The empirical formula of disaccharides: The general chemical formula of disaccharides is C12H22O11.
What is the empirical formula?
The simplest whole-number ratio of atoms in a chemical molecule is its empirical formula. Sulfur monoxide's empirical formula, SO, and disulfur dioxide's empirical formula, S2O2, are two straightforward examples of this idea. The empirical formula is typically applied to simply display the components of a molecule. When one wants to quickly identify the elements they are working with, this is helpful. When you want to know how many atoms of each element are present in the compound, the molecular formula is the most helpful.
The empirical formula of glucose: Cx(H2O)n, where n is an integer ranging from 3 to 9.
The empirical formula of disaccharides: The general chemical formula of disaccharides is C12H22O11.
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explain what features of endospores make them so resistant to microbial control, and how sterilizing techniques work to destroy them.
Endospores are resistant to environmental stresses that would usually result in the bacterium's death. These stresses include high temperature, intense UV irradiation, desiccation, chemical damage and enzymatic degradation.
Because they contain less water and have a slower metabolism than vegetative organisms, bacterial endospores are more resistant to disinfectants. Not all microorganisms respond to disinfection in the same way. However, there are two ways to eliminate bacterial endospores. The first technique involves spore killing at high temperatures. The second technique involves reactivating endospore germination to produce active bacteria that can be quickly eliminated using conventional sterilizing techniques.
The dehydration of the core protoplast caused and maintained by the osmotic activity of enlarged electronegative peptidoglycan polymer may be the cause of the exceptional heat resistance of bacterial endospores.
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The spinal column is sometimes referred to as the backbone
True Or False
The statement the spinal column is sometimes referred to as the backbone is TRUE because it provides structural support to the body.
What is the spinal column in the human body?The spinal column is a series of vertebrae which include cervical spine vertebrae, thoracic spine vertebrae, lumbar spine vertebrae and sacral spine vertebrae. These bones are able to support the weight of the body.
Therefore, with this data, we can see that the spinal column in our body provides a structure that supports the human body.
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Compare the water cycle to other cycle you have learned about cience. How are they the ame? How are they different?
*
The hydrological cycle is a real-world occurrence. Transpiration is the process through which water from the air or the leaves of plants evaporates.
What does the company Cience do?Through multi-channel prospecting, CIENCE aids businesses in expanding. With predictable outcomes, we begin with highly reliable statistics (>200M Contact universe), than offer lead generation & outbound sales processes to establish qualified engagements with our clients' ideal customers.
Is a generation a lead?In order to improve future sales, the process of attracting potential consumers' interest is known as lead generation. A lead is a potential customer who has expressed interest in a firm's products or services yet may not yet be eligible to make a purchase.
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When cells have a higher concentration of electrolytes outside the cell than inside, water will flow.
When cells have a higher concentration of electrolytes outside the cell than inside, water will flow into the cell until the concentration equalized.
What are electrolytes ?In a solution An electrolyte is a substance when molten, ionizes and conducts electricity, it can be either weak or strong electrolyte.
A weak electrolyte is defined as a solution in which only small fraction of the dissolved solute exists as ions where as in strong electrolyte complete electrolyte dissolves in water.
Weak electrolyte has medium level of conductivity, Strong electrolyte Contains a complete solute, so it has strong conductivity and Non-electrolyte has little or no conductivity.
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List three factors that affect climate and tell what conditions they modify
The three factors that affect climate include the following below:
Ocean currents.Wind and air masses.Altitude.What is Climate?This is referred to as the atmospheric condition of a place in a long time and is affected by different types of factors such as ocean currents, altitude etc.
The ocean current is responsible for the distribution of heat and moisture all around the world. It can also store radiations from the sun which helps prevents its uneven distribution.
Wind and air masses are also among the factors because they are involved in the movement of a weather pattern such as heat etc from one place to another. People living in areas which have a high altitude means they have a very cold climate due to the presence of low air pressure.
