Of the various types of skeletal muscle fibers, the type that produces the most power is Fast glycolytic fibres.
Skeletal muscle fibers are the muscle fibres that are responsible voluntary movement of the body.
There are three types of skeletal muscles slow twitch oxidative, fast twitch oxidative and fast twitch glycolytic.
slow twitch support support the long distance endurance activities like marathon running. Fast twitch muscle support quick , powerful movements such as sprinting or weightlifting.
Fast twitch glycolytic fibres are fast twitch muscle which are converted via endurance training. They are larger in diameter and have more mitochondria and blood supply.
It is the most powerful type of the skeletal muscle fibres
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Ecology includes studying ecosystems at different levels. arrange these levels from the narrowest, most specific level to the widest, broadest level. place the narrowest level on top.
Ecology includes studying ecosystems at different levels and these levels are arranged from the narrowest, most specific level to the widest, broadest level and when placed from the narrowest level on top as organisms, populations, communities, and biomes.
The study of ecosystems is included by a branch of biology called ecology that deals with interactions between organisms(biotic) and their physical (abiotic) environment. The study of organisms is actually physiological ecology that studies the internal environment of organisms and how the abiotic factors affect them. The abiotic factors present in an ecosystem are temperature, light, water, and soil.
Ecology is concerned with four levels of biological organization - organisms, populations, communities, and biomes. Thus, the levels of ecology from the narrowest to the broadest are organisms, populations, communities, and biomes.
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The vascular bundle in the shape of a single central cylinder in a root is called the?
The vascular bundle in the shape of a single central cylinder in a root is called the Stele.
Vascular bundles provide the following purposes: 1. Xylem: It is essential for delivering water-related elements to various areas of the plant. 2. Phloem: This tissue is in charge of delivering nutrients and food to the plant. 3. Cambium: By producing new xylem and phloem, it contributes to secondary growth in plants.A group of fundamental tissues found in the stem of a plant that includes cambium, xylem, and phloem. The procambium of the developing stem is where the vascular bundles grow. In the monocotyledons, vascular bundles are scattered throughout the stem in intricate configurations.The major vascular system of the plant axis and its accompanying ground tissues make up the plant stele.To learn more about Vascular bundles.
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To help understand immunostimulant drug therapy, the client has come to the clinic for a class on thrombopoiesis. the nurse explains that the term means the formation of which types of blood cells?
Answer:
Глупый америкос , глупые вопросы задаёт , а мы русские все сами решить можем!
Explanation: Тупой америкос
H.m.'s main problem is that he cannot form new _________________ long-term memories.
H.m.'s main problem is that he cannot form new explicit long-term memories. Explicit memory is a type of long-term memory dealing with the recall of facts and experiences. Explicit memory necessitates intentional recall of information. Declarative memory is concerned with the processing of names, dates, places, facts, events, and so on.
These are entities that are assumed to be symbolically encoded and hence may be described with words. Declarative memory, in terms of function, is optimized for rapid processing and learning. Long-term memory that does not require conscious retrieval is known as Explicit memory. Implicit memory is classified into numerous categories, including procedural memory, priming, and conditioning.
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Answer:
explicit is the correct answer.
Explanation:
A muscle fiber will respond to a stimulus when that stimulus reaches the __________ level. recruitment resting rigor mortis threshold relaxation
When an external stimulus crosses the threshold, a muscle fibre will respond.
The level of the thresholdFor the identification of the electrical activity carried out by the active muscles, the threshold level is a crucial consideration. A portion of the electrical activity carried out by the target muscles may be excluded if the chosen threshold level is higher than the overall activity.What is the stimulus threshold for muscle contraction?A certain stimulus magnitude is necessary for muscle contraction. The threshold stimulus is the smallest amount of force needed for a stimulus to cause a muscle to contract in response.If the stimulus intensity is less than this threshold value, there is no response.learn more about threshold here
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in biology Validity refers to what
in biology validity refers to a test measures what it purports to measure.
First, we have to establish the validity of a test score when used for a particular purpose, so that a score may be improperly used for one purpose, but not for anotherSecond, validity is a matter of degree so that we know if validity is sufficient to make use of the test worthwhileThird, we must distinguish between validity n accuracy of norms of a test so that we know if It's possible for a test to have a good validity but have norms that is off the mark. The converse may be also true.Validity is the main extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world. The word "legitimate" is derived from the Latin validus, meaning robust. The validity of a size device is the diploma to which the tool measures what it claims to measure.To know more about validity visit :
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At the base of the aortic artery, where it originates from the left ventricle, is the:____.
