Potential harm to other species or entire ecological systems. - Though cells have repair mechanisms to restore damaged DNA, there is no safe threshold for exposure to mutagens as the repair process may be flawed. This survey study estimates the prevalence of current hepatitis C virus infection among adults in each US state and the District of Columbia from 2013 to 2016 u . ______ is a condition that is associated with drinking during pregnancy that results in a cluster of symptoms including craniofacial abnormalities, developmental delays, behavioral problems, and mental defects, which last throughout a child's life. answer choices Viruses can eat and metabolize food. However, some sugar molecules are too large to pass through the membrane either way without the assistance of passive transport proteins. e) re-infection by the same herpesvirus strain, b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei. - must be handled carefully in large doses, but they can be rendered relatively innocuous by dilution, neutralization, or other physical treatment, draws from many disciplines, including biology, biochemistry, pharmacology, among others. d. MHC class I; MHC class II molecules. Your friend says you should refrigerate them in a bowl of water overnight. The solution level on the left side of the figure would decrease while the solution level on the right side of the figure would rise. c) Cutting and assembling the capsid would be halted. - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. a) Double-stranded DNA viruses Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. I. e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. e. factor I a. d. The water will not move at all because the water concentrations are isotonic. f. SH2D1A. Choose the following statement that most accurately describes viruses. A piece of dialysis tubing has been filled with a cloudy white solution of 5 percent starch, 5 percent egg albumin (protein), and 5 percent glucose (a small sugar) dissolved in water to simulate a cell. c. No; although prokaryotic cells are comparatively less efficient than eukaryotic cells, they are still able to carry out the processes necessary for survival and reproduction. How do these molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment? B. HIV is able to hide from the immune system. c) Positive-sense single-stranded RNA viruses The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. The measles virus causes brain and skin infections. c. nuclear pore. b. immune individuals; susceptible individuals The Office of Justice Services (OJS), within the Bureau of Indian Affairs (BIA), is searching for an individual to serve as a Victim Assistance Program Manager. - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. You buy a bunch of small, round, red radishes at the grocery store; they are on sale because they have been sitting in the produce aisle for a while. Its function most resembles The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." - People tolerate familiar risks, despite the high probability of harm, because they often downplay the risk associated with familiar activities. b. hemagglutinin a. Virus b. Which of the following statements about chronic and acute exposure and effects are correct? You also notice that the solution inside of the cell is now a dark blue color while the solution in the beaker is still a light yellow color from the iodine. The dose-response curve showing LD50, as provided here, describes which of the following ideas? c. active transport 13-3 A primary immune response against influenza virus produces antibodies that bind to _____. You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. The two strands of DNA separate and serves as a template, and the daughter molecule will have a mix of an old and new strand. The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. This is because the solution on the left side of the figure is hypertonic while the solution on the right side of the figure is hypotonic. d. Certain solutes move freely across the membrane by simple diffusion while others must be helped across by active or passive transport proteins; some substances are completely excluded from crossing the membrane. Ospreys eat larger fish. They are recycled by endocytosis more quickly than the normal receptor. Which of the following factors do policymakers consider most important in setting an effective environmental health policy? a) Viruses are smaller in size than bacteria. Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? A nonliving complex of RNA or DNA protected by a protein coat a. Significantly more people have HBV (hepatitis) than HIV, but they are less likely to be treated for it. - caused by a fungus that thrives in cool, moist caves where bats hibernate The Black Death, the 1918 influenza, and the H1N1 flu virus were all ______, as they caused widespread and worldwide infections. The bacterial phage lambda can infect some bacteria and A) After infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? a. lymphocytes and platelets - spreading worldwide. stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. c. The cell should gain weight over time because it is hypertonic to the beaker environment and water will enter the cell through osmosis. d) ability to remove all viruses from the infected host. a. osmosis Both bacteria and viruses use host cells to reproduce, but viruses . 