The statement which is not true about the reefs is that they contain dinosaur fossils
What are reefs?Reefs simply refers to chain of rocks or coral near the surface of water
Some few examples of reefs are as follows:
Rainbow reefRed sea coral reefSo therefore, the statement which is not true about the reefs is that they contain dinosaur fossils
Complete question:
Transgression of the Kaskaskia sea promoted reef formation in what is today Western Canada; which of the following statements is NOT true about these reefs.
A. They contain calcium carbonate
B. They contain dinosaur fossils.
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The main dietary factor associated with elevated blood cholesterol is?
The main dietary factor associated with elevated blood cholesterol is saturated fat.
What about saturated fat?Because they increase the amount of LDL cholesterol in our blood, saturated fats, sometimes known as "bad fats," increase the risk of cardiovascular disorders (including heart disease and stroke). Cholesterol that is circulated in the blood. The majority of this cholesterol is produced by the body, however some is also absorbed from the meals you eat. Even if they include fat, foods derived from plants never contain cholesterol.Only foods from animals do. Low density lipoproteins are able to transport cholesterol. Dietary fat, particularly saturated and trans fats, may increase LDL and total cholesterol levels in the blood. Blood cholesterol levels may be lowered by substituting polyunsaturated and monounsaturated fats, particularly olive and canola oil, for some saturated fats.When we consume too much saturated fat, the receptors stop functioning as effectively, and blood cholesterol levels rise.Learn more about saturated fat here:
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The middle pleistocene and the late pleistocene correspond to which cultural periods?
The middle stone age and the later stone age corresponds to the middle and the late pleistocene.
Cultural evolution during the middle and the late pleistocene :-
In southwestern Asia as well as northern and southern Africa, personal ornaments in the form of perforated seashells are recorded from the early Late Pleistocene. In the Old World, Neanderthals and anatomically modern humans are linked to a range of personal ornamentation by about 40,000 years ago (Ka). These include fully created ornaments as well as organically modified things. The appearance of figurative art, mythical imagery, and other types of items, like as musical instruments, at various times in history suggest that completely modern behavior began to emerge more gradually towards the middle of the Late Pleistocene and most definitely no later than 40 Ka. Many, but not all, of the lengthy and rigorous history of study might well have helped to the relevant data come from Europe.
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Why does the land around an once active coal mine remain barren?
Answer:
The ground where the coal was mined is acidic so few plants can grow there.
Explanation:
Usually, the ground surrounding the coal that is mined has a low pH.
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Which of the following is not an example of diffusion?
A:a drop of food coloring spreading through a glass of water
B:perfume filling a room
C:salt spilled onto the table
D:air leaking from a tire
The spilled salt does not actively spread or disperse throughout the table. Option C does not show diffusion.
Diffusion is the movement of particles or molecules from an area of higher concentration to an area of lower concentration, resulting in their even distribution.
When salt is spilled onto a table, it does not undergo diffusion. Instead, it remains localized in the area where it was spilled.
The random movement of particles from a region of high concentration to a region of low concentration is known as diffusion, although in this situation, the salt spilled is not actively spreading or moving over the table.
When a drop of food colouring is added to a glass of water, the food colouring molecules spread out evenly throughout the water due to diffusion.When perfume is sprayed in a room, its scent spreads throughout the air in the room, reaching all areas evenly, thanks to diffusion.When air leaks from a tire, the high-pressure air inside the tire moves to areas of lower pressure outside the tire, leading to the even distribution of air molecules due to diffusion.Thus, the correct option is C.
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What is magmatic differentiation? how might this process lead to the formation of several different igneous rocks from a single magma?
Magmatic differentiation entails approaches by the way in which chemically one-of-a-kind igneous rocks, along with basalt and granite, can shape from the same initial magma excessive-temperature minerals can crystallize and settle out, causing the ultimate molten fabric to be focused with components that may later form rock enriched in low-temperature minerals (along with granite).
The technique by means of which chemically specific igneous rocks, such as basalt and granite, can shape from the equal initial magma.