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The graphs below show the rates of
photosynthesis over two days. Besides
light intensity, what factor might explain
the differences between the rates
during the daytime?
Since photosynthesis predominates during the day, there is a net emission of oxygen. At night, respiration continues even though photosynthesis stops, resulting in a net oxygen consumption.
What differences between the rates during the daytime?The rate of photosynthesis will increase as you go from low light intensity to highlight intensity because there is more light available to power the processes of photosynthesis.
The amount of light is also affected by other elements like curtains, trees outside the window, weather, the time of year, shade from nearby structures, and the condition of the windows.
Therefore, Inside a house or business, reflective, light-colored surfaces tend to boost light intensity whereas dark surfaces reduce it.
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what kind of protist is this? group of answer choices ciliate plasmodial slime mold flagellate foram
The kind of this protist is plasmodial slime mold.
Thus, the correct option is B.
What is protist?Protists аre simple eukаryotic orgаnisms thаt аre neither plаnts nor аnimаls or fungi. Protists аre unicellulаr in nаture but cаn аlso be found аs а colony of cells. Most protists live in wаter, dаmp terrestriаl environments or even аs pаrаsites.
Kingdom Protista is classified into the following:
ProtozoaSlime mouldsChrysophytes, Dinoflagellates and EuglenoidsWhat is plasmodial slime mold?Plasmodial slime molds (myxomycetes) are а group of fungus-like orgаnisms usuаlly present аnd sometimes аbundаnt in terrestriаl ecosystems. The myxomycete life cycle involves two very different trophic (feeding) stаges, one consisting of the uninucleаte аmoebаe, with or without flаgellа, аnd the other consisting of а distinctive multinucleаte structure, the plаsmodium.
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Which of the following is true about ecological succession?
O secondary succession is much slower than primary succession
O Primary succession comes after secondary succession
O During succession one species replaces another species over time
O a tornado would cause primary succession to occur
O secondary succession occurs when bare rock is colonized by organisms such as algae
Answer:During succession one species replaces another species over time
Explanation:example: If lichen comes first, then grass or whatever will gradually replace the the lichen (or another example, that one was kinda bad)
a cell acquires a new mutation that raises its immediate direct fitness but lowers the inclusive fitness it will have later. will there be natural selection for the new mutation or against it when it first appears? group of answer choices
When a mutation first appears, the selection would occur against it as it lowers the inclusive fitness.
A technique for gauging the effectiveness of evolution is inclusive fitness. It is the capacity of an individual to pass on genes, including those shared with relatives, to the following generation.
However, advantageous mutations will proliferate and boost the population's overall fitness. They produce unique protein variations that help organisms adapt to changes in their environment. Most of the time, natural selection boosts evolutionary fitness and causes organisms to adapt to their environments. Thus, in this case the selection would be against the mutation.
Positive mutations are essential for evolution to occur. They increase an organism's likelihood of surviving or procreating, so they are likely to spread over time and become more widespread.
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Complete question is:
A cell acquires a new mutation that raises its immediate direct fitness but lowers the inclusive fitness it will have later. will there be natural selection for the new mutation or against it when it first appears? group of answer choices
A. selection for the mutation
B. the two effects will cancel out
C. selection against the mutation
D no selection will occur
PLS HELP ITS FOR MY EATH SCIENCE CLASS?!?!
Our closest exoplanet and Earth-sized planet is Proxima Centauri b.
Proxima Centauri b is in the habitable zone, but why is it not a suitable
Earth 2.0?
A enormous amounts of radiation from mega flares hit the planet
roughly once every year
B it lacks an atmosphere, therefore most likely lacks water
C extreme temperature changes on the surface
D all of the above
Answer:
A
Explanation:
https://phys.org/news/2018-04-proxima-centauri-flare-powerful-visible.html
B cannot be correct because there is in fact, water on Proxima Centauri B.
It most likely isn't C, I researched for any truth in answer C but I couldn't find any.