At the base of the aortic artery, where it originates from the left ventricle, is the aortic valve.
The main artery from which the blood travels from the heart to all other parts of the body in humans is referred to as the aortic artery.
At the base of the aortic artery, the site from where this artery originates from the left ventricle, an aortic valve is present. The function of the aortic valve is to prevent the backward flow of blood from the aorta to the left ventricle. It is due to the aorta valve that blood travels from the left ventricle to the aortic artery smoothly. The aortic valve separates the aortic artery from the left ventricle.
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A hypothesis may be considered what?
Answer:
a tentative, testable explanation
Explanation:
Answer:
A hypothesis is a testable assumption/prediction that you make based on some basic evidence. It is the starting point for further investigation.
Explanation:
:D
What are 2 observations that lamarck makes and what is the inference he makes based on these observations?
The main 2 observation which Lamarck made is:
1. Use and Disuse of Organ
2. Inheritance of Acquired Characters.
The Use and Disuse of Organ states that, only those character will last longer or pass on to next generation which are getting in use day by day. And, the organ will vanish if it not in use. Like, Tail in Human.
Inheritance of Acquired Characters, a theory that suggests physiological changes that an organism acquires throughout the course of its existence might be passed on to children. It's often referred to as the theory of adaptation or Lamarckism, after French biologist Jean-Baptiste Lamarck's theory of evolution.
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What would be the efect on the properties of the water molecule if oxygen and hydrogen?
The effect on the properties of the water molecule if oxygen and hydrogen had equal electronegativity the water molecules would lack polarity, that results in no hydrogen bonding between water molecules.
What is electronegativity?The tendency to attract the shared electron by the atom is known as electronegativity. Atomic number impose affect on electronegativity of an element.
Groundwater is defined as water present in underground water below the soil as well as in crack of the earth. The percentage of freshwater in the world is 30%. There are mainly three types of groundwater and these are hand-dug wells, springs, and drilled boreholes.
The water stored under the ground are obtained from rain and stored in ground so that it can be used later. Ground water is very clean and fit for drinking and the reason is the soil present on top and work as filter and the groundwater is free from all microorganisms.
Therefore, the water molecules would lack polarity, that results in no hydrogen bonding between water molecules.
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T who is at 41 weeks gestation is concerned when the primary care provider decides to induce labor. which reason does the nurse explain as the most important need for this procedure?
Risk for placental dysfunction.
The reason the nurse should explain as the most important need for this procedure is Risk for placental dysfunction.
The main goal of inducing labor in post-mature fetuses is to reduce problems caused by placental malfunction. The placental function declines with post-maturity, altering food and oxygen transport and raising the risk of hypoxia and hypoglycemia during the start of labor. The main justification for labor induction is this.What is placental dysfunction?A pregnancy problem known as placental dysfunction occurs when the placenta, which is responsible for supplying nutrients and oxygen to the baby' bloodstream, is unable to adequately nourish the growing fetus.Why does the placenta malfunction?If you smoke or use some types of illegal substances while you are pregnant, placental insufficiency may result. Your risk is further increased by medical disorders like diabetes, preeclampsia, and blood clotting issues.To learn more about inducing labor visit:
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It is possible for a patient to have gingivitis that is not caused by? bacterial plaque. gingivitis can be caused from an allergic reaction or fungal infection.
Both the above statements are true.
What is gingivitis?Gum inflammation is brought on by gingivitis, a non-destructive condition. Plaque-induced gingivitis, which results from bacterial biofilms (also known as plaque) that are attached to tooth surfaces, is the most prevalent type of gingivitis and the most prevalent type of periodontal disease overall. Plaque causes the majority of kinds of gingivitis.
While some occurrences of gingivitis never turn into periodontitis, gingivitis is always the first stage of periodontitis. Gingivitis is treatable with excellent oral care, but if left untreated, it can proceed to periodontitis, in which the gum inflammation causes tissue loss and bone loss surrounding the teeth.
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carbon from glucose is essential for the formation of amino acids. which process is responsible for the production of glucose in plants?(1 point) citric acid cycle citric acid cycle dehydration synthesis dehydration synthesis photosynthesis photosynthesis glycolysis
Carbon from glucose is essential for the formation of amino acids the process which is responsible for the production of glucose in plants is photosynthesis.
Photosynthesis is the process by which plants or other organisms transforms light energy into chemical energy. During the process of photosynthesis, plants need three basic things to live: water, sunlight and carbon dioxide.