Magmatic differentiation can arise by way of the chemical response between the magma and the first crystals to solidify out of it, or by the physical separation of the first crystals that shape from the ultimate magma, both thru settling to the bottom of a magma chamber or thru crustal deformations that purpose the remaining magma to be squeezed out to cool in veins.
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He surgery for a client scheduled for an 8:00 a.m. procedure is delayed until 11:00 a.m. what is the appropriate nursing action regarding administration of preoperative prophylactic antibiotic?
He surgery for a client scheduled for an 8:00 a.m. procedure is delayed until 11:00 a.m. The appropriate nursing action regarding administration of preoperative prophylactic antibiotic is to adjust the administration time to be given at 10:00 a.m.
The preoperative patient's reports should be made before the surgery like reports of pertinent cardiovascular and respiratory findings (like chest pain, irregular heart rate), reports of any signs or symptoms of infection (like fever, increased white blood cell count), repots from laboratory that could contraindicate surgery (like positive pregnancy test results), reports of other clinical condition that may need further evaluation before surgery (like vomiting, recent intake of an anticoagulant drug).
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The _____ maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
Answer: PET scan, positron-emission tomography
The PET scan, positron-emission tomography maps patterns of blood flow, oxygen use, and glucose consumption in the brain.
An imaging test called a positron emission tomography (PET) scan enables your doctor to look for disorders inside your body. A specific dye with radioactive tracers is used during the scan. Depending on the area of the body being investigated, these tracers may be ingested, breathed, or administered via injection into a vein in your arm.PET scans are used to find early indications of heart disease, cancer, and brain issues. Infected cells are discovered using an injectable radioactive tracer. A PET-CT combo scan generates 3D pictures for a more precise diagnosis.Measure essential processes like blood flow, oxygen consumption, and blood sugar (glucose) metabolism with a PET scan. Find the organs and tissues that aren't functioning properly. To determine the extent of the cancer, find malignant tumor cells.learn more about PET scan here: https://brainly.com/question/7436350
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Number and laminar distribution of neurons in a thalamocortical projection column of rat vibrissal cortex.
The quantity and arrangement of NeuN-positive neurons in the C2, D2, and D3 TC projection columns in the P27 rat somatosensory barrel cortex based on a thorough identification of neurons in a thalamocortical projection column of rat vibrissal cortex.
The main sources of cortical activity in sensory areas5 and associative brain areas, like the frontal cortex10–12, are thalamocortical projections. There are approximately 40 nuclei in the thalamus4,13,14, and each one innervates a unique combination of cortical regions.
Thalamocortical radiations, also known as thalamocortical fibers, serve as functional relays transmitting sensory or motor information from the thalamus to various regions of the cerebral cortex. Thalamocortical radiations are parallel channels that connect particular thalamic nuclei with particular cortical regions. In individuals with psychosis, there are two unique patterns of thalamocortical connection.
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In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the?
In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the actin filaments.
A myosin head essentially functions like a cocked spring that bends and delivers a power stroke when it binds to an actin filament. A single sarcomere is forced to contract and shortens as a result of the power stroke's actin filament sliding past the myosin.
If there is enough ATP and the myosin-binding sites are exposed, myosin binds to actin to start the cross-bridge cycling process. The muscle contracts as the sarcomere shortens. Since this binding cannot take place without calcium, free calcium is a crucial regulator of muscle contraction.
Therefore,In a muscle contraction, the force that shortens the sarcomeres comes from the myosin cross-bridges pulling on the actin filaments.
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Kapoor 2014. Effect of orthodontic forces on cytokine and receptor levels in gingival crevicular fluid: A systematic review.
The publication about the effect of orthodontic forces on cytokine and receptor levels in gingival fluid investigates how this treatment can increase inflammation.
What are cytokines?Cytokines are molecules of the immune system that act during different types of immune responses, especially in inflammatory pathways.
Cytokines are mainly secreted by helper T immune cells (T cells) and macrophages.
In this case, the publication above mentioned uses different cytokine biomarkers to test inflammatory responses after orthodontic treatment (e.g., IL-1β, TNF-α, IL-8, etc).
In conclusion, the publication about the effect of orthodontic forces on cytokine and receptor levels in gingival fluid investigates how this treatment can increase inflammation.