Hope this helps! I'm really sorry if I'm wrong because I tried very hard to look for a solid answer :[
blood flows through a coronary artery that is partially blocked by deposits along the artery wall. blood flow through which part of the artery is the flux (mass of blood per unit time) largest?
Blood flows through a coronary artery that is partially blocked by deposits along the artery wall then blood flow through which part of the artery is the flux largest: flow rate is the same in both parts.
How does blood flow?Blood flows through a network of vessels that is called the circulatory system. When blood returns to the heart, it flows to the lungs to receive oxygen. Then the heart pumps the blood out to the rest of body and the process begins again.
Coronary arteries supply blood to the heart muscles which needs oxygen-rich blood to function and oxygen-depleted blood must be carried away.
Coronary arteries receive the maximum blood flow during diastole because this is when the heart is relaxed, and they receive least blood flow during systole because this is when the myocardium contracts are decreasing the blood flow through coronary arteries.
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in horses, crossing a chestnut brown horse with a creamy white horse can result in a palomino horse that is light brown in color (see below). this is an example of:
Example is Incomplete dominance leads to the inheritance of the palomino coat color in horses.
How does incomplete dominance differ from codominance?There are two different types of genetic inheritance: full dominance and codominance. Codominance basically means that neither allele is able to suppress or obstruct the expression of the other allele. However, incomplete dominance occurs when a dominant allele only partially obscures the effects of a recessive gene.
How can you determine if something has partial dominance?When a dominant allele, or form of a gene, does not entirely block the effects of a recessive allele, the resultant physical appearance of the organism reveals a mixing of both alleles. It is also referred to as partial or semi-dominance.
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1. during transduction involving a p1 phage, a. any small fragment of the bacterial chromosome may be transferred to another bacterium by a new phage. b. only a specific fragment of dna may be transferred to another bacterium by a new phage. c. any small fragment of the bacterial chromosome may be transferred during conjugation. d. only a specific fragment of dna may be transferred during conjugation.
During transduction that is involving a P1 phage : a.) any small fragment of the bacterial chromosome may be transferred to another bacterium by bacteriophage.
What is transduction ?Process by which a virus transfers genetic material from one bacterium to the another is called transduction and viruses called bacteriophages infect bacterial cells and use them as hosts to make more viruses.
Phage P1 mediate generalized transduction between E. coli strains and the other Gram-negative bacteria.
P1 genes that are expressed in the lytic pathway are those that are involved in the timing of phage development, in replication, in formation of phage particles, including headful packaging and then finally in cell lysis to release the phage progeny.
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What are the three common patterns of population distribution? a. clumped, random, and curved b. evenly spaced, clumped, and curved c. clumped, evenly spaced, and random d. random, curved, and evenly spaced please select the best answer from the choices provided a b c d
The three common patterns of population distribution are c. clumped, evenly spaced, and random.
According to three basic patterns of population distribution, describe all the three ways?organisms in a given population can display:
1) Uniform Dispersion: Uniform dispersion is the distribution of organisms within a population such that they are evenly spaced from one another and are more or less evenly distributed throughout an area.
2) Random dispersion- This is evident when the organisms in a population are dispersed randomly, meaning that there is no discernible pattern between them.
3)Clumped: This is a term used to describe creatures that create clumps or clusters when they are present.
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The expanded articular end of an epiphysis that is separated from the shaft by a narrower neck is called a.
The expanded articular end of an epiphysis that is separated from the shaft by a narrower neck is called a Head.
The body constantly remodels the living, active tissues that make up bones. They sustain the body's structure, safeguard important organs, and provide movement of the body. They also serve as a space for the bone marrow, which the body uses to produce blood cells, and a repository for minerals, particularly calcium.
There are two different forms of tissue that make up bones.