Photosynthesis is the process by which a plant produces its food using energy from sunlight, carbon dioxide from the air and water from the soil. The word photosynthesis can be separated to make two smaller words: ‘photo’ which means light ‘synthesis’ which means putting together
In this process, light energy from the Sun is absorbed by the green substance, called chlorophyll, present in leaves. This energy allows the production of glucose (food) by the reaction between carbon dioxide and water. Oxygen is also produced as a by-product.
Carbon dioxide + Water → Glucose + Oxygen
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Selective precipitation of a protein from a crude extract is most effective by which molecule?
Selective precipitation of a protein from a crude extract is most effective by ammonia sulfate.
Selective precipitation :A method of separating ions in an aqueous solution known as selective precipitation involves using a reagent that precipitates one or more of the ions while leaving the rest in solution. Metallic element qualitative analysis.
What is selective precipitation used for?Protein selective precipitation can be used to recover the majority of the proteins from a crude lysate in bulk form, to separate a group of proteins from a protein solution selectively, or to recover a particular protein of interest from a purification step extremely precisely.
What is precipitation method of separation?Precipitation is a method for separating a mixture according to how easily its constituent parts can be dissolved. A compound's solubility is influenced by the temperature, pH, and ionic strength of the solution. A chemical may become an insoluble solid and leave solution if certain parameters are changed.
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The proteins and cell components of halophiles have remarkably high intracellular levels of ________, which helps them survive in high salt conditions.
The proteins and cell components of halophiles have remarkably high intracellular levels of potassium, which helps them survive in high salt conditions. Proteins are big, complex molecules that perform numerous important functions in the body. Every protein is designed to perform a certain purpose. Any protein in the human body may be made with only 20 amino acid variations.
The seven categories of proteins are: contractile proteins, enzymes, hormone proteins, structural proteins, storage proteins, and transport proteins. They carry out the majority of the work in cells and are crucial for the structure, operation, and control of the body's tissues and organs.
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Which of Earth's layers is just below the crust?
O A. Outer core
O B. Upper mantle
• C. Inner core
• D. Lower mantle
Answer:
Upper mantle
Explanation:
I looked it up
Hypothesis: if iodine is placed on sourdough bread then it will have an instant color change from ____________ to____________ indicating that ___________ is the major organic molecule in bread.
Iodine can instantly change the color of sourdough bread from white to blue-black, suggesting that starch is the main organic molecule in bread.
To check for starch in food, an iodine solution is employed. A bright orange-brown hue can be seen in a solution of potassium iodide (KI) and iodine (I2) in water. if starch-containing samples, such as bread, are included in the sample.
The bread's colour transforms into a rich blue.The starch and the iodine do exchange some electrical charges.The spacings between energy levels are altered as a result, changing the electron configurations. The complex gets its vivid blue colour from the additional spacings, which preferentially absorb visible light.Iodine is frequently used as an indication to check for starch. When starch reacts with the light orange-brown iodine solution, the colour changes to blue-black. This implies that the food item contains carbs.Learn more about Starch here:
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Question mode multiple choice question the ______ division of the autonomic nervous system is engaged when the body is relaxed.
The Parasympathetic Division of the autonomic nervous system is engaged when the body is relaxed.
What is parasympathetic nervous system?
One of the three components of the autonomic nervous system, together with the sympathetic and enteric nervous systems, is the parasympathetic nervous system (PANS or PSNS).
The enteric nervous system is occasionally regarded as a component of the autonomic nervous system and other times as a separate entity.
Known as downregulating, the parasympathetic nervous system has a function. The vagus nerve, which transmits signals from the brain to the body as well as back from the body to the brain, is primarily how it works.
When this system is working properly, it lowers your chance of developing coronary heart disease and stroke, improves gut health by increasing digestive metabolism, and lessens migraines. Additionally, it will improve your physical, emotional, and overall health, possibly even lengthening your life.
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The endocrine and nervous systems are considered ________ homeostatic regulatory
The endocrine and nervous system are considered extrinsic homeostatic regulatory mechanisms.
What is the difference between endocrine and nervous system?1) In the nervous system electrical impulse carries message to different organs of the body and in the endocrine system it releases hormones and provide chemical signal to command an organ.
2) Nerve or electrical impulse transmit through neurons and hormones travel through bloodstream.
3) The nervous system can control voluntary as well as involuntary and all the activities and operation under the endocrine system are involuntary.