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g Wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both within and outside wilderness boundaries. Group of answer choices True False
The given statement "wilderness ecosystems are dynamic, complex, and often fragile, and may be impacted by human use and activities occurring both within and outside wilderness boundaries," is true.
Wilderness ecosystems
The wilderness ecosystem is the ecosystem that has been left undisturbed by humans. There are many areas on the planet that are considered wilderness such as the Great Barrier Reef, the Amazon forest, etc. They are rich in both flora and fauna diversity.
In the United States, a total of 42× [tex]10^{4}[/tex] ha is under the protection of the National Wilderness Prevention System. They are the lands devoted to the protection of the natural ecosystem. Such an arrangement had to be made due to human encroachment and various other factors that affect the wilderness ecosystem. The main threats to the wilderness ecosystem are
Using the land for recreational usesGrazing by livestockForest firePollutionGlobal warmingInvasion of alien speciesThe unnatural flow of water due to diversions, dams, impoundments, etc.Learn more about ecosystems here:
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Diets high in trans fatty acids tend to ______ levels of ldl in the blood.
Answer: Increase
Explanation: This is because trans fats increase LDL cholesterol and decrease HDL cholesterol, which can increase the risk of heart attack or stroke.
What is the name of the process that plants use to remove carbon dioxide from the atomsphere
Answer:
photosynthesis
Explanation:
Pulmonary Artery Enlargement on Routine Staging 18F-Fluodeoxyglucose Positron Emission Tomography/CT for Lung and Oesophageal Cancer
Pulmonary hypertension (PH) is an underdiagnosed condition associated with poor survival and increased post-operative mortality in lung cancer.
What is pulmonary hypertension?A form of high blood pressure known as pulmonary hypertension affects the arteries in the lungs and the right side of the heart.
Blood arteries in the lungs are constricted, obstructed, or damaged in pulmonary arterial hypertension (PAH), one kind of pulmonary hypertension. Due to the injury, blood pressure in the arteries of the lungs increases and blood flow through the lungs is slowed. Blood must be pumped through the lungs more forcefully by the heart. The increased strain eventually weakens and fails the cardiac muscle.
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Compare and contrast the cell structures / organelles found in plant and animal cells.
list 3 organelle/structures plant and animal cells have that are the same
list 2 organelles/structures plant and animal cells have that are different
Be sure to write using complete sentences.
Answer:
3 Common structure found in both plant and animal cell:
NucleusCell MembraneMitochondria .3 different structures of plant and Animal cell:
Centrosome (Animal cell)Lysosomes (Animal cell)Cell Wall (Plant Cell)Describing the shape of a spider web observed during an investigation of
living and non-living things in your backyard is an example of *blank*
measurement.
Describing the shape of a spider web observed is an example of nominal measurement.
What is Nominal measurement?This is a type of measurement in which the data or variables are named without any specific order unlike ordinal measurement.
The shape of the web was described without any emphasis on the order which is why it was chosen as the most appropriate choice.
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A gene is a _______________________. Group of answer choices display of the chromosome pairs of a cell complete set of an organism's polypeptides that perform many functions complete set of a cell's polysaccharides that store energy specific sequence of DNA nucleotides that encodes inherited traits
What is a gene?
According to Mendel something was being stably passed down, unchanged, from parent to offspring through the gametes, over successive generations. He called these things as ‘factors’ now called as genes. Genes, therefore, are the units of inheritance. They contain the information that is required to express a particular trait in an organism. Genes which code for a pair of contrasting traits are known as alleles, i.e., they are slightly different forms of the same gene. There is no ambiguity that the genes are located on the DNA, it is difficult to literally define a gene in terms of DNA sequence. The DNA sequence coding for tRNA or rRNA molecule also defines a gene. A cistron is defined as a segment of DNA coding for a polypeptide, the structural gene in a transcription unit could be said as monocistronic (mostly in eukaryotes) or polycistronic (mostly in bacteria or prokaryotes).To learn more about transcription:
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When the number of enzymes needed to break down a drug in the liver increases, it is called:_______
When the number of enzymes needed to break down a drug in the live increases , its is called as Cytochrome P-450 enzymes. It is a group of enzymes that helps in to breakdown to drug via primary mechanism for metabolizing .