A hard, dense, robust, and long-lasting outer layer is called compact (cortical) bone. It creates the outer layer of bone and accounts for around 80% of mature bone mass.The remaining 20% of bone is made up of trabecular (or spongy) bone, which is made up of a network of rod-like structures called trabeculae. Compared to compact bone, it is lighter, less thick, and more flexible.Head is a conspicuous, rounded bone extension that is a component of a joint. It has a neck that separates it from the bone's shaft. Inside a synovial capsule, the head is often coated in hyaline cartilage.
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How many chromosomes would a cell have after mitosis if it has 24 chromosomes during interphase?
If a cell has 24 chromosomes during interphase then after mitosis or mitotic division it will have 24 chromosomes.
Interphase is the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.
Mitosis or mitotic division is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
If a cell has 24 chromosomes during interphase then the daughter cell resulting from mitotic division or mitosis will have 24 chromosomes.
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DNA carries the cell’s genetic information; however, it cannot leave the __________________. Because of this, it copies part of its nucleotide sequence into a complementary copy of ______________ during the process called _____________________. During this process, ___________Polymerase separates the DNA strands. It then uses one strand of DNA as the __________________ from which nucleotides are assembled into a strand of RNA. Each three letter sequence on the mRNA is called a ______________. The start codon is ____________ and the three stop codons are _____________, ____________, _____________. Once the mRNA leaves the nucleus it goes to the ____________________ to prepare for protein synthesis which is called ___________________. During this process, a ______________ molecule brings the _________________________ to the ribosome. The amino acids are hooked together by ____________________bonds. The tRNA is able to match up to the mRNA by its _______________________. When the stop _________________ is reached, the __________________ chain is released into the ______________________.
DNA carries the cell’s genetic information; however, it cannot leave the nucleus. Because of this, it copies part of its nucleotide sequence into a complementary copy of mRNA during the process called transcription.
How to illustrate the information?During this process, helicase polymerase separates the DNA strands. It then uses one strand of DNA as the template codon from which nucleotides are assembled into a strand of RNA. Each three-letter sequence on the mRNA is called an AUG. The start codon is ____________ and the three stop codons are UAG UGA UAA.
Once the mRNA leaves the nucleus it goes to the ribosome to prepare for protein synthesis which is called translation. During this process, a tRNA molecule brings the amino acid to the ribosome. The amino acids are hooked together by peptide bonds. The tRNA is able to match up to the mRNA by its complimentary bases. The protein chain is released into the cytoplasm when the stop is reached.
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When building a new
complementary strand, each
strand of the DNA molecule
serves as which of these?
During DNA replication, each of the two strands that make up the double helix serves as a template from which new strands are copied.
What is template?
The DNA polymerase enzyme bases the replication of DNA on a single strand of DNA known as a DNA template.
The double-stranded DNA is divided into two single-stranded molecules during the replication process. After working with these single strands, the DNA polymerase creates a fresh second strand of DNA on each of the two single strands. You just need one strand of DNA, which may be used as a template to replicate the missing strand of DNA thanks to complementary base pairing in DNA (A-T and G-C).
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what techniques could be used to demonstrate that a mutation in a man with hemophilia is due to the insertion of an alu element into the coding sequence of the x-linked gene for factor viii, one of the proteins needed for efficient blood clotting in humans?
Therefore, if a guy inherits an X chromosome that has a mutation in either the factor VIII or factor IX gene, they may develop a disease similar to hemophilia. Hemophilia can also affect women, however this is far less common. In these situations, either both of the X chromosomes are afflicted, or one is affected while the other is absent or inactive.
What is Mutation ?A mutation in biology is an adjustment to the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA. DNA or RNA can be found in the viral genome.
Mutations that are harmful can result in cancer or genetic diseases. A genetic disorder is a condition brought on by a change in one or more genes. Cystic fibrosis is a human example. A single gene mutation causes the body to create thick, sticky mucus that obstructs digestive organ ducts and clogs the lungs.
Missense, nonsense, insertion, deletion, duplication, and frameshift are just a few categories of gene mutations. The advent of lethal diseases like cancer is one of the main consequences of a gene mutation.