These two system help in regulation of the electrical and chemical possess that relay information throughout and between the brain and body .
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The digestive system codes include sites from the mouth to the anus, as well as the?
The most important organs that make up the digestive system (so as in their function) are the mouth, esophagus, stomach, small intestine, big intestine, rectum and anus.
Helping them alongside the manner are the pancreas, gall bladder and liver. Here's how those organs paintings collectively on your digestive system.The GI tract is a sequence of hole organs joined in a long, twisting tube from the mouth to the anus.
The hole organs that make up the GI tract are the mouth, esophagus, stomach, small intestine,large intestine, and anus. The liver, pancreas, and gallbladder are the stable organs of the digestive system.
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Gemstones are commonly found in pegmatites, which are igneous rocks that are _____. group of answer choices
Gemstones are commonly found in pegmatites, which are igneous rocks that are exceptionally coarse grained.
Pegmatite are the igneous rocks which are crystalline in nature and are exceptionally coarse grained. It is composed of 33.6 percent albite, 30.4 percent quartz, 21 percent perthite and 14 percent muscovite.
They contain exceptionally large crystals and are also called as architectural stones.
Gemstones are pieces of mineral crystals which is cut and polished to form jewelry and other ornamental items.
Gemstones are commonly found in pegmatites like topaz, tourmaline, kunzite, blue aquamarine, pink morganite.
Pegmatite are mined for both gemstones and rare earth minerals.
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Higher-order folding involves association of the dna with a nuclear _____, which contains large amounts of _____ and _____.
Higher-order folding involves association of the DNA with a nuclear scaffold, which contains large amounts of Histone H1 and Topoisomerase II.
What is Histone?Histones are highly basic proteins abundant in lysine and arginine residues that provides structural support for a chromosome. They are found in eukaryotic cell nuclei. They act as spools around which DNA winds, which gives the chromosome a more compact shape, to create structural units called nucleosomes. Nucleosomes in turn are wrapped as 30-nanometer fibers that form tightly packed chromatin. There are five types of histones namely H2A, H2B, H3, H4 and H1 linker histone. Within a nucleosome, they exist as two dimers of (H2A-H2B) and a complex of (H32-H42) eventually forming an octamer.
What is Topoisomerases?Topoisomerases are nuclear enzymes which play essential roles in DNA replication, transcription, chromosome segregation, and recombination.
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What are the characteristics of white and gray rami in the sympathetic nervous system?
White rami are preganglionic sympathetic neurons from the T1-L2 spinal nerves. Gray rami are postganglionic sympathetic neurons that link to all spinal nerves. somatic nervous system features (SNS).
What makes up the nervous system?There are two primary sections of the nervous system: The brain and spinal cord make up the central nervous system. All of the body's parts are connected by nerves that emerge from the spinal cord and make up the peripheral nervous system.
What role does the nervous system play?The nervous system facilitates communication between all body parts. In addition, it responds to alterations both inside and outside the body. The nervous system transmits and receives information using both chemical and electrical methods.
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If one strand of a dna double helix has the sequence agtactg, what will be the sequence of the other strand?
a. gacgtca
b. agtactg
c. gtcatga
d. tcatgac
If one strand of a dna double helix has the sequence agtactg, the sequence of the other strand will be- (d) tcatgac
The DNA is made up of two types of nitrogenous bases purines which includes adenine and guanine & pyrimidines which includes cytosine and thymine.
The adenine is complementary to thymine and forms two H-bonds at the backbone of the DNA while guanine is complementary to cytosine and forms three H-bonds to form the DNA backbone.
The two strands of the dna are bind together by the complementary base pairing of the purines with the pyrimidine. Hence if a sequence of one dna is given its complementary sequence can be found out using complementary base pairing rule.
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Which species concept might differentiate species on the basis of specific dietary requirements?
a) morphospecies concept
b) phylogenetic species
c) concept ecological
d) species concept
The correct option is (c) Concept ecological
Ecological species concept might differentiate species on the basis of specific dietary requirements.
What is ecological species concept?According to the ecological species idea, a species is a group of organisms that have adapted to a specific environment resource set, also known as a niche. This idea holds that populations tend to develop the discrete phenetic groupings that we identify as species as a result of the ecological and evolutionary processes governing how resources are distributed. Numerous studies in ecology, particularly those involving closely related species residing in the same region, have shown that variations in a species' shape or behavior are frequently tied to variations in the natural resources those species use.Learn more about the ecological species concept with the help of the given link:
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The invaginations of the mitochondria, which increase the surface area of the inner membrane, are called.
