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- Endocrine disrupters may cause reproductive dysfunction in females. Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. b. b. a worker in a factory who places labels on products and then packs them into a shipping box Vesicular stomatitis virus G (VSV-G) . a. adenosine deaminase (ADA) d. The RBCs were hypertonic to the saline; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. There is nothing that the color change can tell us. c. cellular transcription favors the production of HIV-encoded RNA d. cytosol. Large molecules are always excluded from crossing the membrane. Many important cellular functions in eukaryotic cells occur within membrane-enclosed organelles, such as cellular respiration occurring within the mitochondria. The palisade mesophyll layer is responsible for most of the photosynthesis that occurs while the spongy mesophyll layer underneath it aids in the exchange of gases (CO2 and O2) and water vapor. One important way to control the spread of viruses in through answer choices the use of vaccines drinking a lot of tea You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. Significantly more people have HBV (hepatitis) than HIV, but they are less likely to be treated for it. We assert that combining expertise . c. innate; acquired immune responses The dose-response curve shown here describes which of these ideas? Which of the following characterizes Chytridiomycosis? 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? Because organs such as your skin and liver make frequent repairs, they are also more likely to ______. d. extracellular spaces; coating itself with human proteins 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. Which of the following processes can be effective in preventing the onset of viral infection in humans? Patriot Lite Travel Medical Insurance SM - Addresses the insurance needs of U.S. and non-U.S. citizens who need temporary medical insurance while traveling for business or pleasure anywhere outside of their home country. Additionally, small Na ions and some proteins can pass through the membrane against the concentration gradient, but both require the assistance of active transport proteins. - Differences between acute and chronic exposures b. 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 . What is the most likely reason for the disagreement? The dose-response curve showing LD50, as provided here, describes which of the following ideas? c. matrix protein 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. a. reverse transcriptase 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. - in the blood of nearly everyone in the United States. c. It activates the JAK-STAT signal transduction pathway after binding to its cognate receptor. It may last a few seconds or a few hours. b. Staphylococcus aureus Which of the following characteristics is the largest contributor to determining a virus's host range? In 1973, the FDA required that cancer-causing compounds must not be present in meat at concentrations that would cause a cancer risk greater than 1 in a million lifetimes. O The presence of an envelope influences viral entry and exit strategies. atom. Editor's Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. 5. 13-37 An epidemic affects _____, whereas a pandemic affects _____. d. Epstein-Barr virus d. C5-C9; defend against Neisseria 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. c. receptor-mediated endocytosis. b. Which of the following statements accurately describes the difference between the way bacteria cause diseases and the way that viruses cause diseases? The glucose is then turned back into carbon dioxide, which is used in photosynthesis. - caused by a fungus that thrives in cool, moist caves where bats hibernate Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. We perceive risk differently, depending on control, interests, or context. 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. Job offers for selected candidates will be made the week of May 1, 2023. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. A.) A Pre-Audited Token Launchpad on the Binance Smart Chain (BSC). B. HIV is able to hide from the immune system. a. e. A cDNA intermediate is required in order to produce a provirus. a. epidermis Solubility is important in determining how a substance travels and is absorbed. POPs, or ______________ _____________ ______________, are dangerous because they don't degrade quickly and cells readily take them up. d. RNA-dependent DNA polymerase; influenza virus C) A person with an illness cannot be considered healthy. d. RAG1 or RAG2 a. is the site where lipids destined for other cellular compartments are manufactured. Students use a microscope to look for structures present in four different cells. The envelope helps protect viruses exposed to heat and/or detergents. When you get home you remove the stems and clean them. c) Positive-sense single-stranded RNA viruses c. prokaryotic cells . Editors select a small number of articles recently published in the journal that they believe will be particularly interesting to readers, or important in the respective research area. Viral genomes consist of what type of nucleic acid molecules? b. gp120 a. Persistence of chemicals can be a concern for health because such ______. Viruses have a higher metabolism than bacteria cells. Can you add thermal energy to an object without increasing its temperature? b. nuclear envelope. What phenomenon has occurred to the perfume molecules that have entered the air? a) III Most substances are toxic at some level of exposure depending on the substance and the nature of the exposure. 