Arsenic poisoning disrupts ATP production by inhibiting several of the enzymes in the oxidative phosphorylation pathway. Some of the symptoms of arsenic poisoning are similar to cystic fibrosis (CF; a hereditary disorder that results in difficulty breathing and frequent lung infections). What impact may arsenic poisoning have on components of the plasma membrane and transport that would result in CF-like symptoms?
Question
Arsenic poisoning disrupts ATP production by inhibiting several of the enzymes in the oxidative phosphorylation pathway. Some of the symptoms of arsenic poisoning are similar to cystic fibrosis (CF; a hereditary disorder that results in difficulty breathing and frequent lung infections). What impact may arsenic poisoning have on components of the plasma membrane and transport that would result in CF-like symptoms?
Solution
Arsenic poisoning can have an impact on components of the plasma membrane and transport that may result in CF-like symptoms. Here are the steps to understand this:
-
Arsenic poisoning disrupts ATP production by inhibiting enzymes in the oxidative phosphorylation pathway. ATP is essential for various cellular processes, including maintaining the integrity and function of the plasma membrane.
-
The plasma membrane is responsible for regulating the transport of molecules in and out of cells. It contains various transport proteins, including ion channels and transporters, which play a crucial role in maintaining the balance of ions and molecules inside and outside the cell.
-
Arsenic poisoning can interfere with the function of these transport proteins. This disruption can lead to imbalances in ion concentrations, particularly chloride ions, which are important for maintaining the hydration and function of the respiratory system.
-
Cystic fibrosis is a hereditary disorder that affects the function of a specific chloride ion channel called the cystic fibrosis transmembrane conductance regulator (CFTR). Mutations in the CFTR gene result in a defective or absent CFTR protein, leading to difficulties in chloride ion transport.
-
The impact of arsenic poisoning on transport proteins, including chloride ion channels, can mimic the effects of CF. This can result in difficulties in maintaining proper hydration of the respiratory system, leading to symptoms such as difficulty breathing and frequent lung infections, which are characteristic of CF.
In summary, arsenic poisoning can disrupt components of the plasma membrane and transport, leading to CF-like symptoms. The inhibition of enzymes in the oxidative phosphorylation pathway and the interference with transport proteins, including chloride ion channels, can result in difficulties in maintaining proper hydration and function of the respiratory system, similar to the symptoms observed in cystic fibrosis.
Similar Questions
During the production of metals (smelting), arsenic is produced and released to the atmosphere, where it functions as a neurotoxin. If a family was exposed to arsenic over a long period of time, which of the following health outcomes would be most likely?A.Breakdown of skin and other tissuesB.Early onset of puberty in childrenC.Poisoning leading to deathD.Nervous system disorders and problems in brain development leading to low IQ
A patient has been exposed to a toxic compound that increases the permeability of the mitochondrial membranes to protons. Which of the following metabolic changes would be expected in this patient?Group of answer choicesIncreased ATP synthase activityIncreased ATP levelsIncreased oxygen utilizationDecreased electron transport in the respiratory chainAll of the above
Match the health effect with the correct wastewater hazard.Group of answer choicesPeople often show no symptoms. If symptoms occur, they can be light. Symptoms include abdominal discomfort or pain. Heavy infections can block the intestines and slow growth in children. Other symptoms such as cough may occur.Most people have no symptoms. Some have gastrointestinal symptoms, especially persons who are infected for the first time. The most serious effects are the development of anemia and protein deficiency caused by blood loss. When children are continuously infected, the loss of iron and protein can retard growth and mental development.Symptoms range from mild to severe and can include fever, malaise, loss of appetite, diarrhea, nausea, abdominal discomfort, dark-colored urine, and jaundice. Not everyone who is infected will have all the symptoms. Can cause debilitating symptoms. The incubation period is usually 14–28 days.Most people experience diarrhea that can be bloody, fever, stomach pain, and feeling the need to pass stool (poop) even when the bowels are empty. Symptoms usually start 1–2 days after infection and last 7 days. In some cases, bowel habits (frequency and consistency of stool) do not return to normal for several months.
Which of the following statements is MOST likely to be INCORRECT?AInhalation of cadmium can lead to anemia.BLead is particularly harmful to young children.CIngestion of arsenic can cause changes to skin.DMinamata disease can be caused by ingesting methyl mercury
Learning goal 3: Arsenic is a poisonous substance that sometimes gets into water supplies. The official safe level is 0.007 milligrams per litre (mg/L). A town water supply has a reading of 0.02 mg/L.Determine whether it is safe to drink the water from the town supply. The town supply is safe to drinkThe town supply is unsafe to drink
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.