The leading reasons for nonrational risk perception include ______. The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. Why do scientists classify viruses as non-living? 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. Examine the figure below. Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? d) They have little effect on plant growth. What is the determined cause of colony collapse disorder? b) enter a replicative cycle that kills the host cell. Which of the following statements correctly describes one difference between vertical and horizontal transmission of plant viruses? Endocrine disruptors like BHA in facial moisturizers - Absorption (dermal) b. proper hand washing. c. oxygen (O2) Factor related to the toxic agent - Composition and reactivity of the chemical Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? Other duties may be assigned as deemed necessary or appropriate by management. - The dose makes the poison. A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms.. a. immune-complex disease a) enter a replicative cycle that does not kill the host cell. Match the persistent organic pollutant (POP) of current concern to its source. 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. b. hemagglutinin c) use reverse transcriptase to incorporate the virus genome into the host cell DNA. b) the enzymes carried by the virus - Acute exposure involves a single contact with a toxic chemical. 0.5 ppm - Small fish e. They induce suppression of the immune response by causing T cells to undergo apoptosis. b. herpes simplex virus 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. Chemicals or other factors that specifically cause abnormalities during embryonic growth and development are called ___________________. c. X-linked hyper IgM syndrome: gamma globulin injections Exhaling excess carbon dioxide - Lungs d. Pandemics; epidemics. - caused by a fungus that thrives in cool, moist caves where bats hibernate d. pinocytosis. Morbidity refers to _____________, whereas mortality refers to ____________. How can a single sheet of Polaroid film be used to show that the sky is partially polarized? Which of the following statements accurately reflect how allergens affect us? c. global populations; local populations On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive. d. C5-C9; defend against Neisseria c. the expression of MHC class I and class II molecules 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. b. DNA-dependent DNA polymerase; influenza virus Which of the following statements about viruses is false? PDF Name: Date: Block: Bacteria & Virus Unit Review - lcps.org Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. Which of the following statements accurately describe the hemoglobin molecule? 13-80 Reverse transcriptase is a _____ encoded by _____. **see figure. BIO6: Chapter 19 Flashcards | Quizlet You isolate an infectious substance that is capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, or prion. For some toxic substances, a millionth of a gram (an amount invisible to the naked eye) can be lethal. e. Janus 3 kinase (Jak3) a. Which of the following statements accurately describes how endocrine disrupters affect us? 13-52 _____ participates in the T-cell cytoskeletal reorganization required for T-cell cytokine production and cell-mediated interactions. c. Substances can only pass through the membrane with the help of either active or passive transport proteins. Which of the following statements accurately describes a difference between viruses and bacteria? d. MHC class I Using this kind of framing camera to diagnose the internal hot spot causes the light emitted from the same point in the target to appear at different positions on different frames, resulting in framing images that cannot accurately judge the evolution process of implosion, which seriously affects the accuracy of the measurements. - Endocrine disrupters may interfere with growth and development. a. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. a) It uses viral RNA as a template for DNA synthesis. - Allergens activate the immune system. Find the temperature of a gas of CO2\mathrm{CO}_2CO2 molecules whose rms\mathrm{rms}rms speed is 309m/s309 \mathrm{~m} / \mathrm{s}309m/s ? b. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty Which of the following is an example of a synergistic effect? d. viruses are prokaryotic and bacteria are eukaryotic . b. d. phagocytosis. 2. 13-45 Which of the following is not a characteristic of staphylococcal enterotoxins? For additional recruiting questions, please contact Isaac.Phelps@state.co.us. d. pinocytosis. 