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. DNA-dependent DNA polymerase; influenza virus A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. b. class II transactivator (CIITA) The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. - spreading worldwide. C. Applying an external force to an enclosed volume of air will allow the air to expand and the volume to decrease. How would the affect the HIV infection cycle? Proviruses form immediately after the RNA genome assembles with viral proteins and infectious irons are produced, 13-68 The pol gene of HIV produces all of the following except _____. - 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. With the first bite, you notice their texture is not as crisp and crunchy as you like. Which of these sentences properly describes the difference between bioaccumulation and biomagnification? 80% of antibiotics used in the United States are _______. b. T cells; CD4 Your lab partner has also made a slide, but the RBCs on their slide do look like the ones in the lab manual; your lab partner used a more dilute solution of saline but the same vial of blood. 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 . In which leaf tissues would you expect to find the highest density of chloroplasts? e. fall below 200 cells/l. A. The cell should lose weight over time because it is hypertonic to the beaker environment and water will leave the cell through osmosis. - dramatically reducing frog populations in many areas Why would hydrophilic substances such as sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids be unable to simply diffuse across a plasma membrane? b. nonspecific activation of 2-20% of body's CD8 T cells These changes, called cytopathic effects, can change cell functions or even destroy the cell. Which of the following statements accurately describes the concepts of disease and illness? A cheetah can run 121212 km/h over a 100100100 m distance. 30 seconds. - for activities we enjoy or find profitable - improved sanitation *two answers*, which of the following. 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. a) enter a replicative cycle that does not kill the host cell. host cell indefinitely. C. A virus does not eat, use energy, or have cells. Developing radiation sickness after exposure to radiation - Acute effect c) use reverse transcriptase to incorporate the virus genome into the host cell DNA. b. ribosomes Cells naturally, without using energy, respond to changes in water concentration through the process of Proton therapy accurately targets very specific locations, which may result in less damage to surrounding . b. Antigenic shift; antigenic drift b. the cytoplasmic tail is truncated a. pinocytosis. Which statement most accurately describes a virus? 13-50 Which of the following deficiency syndromes affects T-cell but not B-cell function? a. Which of the following statements accurately describes the properties of gases? a. the virus inhibits MHC class I expression disability-adjusted life years, which evaluates the total cost of disease, not just how many people die, any abnormal change in body conditions that impairs normal functions. d. There will be no net movement of water because the solutions are isotonic. b. channel proteins 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. d. pinocytosis. How can a single sheet of Polaroid film be used to show that the sky is partially polarized? - Infectious diseases such as diarrhea are on the decline globally. b. rough ER d. nucleus, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. c. the use of other types of bacteria. **see figure. Multiple Choice Q09 Which of the following statements correctly describes the most probable fate of a newly emerging virus that causes high mortality in its host? C.) A virus is nonliving because it lacks an organelle that allows movement. Drowning 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. 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. c. Haemophilus influenzae c. diffusion proteins Regulators struggle with how to set acceptable pollution levels based on the dose-response curve because ______. Which viruses have single-stranded RNA that acts as a template for DNA synthesis? 34 Questions Show answers. A. 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 ? c) Cutting and assembling the capsid would be halted. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. Viruses contain DNA, so they are alive. a) capsid All of the answers given. Why do these antibiotics not work to kill viruses and cure people of viral infections? b. B) The focus of nurses is the person with an illness. A. b. virus cells . Pollution - Noise Which of the following statements about viruses is false? Which of the following statements accurately describes how viruses reproduce? Find the general solution of the given system. C. Viruses contain organelles while bacteria cells do not. Which one of the following accurately describes the cause:effect relationship of ultrasound? e. antigenic drift. b) They can be spread via the plasmodesmata. d. viruses are prokaryotic and bacteria are eukaryotic . So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? A solid waste (garbage) transfer facility that sorts and breaks down garbage into recyclables and waste to be thrown away in the landfill would be a suitable analogy for which cellular organelle? Multiple Choice Viruses are typically a piece of genetic material encased in a protein capsule. B cells; CR2 Its function most resembles - Diet-related obesity can lead to illnesses such as diabetes and cardiovascular disease. 