What is Hemophilia ?An genetic bleeding ailment called hemophilia causes the blood to clot improperly. This may result in both spontaneous bleeding and bleeding after injury or surgery. Blood contains a variety of clotting proteins that can aid in halting bleeding.
A moderate form of hemophilia A or B usually results in substantial bleeding after an accident. Additionally, you can have bleeding after an injury if you have hemophilia A or B in its most severe forms. spontaneous bruising of the muscles or joints
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2. what are the correct names for the bumps and fissures that make the cerebral cortex appear wrinkled?
Gyri are the correct name for the bumps and fissures that make the cerebral cortex appear wrinkled.
The cerebral cortex, the outer layer of the brain, is extremely unlevel and has a characteristic pattern of folds and grooves called sulci and gyri. The brain's lobes are split in humans by a variety of ridges and grooves. Gyri (bumps) and sulci (groves or fissures) are the terms for them. More cerebral cortex matter can fit inside the skull thanks to the folding of the brain and the accompanying gyri and sulci, which increase the surface area of the brain.
Gyri and sulci are the terms used to describe the folds and grooves in the brain. The folding of the cortex, the area of the brain in charge of higher cognitive functions including memory, language, and awareness results in the development of certain morphological characteristics.
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why are most stray cats short haired cats
Most stray cats are short haired cats because according to the American Humane Society, roughly 95% of all cats are short hair cats.
What are cats?The cat is a domestic species of small carnivorous mammal which is the only domesticated species in the family Felidae and is commonly referred to as the domestic cat or house cat to distinguish it from the wild members of the family.
So most cats have shorts hairs and doesn't just apply to stray cats. Research claims that some people claim that long hair cats are more expensive and rare, so the owner is likely to take better care of them and keep them indoors.
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true or false? during atrial contraction, the papillary muscles are relaxed, and av valves are open
TRUE. During atrial contraction, the papillary muscles are relaxed and av valves are open..
The cardiac cycle is accompanied by brief negative deflections in the primarily forward-moving blood in the veins caused by atrial contraction of the heart, which produces pulse waves that are conveyed from the heart into the venous system.
Just before ventricular systole, atrial contraction gives the ventricular volume one more boost. When the pressure in the ventricle surpasses the pressure in the atrium due to ventricular contraction, the mitral valve closes.
The atrial contraction, also known as the atrial kick, is the last stage. It occurs when the cardiac muscle in the atrium contracts, increasing pressure and causing more blood to flow past the mitral valve. 20% to 30% of the total diastolic volume crosses the mitral valve at this final stage.
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Which of the following statements concerning
platelets is INCORRECT. Platelets:
The statement that is incorrect about platelets is that the life span of platelets is between 30 and 60 days.
The correct option A.
What are platelets?A platelets is described a tiny, disc-shaped piece of cell that is found in the blood and spleen. Platelets are pieces of very large cells in the bone marrow called megakaryocytes. They help form blood clots to slow or stop bleeding and to help wounds heal.
When platelets are low, dangerous internal bleeding can occur when your platelet count falls below 10,000 platelets per microliter. Though rare, severe thrombocytopenia can cause bleeding into the brain, which can be fatal.
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The complete question:
Which of the following statements about platelets is INCORRECT?
A
The life span of platelets is between 30 and 60 days.
B
Platelets are essential for the clotting process.
C
Platelets contain serotonin, ADP, calcium, and PDGF.
D
Platelets are fragments of a larger cell called a megakaryocyte.
E
The formation of platelets is regulated by the hormone thrombopoietin
what is the name of the paired parts of a hemostat that span between the box lock and the finger rings?
Shanks are the paired parts of a hemostat that span between the box lock and the finger rings.
A hemostat (too called a hemostatic clamp, blood vessel forceps, or pean after Jules-Émile Péan) could be a surgical instrument utilized in numerous surgical strategies to control bleeding.
