The following cranial bones do not form the calvaria in an animal and that is the ethmoid bone, also known as the skull cap, is considered one of the top bones of the skull.
What is the significance of the calvaria?is the top portion of the skull that encloses the brain and is formed by the two parietal bones, the frontal bone, and the ethmoid bone, which is a complex bone located in the center of the skull and generally separates the nasal cavity from the brain.
Hence, the following cranial bones do not form the calvaria in an animal and that is the ethmoid bone, also known as the skull cap, is considered one of the top bones of the skull.
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Briefly define osmosis and diffusion, being sure to explain how they are different and how they are similar?
Osmosis is the process by which solvent particles flow from a dilute solution to one that is more concentrated. Diffusion, in contrast, is the transfer of particles from a region of higher concentration to one of lower concentration.
What are the differences and similarities between osmosis and diffusion?Differences:
While osmosis describes the process by which water, or other solvents, flow through a semipermeable membrane, leaving other bits of matter in its path, diffusion involves molecules in a high concentration area moving to areas with a low concentration. As an illustration, oxygen diffuses into red blood cells, and salt placed outside a cell would osmotically suck the water out of the cell, drying it.Molecular size and electric charge affect how quickly molecules diffuse through a membrane. Instead of the type of molecule on either side of the membrane, osmosis is dependent on particle concentration.Similarities:
As passive processes, diffusion and osmosis don't require energy to take place.Learn more about osmosis and diffusion here:
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Unicorns can either have straight horns (h), which are dominant, or crooked horns (h). a heterozygous straight-horned unicorn mates with a crooked-horn unicorn. 1) what mode of inheritance is happening here?
The mode of inheritance happening in horns trait is complete dominance.
What is complete dominance?Complete dominance is a type of genetic inheritance pattern where one allele is expressed in heterozygous individuals.
The allele that is expressed is called dominant allele and the allele whose expression is masked is known as recessive.
In conclusion, the mode of inheritance is complete dominance.
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These large paired bones form most of the lateral and superior walls of the cranial vault (calvaria).
The parietal bone are large paired bones form most of the lateral and superior walls of the cranial vault (calvaria).
What is a Bone?These are tissues which contain high amounts of calcium and form the main component of the skeleton. They also helps to provide structural integrity and rigidity to parts of the body and protect vital organs such as the heart, brain etc of the body from any form of external stimuli encountered.
The parietal bone is attached by a fibrous joint and forms part of the roof and sides of the cranium. They are also involved in the formation of most of the lateral and superior walls of the cranial vault (calvaria) present in the body system.
This is therefore the reason why parietal bone was chosen as the most appropriate choice.
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blood vessel with the largest lumen
A blood vessel that carries blood to the heart is called a vein. Veins have thin walls and larger, more erratic lumens than arteries.
Where are blood vessels found in your body?Blood is delivered to human tissues by arteries, which act as conduits or channels. Two tube-like closed systems of vessels start and stop at heart. The pulmonary arteries are a single system that carries blood from the right ventricle to the lungs and back to the left atrium.Blood vessels and heart vessels make up your circulatory system. About 60,000 miles of blood arteries make up your body.Blood is carried through blood arteries throughout the body. The blood is brought back to the heart by veins. Body cells and tissues are surrounded by capillaries that transport and absorb nutrition, oxygen, and other chemicals.Blood vessels are the channels or conduits through which blood is distributed to body tissues.The arteries (red) carry oxygen and nutrients away from your heart to your body's tissues. The veins (blue) take oxygen-poor blood back to the heart. Arteries begin with the aorta, the large artery leaving the heart. They carry oxygen-rich blood away from the heart to all of the body's tissues.To learn more about blood vessels, refer to:
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Arteries have thick walls comprised of three distinct layers (tunica) Veins have thin walls but generally have wider lumen (lumen size may vary depending on specific artery or vein)
A vein is a blood vessel that executes blood toward the heart. Compared to arteries, veins are thin-walled vessels with large and varying lumens
Which blood vessel is the biggest?the aorta
The largest artery is the aorta, the main high-pressure pipeline related to the heart's left ventricle. The aorta branches into a network of smaller arteries that extend throughout the body. The arteries' shorter branches are called arterioles and capillaries.