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. b. vascular bundles a. influenza virus d) induce the formation of prions in the nucleus of the cell. Debates in establishing environmental health policy include whether to ______. d. simple diffusion, You are a scientist observing a membrane through which water and some small hydrophobic molecules can freely pass along a concentration gradient from high to low. 4. Which of the following statements accurately describes a difference Ribosomes are very small non-membranous organelles that can either exist freely in the cytoplasm or be embedded in the endoplasmic reticulum of a cell; they are associated with the synthesis of become capable of human-to-human transmission Which of the following statements accurately describes the lysogenic cycle of lambda () phage? d. myeloperoxidase Answered: Which of the following statements | bartleby Which of the following organelles would you expect to be especially abundant in muscle cells? Julie S Snyder, Linda Lilley, Shelly Collins. e. human immunodeficiency virus. Where is the most likely place that enzymes needed for cellular respiration are anchored and functioning? O Enveloped viruses do not have protein spikes. CareCloud Reports Record Full Year 2022 Results D) Illness is a normal process that affects level of functioning. a. osmosis. Prokaryotes and eukaryotes are primarily distinguished by the absence or presence of internal membrane-enclosed organelles. DGT Token - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. When it acts on target cells, it enhances the engulfment and killing of bacteria. - The U.S. EPA estimates that 200 million Americans live in areas where cancer risk from environmental carcinogens is ten times higher than normal. What are the qualities of PFCs that make them so useful? 5. Which of the statements below accurately captures the relationship between toxicity and potency? You are a microbiologist working with a species of bacteria that can perform photosynthesis. (Use only one word per blank.). 13-10 Which of the following is not associated with the reactivation of herpesviruses? Many of these materials can be rendered relatively innocuous by dilution, neutralization, or other physical treatment. 0.04 ppm - Zooplankton Which of the following characterizes Chytridiomycosis? Which aspect of antibiotic resistance development in microbes is depicted in this image? a. a. epidermis - Combined effects of exposure to multiple toxins. b) retroviruses b. X-linked hyper IgM syndrome: GM-CSF injections Which of the following accurately describes HIV? 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? stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. a) Viruses are smaller in size than bacteria. b. So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. - Our focus on reducing pollution to protect human health has neglected risks to natural ecological systems that may be of greater ultimate importance. O The envelope is only found on RNA viruses. a. b. Proviruses consist of double-stranded DNA. Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. b. Intro to viruses (article) | Viruses | Khan Academy c) I c. They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore, they must move across by facilitated diffusion. 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. Pollution - Noise - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes d. integrase Toxins - Lead This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. Small fish eat zooplankton 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. Asbestos exposure and smoking each increase lung cancer rates 20-fold. e. None of the above is mismatched. B.) 180 seconds. Generally, the CIS environment in which personal computers are used is less structured than a centrally-controlled CIS environment. 13-23 Which of the following pairs is mismatched? a. pinocytosis. Which of the following processes can be effective in preventing the onset of viral infection in humans? Declines in child mortality are largely a result of ______. Explain. Capitalism is an economic system that operates under the. - Vegetables, whole grains, and other healthy foods can boost our ability to tolerate toxins. 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 ___________________, whereas the reason that gulls, who are tertiary consumers, have about 240 times the concentration of compounds as compared to the small insects sharing the same environment is due to _________________. question 2 5 out of 5 points which statement accurately describes capitalism? It is the major activating cytokine of macrophages. The mosquito becomes infected when it feeds on the blood of a person infected with the virus. b) Vertical transmission is the transfer of DNA from one type of plant virus to another, and horizontal transmission is the exchange of DNA between two plant viruses of the same type. d. a eukaryotic cell with a nucleus. System management program c. Utility program d. Encryption. Which of the following statement accurately characterize prediabetes? 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. 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. a. the phagosome; inhibition of fusion of the phagosome with the lysosome For groups of two or more, see our Patriot Lite Group Travel Medical Insurance SM plan. Job offers for selected candidates will be made the week of May 1, 2023. e. B cells; EBNA-1. Both bacteria and viruses use host cells to reproduce, but viruses . These special proteins tell the white blood cells those bacterial cells do not belong to that particular human and to phagocytize (eat) them. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. The standard GNSS-IR model typically considers soil to be a single layer of medium and measures the average SMC between 1 and 10 cm below the soil surface. 