For this reason, it is common within the starting stages of surgery for the introductory cut to be lined with hemostats near blood vessels anticipating ligation. The hemostat has handles that can be held in put by their locking mechanism.
The locking instrument is regularly an arrangement of in an ever altered locking teeth, s on each handle, that permit the client to alter the clamping drive of the pincers. When bolted together, the drive between the tips is around 40 N (9 lbf).
The most punctually known drawing of a turning surgical instrument dates back to 1500 BC on a tomb at Thebes, Egypt.
Afterward Roman bronze and steel pivot-controlled rebellious were found in Pompeii. Within the ninth century Advertisement, Abulcasis made outlines of turning disobedient for tooth extraction.
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13. would putamen neurons fire as a person is reaching for a doughnut, or in anticipation of the reach? would the firing correspond with the position of the doughnut or with the starting position of the arm? what does this suggest about the role of the putamen?
Neurons of the putamen are fired in the anticipation of the reach of the object.
Neurons of the putamen would fire in anticipation of the reach .Instead of the arm's location, the doughnut's position would be matched by this firing. This suggests that the putamen is more crucial for encoding the decision to move in the direction of a goal than the actual movement.
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• 100% 0.1% 1% ● ● Each level on the energy pyramid above represents one of these amounts of energy: 6 B 0.01% 10% E Every level in an energy pyramid represents a different amount of energy. Can you identify the energy available for each of the organisms shown below? Add the percentage of energy given to the butterfly to the energy of the eagle and the energy of the frog. This number is your code to advance to the next level. Make sure to include the % sign in your code (example: 25.23%).
each level only takes up 10 percent of the trophic level before it due the the energy used by the organisms in the previous trophic level.
swelling; fluid leaks out into tissue spaces: a.edema b.dyscrasia c.ecchymoses d.autologous transfusion e.petechiae
Edema occurs when fluid leaks into tissue spaces during swelling.
What is edema?
Edema, as mentioned, is the swelling that is caused due to excess fluid in our body’s tissues. It may effect any part of our body, but most commonly is noticed in hands, feet, ankle, etc. Your skin can be stretched due to edema, and the swelling can increase, if not treated on time and cause serious health issues.
There are many causes of edema which include pregnancy, medications, infections and even excess sodium. It is also caused due to congestive heart failure or a block in leg vein.
Therefore, edema is nothing but swelling caused due to excess accumulation of fluid in tissues.
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during the refractory period, the cell a. is insensitive to further stimulation; b. responds to even weak stimuli; c. reverses the direction of the action potential; d. generates many local potentials e. increases the strength of the action potentia
During the refractory period, the cell responds to even weak stimuli.
Option B is correct.
What takes place during the refractory stage?The time period immediately following an orgasm during which a person is not sexually responsive is known as the refractory period. Both mental and physical repercussions may result from the refractory phase. A person may become uninterested in or incapable of having intercourse during the refractory period.
Why is it vital to understand the refractory period?An essential component of neural signaling is the pace of generation of action potentials, which is constrained by the refractory period. The refractory period also makes it easier for the action potential to go in a single direction along the axon.
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If ATP is not present, the Calvin cycle will shut down. True or false?
Answer: True
Explanation:
accessing the insertion of serrated anterior by curling your fingers around the medial border of the scapula, your fingers will inherently have to work through the bellies of
To access the insertion of serrated anterior by curling fingers around the medial border of the scapula, your fingers will have to work through the bellies of : trapezius and rhomboids.
What are trapezius and rhomboids?The rhomboids consists of two separate muscles that are the major and minor muscles which are present immediately deep to the trapezius. It inserts at medial border of scapula, near the base of the spine of the scapula.
Middle trapezius and rhomboids are the two major scapular retractors but these two muscles vary in their actions. The middle fibers of the trapezius functions as pure scapular retractors while the rhomboids acts to retract scapula and also rotate it to depress the glenoid fossa.
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