What are large lumen veins?Veins bring unoxygenated blood towards the heart, away from tissues at low pressure so the lumen is immense. Blood carries more slower and often against gravity so valves and a larger lumen ensure it is still fascinated efficiently. Capillaries have the smallest lumen but relative to their size the lumen is quite big.
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Describe the difference in gland structure between a salivary and a mammary gland.
The salivary glands and the mammary glands differ in structure on the basis of their basal epithelial cells.
The salivary glands have branched ducts which open in oral cavity. They also have saliva secreting glandular secretory end pieces called acini. The mammary glands contain alveoli which are lined by epithelial cells that secrete milk. The alveoli group together to form structures known as lobules each of which has a lactiferous duct.
In both these glands, the epithelium gets arranged into alveoli but in salivary glands, a single basal epithelial cell happens to cover the top of each alveolus but in the mammary glands, a number of basal epithelial cells are draped over each alveolus.
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Carbohydrate residues attached to the membrane lipids are: Carbohydrate residues attached to the membrane lipids are: always positioned on the intracellular side of the membrane. always positioned on the inside center of the bilayer. always positioned on the extracellular side of the membrane. always positioned equally on both sides of the membrane. also covalently attached to membrane proteins.
Carbohydrate residues attached to the membrane lipids are always positioned on the extracellular side of the membrane
Carbohydrates are significant parts of the cell membrane, present just on the external surface of the plasma layer, and are appended to proteins, framing glycoproteins, or lipids, and framing glycolipids. These carbohydrate chains might comprise 2-60 monosaccharide units and can be either straight or branched.
The carbohydrates of the membrane are engaged with cell bond and acknowledgment and go about as a physical barrier. Enormous, uncharged particles, for example, glucose can't diffuse through the membrane.
These carbohydrates structure particular cell markers, that permit cells to perceive one another. These markers are vital in the resistant framework, permitting safe cells to separate between body cells, which they shouldn't assault, and unfamiliar cells or tissues, which they ought to.
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To ensure smooth functioning of its supply chain, aarong has most likely utilized which form of boundaryless structure to organize the 50,000 dairy farmers?
Aarong Dairy extends to micro scale dairy farmers to expands their milk production scale.They use of different organizational structural forms to pursue its strategic goals. Aarong Dairy the micro scale dairy farmers receives training in para- veterinary services and other methods to improve theirs milk production.
To provide access to a permanent and reliable market, Aarong Dairy brought the milk that the farmers produced.This arrangement allows the micro-scale dairy farmers for the quality of the milk.
The advantage for Aarong Dairy is that thousand of micro-scale dairy farmers serve as its dedicated milk production , they does not have to be responsible for the operations and overhead of the dairy.
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A and B are linked genes. In a study of 100 offspring, 94 had parental genotypes for A and B, while 6 were recombinants. A and B are _____ centimorgans (cM) apart
A and B are linked genes. In a study of 100 offspring, 94 had parental genotypes for A and B, while 6 were recombinants. A and B are 6 centimorgans (cm) apart.
Genes that are physically adjacent to one another on the same chromosome are said to be linked genes because they are more likely to be inherited together. Chromosomes are recombined during meiosis, causing gene swaps between homologous chromosomes. Together, they are inherited. For instance, certain eye and hair colors are inherited jointly and are related genetically.By dividing the total number of recombinant gametes by the total number of gametes, X 100 the linkage distance is determined.Thus here the total recombinant genes are 6 and the total number of gametes or offspring are 100 so,
[(6/100) x 100]
= 0.06 x 100
= 6
Hence, A and B are 6 cm apart.
