a. Streptococcus pneumoniae When you get home you remove the stems and clean them. One of the differences between bacteria and viruses is that : a. viruses are living and bacteria are non -living . Viruses are much smaller than bacteria cells. Match the mechanism of eliminating toxins to the body part that is responsible for the action. e. the initial phase of infection is followed by clinical latency. b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. b. produces the energy needed to run chemical reactions in the cell. a. - spreading worldwide. a. b) They can be controlled by the use of antibiotics. Outbreaks of health problems that have a psychological rather than a physical basis are referred to as ______. - DALYs are a more complete measure combining premature deaths and the loss of a healthy life resulting from mental illness or physical disability c. facilitated diffusion Well-posedness for a diusion-reaction compartmental model simulating c. phagocytosis. 1 litre or 1 centilitre. - Mutagens are agents such as chemicals or radiation that damage DNA. Correct Response 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) They can be controlled by the use of antibiotics. Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? b. a worker in a factory who places labels on products and then packs them into a shipping box Virus Infections and Hosts - Introductory Biology: Evolutionary and a 4. System management program c. Utility program d. Encryption. C.) A virus is nonliving because it lacks an organelle that allows movement. b) IV become capable of human-to-human transmission Which of the following statements accurately describes the lysogenic cycle of lambda () phage? a. a virus-encoded Fc receptor They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. Random genetic mutations create antibiotic-resistant individuals that survive and multiply to develop into an antibiotic-resistant colony. a. a) enter a replicative cycle that does not kill the host cell. - People tolerate high risks in activities of their choosing, as they often have an exaggerated view of their abilities to control fate. d. Typically just a piece of genetic material encased in proteins, viruses are small, non-cellular infectious agents that are only capable of reproducing when inside a living cell such as those of plants, animals, fungi, protozoans, or bacteria. a) bacteriophages c. Proviruses are flanked by repetitive sequences called long terminal repeats (LTRs). d. myeloperoxidase Substances that cause invasive, out-of-control cell growth resulting in tumors are called ______. Examine the figure below. - improved sanitation The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? d. lysosomes, The leaves of a plant typically have different tissue layers that function in different ways. - better nutrition d. superantigens Which of these is not a consideration of toxicology? Car accidents and firearm assaults - These have risks between 1 in 103 to 1 in 285 - dramatically reducing frog populations in many areas This virus attacks the white blood cells (immune cells) of the human body. One important way to control the spread of viruses is through a. the use of vaccines. Developing lung cancer after exposure to radiation - Chronic effect. a. X-linked agammaglobulinemia Intro to viruses (article) | Viruses | Khan Academy Your muscle cells need large amounts of ATP to function in the movement of your body. A variety of respiratory diseases in humans can be caused by adenoviruses. a. b. rough ER d. nucleus, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. Question 12. Viral Reproduction | Biology Quiz - Quizizz - 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 presence of an envelope influences viral entry and exit strategies. 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. c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. c. transporter associated with antigen processing (TAP) They capture energy from sunlight. What is a probability calculation and how is it used in risk assessment? d. active transport. a. osmosis a. osmosis. b. e. A cDNA intermediate is required in order to produce a provirus. B) The focus of nurses is the person with an illness. answer choices They DO respond to a stimulus They need a host's energy because they do not have their own energy - Immunological status affects susceptibility to toxins. What can be concluded about policy decisions addressing hazardous and toxic nutrients based on the U.S. Environmental Protection Agency's assessment of relative risks to human welfare? a. HIV variants convert from macrophage-tropic to lymphocyte-tropic late in infection b. the plasma membrane. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. kill the host cell immediately, while bacteria maintain life within the . Water-soluble types - These substances move widely in the environment and also have ready access to body cells as their solvent is ubiquitous b. polysaccharides, large protein molecules, low-density lipoprotein particles - caused by a fungus that thrives in cool, moist caves where bats hibernate a. water (H2O), carbon dioxide (CO2), oxygen (O2) Persistence of chemicals can be a concern for health because such ______. c) They are rarely spread by insects. Solved Which of the following statements accurately | Chegg.com developing countries where many people cannot afford adequate health care or to live in a healthy environment. Membranes budded off of the oil in this mixture. 4. They contain a protein coat called a capsid. b. osmosis. A majority of the MRSA (methicillan-resistant Staphylococcus aureus) infections recorded in 2011 were related to ______. b. d. immune evasion The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". a. Toxoplasma gondii Some allergens act directly as ______, and the immune system recognizes them as foreign, stimulating the production of specific antibodies. Which viruses have single-stranded RNA that acts as a template for DNA synthesis? If the concentration of sugar molecules in water on side "A" of a selectively permeable membrane is 5 percent, and the concentration of sugar molecules in water on side "B" of a selectively permeable membrane is 15 percent, which way will the water move and why? Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? What factors make emergent diseases a special problem? Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? a. classical; alternative pathways of complement III. a. c. They give an animal cell its shape. A. green algae are often unicellular, while land plants are not B. land plants have plastids and green algae do not C. algae have alternation of generations but land plants do not D. land plants have cell walls containing cellulose but green algae do not Response curve representing no response for low doses - Line c. The idea of hormesis, the nonlinear effect of a toxin in which a low dose is ______ and high dose is ______, was misapplied in a 2018 rule proposed by the EPA that suggested a little pollution was beneficial to health. 