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e. B cells; EBNA-1. One of the differences between bacteria and viruses is that : a. viruses are living and bacteria are non -living . B. 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. d. MHC class I; MHC class II molecules. Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. b. We perceive risk differently, depending on control, interests, or context. Which of the following statements about viruses is false? a. it created the massachusetts bay colony. 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. possibility of suffering harm or loss resulting from a given action, process of estimating the threat a particular hazard poses to human health. Match the persistent organic pollutant (POP) of current concern to its source. Solubility is important in determining how a substance travels and is absorbed. Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? Which of the following statements correctly describes one difference between green algae and land plants? a. smooth ER c. lysosome Other duties may be assigned as deemed necessary or appropriate by management. - Allergens activate the immune system. Developing radiation sickness after exposure to radiation - Acute effect Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) nonspecific activation 2-20% of body's CD8 T cells. a. susceptible individuals; immune individuals b. - Combined effects of exposure to multiple toxins. A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms.. Which of the following statement accurately characterize prediabetes? The heaviest burden of illness is borne by ______. All of the answers given. The plasma membrane of some white blood cells contain ________ that bind with proteins of cells such as bacteria that have invaded the human body. 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. factor D d. Every living organism is composed of one or more cells, and all living cells arise from preexisting cells. Which of the following statements about global health trends are true? c. viruses are biotic and bacteria are abiotic . 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. 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? Shafting, three-point leveling units, and other components are reasonably simplified during the modeling . a. I would expect to find the photosynthetic enzymes in the chloroplasts of the bacteria. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. ___________________, 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 _________________. 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. d) I, Which of the following characteristics is the largest contributor to determining a virus's host range? 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. 13-41 Trypanosomes escape from adaptive immunity by altering the type of _____ expressed on the parasite surface. Which of the following is/are part of accepted cell theory? Why are animals still used to test toxicity of substances? This study aims to present a robust numerical model by . Which of the following statements accurately describes plant virus infections? d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. This could be best used as a simple model for c. facilitated diffusion a. pinocytosis. 4. Antibiotics for humans are generally ______ in the United States. 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. 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 _____. 4. e. fall below 200 cells/l. Virus inject the nucleic acid into the host cell, and the nucleic acid integrates into the host cell DNA, and stay dormant for a long time. This manuscript presents a full duplex communication system for the Deaf and Mute (D-M) based on Machine Learning (ML). e. CD18. the virus is able to transform into a host cell. c. varicella-zoster c. It activates the JAK-STAT signal transduction pathway after binding to its cognate receptor. Which of the following statements correctly describes one difference between vertical and horizontal transmission of plant viruses? 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? Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? e. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. Potential routes of exposure to toxins in the environment. The possibility of suffering harm or loss resulting from a given action is referred to as ______. e. the initial phase of infection is followed by clinical latency. 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. - Our focus on reducing pollution to protect human health has neglected risks to natural ecological systems that may be of greater ultimate importance. 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. Can you add thermal energy to an object without increasing its temperature? d. The water will not move at all because the water concentrations are isotonic. The measles virus causes pancreas and liver infections. Which of the following are environmental disease (health) agents? b) Negative-sense single-stranded RNA viruses A majority of the MRSA (methicillan-resistant Staphylococcus aureus) infections recorded in 2011 were related to ______. d) induce the formation of prions in the nucleus of the cell. .ESSENTIAL FUNCTIONS1. a) interference with viral replication Choose ALL that apply. 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. A) A disease is traditionally diagnosed and treated by a nurse. c. the IFN- receptor Stop drinking alcohol during pregnancy - Reduced risk of fetal alcohol syndrome. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. Which of the following statements about viruses is false? The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. III. I. transcriptional regulators of HLA class II loci. c. Substances can only pass through the membrane with the help of either active or passive transport proteins. II. c. variable surface glycoprotein (VSG) 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. b. ribosomes d. it made plymouth a royal colony Which of the following is not a concern of environmental toxicology? Some allergens act directly as ______, and the immune system recognizes them as foreign, stimulating the production of specific antibodies. Chloropyrifos - Used as a pesticide Viruses are very diverse. 