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The portion of the tubule system that is relatively impermeable to solutes but contains many aquaporins for water reabsorption
Descending limb of loop of Henle
It helps to maintain the concentration of urine. It is highly permeable to water thus water is readily reabsorbed from the descending limb by osmosis. It is impermeable to sodium and chloride ions.
What is a Tubule system ?The transverse tubular system is a network of interconnecting rings, each of which surrounds a myofibril
The nephron uses four mechanisms to convert blood into urine: filtration, reabsorption, secretion, and excretion. These apply to numerous substancesThe distal convoluted tubule (DCT) and collecting duct (CD) are the final two segments of the kidney nephron. They have an important role in the absorption of many ions, and in water reabsorption.Learn more about Tubule system here:
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6. Many people have fish in an aquarium.
Discuss with a classmate how an
aquarium is not a real ecosystem. Be sure
to identify what parts of an ecosystem are
missing. Would it be possible to design
and build an aquarium as an ecosystem?
Explain your answer.
Answer:
it's is not an ecosystem as it is artificially build all the necessary supplements to support aquatic life is supplied by humans
Involuntary nerves that stimulate the body in times of stress and crisis are __________ nerves.
Write some advantages of molecular formla of compounds
The molecular formula of an organic compound indicates the number of atoms of each element that make up a molecule of the substance and the proportion between them.
What is the molecular formula?The molecular formula indicates the actual number of atoms of each type of chemical element that appears in the molecule. For example, the molecular formula for water is H2O, which means that in every water molecule there are two hydrogen atoms bonded to one oxygen atom.
With this information, we can conclude that the number of atoms of each element that make up a molecule of the substance and the proportion between them is called molecular formula
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What is the primary advantage of noneugenol periodontal surgical dressing over periodontal surgical dressing that does contain eugenol?
Some people may develop redness and burning discomfort in the vicinity of the bandage if they are allergic to eugenol.
In order to lower the danger of surgery site infection and bleeding, speed up wound healing, and lessen patients' pain and discomfort, periodontal dressings were devised.The ability of eugenol-based dressings to numb pain and make sites less sensitive made them popular in the past, especially after gingivectomy. Based on its antibacterial qualities, zinc oxide-eugenol dressings appeared to prevent or delay bacterial development. However, it was discovered that eugenol irritated oral mucosal tissues, caused allergic reactions, and caused tissue necrosis, especially in bone, which slowed the healing process. Thus, noneugenol periodontal surgical dressing are preferred.learn more about eugenol here: https://brainly.com/question/17092785
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Histamine increases blood flow and vascular permeability. This would account for all of the following changes that occur during inflammation except Group of answer choices redness of the inflamed tissue. chemotaxis of phagocytes. heat of the inflamed tissue. movement of defense proteins and cells into the interstitial space.
Histamine inhibits the chemotaxis which is the movement of cells along the gradient.
Histamine:
It is a neurotransmitter that is released by the mast cells in response to an allergen that causes an allergic reaction. It is responsible for redness of the inflamed area, heating, movement of leukocytes, and defense proteins to the site of injury. Histamine is responsible for vasodilation and increased permeability. The immune cells move to the site of injury and cause the flow of blood to the injured site. It plays an important role in allergic and hypersensitivity reactions. Histamine is also responsible for gastric secretion, smooth muscle contraction, and itching.
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The transformation of a human from one to several billion cells requires the process of?
The transformation of a human from one to several billion cells requires the process of mitosis. Mitosis helps in growth and repair by producing more number of identical cells.
Mitosis helps in genetic stability through spindle assembly checkpoint (SAC), the main checkpoint in mitosis, it becomes active and keeps acting until each chromosome is properly attached to the mitotic spindle, ensuring faithful segregation of the chromosomes. Mitosis is primarily involved in the division of the parent cell to produce two identical daughter cells. Mitosis divides the nucleus of the cell along with its chromosomes into two daughter cell nuclei, each inheriting the same chromosome number as its parent cell. It is primarily involved in growth.