13-48 Individuals with an immunodeficiency affecting B-cell function are more susceptible to infections caused by which of the following pathogens? - The dose makes the poison. a) enter a replicative cycle that does not kill the host cell. We perceive risk differently, depending on control, interests, or context. b. sorts proteins and lipids and sends them to their final destination. This is because the solution on the left side of the figure is hypotonic while the solution on the right side of the figure is hypertonic. Which of the following characteristics is the largest contributor to determining a virus's host range? is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. Glyphosate - Used as an herbicide, Roundup Why do these antibiotics not work to kill viruses and cure people of viral infections? b. herpes simplex virus d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. c. T cells; CD8 the selective absorption and storage of a great variety of molecules inside cells at levels that are higher than the environment. Electrotherapy Unit III PTA Ultrasound Quiz 1. Match the following causes of death with the lifetime chance of dying that way in the United States. **see figure. Potential routes of exposure to toxins in the environment. It may last a few seconds or a few hours. - personal ignorance about the hazard Match the concentrations of DDT to where that concentration might be found based on the level of biomagnification. a) capsid Which of the following statements accurately describes plant virus infections? c. captures energy from sunlight and sends it to the mitochondria. c. Epidemics; pandemics Water-soluble types - These substances move widely in the environment and also have ready access to body cells as their solvent is ubiquitous How can a single sheet of Polaroid film be used to show that the sky is partially polarized? This is followed by a non-translated leader sequence, and then a single long protein-coding region (~7,000 nucleotides), followed by a poly-A tail. c. the garbage truck that hauls away the wastes produced as a product is made The solution level on the left side of the figure would rise while the solution level on the right side of the figure would decrease. The field that specifically deals with the interactions, transformation, fate, and effects of natural and synthetic chemicals in the biosphere, including individual organisms, populations, and whole ecosystems is ______. c) Reverse transcription would no longer be possible. A) A disease is traditionally diagnosed and treated by a nurse. a. c. global populations; local populations So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. c. TAP1 or TAP2 The measles virus causes nasal and lung infections. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. b. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? The radish cells were hypertonic to the water in which they were soaking. b) removal of viral mRNAs Each factor listed below plays a role in determining environmental toxicity. b. pinocytosis d) They have little effect on plant growth. a. Name several indicators that scientists use to evaluate the effects of climate change. Neurotoxins are poisons that affect us by ______. c. the ER lumen. 13-34 Which of the following explains why Streptococcus pneumoniae can infect an individual recurrently? a. LFA-3 a. Wiskott-Aldrich syndrome caused by deficiency of WASP Which of the following organelles would you expect to be especially abundant in muscle cells? b. exocytosis. c. processing to peptides is not required for T-cell activation One important way to control the spread of viruses in through answer choices the use of vaccines drinking a lot of tea The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. a. CD4 d) Viruses do not represent a single taxonomic group. f. CD40 ligand. c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. atom. Trauma - Car accidents Which of the following statements correctly describes one difference between green algae and land plants? b. c. a specialized membrane-bound vesicle; infection of the cell b. a cell wall. d. RAG1 or RAG2 a. osmosis. They are often harmful even in extremely dilute concentrations 13-37 An epidemic affects _____, whereas a pandemic affects _____. b) IV - improved sanitation - misunderstanding probabilities about harm from a hazard Bacteria are much larger than viruses, and t View the full answer Transcribed image text: You know that the enzymes needed to perform photosynthesis in plant cells are closely associated with the membranes in chloroplasts. e. leukocyte adhesion deficiency. Question 4 120 seconds Q. A mutation in the gene encoding the integrase enzyme (the protein that inserts the dsDNA into a host cell's DNA) renders the protein non-functional. True or false: Ecological diseases refer to infectious diseases that strictly affect wildlife or cause damage to habitats. 5. 13-11 Herpesviruses include all of the following except _____. Factor related to the organism - Immunological status at the time of exposure to the chemical. CRE is a lethal bacteria that is resistant to ________________; it causes <5% of all hospital infections but is fatal in about 50% of the cases. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? b. d. immune evasion Which cell that was viewed is most likely a prokaryote. - People tolerate high risks in activities of their choosing, as they often have an exaggerated view of their abilities to control fate. costs may increase significantly to protect the very small number of highly sensitive individuals at the extreme end of the curve. f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. d) Vertical transmission is the spread of viruses from trees and tall plants to bushes and other smaller plants, and horizontal transmission is the spread of viruses among plants of similar size. c. herpes zoster Which statement is incorrect regarding internal control in personal computer environment? Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) a. lipids. The solution level on the left side of the figure would decrease while the solution level on the right side of the figure would rise. What can be concluded about policy decisions addressing hazardous and toxic nutrients based on the U.S. Environmental Protection Agency's assessment of relative risks to human welfare? Excreting water-soluble salts and other substances - Kidneys. a. X-linked agammaglobulinemia: gamma globulin injections b. nuclear envelope. - Diet-related obesity can lead to illnesses such as diabetes and cardiovascular disease. "Approximately 88% of our 2022 revenue came from technology-enabled business solutions. c. variable surface glycoprotein (VSG) b) They can be spread via the plasmodesmata. For additional recruiting questions, please contact Isaac.Phelps@state.co.us. This study aims to present a robust numerical model by . The POPs of greatest concerns include substances such as chloropyrifos and glyphosate; we are exposed to them primarily by ______ because they are used in the production of ______. c. X-linked hyper IgM syndrome: gamma globulin injections a) the proteins on the viral surface and that of the host cell membrane - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes Which of the following statements about global health trends are true? Developing lung cancer after exposure to radiation - Chronic effect. c. The saline you used was hypertonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly out of the cell. Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. b. proteins. Which statement accurately describes capitalism? - Members of a population vary in sensitivity to a toxin. c. No; although prokaryotic cells are comparatively less efficient than eukaryotic cells, they are still able to carry out the processes necessary for survival and reproduction. The plasma membrane of some white blood cells contain ________ that bind with proteins of cells such as bacteria that have invaded the human body. 13-80 Reverse transcriptase is a _____ encoded by _____. b. rough ER d. nucleus, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. f. SCID caused by deficiency of common chain. c. nucleic acids. Predicting whether an individual will recover from a given disease. Which of the following statements accurately describes plant virus infections? - possibly spread by humans from one cave to another on their shoes and clothing. 13-6 All of the following use gene conversion to avoid immune detection except _____. Cancer Our 2021 revenue of $139.6 million would have been $118.1 million excluding these clients, and our 2022 revenue without these clients was $126.7 million. Your muscle cells need large amounts of ATP to function in the movement of your body. 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. Which of these best describes a virus? d. properdin (factor P) a) Fasting blood glucose from 120-180 mg/dL b) Fasting blood glucose from 126-140 mg/dL c) Fasting blood glucose from 110-125 mg/dL d) All of the above 7) All of the following drugs are oral hypoglycemic drugs, Except a) Metformin b) Sulphonylureas c) Thiazolidinediones A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. b. T cells; CD4 c. The saline you used was hypertonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly out of the cell. White-nose syndrome is a fungal disease that is devastating bat populations, causing mortality of 90 percent or more in infected colonies. 13-33 Patients who lack _____ are very susceptible to infections with intracellular bacteria, including the ubiquitous nontuberculous strains of mycobacteria. 13-24 All of the following are X-linked immunodeficiencies except _____. A metal such as lead that is stable, resistant to degradation, and can impair children's health long after exposure and far from where it might have first been used is of concern because of its _______. Which of the following statements most accurately describes a selectively permeable membrane? The leading reasons for nonrational risk perception include ______. 13-60 Herpes simplex virus favors neurons for latency because of the low level of _____, which reduces the likelihood of killing by CD8 T cells. 1. Steps of Virus Infections. b. a. is the site where lipids destined for other cellular compartments are manufactured. Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? Chloropyrifos - Used as a pesticide 13-16 All of the following are associated with superantigens except _____. Which of these sentences properly describes the difference between bioaccumulation and biomagnification? Which of the following statements accurately describes the properties of gases? What phenomenon has occurred to the perfume molecules that have entered the air? 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? If a bottle of perfume were spilled in the corner of a large lecture hall, the students sitting near that corner of the room would very quickly smell the perfume. a. reverse transcriptase A virus does not have a cell wall, nucleus, and eats. c) I c) use reverse transcriptase to incorporate the virus genome into the host cell DNA. 13-42 Epstein-Barr virus infects and establishes latency in _____, gaining entry by binding to _____. If each sugar molecule represents a percentage point of sugar dissolved in the solution, what change would you expect to see in the solution level over time and why? - Exposure to carcinogens can result in invasive, out-of-control cell growth that can cause malignant tumors. 