Answer:
Crista/Cristae
Explanation:
The name is from Latin.It gives the inner membrane it's wrinkled shape which provides huge space for chemical reactions to occur on.
Describe the classification of epithelium in terms of shape and number of layers of cells.
Depending on its shape, epithelium is categorized as follows:
squamous, cuboidal, and columnar.The epithelium is categorized according to the number of cell layers and shape:
Simple epitheliumStratified (or compound) epitheliumPseudostratified epitheliumExplanation:
-Epithelium is categorized according to its shape as follows:
Flat and scale-like squamous epithelial cells are characteristics of the squamous epithelium. They can be found in the oesophagus, the mouth's smooth inner lining, and the lungs' alveoli.
Cuboidal epithelium: Cells in this type of epithelium resemble cubes and have identical height and width. Normally, they develop gland and secretory organ ducts.
Columnar epithelium: Due to their greater height than width, columnar epithelial cells resemble columns. Columnar epithelia can be further broken down into ciliated columnar epithelium, which lines the surface of the airway, and glandular columnar epithelium (forming glands).
-The epithelium is categorized according to the number and structure of cell layers:
A single layer of cells comprises the simple epithelium. The thinness of the epithelial barrier generally enables it to carry out tasks like absorption and filtration. Examples include cells in the bronchi, alveoli, renal tubules, uterus, body cavities, stomach, and small intestine.
A stratified epithelium, also known as a complex epithelium, has many cell layers. The multilayered nature of the stratified epithelia allows it to withstand mechanical or chemical harm. Even when certain cells are damaged and come away from the surface of the stratified epithelium, the underlying tissues are still protected from the outside environment
Although there is only one layer of cells in pseudostratified epithelium, the densely packed cells give the impression of being grouped in layers due to their various sizes. Examples include the ciliated epithelial cells lining the trachea and upper respiratory system..
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Which of these scenarios is
similar to the process of
facilitated diffusion?
A. Going to jail
B. Being locked out of your house
C. Being escorted into a building
D. Building a LEGO tower
The scenario that is similar to the process of facilitated diffusion is being escorted into a building since it involves an agent making movement easier. The correct option is C.
What is facilitated diffusion?Facilitated diffusion is the movement of molecules of a substance from regions of high concentration to regions of low concentration facilitated by certain transmembrane proteins in cells.
Facilitated diffusion helps move molecules of substances across the selectively permeable cell membrane of cells.
Therefore, in facilitated diffusion, an agent helps to make the movement of molecules faster.
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Answer: Being escorted into a building
Explanation:
The anatomy in the female genital system subsection starts with the vulva and progresses upward to the:_________
a. perineum
b. ovary
c. uterus
d. fallopian tube
The anatomy in the female reproductive system subsection starts with the vulva and progresses upward to the: perineum.
What is the Female reproductive system?The female reproductive system is made up of the bodily parts used for sex, both inside and outside, that are important for birthing.In order to produce gametes and bring a pregnancy to term, the female reproductive system in humans reaches maturity throughout puberty.The uterus, vagina, Fallopian tubes, and ovaries are the internal sex organs of a female who is born with an underdeveloped reproductive system.It is possible to give birth and engage in sexual activity thanks to the cervix, which joins the vagina and the uterus.In the uterus, which is also called the womb, the embryo develops into the foetus.Furthermore, the uterus secretes chemicals that help sperm travel to the Fallopian tubes, where they fertilise ova (egg cells) made by the ovaries.To learn more about female reproductive system, refer to the following link:
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In the preterm newborn, the most critical complications are related to which system?
In the preterm newborn, the most critical complications are related to immature gastrointestinal systems.
What is the most common disease in premature babies?The most frequent cases of bronchopulmonary dysplasia (BPD), a chronic lung condition, are in premature infants who have had treatment for respiratory distress syndrome (RDS). RDS infants have developing lungs. They occasionally require a mechanical ventilator to assist with breathing.
What is associated with preterm birth?A number of maternal medical disorders, such as systemic lupus erythematosus, chronic hypertension, and prenatal diabetes mellitus, are linked to a greater risk of either indicated or spontaneous preterm birth.
The brain are affected by premature birthThe deep cerebral region of the brain and the temporal lobe of the brain are preferentially impacted in males, he continued. It turns out that people who are born preterm frequently experience special issues in language-based areas, and the temporal lobe is one of the locations of language, so this is quite intriguing.
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