which of the following statements accurately describes viruses?
a. Adenine (A), thymine (T), guanine (G), and cytosine (C) are the ________ building blocks for DNA; they are organized in different combinations to code for all of the proteins needed to accomplish everything the cell does. Mortality rates are reduced by the administration of antibiotics to affected individuals. c. the garbage truck that hauls away the wastes produced as a product is made d. RNA-dependent DNA polymerase; influenza virus c) the proteins in the host's cytoplasm b) enter a replicative cycle that kills the host cell. They are only capable of reproducing once inside a living host cell Viruses are living cells that are lacking the necessary structures to carry out cellular functions. A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms.. a. Streptococcus pneumoniae Cancer a) capsid - The mere presence of a toxin is insignificant without considering how much is there, where it is located, how accessible it is, and who is exposed. e. gp41 and gp120. 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. d) I, Which of the following characteristics is the largest contributor to determining a virus's host range? d. Chdiak-Higashi syndrome A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. b. gp120 One of the differences between bacteria and viruses is that : a. viruses are living and bacteria are non -living . d. MHC class I; MHC class II molecules. Which of these is not a consideration of toxicology? a. channel proteins question 2 5 out of 5 points which statement accurately describes capitalism? a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. 6 Tco 1 Which Statement Best Describes A Capitalist. Which of these best describes a virus? Which of the following statements about global health trends are true? True or false: Sick building syndrome refers to symptoms such as headaches, allergies, and chronic fatigue caused by a variety of toxins that build up in poorly ventilated indoor spaces. The tertiary structure consists of eight beta-strands connected by -helices (known as the globin fold) Hemoglobin is a tetramer composed of two different types of globin subunits, each of which has an O 2 binding site e) re-infection by the same herpesvirus strain, b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei. b. the sequence of the conserved X box of the HLA class II promoter d. a ribosome. Rank the stages in biomagnification of DDT, putting the earliest stage on top. Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. c. Substances can only pass through the membrane with the help of either active or passive transport proteins. b. Haemophilus influenzae d. X-linked SCID - Combined effects of exposure to multiple toxins. Which type(s) of chemicals travel through the environment most easily? Detoxification - Liver b) Replication of their genomes does not involve proofreading. Because the chemical industry thinks they are uncalled for, and toxicologists argue that there are problems with the necessary tests, the regulation of _______________ disrupters has been difficult to enact. c) They are rarely spread by insects. Which of the following statements accurately describes the difference between the way bacteria cause diseases and the way that viruses cause diseases? Which of the following is/are part of accepted cell theory? County employees are subject . a) Viruses are smaller in size than bacteria. The mosquito becomes infected when it feeds on the blood of a person infected with the virus. - Our increasing ability to detect traces of a substance sometimes means that though we can detect it, the level may be too low to cause harm. No color change in the beaker tells us that the starch was too large to cross the membrane from the cell and into the beaker. d. cytosol. Toxins - Lead This could be best used as a simple model for The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. 13-8 _____ is a strategy used by herpesviruses where replication and the generation of virus-derived peptides are avoided in order to hide from the immune response. e. protease. 0.04 ppm - Zooplankton The measles virus causes nasal and lung infections. This problem has been solved! 5. a. integrase The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A." c. herpes zoster Julie S Snyder, Linda Lilley, Shelly Collins. d) Double-stranded RNA viruses b. anti-HIV antibodies are detectable in their blood serum Match each type of substance to its characteristic. b. a) III The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. a. Hydraulic structures, e.g., sluicegates and pumping stations, can directly influence flooding processes and should be represented in flood modeling and risk assessment. 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? B cells; CR2 a. they are recycled by endocytosis more quickly than the normal receptor d. superantigen 13-43 Which of the following is not used by the herpes simplex virus to subvert host immune responses? 2. Antibiotics for humans are generally ______ in the United States. d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. Solubility is important in determining how a substance travels and is absorbed. You know that the enzymes needed to perform photosynthesis in plant cells are closely associated with the membranes in chloroplasts. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. 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 Question 1. 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. Chytridiomycosis (or chytrid fungus) is an ecological disease that affects amphibians and is ______. Please describe the competing . c. the IFN- receptor d. T-cell and B-cell development On the basis of the experimental data and the gradient-less optimization approach, the modeling strategy and the parameterized equivalent dynamic finite element model are presented. a) enter a replicative cycle that does not kill the host cell. All living cells arise from preexisting cells, and all living cells have membrane-enclosed organelles. Viruses burst (lyse) from host cells and kill the cell; Virus connects to a receptor on the cell's surface; New viruses infect other cells and create more viruses; Virus genomes and protein cotas self-assemble; Re-sequence the steps in teh chart to reflect the correct order of the virus reproduction process. 