Drug metabolism are the breakdown by living organism .and they divided into three phases , first is cytocromes p450 oxidases which react into xenobiotic . second phase is where compounds conjugated to polar compounds. in last phase conjugated xenobiotics processed and converted into lipophilic compounds.
Some drug such as rifampin, work as a inducers they increase the P-450 enzymes level in the liver.
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The _______________ finned fish have strong fleshy limbs supported by strong bones that are attached to the body.
Answer:
Lobe finned fish
Explanation:
HELP!
Which characteristics do all bony and jawless fish have in common? Check all that apply.
backbone
swim bladder
scales
gills
bony skeleton
The bony skeleton and gills are common in bony and jawless fishes
Both cartilaginous and bony fish have an endoskeleton. bony fish and fish with cartilage both have gills for breathing. bony fish and fish with cartilage both have jaws in their mouths. Fish with bony bones and fish with cartilage both have paired fins. They are unable to regulate their internal body temperature.
Their core body temperature is comparable to the ambient temperature. The majority of jawless fish have paired gill chambers, sometimes as many as seven, and a cartilage-based skeleton. Bony fish have gills on the sides of their heads and are scale-covered. While jawed fish ventilate their gills unidirectionally, with water streaming in at the mouth and out over the gills, the jawless fish ventilate their gill pouches with tidal water flow.
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which molecules are the smallest one here: starch, protease, protein, simple sugars
Answer:
simple sugars
Explanation:
simple sugars are relatively small molecules (eg. glucose) and as such can pass through membranes via simple diffusion.
Our metabolism, the rate at which food is converted to energy, is controlled by a hormone released by the _____
Thyroid gland
Our body turns the food and liquid you consume into energy through a process known as metabolism. This intricate process releases the energy your body requires to function by combining calories from food and beverages with oxygen.
Anabolism is the process of constructing new body tissues and energy reserves, while catabolism refers to the process of destroying existing body structures and energy reserves to get additional fuel for bodily operations (called catabolism). The thyroid gland produces and secretes a hormone that is crucial in controlling how quickly or slowly the body's chemical reactions for metabolism move. A crucial hormone gland, the thyroid gland is important for the growth, development, and metabolism of the human body. By continuously releasing a regular amount of thyroid hormones into the bloodstream, it aids in the regulation of numerous bodily processes.
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The portion of cellular respiration that consists of passing molecules down a series of carriers is:
The electron transport chain of the cellular respiration passes molecules down a series of carriers.
The electron transport chain occurs at the end of the cellular respiration , It is in this stage that most of cellular ATP generation takes place.
The electron transport chain contains many carrier proteins which are located on the inner membrane of the mitochondria. The electrons and hydrogen ions are released into the electron transport chain by NADH.
Firstly, there is generation of a proton gradient across the mitochondrial membrane, then molecular oxygen is reduced to form water and finally there is generation of ATP by the process of chemiosmosis.
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It can take ____ for the body to process the alcohol in one standard drink (0.6 ounces).
It can take one hour for the body to process the alcohol in one standard drink which is equals to 0.6 ounces.
How much time take by the body to process the alcohol?Our liver can process one ounce of alcohol of standard drink which is equals to 0.6 ounces in one hour. If a person consume more than this amount, the body becomes saturated and the extra alcohol will accumulate in the blood and tissues until it can be metabolized by the body. Alcohol is bad for our health because our senses do not work properly so the consumption of alcohol must be stopped.
So we can conclude that It can take one hour for the body to process the alcohol in one standard drink.
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Which body system coordinates activities of body parts by releasing hormones into the blood?
Endocrine system which coordinates activities of body parts by releasing hormones into the blood.It is made up of all the body's different hormones, and also regulates body.
In our body hormones released by the glands in our endocrine system control nearly all the processes in your body.And these chemicals helps in coordinating body's function like- metabolism to growth and development, emotions, sexual function. Endocrine system includes mainly 3 types of hormones- adrenal, hypothalamus, ovaries.
