Thursday, December 19, 2019

The Change Of Hemoglobin Changes Essay - 1210 Words

Homework #9 Chapter 11: 1. The change in hemoglobin changes as the change in the oxygen in the environment occurs. Each globin usually has two polypeptide chains encoded by genes that attract oxygen molecules to different degrees. 2. The pancreas which has two types of cell clusters. A transcription factor is activated and change the expression of a gene in a way that stimulates some progenitor cells to divide. 3. Proteomics is an area where gene expression emerges. It identifies and analyzes all the proteins that made in a cell, organ, or body. 4. The histone protein plays major role in interacting with other chemical groups which expose DNA and shield some sections. 5. Acetyl plays role can start the transcription. Methyl groups binds to a specific amino acid in a specific histone type. When the CH3 are added methylation spreads from the tail of one histone to the adjacent histone. The addition of phosphate is example of epigenetic changes. The addition of these three groups should be balanced. 6. MicroRNA’s can affect the gene expression by preventing their translation onto protein. This blocking function lead to enabling the cells to adapt to change condition. 7. Because the genes in pieces of exons and introns and alternate splicing make it possible for one store of information. 8. By using different information in a gene, the proteins can be resulted. These information is called isoforms where the driving force behind which version of a protein a cell makes isShow MoreRelated Discovering Sicke Cell Anemia Essay1320 Words   |  6 Pagesa protein called hemoglobin which transports oxygen from your lungs to every part of your body. Hemoglobins oxygen carrying ability is essential for living but if there is a structural defect on the pigmented molecule, it can be fatal. When a normal red blood cell distributes its oxygen, it has a disc shape. But when an affected red blood cell containing sickle cell hemoglobin releases its oxygen, the image of the cell changes from a disc shape to a sickled shape. In hemoglobin, there are four chainsRead More Sickle Cell Anemia Essay1282 Words   |  6 Pagesis carried in red blood cells by a substance called hemoglobin(Hemoglobin – is the main substance of the red blood cell. It helps red blood cells carry oxygen from the air in our lungs to all parts of the body). Normal red blood cells contain hemoglobin A. Hemoglobin S and hemoglobin C are abnormal types of hemoglobin.Oxygen is carried in red blood cells by a substance called hemoglobin.The main hemoglobin in normal red blood cells is hemoglobin A. Normal red blood cells are soft and round and canRead MoreFunction and Structure of Hemoglobin and Myoglobin Essay822 Words   |  4 Pagesnoncovalently bound to myoglobin and is essential for the biological activity of the protein. A three-dimensional structure of hemoglobin is determined by X-ray crystallography showed hemoglobin is made up of four polypeptide chains, each of those chains has a very similar three-dimensional structure to the single polypeptide chain in myoglobin. The major type of hemoglobin found in adults (HbA) is made up of two different polypeptide chains: the alpha-chain that consists of 141 amino acids residuesRead MoreThe Alpha Chains1584 Words   |  7 Pagestransported to the red blood cells. This means that oxygen is not being transported to the hemoglobin protein. The hemoglobin protein has to be released from the red blood cells and be released into the plasma by enzymes that contain heme. After the enzyme release the protein, the red blood is destroyed and hemoglobin can release oxygen into the bloodstream. With Alpha Thalassemia, the low functioning numbers of hemoglobin are not enough to provide stable oxygen levels. If the levels are too low anemia isRead MoreThe Probability of Inheriting a Disease Is Not Random1816 Words   |  7 Pagesinherited and it affects the anatomy of the red blood cells, resulting in a sickle shape which then affects the functions of red blood cells causing a blood disorder. Sickle Cell is a recessive disease and persons affected have both copies of the hemoglobin S gene. This genetic defect causes red blood cells to become sickle-shaped (cresent shape). The abnormal shape severely impede the ability of red blood cells to pass through small blood vessels. This impediment caused by the sickle-shaped red bloodRead MoreThe Theory Of The Equilibrium System1086 Words   |  5 Pagesthat were studied in this experiment were changes in the temperature of the system and changes in concentrations of reactants or products. Le Chatelier s Principle states that when an equilibrium system is subject to a stress, the system responds by attaining a new equilibrium condition that minimizes the imposed stress. The main stresses on an equil ibrium system are changes in concentration of the reactants or products, changes in temperature, and changes in pressure or volume for gaseous equilibriaRead MoreEssay on Carbon Monoxide Poisoning1062 Words   |  5 Pagescalled hemoglobin. Each hemoglobin molecule can carry four oxygen molecules. Hemoglobin is the main transported of oxygen, carrying around 98% of the oxygen in the blood, with the remainder 2% carried in the dissolved state (Porth 2011). If all four subunits of a hemoglobin molecule are filled, it is said be to fully saturated. The ratio of the amount of oxygen molecules bound to hemoglobin to the oxygen carrying capacity of the hemoglobin is expressed as a percentage value. A hemoglobin moleculeRead MoreSickle Cell Anemia Essay593 Words   |  3 Pagesproduction of normal hemoglobin, which is an iron-containing protein in red blood cells that transports oxygen from the lungs to body tissues. The defective gene results in the production of abnormal hemoglobin known as hemoglobin S. If you have the disorder, you inherited one gene for hemoglobin S from each of your parents. The gene is recessive, so if you received a copy of the gene from just one parent, you are a carrier of the sickle cell gene. Under certain conditions, after hemoglobin S releases itsRead MoreThalassemia1449 Words   |  6 PagesBeta Thalassemia Beta thalassemia is an inherited blood disorder characterized by the abnormal production of a blood protein called hemoglobin. This condition is caused by a mutation within the gene that is responsible for the healthy production of hemoglobin. In healthy people, hemoglobin carries oxygen to tissues and cells throughout the body. Patients with beta thalassemia do not have adequate levels of oxygen within the blood, which can cause anemia. There are two main types of beta thalassemia

