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Answered: Which of the following statements | bartleby 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. - People tolerate high risks in activities of their choosing, as they often have an exaggerated view of their abilities to control fate. 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. c. semipermeable Chapter 7 Practice Questions - University of New England Chapter 13 Immunology Flashcards | Quizlet It has not been previously known or has been absent for at least 20 years. 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 about the potency (strength) of toxic substances is true? In assessing the danger of toxic substances, which of these statements are true? 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. The measles virus causes nasal and lung infections. d. Chdiak-Higashi syndrome Cell W. c. Most deficiency syndromes are caused by dominant gene defects. II. 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 a. is the site where lipids destined for other cellular compartments are manufactured. Which of the following statements is true of chloroplasts? a. Choose the statement that correctly describes HIV and HBV. d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. a. nonspecific activation 2-20% of body's CD8 T cells. The boundary that surrounds the contents of the nucleus is the d) lytic phages Poisons that are produced naturally are called ____________ substances. The WBC's job is to take the bacteria inside of itself and destroy the bacteria. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. 101 Quiz - Quizizz - Most people will tolerate a higher probability of occurrence of an event if the harm caused by that event is low. c. The radish cells were hypertonic to the water in which they were soaking. d. Listeria monocytogenes 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. CD18; produce cell adhesion molecules e. A cDNA intermediate is required in order to produce a provirus. answer choices. c) the proteins in the host's cytoplasm c) Positive-sense single-stranded RNA viruses What is a probability calculation and how is it used in risk assessment? Which of the following applies to ecological diseases? is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. b) Negative-sense single-stranded RNA viruses 13-34 Which of the following explains why Streptococcus pneumoniae can infect an individual recurrently? - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. d. Candida albicans Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. 80% of antibiotics used in the United States are _______. 13-21 Individuals with an antibody deficiency are more susceptible to infections by all of the following except _____. b. herpes simplex virus the virus uses the host cell to replicate itself. B cells; CR2 Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? 13-66 Which statement regarding retrovirus proviruses is false? - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty e. Listeria monocytogenes a. plasma membrane. *two answers*, which of the following. Debates in establishing environmental health policy include whether to ______. - LD50 is the dose of the toxin that is lethal to half the population. a. impermeable Culture the substance by itself on nutritive medium, away from any plant cells. a. transport proteins d. factor D a. Choose the following statement that most accurately describes viruses. e. Listeria monocytogenes. 13-47 Which of the following statements regarding inherited immunodeficiency diseases is correct? a. they are recycled by endocytosis more quickly than the normal receptor d. X-linked SCID d) the proteins on the viral surface and that of the host cell membrane. What general cell type are you most likely observing? e. thymic development. If the bacteria cannot be moved across the WBC membrane, how will the WBC most likely take it in? e. C3; opsonize capsulated bacteria. a) They can be controlled by the use of antibiotics. - The damage to genetic material by mutagens can lead to birth defects if the exposure occurs during fetal development. Sensors | Free Full-Text | Multilayer Model in Soil Moisture Content Which viruses have single-stranded RNA that acts as a template for DNA synthesis? C.) A virus is nonliving because it lacks an organelle that allows movement. What is the current concern with using Sprague-Dawley rats in toxicology studies? d. active transport. This number doesn't include people killed by smoking tobacco. ", lethal dose of a chemical for half of the population. b. a worker in a factory who places labels on products and then packs them into a shipping box 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? a. channel proteins Q: Discuss the following statement: "Viruses exist in the twilight zone of life: outside cells they are. d. carrier proteins. b. the plasma membrane. b. MHC class II chain 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. 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. - political or economic interest related to the hazard. b) Replication of their genomes does not involve proofreading. d. hereditary angioedema . 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 ? d. inhibition of peptide transport by transporter associated with antigen processing (TAP) 4. b) Formation of the provirus would be stopped. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. Previous infection with S. pneumoniae wears down the immune system over time. d. No; eukaryotic organelles are expelled each time the cell divides. e. leukocyte adhesion deficiency. b. polysaccharides, large protein molecules, low-density lipoprotein particles From what substance do liposomes spontaneously form and why are they important? 