Many glands together made endocrine system. The hypothalamus, pituitary gland and pineal gland in our brain. The thyroid and parathyroids are present in our neck.The thymus is between your lunds, the adrenals are on top of your kidneys, and behind the pancreas.
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What were the independent, dependent, and control variables in your investigation? Describe the variables for the simulation with the moths and birch trees.
The experiment is not found here but dependent variables may include the growth rate of moths, whereas the independent variable may be the temperature and the control is water.
What is a dependent variable?A dependent variable is the variable that is being modified by the conditions of the experiment (in the example, the growth is dependent on the temperature).
Moreover, a control variable is any condition that remains constant throughout the experiment (in this case, the amount of supplied water).
In conclusion, dependent variables is the growth rate, whereas the independent variable is the temperature and the control is water.
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Relatively speaking, how much atp is produced by glycolysis and the citric acid cycle?
2 ATPs are produced in the TCA cycle per glucose molecule (2 acetyl CoA).
The ATP that is produced by glycolysis and the citric acid cycle is, both yield a small amount of ATP.
Citric acid cycle is also known as Krebs cycle, which breaks down the pyruvic acid to carbon dioxide. As a result to which it produces 2 ATP and 6 NADH, for every glucose molecule entering glycolysis.
Krebs cycle is a series of reactions that occurs in the matrix of mitochondria. It takes in acetyl CoA and produces carbon dioxide.
The overall yield of energy-containing compounds from the citric acid cycle is three NADH, one FADH2, and one GTP.
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Acute gastroenteritis that occurs after an incubation period of two to three days, persists for about a week, and commonly affects children is probably caused by_______.
Acute gastroenteritis that occurs after an incubation period of two to three days persists for about a week, and commonly affects children are probably caused by Rotavirus.
Rotavirus is an endemic that causes signs of extreme diarrhea, vomiting, fever, and dehydration. it is without problems spread amongst people. Rotavirus usually causes excessive, watery diarrhea and vomiting in toddlers and young kids. youngsters may become dehydrated and need to be hospitalized.
Rotavirus is most often spread via a fecal-oral direction. that is frequently due to the fact a child does now not wash his or her hands nicely or often enough. it is able to additionally be due to eating or consuming infected meals or water. The virus might also stay on surfaces such as doorknobs, toys, and other hard objects for a long term.
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The principle of competitive exclusion states that two species cannot __________ Multiple Choice coevolve. have the same carrying capacity. be part of the same food chain. occupy the same niche.
The principle of competitive exclusion states that two species cannot occupy the same niche.
What is competitive exclusion?Two species cannot coexist in the same ecological niche for very long without one becoming extinct or being driven out because of competition for limited resources.As an illustration of competitive exclusion, the red squirrels in Britain have displaced the grey squirrels.There were fewer red squirrels as a result of diseases, competitive exclusion, and the removal of hazelnuts.Red squirrels were eventually displaced by gray squirrels, who quickly adjusted to their surroundings.Two species with identical niches cannot survive indefinitely, according to the "competitive exclusion principle" (CEP).The competitive exclusion principle states that when two competing living forms attempt to occupy the same niche, only one outcome is possible: One of them will eradicate the other.Learn more about principle of competitive exclusion here:
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Which hormone(s) is/are required for facultative water reabsorption in the collecting ducts?
ADH hormones are required for facultative water reabsorption in the collecting ducts.
What about facultative water reabsorption?The antidiuretic hormone is the hormone in charge of facultative water reabsorption (ADH). By enhancing the water permeability of key cells in the collecting duct and the last segment of the distal convoluted tubule, facultative water reabsorption is achieved. The proximal convoluted tubule is the initial area of the nephron that is in charge of reabsorbing water. The proximal tubule receives filtered fluid from Bowman's capsule. Antidiuretic hormone increases the reabsorption of water into the circulation by binding to receptors on cells in the kidney's collecting ducts. The collecting ducts are essentially impermeable to water in the absence of antidiuretic hormone, and water escapes as urine.In facultative reabsorption, water is reabsorbed through osmosis because the impact of ADH makes the collecting ducts more permeable to water.Learn more about hormone here:
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