Wednesday, December 11, 2019

Morning waking up essay free essay sample

A small crack in the egg-smooth walls of sleep, and I can sense a day circulating around me. Thin air holds images: a man sweeping trodden debris of dream off city sidewalk one hour before any pedestrian footfall. Shy birds made of confusion and tissue paper. Dissipating, those intent silent seconds when one listens In vain to pull full sentences from the soft dinner-party murmur of dreams and reality. To sort the sounds of the real bedroom from the mingling sounds of the Protean. The world opens up between my eyelids, and my eyelids open onto white ceiling or white wall.A breath-felled space where I keep who I am. This is the absence to watch with wonderl cant learn such blankness, cant buy it or excavate it from the days events no matter how I dig, such blankness is already vanishing as I begin reflexively to find myself. We will write a custom essay sample on Morning waking up essay or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page I am: the unmarked margin of a book. A faint vibration. The sound of something far away. I am: a radio tuned to soft Inchoate static. A tingling at the tips. I am: this hand, curled like a fern. I used to believe that the first thing I saw who.. Middle of paper .. NY billions of lungs. Youve got to groan when you stretch, youve got to make some sort of noise. Youve got to stretch your voice taut, stretch your arms to the side and top like a childs drawing of a sun extending crayon rays of light. Miraculous to know that you still work. And weather is stretching over the window-escape, some sort of weather-?clouds or a blue sky pulled tight over black-bound arpeggios of stars. I get up and go to the window, rumpled with sleep, a wrung sponge dripping lazy dreams.

Tuesday, December 3, 2019

Romulus And Remus Essays - Roman Mythology, Amulius,

Romulus And Remus Numitor, King of Alba, had been ousted by his brutal brother, Amulius. Amulius made sure Numitor would have no heirs by forcing Numitor's only child, his daughter, Rhea Silvia, to spend her days as a vestal virgin, serving in the temple of Venus, goddess of the hearth. Nevertheless, Rhea subsequently gave birth to twin boys, Romulus and Remus. Their father was not a man, but Mars, god of war. When Amulius found out what had happened, he slew Rhea Silvia and had the two boys thrown into the Tiber River. The river bore the twins safely ashore, where they were found by a she-wolf who suckled them with her milk. The wolf looked after them until they were found by Faustulus, one of the old king's shepherds, who adopted them as his own. When the boys were grown, Faustulus told them who their father was and described their mother's fate. Romulus and Remus avenged he by killing Amulius, and they restored Numitor to the throne. They then decided to build a city on the Tiber River. Realizing that only one of them could be its ruler, they sought guidance from the gods. Each climbed a high mountain to see what he could see. Remus saw a flight of six vultures, but Romulus saw twelve. Therefore Romulus, judging that the gods had favored him, began to lay the foundations of the city of Rome. He plowed a furrow to mark where the walls would be. But Remus mocked him, leaping over the thin furrow and saying that Rome's enemies would be able to get over its walls just as easily. Romulus was so furious he struck his brother dead. The city was built. It had a ruler, but no citizens. So Romulus declared Rome's sacred grove to be a sanctuary, and it soon filled with outlaws and fugitives, whom Romulus welcomed as his subjects. But there were still no women. So Romulus organized some games and invited his neighbours, the Sabines. While the Sabine men were enjoying themselves, he and his men carried off many of the Sabine women to Rome. Bloody war followed, but eventually the women themselves stopped the fighting, begging their new husbands and their fathers not to slaughter themselves needlessly. Romulus, the founder of Rome, was not to be its earthly ruler for very long. For his father, Mars, begged almighty Jupiter to make Romulus a god. When Jupiter agreed, Mars descended in his chariot and swept Romulus away. The body of the living man melted into thin air. From heaven, Romulus oversaw the rise, and fall, of the great nation he had founded. According to legend, the city of Rome was founded in 753 BC by Romulus, who was the son of Mars, the god of war, and Rhea Silvia, a human. The city, set on seven hills, was probably occupied during the Bronze Age, but appears in history in the 8th century BC. The Romulus legend seems to have originated in the 4th century BC. According to the story, after a battle with his twin brother Remus, Romulus became the first king of the new land before being spirited away to Mount Olympus. He was supposedly followed by Numa Pompilius, a wise ruler who is said to have contributed to the development of the modern calendar.