c. transporter associated with antigen processing (TAP) e. fall below 200 cells/l. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A." Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. This specifically makes alcohol a ______. The radish cells were hypertonic to the water in which they were soaking. e. X-linked Wiskott-Aldrich syndrome. Which of the following statements is true of chloroplasts? What factors make emergent diseases a special problem? question 2 5 out of 5 points which statement accurately describes capitalism? Antiviral drugs that have become useful are usually associated with which of the following properties? c. prokaryotic cells . Viruses are very diverse. 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? a. transport proteins a. rise markedly after T-cell activation - Combined effects of exposure to multiple toxins. B. Which of the following statements accurately describes the lysogenic cycle of lambda () phage? - 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. a. d. cytosol. 0.003 ppb - DDT in water Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. Virus b. True or false: Most people in industrialized nations have PFC residues (perflurooctanoic acid) in their blood. This is an example of Students use a microscope to look for structures present in four different cells. Your friend says you should refrigerate them in a bowl of water overnight. a. is the site where lipids destined for other cellular compartments are manufactured. A variety of respiratory diseases in humans can be caused by adenoviruses. Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? the host cell is turned into a virus. Question: Which of the following statements accurately describes a viral envelope? Which of the following statements accurately describes the natural history of a disease? a. channel proteins 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. This number doesn't include people killed by smoking tobacco. c. They must make sure the results were not an accident and that they are repeatable. 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 ? The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. a. 7. Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? Most amphibian species are susceptible to the fungus that causes Chytridiomycosis, which is spreading rapidly likely due to environmental changes. e. RNA-dependent RNA polymerase; HIV. Ospreys eat larger fish. 13-16 All of the following are associated with superantigens except _____. Which of these statements correctly describes trends in child mortality? 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. Which of the following statements accurately describes the concepts of disease and illness? Culture the substance by itself on nutritive medium, away from any plant cells. The possibility of suffering harm or loss resulting from a given action is referred to as ______. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. a. c. oxygen (O2) They may contain genomic DNA or RNA. This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. b. gp120 a. integrase b. e) Retroviruses. a. b. osmosis. Explanation :-:virus are acellular. The saline you used was isotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane into and out of the cells at an equal rate. c. eukaryotic and plant a. impermeable e. protease. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? c. X-linked hyper IgM syndrome: gamma globulin injections Spatial variability of soil parameter distribution is crucial to calculating the pile foundation failure probability. 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. 0.5 ppm - Small fish The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." B. True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. - Different sensitivities among those exposed to the toxins a. classical; alternative pathways of complement 13-3 A primary immune response against influenza virus produces antibodies that bind to _____. b) They can be spread via the plasmodesmata. f. SH2D1A. Exposure to radiation during an x-ray for a broken foot - Acute exposure Allergens are substances that affect us by ______. Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. 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. The bacterial phage lambda can infect some bacteria and Chemicals are generally divided into oil-soluble and water-soluble types. d. lysosomes, The leaves of a plant typically have different tissue layers that function in different ways. b. exocytosis. Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. 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. c. secondary immunodeficiency diseases Vesicular stomatitis virus G (VSV-G) . . Match the dietary consideration to its positive influence on a particular health condition. - Endocrine disrupters may cause feminization of males. become capable of human-to-human transmission Which of the following statements accurately describes the lysogenic cycle of lambda () phage? B cells; CR2 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. Stop drinking alcohol during pregnancy - Reduced risk of fetal alcohol syndrome. The mosquito becomes infected when it feeds on the blood of a person infected with the virus. What does the saying "the dose makes the poison" mean? X=111110201X. - People tolerate high risks in activities of their choosing, as they often have an exaggerated view of their abilities to control fate. d. carbohydrates. 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. Contrast the methods used by the Greek philosophers and Dalton to study the One important way to control the spread of viruses in through answer choices the use of vaccines drinking a lot of tea 13-24 All of the following are X-linked immunodeficiencies except _____. osprey accumulates compounds stored by all prey lower in the food chain. Detoxification - Liver The KaK_aKa of nitrous acid, HNO2HNO_2HNO2, is 6.761046.76 \times 10^{-4}6.76104. One important way to control the spread of viruses is through a. the use of vaccines. Antibiotics cannot kill a virus because viruses are not living cells with cell walls to puncture, nor do they have their own organelles to replicate DNA. Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? c. innate; acquired immune responses 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? - The chemical agent is water-soluble. a) the proteins on the viral surface and that of the host cell membrane .ESSENTIAL FUNCTIONS1. Herpes simplex virus infects B lymphocytes. Eradication of diseases such as polio or smallpox. This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. d. MHC class I c - Dose must be above a threshold level before anyone in the population shows a response which suggests the presence of some defense mechanism against the harmful effects of the toxin. a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. 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. I. Increased frequency:decreased depth of penetration C. Increased blood flow:greater temperature increase D. Increased water content:increased ultrasound absorption Question 12. A defense mechanism that repairs the damage caused by a toxin would create a _______________ response curve; a minimal dose is necessary to induce an observable effect. A nonliving complex of RNA or DNA protected by a protein coat Which of the following statements accurately describes plant virus infections? Bacteria are much larger than viruses, and t View the full answer Transcribed image text: 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? Yes; without organelles, prokaryotic cells cannot photosynthesize or respire. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. c. nuclear pore. Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? 25 ppm - Ospreys. 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 ______. We perceive risk differently, depending on control, interests, or context. A cheetah can run 121212 km/h over a 100100100 m distance. 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. 15. d. eukaryotic and animal. 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. Your muscle cells need large amounts of ATP to function in the movement of your body. A majority of the MRSA (methicillan-resistant Staphylococcus aureus) infections recorded in 2011 were related to ______. f. provoke vomiting and diarrhea when ingested. At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. The measles virus causes mouth and gum infections. D. A virus does not have a cell, produces carbon dioxide, and uses oxygen. 4. d. 13-56 Bare lymphocyte syndrome leading to a lack of HLA class II molecule expression is due to a defect in _____. d. extracellular spaces; coating itself with human proteins d. C5-C9; defend against Neisseria d. RNA-dependent DNA polymerase; influenza virus Which statement most accurately describes a virus? Which viruses have single-stranded RNA that acts as a template for DNA synthesis? Which of the following accurately describes HIV? c. smooth endoplasmic reticulum a. reverse transcriptase . The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. 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. a. epidermis d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. Membranes budded off of the oil in this mixture. a. transcriptional regulators of HLA class II loci e. gp41 and gp120. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. Microbes acquire resistance to antibiotics through different processes that include random mutations and ______________ reproduction. b. classical complement and blood-clotting pathways b. it founded the plymouth colony under a proprietary governor. 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. - The chemical industry disputes the need for testing, and industry-funded scientists point to contradictions and uncertainties in published studies. Write the equation describing the equilibrium established when HNO2HNO_2HNO2 reacts with NH3NH_3NH3. 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. e. Extracellular bacterial infections are common in deficiency syndromes with T-cell defects. b. Cancer - Reduced cancer risk Pesticide residue on food - Ingestion (gastrointestinal tract) 34 Questions Show answers. Biomagnification, in the case of a fish-eating osprey, refers to the fact that the ______. What phenomenon has occurred to the perfume molecules that have entered the air? c. a mitochondrion. d. the use of antibiotics. This problem has been solved! When you get home you remove the stems and clean them. PFCs are persistent chemicals, so they are ______. e. nucleus; fusion with the nuclear membrane. b. T-cell-dependent antibody responses; cell-mediated immune responses Solubility is important in determining how a substance travels and is absorbed. Some antibiotics used to treat bacterial infections kill the bacteria by chemically punching holes in the cell wall of the bacteria, by preventing the bacteria from replicating their DNA, or by many other actions that ultimately cause cell death. e) Viral genomes mutate rapidly. 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. The radish cells were hypotonic to the water in which they were soaking. b. diffusion. Antibiotics for humans are generally ______ in the United States. d) They have little effect on plant growth. - Infectious diseases such as diarrhea are on the decline globally. (Use one word for your answer.). 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. a. X-linked agammaglobulinemia stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. A. O The presence of an envelope influences viral entry and exit strategies. 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. purine nucleotide phosphorylase (PNP) b. C3 Ebola hemorrhage fever is caused by a ______, and was the source of an epidemic in western Africa in 2014. the virus is able to transform into a host cell. b. proteins. What general type of membrane are you observing? 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. c. active transport Match the term with its correct definition. b. Staphylococcus aureus d. RAG1 or RAG2 d. integrase a) enter a replicative cycle that does not kill the host cell. d. They cause excessive synthesis and release of cytokines. When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. Why do scientists classify viruses as non-living? Tests on living animals are more reliable than other tests. - Acute exposure involves a single contact with a toxic chemical. Select one or more: O a. Job offers for selected candidates will be made the week of May 1, 2023. c. matrix protein d. active transport. BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine.
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