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. d. Candida albicans 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. matrix protein The smooth endoplasmic reticulum d) They have little effect on plant growth. c) Vertical transmission is the spread of viruses from the upper leaves to the lower leaves of the plant, and horizontal transmission is the spread of a virus among leaves at the same general level. a. a. reverse transcriptase c) Viruses are difficult to place precisely within the tree of life. - personal ignorance about the hazard Bacteria are much larger than viruses, and t View the full answer Transcribed image text: Which of the following are true about the effects of exposure to carcinogens? c. active transport a. a virus. When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. Which of the following statements correctly describes one characteristic of the lytic cycle of viral replication? People living in ______ areas, especially in ______, are particularly susceptible to death linked to air pollution. Previous infection with S. pneumoniae wears down the immune system over time. They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. developing countries where many people cannot afford adequate health care or to live in a healthy environment. a. leukocyte adhesion deficiency answer choices. a. Solutes are never able to cross the membrane. b. hemagglutinin They produce proteins used by other parts of the cell. d. Listeria monocytogenes 13-30 Wiskott-Aldrich syndrome involves an impairment of _____. b. vascular bundles Which of these statements correctly describes trends in child mortality? b) enter a replicative cycle that kills the host cell. d. There will be no net movement of water because the solutions are isotonic. d) viroid Determine the average shear stress on the wetted perimeter of this channel. b) They can be spread via the plasmodesmata. True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions. Pesticide residue on food - Ingestion (gastrointestinal tract) b. protease a. II. 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. 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. 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 With the first bite, you notice their texture is not as crisp and crunchy as you like. b. X-linked hyper IgM syndrome: GM-CSF injections The Black Death, the 1918 influenza, and the H1N1 flu virus were all ______, as they caused widespread and worldwide infections. a) III Which of the following is an example of a synergistic effect? b) IV d. They contain an entire copy of a cell's genetic material. Which one of the following accurately describes the cause:effect relationship of ultrasound? What characteristics define an emergent disease? Job offers for selected candidates will be made the week of May 1, 2023. e) Retroviruses. a. hemagglutinin and neuraminidase 5. d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. - LD50 is the dose of the toxin that is lethal to half the population. Match the dietary consideration to its positive influence on a particular health condition. Factor related to the exposure - Dose and frequency of contact with the chemical - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. c. spongy mesophyll The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. From what substance do liposomes spontaneously form and why are they important? d) Viruses do not represent a single taxonomic group. At times we lack the medicines with which to treat them, as some emergent diseases are caused by drug-resistant strains of a pathogen. b. immune individuals; susceptible individuals d. There will be no net movement of water because the solutions are isotonic. Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? - Allergens act as antigens and stimulate the production of specific antibodies. Solution The correct option is D photosynthesis uses solar energy to convert inorganics to energy-rich organics; respiration breaks down energy-rich organics to synthesize ATP Photosynthesis makes the glucose that is used in cellular respiration to make ATP. c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. d) Double-stranded RNA viruses - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes D. A virus does not have a cell, produces carbon dioxide, and uses oxygen. d. local populations; global populations. a. neuraminidase 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. a. gene conversion b. sorts proteins and lipids and sends them to their final destination. d. No; eukaryotic organelles are expelled each time the cell divides. Drowning Which of the following statements about chronic and acute exposure and effects are correct? Viral genomes consist of what type of nucleic acid molecules? You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. b. class II transactivator (CIITA) Viruses can reproduce on their own at any time. This is an example of c. receptor-mediated endocytosis. 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. e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. The ________________ principle is being used to regulate toxins by requiring manufacturers to prove that substances are safe rather than requiring regulators to show that they are dangerous. - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. In environmental toxicity studies, when an interaction between two substances results in one of them exacerbating the effects of another by 20-fold it is called a(n) ______ interaction. Persistent organic pollutants (POPs) are a concern because being ______. The WBC's job is to take the bacteria inside of itself and destroy the bacteria. Large molecules are always excluded from crossing the membrane. 5. Factor related to the organism - Immunological status at the time of exposure to the chemical. d. a ribosome. They are only capable of reproducing once inside a living host cell. 3. County employees are subject . d) flare-ups occur when dormant viral proteins attack new cells Culture the substance by itself on nutritive medium, away from any plant cells. Which of these sentences properly describes the difference between bioaccumulation and biomagnification? 13-4 The serotypes of Streptococcus pneumoniae differ in their _____. a. X-linked agammaglobulinemia The mosquito becomes infected when it feeds on the blood of a person infected with the virus. c. it gave the pilgrims their own charter. Question: You have to implement the following methods on the described scenario.