15. Which of the following statements accurately reflect how allergens affect us? They are only capable of reproducing once inside a living host cell. This specifically makes alcohol a ______. d. C5-C9; defend against Neisseria (Use just one word for your answer.). Herpes simplex virus infects B lymphocytes. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? c. oxygen (O2) 120 seconds. A. Examine the figure below. - spreading worldwide. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. b. simple diffusion Nearly all substances are toxic depending on the amount, delivery rate, and method. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. So, the water osmosed across the plasma membranes out of the radish cells decreasing the turgor pressure inside of the cells and making them crunchier. Over time, the students sitting in the far corner of the room would smell the perfume. III. 180 seconds. f. CD40 ligand. Dose (amount of experience) - Horizontal (x) axis d) lytic phages Collection, integration, and effective use of clinical data for this purpose presents a variety of specific challenges. mutations are introduced into the virus. c. varicella-zoster Biomagnification occurs because of bioaccumulation. d. viruses are prokaryotic and bacteria are eukaryotic . A collection of three American sterling silver vases and a sterling-overlay glass vasevarious makers, 20th centuryComprising a Tiffany & Co. bud vase with 925 sterling hallmark, with 1907-1947 date mark, maker's mark, "19397 5521" marked to interior; an early 20th century Unger bud vase with vine and floral engraving, with sterling hallmark, maker's mark, "09792" marked to . a. LFA-3 d. No; eukaryotic organelles are expelled each time the cell divides. All of the answers given. Water-soluble types - These substances move widely in the environment and also have ready access to body cells as their solvent is ubiquitous b. What is the most likely explanation of why they became crunchy again after soaking in water? Previous infection with S. pneumoniae wears down the immune system over time. The odds of being involved in a car accident are about 1 in 100 while the odds of being involved in an airplane accident are about 1 in 5,000. d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. kill the host cell immediately, while bacteria maintain life within the . 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. C. Viruses contain organelles while bacteria cells do not. a. The boundary that surrounds the contents of the nucleus is the c) Cutting and assembling the capsid would be halted. d. superantigens a) They can be spread via the plasmodesmata. c. hereditary angioedema Your muscle cells need large amounts of ATP to function in the movement of your body. The phage genome is integrated in the host chromosome where it is passed on to daughter cells through binary fission. e. X-linked Wiskott-Aldrich syndrome. b. a prokaryotic cell with a nucleus. b. rough ER d. nucleus, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. b. DNA-dependent DNA polymerase; influenza virus Select one or more: O a. They affect wildlife populations, such as bats and frogs. a. a. C1INH A. d. T-cell receptor V chain. - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. I. You have four methods at your disposal that you can use to analyze the substance in order to determine the nature of the infectious agent. 13-56 Bare lymphocyte syndrome leading to a lack of HLA class II molecule expression is due to a defect in _____. - Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years). The Black Death, the 1918 influenza, and the H1N1 flu virus were all ______, as they caused widespread and worldwide infections. This series recruitment will close on March 28, 2023, at 11:59 pmTHIS POSITION IS ELIGIBLE FOR APPOINTMENT AT STEP 1, $66,164.80. a. Car accidents and firearm assaults - These have risks between 1 in 103 to 1 in 285 a) They can be spread via the plasmodesmata. c. CD40 ligand; produce GM-CSF .ESSENTIAL FUNCTIONS1. b) the enzymes carried by the virus c) They are rarely spread by insects. Our goal is to let community members put their participance into new projects with confidence. All toxic substances are hazardous, but all hazardous substances are not toxic. c. the expression of MHC class I and class II molecules A majority of the MRSA (methicillan-resistant Staphylococcus aureus) infections recorded in 2011 were related to ______. 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. 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. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. c. lymphoproliferative syndrome caused by deficiency of SH2D1A Which of the following statements best describes vaccines? Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. This study aims to present a robust numerical model by . Which of the following organelles would you expect to be especially abundant in muscle cells? DDT is a well-known case of biomagnification in the environment. a. CD4 Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. - misunderstanding probabilities about harm from a hazard c. nuclear pore. 13-9 Which of the following statements regarding herpes simplex virus is false? 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. b. Reactivation of herpesviruses follows stressful incidents. c. viruses are biotic and bacteria are abiotic . d. the blueprints for making the product, b. a worker in a factory who places labels on products and then packs them into a shipping box. e. Listeria monocytogenes A variety of respiratory diseases in humans can be caused by adenoviruses. a. a. Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? d. Anti-capsular antibodies are cleared from the host quickly after an active infection. In the graph shown, match each dose-response curve with what it represents about the possible response at low doses of exposure to a toxin. Setting environmental health policy is challenging because ______. b. So, excluding these clients from both years, we would have recorded revenue growth of 7% in 2022.". Prokaryotic cells must also carry out respiration but do not have mitochondria. The products are arranged under different categories like . The World Health Organization's definition of health includes ______ wellbeing. "Approximately 88% of our 2022 revenue came from technology-enabled business solutions. The WBC's job is to take the bacteria inside of itself and destroy the bacteria. However, some sugar molecules are too large to pass through the membrane either way without the assistance of passive transport proteins. C.) A virus is nonliving because it lacks an organelle that allows movement. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. a) co-infection with an unrelated virus that causes the same symptoms a. I would expect to find the photosynthetic enzymes in the chloroplasts of the bacteria. Our professionals strive to design and deliver high quality human and health services that improve the safety, independence, and well-being of the people of . They bind to MHC class I molecules and T-cell receptors. Viruses are typically a piece of genetic material encased in a protein capsule. Which of the following processes can be effective in preventing the onset of viral infection in humans? a. impermeable A virus is living because it has an envelope that acts like a cell membrane. a. D. A virus does not have a cell, produces carbon dioxide, and uses oxygen. A virus is living because it has DNA that stores genetic information. a. Wiskott-Aldrich syndrome caused by deficiency of WASP 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. Which of the following statements about viruses is false? d. neurons; MHC class I d. massive production of IL-2, IFN-, and TNF- - Reduced cancer risk The smooth endoplasmic reticulum Which of the following statements accurately describes a difference between viruses and bacteria? What is the current concern with using Sprague-Dawley rats in toxicology studies? What is this speed in meters per second? Culture the substance by itself on nutritive medium, away from any plant cells. d) Cutting and assembling the capsid would be halted. - Endocrine disrupters may cause reproductive dysfunction in females. O The envelope is only found on RNA viruses. b. protease - Mutagens are agents such as chemicals or radiation that damage DNA. Interpret this graph by matching each label to the correct line in the graph. d. There will be no net movement of water because the solutions are isotonic. The Sprague-Dawley rat is ______ to endocrine disrupters than ordinary rats, so studies using them are not reliable. Urban flooding has become one of the most common natural hazards threatening people's lives and assets globally due to climate change and rapid urbanization. 13-20 Dominant mutant forms of IFNR1 exhibit all of the following in heterozygotes except _____. 13-52 _____ participates in the T-cell cytoskeletal reorganization required for T-cell cytokine production and cell-mediated interactions. Which of the following statements about chronic and acute exposure and effects are correct? - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. 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. 13-7 Genes encoding _____ rearrange in trypanosomes permitting replication and survival of the pathogen until the host produces an antibody response against the altered gene product. What is a probability calculation and how is it used in risk assessment? a) Vertical transmission is transmission of a virus from a parent plant to its progeny, and horizontal transmission is one plant spreading the virus to another plant. - personal ignorance about the hazard - Vegetables, whole grains, and other healthy foods can boost our ability to tolerate toxins. Proton therapy accurately targets very specific locations, which may result in less damage to surrounding . b. exocytosis. They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. 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. c. innate; acquired immune responses a. transport proteins 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 _______. ; Patriot Platinum Travel Medical Insurance SM . In the following section, we describe this approach in detail. 13-10 Which of the following is not associated with the reactivation of herpesviruses? A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. a. influenza virus For additional recruiting questions, please contact Isaac.Phelps@state.co.us. - better nutrition e. they are unable to transduce signals when bound to the normal form. d. carbohydrates. 13-6 All of the following use gene conversion to avoid immune detection except _____. 13-12 Shingles is associated with infection by _____. B. HIV is able to hide from the immune system. O The presence of an envelope influences viral entry and exit strategies. Traditional reliability design methods describe the dispersion degree of soil parameters with their point variance without considering the influence of correlation distance. Car accident When the toxic burden of organisms at a lower trophic level is accumulated and concentrated by a predator in a higher trophic level it is called ______. - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. - The chemical agent is not biodegradable and thus is persistent in the environment. Which of the following statements is true of chloroplasts? Which of the following statements accurately describes a difference between viruses and bacteria? 4. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. - Endocrine disrupters may interfere with growth and development. Poisons that are produced naturally are called ____________ substances. It may last a few seconds or a few hours. Adopting the precautionary principle in regulating environmental toxins ______. c. bacteria and yeast c. All living cells have membrane-enclosed organelles. c. RNA-dependent DNA polymerase; HIV This manuscript presents a full duplex communication system for the Deaf and Mute (D-M) based on Machine Learning (ML). C) A person with an illness cannot be considered healthy. c. matrix protein a. lipids. d. They are obligate intracellular parasites. b) Viruses can replicate independently of their cellular hosts. True or false: Conservation medicine refers to efforts by biologists to treat sick or injured wildlife. Other duties may be assigned as deemed necessary or appropriate by management.