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 _____. d. palisade mesophyll, Which of the following would be the best analogy for the function of the Golgi apparatus? - The chemical agent is not biodegradable and thus is persistent in the environment. f. provoke vomiting and diarrhea when ingested. 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. - Endocrine disrupters may cause feminization of males. - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. 34 Questions Show answers. e) Retroviruses. b. osmosis. What does the saying "the dose makes the poison" mean? b. gp120 Answered: Which of the following statements | bartleby This is an example of 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 _______. 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. Viruses are typically a piece of genetic material encased in a protein capsule. Probability is a calculation of the statistical danger of a risk, and this information can help us decide which risks to tolerate and which to avoid. The measles virus causes mouth and gum infections. c. All living cells have membrane-enclosed organelles. Toxic substance - These substances damage or kill living organisms because they react with cellular components to disrupt metabolic functions. This idea is summarized in the statement "the ___________________ makes the poison. They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer. HELP ASAP!!!! Which of the following statements accurately describes a. Neurotoxins are poisons that affect us by ______. a. it created the massachusetts bay colony. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. c. eukaryotic and plant a) bacteriophages When it acts on target cells, it enhances the engulfment and killing of bacteria. During the process of ________, water diffuses across a semipermeable membrane from an area where water is more concentrated to an area where water is less concentrated (it moves along the water concentration gradient). 13-20 Dominant mutant forms of IFNR1 exhibit all of the following in heterozygotes except _____. ______ 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. d. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids, a. water (H2O), carbon dioxide (CO2), oxygen (O2). - Policy decisions about toxins must address how such materials affect not just humans but also organisms that define and maintain our environment. A virus does not have a cell wall, nucleus, and eats. 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. Applied Sciences | Free Full-Text | A Machine Learning Based Full Why do scientists repeat their experiments over and over again? d. viruses are prokaryotic and bacteria are eukaryotic . b. T-cell-dependent antibody responses; cell-mediated immune responses c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. The radish cells were hypertonic to the water in which they were soaking. Question 4 120 seconds Q. b. 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? c. innate; acquired immune responses Today health agencies calculate DALYs rather than mortality rates as a measure of disease burden because ______. Question: You have to implement the following methods on the described scenario. Solved Which of the following statements accurately | Chegg.com Viral genomes consist of what type of nucleic acid molecules? Outbreaks of health problems that have a psychological rather than a physical basis are referred to as ______. 0.5 ppm - Small fish a. a virus-encoded Fc receptor The chemical reaction caused the organophosphates from the detergent to chemically combine with lipids from the oil to form phospholipids with hydrophilic heads and hydrophobic tails. 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. In the following section, we describe this approach in detail. Show transcribed image text They may contain genomic DNA or RNA. e) Viral genomes mutate rapidly. . Biology Semester 1 Review | Biology Quiz - Quizizz c) viroids 13-12 Shingles is associated with infection by _____. A virus is living because it has an envelope that acts like a cell membrane. This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. Of the many factors that determine whether a particular chemical will prove to be dangerous, which of the following are based on the nature of the chemical agent itself? a. the cell wall The pattern of mental and physical defects that can develop in a fetus in association with high levels of alcohol consumption during pregnancy is called _________________ ______________________ syndrome. c. They stimulate between 2% and 20% of the total T-cell population. 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. Gases expand very easily due to a property called compressibility. b. the sequence of the conserved X box of the HLA class II promoter 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. mutations are introduced into the virus. A virus is living because it has DNA that stores genetic information. Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? - Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years). However, that does not imply that low doses of any toxin is good for health. 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. For additional recruiting questions, please contact Isaac.Phelps@state.co.us. Which of the following statements accurately describes the process of DNA replication? b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids Indoor and outdoor ______________ pollution contributes to millions of deaths every year. 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 . Chediak-Higashi syndrome caused by the deficiency of CHS1. 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. 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? The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. Declines in child mortality are largely a result of ______. Select one or more: O a. The following data are taken from measurements on Indian Fork Creek: A=26m2A=26 \mathrm{m}^{2}A=26m2, P = 16 m, and S0=0.02m/62mS_{0}=0.02 \mathrm{m} / 62 \mathrm{m}S0=0.02m/62m.