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? Bisphenol A (BPA) - Used to produce plastic-coated items such as linings of cans and bottles, tooth-protecting sealants, and water pipes. d. T-cell receptor V chain. Reference: ref 1 Which Statement Accurately Describes Capitalism? - WHICH FGE - an ecological disease Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? Affected individuals are less susceptible to infection. Solved Which of the following statements accurately | Chegg.com 13-9 Which of the following statements regarding herpes simplex virus is false? PFCs are persistent chemicals, so they are ______. Developing lung cancer after exposure to radiation - Chronic effect. Both membranes are selectively permeable and have pores. c. Bruton's tyrosine kinase c. 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. Electrotherapy Unit III PTA Ultrasound Quiz 1. 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. You and your parents may disagree about the risk associated with your exposure to tobacco or alcohol. d. The RBCs were hypertonic to the saline; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. The radish cells were hypertonic to the water in which they were soaking. a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. e. leukocyte adhesion deficiency. c. X-linked lymphoproliferative syndrome a) Double-stranded DNA viruses c. prokaryotic cells . e. nucleus; fusion with the nuclear membrane. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. b) casing e. CD18. c) membrane What general cell type are you most likely observing? This is an example of Prokaryotic cells must also carry out respiration but do not have mitochondria. a. channel proteins 13-11 Herpesviruses include all of the following except _____. Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? d. eukaryotic cells . b. receptor proteins a) They can be spread via the plasmodesmata. d. Anti-capsular antibodies are cleared from the host quickly after an active infection. Spatial variability of soil parameter distribution is crucial to calculating the pile foundation failure probability. Detoxification - Liver - Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years). Today health agencies calculate DALYs rather than mortality rates as a measure of disease burden because ______. This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. e. Listeria monocytogenes Which of the following statements most accurately describes a selectively permeable membrane? - The chemical agent is not biodegradable and thus is persistent in the environment. a. Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. What persistent pollutant formerly was used in paint and gasoline and is linked to numerous health concerns such as cancer, reproductive problems, mental issues, behavior problems, and deformities? d. phagocytosis. b. d. There will be no net movement of water because the solutions are isotonic. They affect wildlife populations, such as bats and frogs. c. They must make sure the results were not an accident and that they are repeatable. The Zika virus is most commonly transmitted by. Which of the following statements accurately describes the process of DNA replication? d. factor D answer choices Organism that lives on the cell and causes it harm Something that causes harm to the cell Cell that the virus invades and takes over Question 3 120 seconds Q. c. diffusion proteins Exposure to background radiation, like from radon gas - Chronic exposure Which of the following statements about global health trends are true? b. channel proteins 25 ppm - Ospreys. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. Rank the stages in biomagnification of DDT, putting the earliest stage on top. Developing radiation sickness after exposure to radiation - Acute effect Membranes budded off of the oil in this mixture. ______ are chemical agents that damage or alter DNA, which can result in birth defects during fetal development or tumor growth in later life. a. a virus-encoded Fc receptor The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. 5. 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. 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. b. produces the energy needed to run chemical reactions in the cell. Which cell that was viewed is most likely a prokaryote. a. water (H2O), carbon dioxide (CO2), oxygen (O2) Virus b. b. simple diffusion a. leukocyte adhesion deficiency Culture the substance by itself on nutritive medium, away from any plant cells. b. the cytoplasmic tail is truncated a. plasma membrane. 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 Traditional reliability design methods describe the dispersion degree of soil parameters with their point variance without considering the influence of correlation distance. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. 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 _______. POPs, or ______________ _____________ ______________, are dangerous because they don't degrade quickly and cells readily take them up. 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. 13-37 An epidemic affects _____, whereas a pandemic affects _____. - Exposure to carcinogens can result in invasive, out-of-control cell growth that can cause malignant tumors. - misunderstanding probabilities about harm from a hazard d. Women are more likely than men to inherit X-linked immunodeficiencies. a. facilitated diffusion. They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions. When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. The radish cells were hypotonic to the water in which they were soaking. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Solubility is important in determining how a substance travels and is absorbed. Trauma - Car accidents Viruses contain organelles while bacteria cells do not Tags: Question 2 SURVEY 30 seconds Q. b - Shows a linear relationship from zero exposure to the highest dose suggesting that exposure to such toxic agents, no matter how small, carries some risks One important way to control the spread of viruses is through a. the use of vaccines. The WBC's job is to take the bacteria inside of itself and destroy the bacteria. The selective absorption and storage of a great variety of molecules inside cells and tissues at levels that are higher than in the environment is called ______. - establish acceptable toxin levels at the highest amount that does not cause measurable effects or as low as technically feasible. a. water (H2O) Answered: Which of the following is NOT a core | bartleby 5. Significantly more people have HBV (hepatitis) than HIV, but they are less likely to be treated for it. a) co-infection with an unrelated virus that causes the same symptoms Pesticide residue on food - Ingestion (gastrointestinal tract) b. a prokaryotic cell with a nucleus. is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. d. they cause less severe immunodeficiency than do the homozygous recessive forms A nonliving complex of RNA or DNA protected by a protein coat Viruses are acellular, obligative parasites that contain a protein coat . . Persistence of chemicals can be a concern for health because such ______. d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation. They produce proteins used by other parts of the cell. The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. The epidermis layer functions like a covering of skin to protect the leaf while vascular bundles carry water and nutrients through the leaf. 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. c. They are acellular. a. osmosis b. T cells; CD4 The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. a. DNA-dependent DNA polymerase; HIV d. fall below 500 cells/l Which of the following statements are true about how people apply probability in determining how much risk to accept and when to avoid exposure to certain risks? d) flare-ups occur when dormant viral proteins attack new cells True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. a 4. - Policy decisions about toxins must address how such materials affect not just humans but also organisms that define and maintain our environment. b. 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. Which of the following are true about the effects of exposure to carcinogens? Comparative Study on Socio-Spatial Structures of the Typical Plain B. Which of the following statements accurately describes the measles virus? 4. State of Colorado Job Opportunities | State Job Opportunities Select one or more: O a. So, the water moved by osmosis across the plasma membranes into the radish cells increasing the turgor pressure inside of the cells and making them crunchier. b) Replication of their genomes does not involve proofreading. A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. a. bacteria, some fungi (yeast), and many protozoans. f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. Which of the following is not a concern of environmental toxicology? It is rising in both developing and developed countries. Choose ALL that apply. Which of the following statements correctly describes one characteristic of the lytic cycle of viral replication? Larger fish eat smaller fish Response curve representing a constant rate of response with increasing doors - Line b Question: Which of the following statements accurately describes a viral envelope? d. It is secreted by CD8 cytotoxic T cells, CD4 TH1 cells, and NK cells. Key points: A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses. 13-56 Bare lymphocyte syndrome leading to a lack of HLA class II molecule expression is due to a defect in _____. d) the proteins on the viral surface and that of the host cell membrane. What is this speed in meters per second? f. Mycobacterium tuberculosis. e. Mycobacterium tuberculosis. d. RAG1 or RAG2 a. Toxoplasma gondii a. the machine that assembles a product - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. The students placed an X for each structure that was viewed for each cell on the table shown. A long piece of ribbon wired along both long edges is twisted into a helix and wrapped around individual pipe cleaners that have been rolled into spools; this grouping is then twisted (super coiled) again to condense it. Factor related to the exposure - Dose and frequency of contact with the chemical Which of the following statements about global health trends are true? b. sorts proteins and lipids and sends them to their final destination. c. converts sunlight into chemical energy. 30 seconds. 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. b. a. What is the most plausible explanation for the appearance of the blood cells on your slide?
which of the following statements accurately describes viruses?
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