift mutation. A single nucleotide substitution at the third codon position may also cause a change in the amino acid, but it is less likely to have a significant effect on the protein's structure and function than a frameshift mutation.
Which energy transformation occurs when the archer releases the string?
OA. Elastic energy is transformed into electrical energy.
OB. Chemical energy is transformed into elastic energy.
OC. Elastic energy is transformed into kinetic energy.
D. Potential energy is transformed into elastic energy.
Answers
Answer:
OA. Elastic energy is transformed into electrical energy.
Explanation:
pls hart and mark brainiest
In which two ways do these molecules fight pathogens in the body?
Answers
In the image, we can see antibodies with antigens attached.
The antibodies help us to fight pathogens by binding and recognizing pathogens (C and D), the binding can tag the pathogen to let know other cells of the immune system or it can directly deactivate the pathogen.
Discuss the advantages of compartmentalizing functions into organelles, and provide at least two specific examples.
Answers
Answer:
Separating a cell into 2 different parts allows for the creation of specific environments in a cell.
Explanation:
Separating a cell into 2 different parts allows for the creation of specific environments in a cell.One example would be Nuclear Envelope.The nuclear envelope is a double membrane Where the two membranes are separated by space.Another example would be the Endoplasmic Recticulum. The endoplasmic recticulum has two different parts which are the smooth er and the rough er. The smooth er is smooth at the top because it lacks ribosomes.The rought er is rough because it has studded ribosomes on the outer surface of the membrane.
Which of the following does NOT occur during prophase? a. the separation of centrosomes b. the beginning of mitotic spindle assembly c. the capture of chromosomes by kinetochore microtubules d. the disassembly of interphase microtubules e, the nucleation of microtubule asters
Answers
Of the following options, the nucleation of microtubule asters (E) does NOT occur during Prophase
What are microtubule asters?During Prophase, microtubule asters nucleate to form a radial array of microtubules. In this array, the centrosomes form the two poles of the mitotic spindle while the microtubules overlap each other in the middle. Microtubule asters are critical for the formation of spindle fibers during cell division.
The process in which chromosomes condense and nuclear envelope breaks down to prepare for mitosis is known as Prophase. In prophase, many events occur in preparation for the mitosis, such as the separation of centrosomes, the beginning of mitotic spindle assembly, and the capture of chromosomes by kinetochore microtubules. However, the nucleation of microtubule asters does NOT occur during Prophase. Hence, the correct answer is Option E.
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What makes a substance an infectious agent and a target for your immune system? What physical barriers keep infectious agents out of the body?
Answers
The skin, nasal mucosa, perspiration, cerumen, mucus, and gastric juice are examples of natural barriers. Moreover, the regular flow of urine flushes bacteria into the urinary system.
How does the human body's physical, chemical, and biological defences to disease look like?Pathogens are literally blocked from reaching the body through mechanical barriers, namely the skin, mucous membranes, and body substances such tears & urine. Pathogens on bodily surfaces are killed by chemical barriers, such as the microbes in saliva, perspiration, and sperm.
What are the five physical barriers?Time, Location, Space, Temperature, and Noise are the main environmental and physical constraints. Some of these are simple to change, while others could prove to be challenging barriers to good communication.
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Which of the following DOES NOT OCCUR
in Prophase (which includes
prometaphase)?
the nuclear membrane starts to break
down and desintegrates
chromosomes line up at the equator of the
cell
the chromatin condenses into
chromosomes
the centrioles form spindle fibers
spindle fibers attach to the kinetochore of
the chromosomes
Answers
Answer:
Chromosomes line up at thr equator of the cell.
Explanation:
Chromosomes line up at thr equator of the cell occurs in metaphase. So, it aint occur in prophase
What are the three main components of a DNA molecule?
A. a sugar, a nucleotide, and an amino acid
B. a sugar, a water molecule, and a nitrogenous base
C. a sugar, a phosphate group, and a nitrogenous base D.
a sugar, a phosphate group, and an amino acid
Answers
Answer:
a sugar, a water molecule, and a nitrogenous base
Explanation:
Answer:
a sugar, a phosphate group, and a nitrogenous base
Explanation:
i had it for study island that was the correct answer
why are teenage girls at an increased risk for contracting sexually transmitted infections (stis)? they have an immature anatomy. they have lower levels of protective antibodies. they have both an immature anatomy and lower levels of protective antibodies. neither having an immature anatomy nor having lower levels of protective antibodies is able to explain the increased risk for stis.