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A type of collagen that forms a very fine network of fibers in which the stem cells are interspersed is called
A type of collagen that forms a very fine network of fibers in which the stem cells are interspersed is called Reticulin.
Undifferentiated cells with the capacity to self-renew and specialise into cells more suited to a particular tissue are known as stem cells. These stem cells are available for utilisation by the body at any time.They are located in what is known as the "stem cell niche" of each tissue, where they are encircled by cell-matrix proteins such as reticulin.
Reticulin fibres are produced by fibroblasts and composed of type III collagen found in bone marrow and lymphatic tissues, are the connective tissue.The cords of parenchymal cells are encircled by reticular fibres, which are also visible close to the sinusoidal walls.
Therefore, A type of collagen that forms a very fine network of fibers in which the stem cells are interspersed is called Reticulin.
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Advances in Epidural Spinal Cord Stimulation to Restore Function after Spinal Cord Injury: History and Systematic Review.
Spinal cord stimulation (SCS), and more especially epidural SCS (eSCS), was first created to treat chronic pain and has been described since 1967. It includes the surgical insertion of a tiny array of electrodes into the epidural region.
Abstract:Recent research has identified epidural spinal cord stimulation (eSCS) as a viable treatment for chronic spinal cord damage (SCI). It has been demonstrated that eSCS can find undiscovered routes in the injured spinal cord. The main conclusions that have been drawn so far about the application of eSCS in SCI are summarized in this review. Utilizing the reference lists from the included papers as well as the databases MEDLINE, EMBASE, and Web of Science, searches were conducted. Studies looking into the application of eSCS to enable volitional movement and to reestablish autonomic function in SCI patients were found using a combination of medical subject heading terms and keywords.
In order to prevent pain signals from flowing from your spine to your brain, an epidural anesthesia injection works by injecting an anesthetic into the epidural area around your spine.
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A scientist completes a new investigation and announces that she has developed a new theory. Which of the following statements is most likely true about her investigation?
She discovered a law of science.
She has consensus on a new theory.
She will not need to repeat the experiment.
She may have solved a problem, but more data is needed.
it may be B C or D
The statement 'She may have solved a problem, but more data is needed' is most likely true about her investigation.
What is a scientific theory?A scientific theory is a well-sustained body of knowledge obtained by observing the real world, collecting empirical evidence and applying the scientific method.
The scientific method represents the procedure to test hypotheses that eventually generate a predictive body of knowledge which we call scientific theory.
The scientific theories generally are tested and confirmed repeated times by using different bodies of data and scientific evidence.
In conclusion, the statement 'she may have solved a problem, but more data is needed' is true about her investigation.
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During the alarm stage of the body’s stress response, what emergency hormone is released to prepare the body to respond to a stressor?.
Answer:
Adrenaline
Explanation:
Adrenaline is a hormone that prepares the body for "fight or flight"
Which answer provides a definition of voice that is specific to the domain of English language arts?
Answer:
The answer that provides a definition of voice that is specific to the domain of English language arts would be (the style and tone that makes a writer's work unique).
Cholera toxin locks the Gs subunit into an active state, in that GTP is bound and cannot be hydrolyzed back to GDP to turn off the subunit. What effect will cholera toxin have in the cell
Cholera toxin locks the G-subunit into an active state, in that GTP is bound and cannot be hydrolyzed back to GDP to turn off the subunit. This leads to a subsequent activation and increase in adenylate cyclase inside the cell. This increases the level of cAMP which leads to cytolysis of the cell.
The cholera toxin is released from a bacteria known as vibrio cholera. This bacteria is gram-negative and releases this toxin into the body which leads to manifestations like vomiting, increased heartbeat, watery diarrhea, cramps in the muscles and a low blood pressure. When this toxin is released into the body. The toxin activates adenylate cyclase and increases its level. This in turn increases the level of cAMP. This initiates a signaling cascade which effects the osmotic pressure of the cell. This leads to subsequent cytolysis of the cell.
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acd is the answer to this multiple choice question
Answer:
where is the question?
Explanation:
A(n) ______ cell contains two sets of chromosomes, one set of chromosomes inherited from each parent.
A diploid cell contains two sets of chromosomes, one set of chromosomes inherited from each parent.
The term diploid means to the presence of two complete sets of chromosomes in an organism's cells, with each parent contributing a chromosome to each pair.
Sexually reproducing organisms are diploid.
We humans are diploid and most of our body cells (somatic cells) contain 23 pair of chromosomes. In each one of us there are total 46 total chromosomes. Half come from the mother, the other half come from the father. The two of the chromosomes X and Y determine your gender as male or female by birth.
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Bilirubin competes with some drugs for the same binding site on plasma proteins. What effect would an increased concentration of bilirubin in the blood have on the potential activity of this drug
An increased concentration of bilirubin in the blood have on the potential activity of this drug will be The fraction of bound drug would decrease thereby increasing potential activity.
The body creates bilirubin as a byproduct of the breakdown of red blood cells (RBCs). The bile duct contains the bilirubin once it has traveled to the liver. Bilirubin is ultimately eliminated by the body through stools. Brown and yellow bilirubin is the pigment that gives feces their brown hue.The RBCs regularly replenish and have a lifespan of approximately 120 days. Hemoglobin, which is found in RBCs, aids in the movement of oxygen throughout the body. Each cell's hemoglobin is stripped of iron, allowing the cells to degrade into bilirubin and other compounds. Albumin, a straightforward protein, helps the bilirubin reach the liver.learn more about bilirubin here: https://brainly.com/question/16639934
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Sterile gowns are considered sterile from shoulder to:
sterile gowns are considered sterile from shoulder to: waist
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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Drag each label to the appropriate position to identify whether the structure contains oxygenated or deoxygenated blood.
Deoxygenated: jugular vein, superior vena cava, right atrium, great cardiac vein, pulmonary trunk and arteries. Oxygenated: descending aorta, left ventricle, coronary arteries, carotid artery.
How does the circulatory system work?Two circuits compose the circulatory system
Lung circulation
1- Deoxygenated blood goes from the heart to the lungs where releases CO₂
2- Blood gets oxygenated again by absorbing O₂.
3- CO₂ is exhaled and oxygenated blood returns to the heart.
Systemic circulation
1- Oxygenated blood moves to all tissues.
2- Deoxygenated blood returns to the heart.
You will find the image in the attached files.
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One cup of oatmeal has approximately 25 grams of carbohydrates. How many calories are coming from the carbohydrates in the oatmeal
Explanation:
100 rhfgshshshsjhsbsjsjsj
Iii. describe two or more environmental problems and tell what can be done to help solve them. first write and then record five sentences.
Two environmental problems are- pollution and deforestation.
The environment is at the mercy of human beings and has suffered at the hands of the human clan, which has led to its destruction at a massive level. The two main problems of the environment are pollution and deforestation.
Pollution- There are several types of pollution that are responsible for deterioration of the environment. The four main types of pollution are air pollution, water pollution, soil pollution and noise pollution. Pollution can be tackled by controlling the release of pollutants. For air pollution, fossil fuels like petrol can be replaced by natural fuels like CNG, dumping of industrial wastes should be treated and minimized before their release in water bodies and toxic fertilizers should be avoided to minimize soil pollution.Deforestation- The primary solution for this problem is to find ways and spots to plant new trees in abundance. Also illegal felling of trees and clearing lands should be made into a punishable offence.Learn more about pollution here-
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I WILL MARK YOU BRAINLIEST IF YOU ANSWER THIS.
Answer:cell is the basic unit of life.
A cell may be unicellular or multicellular
Explanation:
Answer:
Two of the three points of cell theory:1) All living organisms are composed of one or more Cells.2) Cell is the basic, structural and functional unit of living organisms.Hope this helps.Good luck ✅.