2 ppm - Large fish e. X-linked Wiskott-Aldrich syndrome. b. sorts proteins and lipids and sends them to their final destination. d. Women are more likely than men to inherit X-linked immunodeficiencies. This is an example of 13-25 Deficiencies in complement components C5-C9 and properdin (factor P) are associated with _____. Colony collapse disorder is a persistent epidemic that affects ___________________. You are a microbiologist working with a species of bacteria that can perform photosynthesis. Which of the following statements correctly identify reasons why the debate currently surrounds regulating endocrine disrupters? 13-44 Listeria monocytogenes replicates in _____ of macrophages after _____. c. They must make sure the results were not an accident and that they are repeatable. Collection, integration, and effective use of clinical data for this purpose presents a variety of specific challenges. e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. b. Julie S Snyder, Linda Lilley, Shelly Collins. b. purine nucleotide phosphorylase (PNP) e. leukocyte adhesion deficiency. b. X-linked hyper IgM syndrome b. proper hand washing. d) induce the formation of prions in the nucleus of the cell. The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. Why? Which of the following statements accurately reflect how allergens affect us? Car accident These special proteins tell the white blood cells those bacterial cells do not belong to that particular human and to phagocytize (eat) them. e. inhibition of ICAM-1 expression. Tests on living animals are more reliable than other tests. Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? Show transcribed image text The measles virus causes nasal and lung infections. Eradication of diseases such as polio or smallpox. Toxins - Lead a worldwide (or very widespread) epidemic. a. susceptible individuals; immune individuals 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 they need genetic material They need a host cell They need bacteria They need insulin a. CD18; produce cell adhesion molecules Pesticide residue on food - Ingestion (gastrointestinal tract) d. fall below 500 cells/l e. protease. Match the examples to chronic or acute effects and exposures. BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. 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. - Reduced cancer risk Persistent organic pollutants (POPs) are a concern because being ______. Question 1. - The chemical industry disputes the need for testing, and industry-funded scientists point to contradictions and uncertainties in published studies. - Different sensitivities among those exposed to the toxins - People tolerate familiar risks, despite the high probability of harm, because they often downplay the risk associated with familiar activities. c. a TAP peptide transporter 13-80 Reverse transcriptase is a _____ encoded by _____. Viruses are typically a piece of genetic material encased in a protein capsule. e. factor I a. osmosis. 25 ppm - Ospreys. If you already knew that the infectious agent was either bacterial or viral, select all the treatments that would allow you to distinguish between these two possibilities. Culture the substance by itself on nutritive medium, away from any plant cells. d. immune evasion Which of the following accurately describe mutagens and their effects? 1. True or false: The World Health Organization (WHO) estimates that though 90 percent of all disease burden occurs in developing nations only about 10 percent of health care dollars are spent there. The radish cells were hypertonic to the water in which they were soaking. This specifically makes alcohol a ______. e) Viral genomes mutate rapidly. Over time, the students sitting in the far corner of the room would smell the perfume. d. palisade mesophyll, Which of the following would be the best analogy for the function of the Golgi apparatus? If the bacteria cannot be moved across the WBC membrane, how will the WBC most likely take it in? e. Staphylococcus aureus. - misunderstanding probabilities about harm from a hazard d. massive production of IL-2, IFN-, and TNF- d. carrier proteins. Increased frequency:increased depth of penetration B. c. transporter associated with antigen processing (TAP) d. Chdiak-Higashi syndrome 20. d. There will be no net movement of water because the solutions are isotonic. - Allergens act as antigens and stimulate the production of specific antibodies. anti-HIV antibodies are detectable in their blood serum. b. X-linked hyper IgM syndrome: GM-CSF injections a. CD40 ligand IV. You observe layers of cells that have a definite, rigid, rectangular shape; there appears to be a nucleus in all of the cells and there are many oval-shaped green structures that seem to be moving around inside of the cells in an orderly fashion. Every living organism is composed of one or more cells, and all living cells have membrane-enclosed organelles. Which of the following would be likely to move through a plasma membrane by simple diffusion? c. passive carrier proteins - when risks are known and we feel in control of the outcome. O Enveloped viruses do not have protein spikes. What is the function of reverse transcriptase in retroviruses? - personal ignorance about the hazard Select one: a. You know that the enzymes needed to perform photosynthesis in plant cells are closely associated with the membranes in chloroplasts. When a dose-response curve for a particular toxin shows a threshold for the response, it generally suggests ______. 