Answers
Teenage girls are at an increased risk for contracting sexually transmitted infections (STIs) because they have both an immature anatomy and lower levels of protective antibodies.
STIs or sexually transmitted infections are illnesses passed on through sexual contact. There are at least 30 different sexually transmitted bacteria, viruses, and parasites. Among adolescents, the risk of getting an STI is particularly high.
They are more likely to get infected with STIs due to their increased engagement in sexual activity and the biological and behavioral characteristics of their sexual partners. During puberty, the female body undergoes several changes in response to hormones, including an increase in genital tissue and the production of vaginal discharge. The cervix, which serves as a protective barrier, has not yet fully matured, and cervical mucus is less effective at trapping and expelling infectious agents.
The lower level of protective antibodies in teenage girls also puts them at a higher risk for STIs. It's because antibodies are proteins that recognize and target harmful germs. Adolescents don't have the same quantity of protective antibodies in their blood as adults because they haven't been exposed to as many infectious agents. Based on the given information, teenage girls are at an increased risk for contracting STIs because they have both an immature anatomy and lower levels of protective antibodies.
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I have to make a portfolio about a chapter called Natural Resources. What topics should the portfolio include?
Answers
Answer:
Explanation:
I'll give you a few things to do overall, but the other one who answered my question has all the good points. Your portfolio must include :-
Cover Page Table of contents
Topic of discussion and brief explanation
Charts, pictures or any art works relevant to the topic
Survey, Project or Case study
Brief conclusion
Reference {Websites from which you reffered }
Hope it helps! Thank you!!!
Which pressure is exerted by the proteins in the blood that ""sucks"" water into the capillary?
Answers
Colloid osmotic presure is exerted by the proteins in the blood that ""sucks"" water into the capillary.
Water is held inside the circulatory space by colloid osmotic pressure (COP), or osmotic pressure imposed by big molecules. It is typically produced by plasma proteins, which are slow to permeate across capillary membranes. Proteins are the cause of plasma oncotic pressure because they prevent the interstitium and plasma from freely communicating with one another.
As a result, the proteins have an osmotic effect on the capillary walls. The most prevalent plasma protein is albumin. Peripheral edoema and vascular volume loss can both be influenced by inadequate COP. A typical COP is around 20 mmHg. Peripheral edoema is a danger for patients with COP values under 15 mmHg.
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Which two elements make up water?
oxygen and phosphorus
oxygen and hydrogen
hydrogen and sulfur
hydrogen and phosphorus
Answers
Answer:
H = Hydrogen
O = Oxygen
Explanation:
Which sectors of human life were profoundly impacted by the emerging international trading system? (check all that apply.)
Answers
The emerging international trading system has deeply affected all sectors of human life. The following are some of the sectors of human life that were profoundly impacted by the emerging international trading system: Agriculture Sector: The international trade system has dramatically influenced the agricultural sector.
The primary export product is agricultural commodities such as coffee, cocoa, tea, and tobacco. International trade has also facilitated the exchange of technology and information, resulting in increased crop yields. Industrial Sector: The industrial sector has benefited from the international trade system. Countries that focus on the production of high-value goods have been able to take advantage of new markets. Industrialized nations are often the recipients of low-cost goods, such as textiles and electronics, from developing nations. Service Sector: The international trade system has impacted the service sector. The service sector has gained from trade in financial and legal services The industrial sector has also benefited from low-cost goods from developing countries, including textiles and electronics. The service sector has seen significant growth in outsourcing as a result of new technologies, resulting in the development of call centers, software development, and customer support centers. The international trade system has had a substantial impact on the world's economy and improved the quality of life of people worldwide.
The emerging international trading system has had a profound impact on all sectors of human life, including agriculture, industrial, and service sectors. The impact of international trade has significantly contributed to the development of the global economy, which has improved the quality of life of people worldwide.
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what are top consumer
Answers
Answer:
it is a food chain.
I can't write more it's not allowed
describe where on earth you think air pressure would be greatest
HELPPPPPPP SOMEONEEE
Answers
Answer:
The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes. With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude
Explanation:
Just change it little bit dont put it all/ I looked this up