15. Which statement most accurately describes a virus? d. hereditary angioedema Why do scientists classify viruses as non-living? Question 1. c) They are rarely spread by insects. - Differences between acute and chronic exposures Car accidents and firearm assaults - These have risks between 1 in 103 to 1 in 285 The function of photosynthesis is to use solar energy to make ATP; the primary function of respiration is to break down ATP to release energy. d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation. - Endocrine disrupters may cause reproductive dysfunction in females. a. plasma membrane. a. classical; alternative pathways of complement The hydrophobic tails lined up towards each other with their hydrophilic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a spherical liposome. Culture the substance by itself on nutritive medium, away from any plant cells. A. HIV is deadly, but doesn't target key cells in the immune system. B. B. b. Reactivation of herpesviruses follows stressful incidents. Reduce the amount of salt and animal fat in your diet - Reduced cardiovascular disease A. Which of the following statements explain why your evil roommate may have flare-ups for the rest of their life? b. purine nucleotide phosphorylase (PNP) e. thymic development. Which of the following is a reasonable and possible explanation of the experimental results? b. polysaccharides Correctly match the environmental disease agent to its example. Which of the following statements about viruses is false? b. Haemophilus influenzae d. They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore, the only way they can move into the cell is by endocytosis. Which of the following statements accurately describes a viral envelope? Which of the following statements accurately describes plant virus infections? 34 Questions Show answers. 13-25 Deficiencies in complement components C5-C9 and properdin (factor P) are associated with _____. d. pinocytosis. stable, they do not degrade easily and have become extremely widespread in the environment. The measles virus causes pancreas and liver infections. d. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids, a. water (H2O), carbon dioxide (CO2), oxygen (O2). d. cytosol. b. respiratory syncytial virus error prone replication of its DNA genome. b) Viruses can replicate independently of their cellular hosts. a. water (H2O) d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. The radish cells were hypotonic to the water in which they were soaking. a. Why? At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. Larger fish eat smaller fish b. the plasma membrane. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. c. varicella-zoster This is because the solution on the left side of the figure is hypertonic while the solution on the right side of the figure is hypotonic. answer choices. d. pinocytosis. c. they are able to form stable dimers with the normal form 13-15 Superantigens bind to all of the following molecules except _____. The cell should lose weight over time because it is hypertonic to the beaker environment and water will leave the cell through osmosis. If you already knew that the infectious agent was a prion, select all the treatments that would allow you to distinguish this? a. CD40 ligand What does the image depict in the context of environmental toxicology? PFCs are persistent chemicals, so they are ______. These individuals, who generally communicate through sign language, are an integral part of our society, and their contribution is vital. d. myeloperoxidase 4. b. polysaccharides, large protein molecules, low-density lipoprotein particles 5. Increased frequency:decreased depth of penetration C. Increased blood flow:greater temperature increase D. Increased water content:increased ultrasound absorption Declines in child mortality are largely a result of ______. (Use one word for your answer.). - Endocrine disrupters may cause feminization of males. c. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "B." d. active transport. The solution level on the left side of the figure would rise while the solution level on the right side of the figure would decrease. Mutable requirements Emergent requirements Consequential requirements Compatibility requirements SCENARIO: Consider an online shopping portal that allows a customer to browse and purchase different products. Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the. Shafting, three-point leveling units, and other components are reasonably simplified during the modeling . c. infected cells do not express any viral proteins during latency Viral genomes consist of what type of nucleic acid molecules? a. - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. The County of San Diego Announces an Excellent Entry Level Professional Opportunity AIR QUALITY INSPECTOR I Interviews will take place the week of April 24, 2023. c. inhibition of MHC class I expression c. transporter associated with antigen processing (TAP) b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei c. They are acellular. Explanation :-:virus are acellular. c. the use of other types of bacteria. C. Applying an external force to an enclosed volume of air will allow the air to expand and the volume to decrease. a. prokaryotic and plant 4. b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids A factory with an office that controls the information sent to separate rooms for each of the manufacturing and shipping processes would be analogous to b. the cytosol; escaping from the phagosome