4. - 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. - establish acceptable toxin levels at the highest amount that does not cause measurable effects or as low as technically feasible. Match the following causes of death with the lifetime chance of dying that way in the United States. Which of the following statements explain why your evil roommate may have flare-ups for the rest of their life? b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. Viruses and Bacteria | Science Quiz - Quizizz Exposure to background radiation, like from radon gas - Chronic exposure . 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 Endocrine disruptors like BHA in facial moisturizers - Absorption (dermal) Which of the following statement accurately characterize prediabetes? 13-79 A patient is diagnosed with AIDS when CD4 T-cell counts _____. e. fall below 200 cells/l. 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? a. effective at minuscule concentrations b. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? Which of the following statements accurately describes the properties of gases? b. X-linked hyper IgM syndrome B. For groups of two or more, see our Patriot Lite Group Travel Medical Insurance SM plan. e. CD18. b. nonspecific activation of 2-20% of body's CD8 T cells Answered: Which of the following statements | bartleby b) Viruses can replicate independently of their cellular hosts. Julie S Snyder, Linda Lilley, Shelly Collins. 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. c. the garbage truck that hauls away the wastes produced as a product is made When a dose-response curve for a particular toxin shows a threshold for the response, it generally suggests ______. c. diffusion proteins 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. d. hereditary angioedema True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. All toxic substances are hazardous, but all hazardous substances are not toxic. b) A large number of phages are released at a time. e. protease. b. proteins. - Most people will tolerate a higher probability of occurrence of an event if the harm caused by that event is low. c. prokaryotic cells . we are exposed to many sources of harm, and it is difficult to separate the effects of different hazards in order to evaluate their risks accurately. a) capsid 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? the virus is able to transform into a host cell. 13-16 All of the following are associated with superantigens except _____. 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. Which of the following processes can be effective in preventing the onset of viral infection in humans? - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. Which of the following types of organisms are commonly single-celled (unicellular)? Detoxification - Liver Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? In the following section, we describe this approach in detail. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. "Approximately 88% of our 2022 revenue came from technology-enabled business solutions. b. the cytoplasmic tail is truncated The dose-response curve showing LD50, as provided here, describes which of the following ideas? Which of the following statements about global health trends are true? IV. a. CD4 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. a. Proviruses form immediately after the RNA genome assembles with viral proteins and infectious virions are produced. A. - 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. b) Formation of the provirus would be stopped. c. CD28 Which of the following statements accurately describes a viral envelope? Response - Vertical (y) axis The Sprague-Dawley rat is ______ to endocrine disrupters than ordinary rats, so studies using them are not reliable. 13-48 Individuals with an immunodeficiency affecting B-cell function are more susceptible to infections caused by which of the following pathogens? ______ is a condition that is associated with drinking during pregnancy that results in a cluster of symptoms including craniofacial abnormalities, developmental delays, behavioral problems, and mental defects, which last throughout a child's life. This is an example of Toxins - Lead c. Wiskott-Aldrich syndrome protein (WASP) a. channel proteins What is the most likely reason for the disagreement? bio virus and bacteria Flashcards | Quizlet answer choices they need genetic material They need a host cell They need bacteria They need insulin b. prokaryotic and animal Which cell that was viewed is most likely a prokaryote. e. Listeria monocytogenes. D. Viruses reproduce asexually while bacteria cells reproduce sexually. 25 ppm - Ospreys. 80% of antibiotics used in the United States are _______. The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. Correctly match the environmental disease agent to its example. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." B. Compare and contrast the nuclear envelope and the plasma membrane. b. Proviruses consist of double-stranded DNA. Which of the following would be likely to move through a plasma membrane by simple diffusion? c. They must make sure the results were not an accident and that they are repeatable. 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 virus does not have a cell wall, nucleus, and eats. Exhaling excess carbon dioxide - Lungs no longer just for the wealthy, as they are now becoming common in the developing world. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. b. ribosomes Which statement accurately describes capitalism? Chapter 7 Practice Questions - University of New England Which Statement Accurately Describes Capitalism? - WHICH FGE After soaking in the yellow iodine-water solution for one hour, the cell is once again weighed. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. 120 seconds. a. plasma membrane. b. T-cell-dependent antibody responses; cell-mediated immune responses b. c. T cells; CD8 c. Bruton's tyrosine kinase d. MHC class I 13-53 Chronic granulomatous disease (CGD), a condition resulting in chronic bacterial and fungal infections, is caused by one or more defects in _____, compromising the ability of macrophages to _____. 2 ppm - Large fish Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. The radish cells were hypertonic to the water in which they were soaking. - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. The hydrophobic tails lined up towards each other with their hydrophilic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a spherical liposome. About Us: If your goal is to build a career that makes a difference, consider joining the dedicated people of the Colorado Department of Human Services(CDHS). Which of the following statements best describes vaccines? b. herpes simplex virus Which of the following statements accurately describes the measles virus? Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) Chytridiomycosis (or chytrid fungus) is an ecological disease that affects amphibians and is ______. d. Pandemics; epidemics. 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. The 2015 outbreak of the Zika virus was especially concerning as infected pregnant mothers were having babies with ______. Declines in child mortality are largely a result of ______. d) viroid 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. c. variable surface glycoproteins Car accident 13-32 A deficiency in _____ causes a condition that closely resembles X-linked severe combined immunodeficiency and is characterized by inefficient cytokine signaling.
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