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 . f. SCID caused by deficiency of common chain. b. exocytosis. The estrogen-like compound that acts as a substitute hormone and disrupts gene expression, as shown in the image, is a(n) ______. d. superantigen - Endocrine disrupters may interfere with growth and development. c. X-linked lymphoproliferative syndrome e. All of the choices are correct. They are recycled by endocytosis more quickly than the normal receptor. 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. Contrary to the risk probabilities, we are often willing to accept far greater risk than the general threshold ______. e) re-infection by the same herpesvirus strain, b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei. Which of the following statements accurately describe the hemoglobin molecule? Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the. Glyphosate - Used as an herbicide, Roundup Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. 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. c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. What do you expect to happen to the weight of the cell over time and what can you deduce from the color change? b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. c. T cells; CD8 Which of the following statements are reasonable conclusions that can be drawn from a recent headline that announced the discovery of 23 pesticides in 16 food samples? c. lymphoproliferative syndrome caused by deficiency of SH2D1A 4. a. Cell W. The mosquito becomes infected when it feeds on the blood of a person infected with the virus. The 2015 outbreak of the Zika virus was especially concerning as infected pregnant mothers were having babies with ______. They a View the full answer Transcribed image text: Which of the following statements accurately describes the difference between bacteria and viruses? d. a eukaryotic cell with a nucleus. b. produces the energy needed to run chemical reactions in the cell. d. the use of antibiotics. Both membranes are selectively permeable and have pores. Because sensory neurons express low levels of MHC class I molecules, they provide appropriate sites for viral dormancy. a. a virus. e. Extracellular bacterial infections are common in deficiency syndromes with T-cell defects. 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. O The envelope is only found on RNA viruses. a. e. Listeria monocytogenes. O The envelope helps protect viruses exposed to heat and/or detergents. a) They can be controlled by the use of antibiotics. What is the determined cause of colony collapse disorder? 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. Shafting, three-point leveling units, and other components are reasonably simplified during the modeling . c. hereditary angioedema - They are both caused by viruses. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. 13-34 Which of the following explains why Streptococcus pneumoniae can infect an individual recurrently? (Use only one word per blank.). - The damage to genetic material by mutagens can lead to birth defects if the exposure occurs during fetal development. It has not been previously known or has been absent for at least 20 years. a. water (H2O), carbon dioxide (CO2), oxygen (O2) c. Most deficiency syndromes are caused by dominant gene defects. Choose ALL that apply. 13-38 The mode of evolution responsible for the production of recombinant influenza viruses composed of a genome derived from two different influenza variants is called _____. Which of the following organelles would you expect to be especially abundant in muscle cells? Response curve representing a constant rate of response with increasing doors - Line b Affected individuals are less susceptible to infection. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A." d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. c. they are able to form stable dimers with the normal form 13-15 Superantigens bind to all of the following molecules except _____. Which of the following statements accurately describes the natural history of a disease? What is the most likely explanation of why they became crunchy again after soaking in water? Which of these is not a consideration of toxicology? a. Epstein-Barr virus Certain pharmaceuticals, vaccines, and drugs - Injection (Intramuscular), As shown in the figure, every organism in the Lake Michigan food chain has some DDT in their body tissues at concentrations higher than in the environment due to Culture the substance by itself on nutritive medium, away from any plant cells. 1 litre or 1 centilitre. This could be best used as a simple model for A virus does not have a cell wall, nucleus, and eats. Question 33. e. None of the above is mismatched. b. hydrophilic; hydrophobic; They line up hydrophobic tails facing each other at the center line of the membrane with the hydrophilic heads facing outward, away from the center line of the membrane. B. b. (Use one word for your answer.). c. the expression of MHC class I and class II molecules The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells.