The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. e. factor I b. d. Both membranes consist of two concentric phospholipid bilayers and neither is selectively permeable or has pores. Hepatitis C Virus Infection in US States and the District of Columbia 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? UPSC Prelims and Mains Exam - 2nd March 2023 - IASbaba c. phagocytosis. 6 Tco 1 Which Statement Best Describes A Capitalist. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. d. a ribosome. e. Extracellular bacterial infections are common in deficiency syndromes with T-cell defects. The KaK_aKa of nitrous acid, HNO2HNO_2HNO2, is 6.761046.76 \times 10^{-4}6.76104. Virus b. e. C3; opsonize capsulated bacteria. Dog attacks. b. Proviruses consist of double-stranded DNA. a. adenosine deaminase (ADA) a. they are recycled by endocytosis more quickly than the normal receptor Asbestos exposure and smoking each increase lung cancer rates 20-fold. It is the major activating cytokine of macrophages. Viruses are much smaller than bacteria cells. e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. c. cellular transcription favors the production of HIV-encoded RNA 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. Which of the following is a reasonable and possible explanation of the experimental results? Biomagnification occurs because of bioaccumulation. Lead was banned from gasoline and paint in the 1970s and health problems associated with its exposure have dropped significantly since then. Phospholipids are large organic molecules with a ________, polar phosphate head connected to ________, nonpolar fatty acid tails. 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. Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? 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. d. Candida albicans If you already knew that the infectious agent was a prion, select all the treatments that would allow you to distinguish this? 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. d) Viruses do not represent a single taxonomic group. 1. e. antigenic drift. 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. - Combined effects of exposure to multiple toxins. a. reverse transcriptase possibility of suffering harm or loss resulting from a given action, process of estimating the threat a particular hazard poses to human health. e. CD18. The measles virus causes mouth and gum infections. Victim Assistance Program Manager The global navigation satellite system-interferometric reflectometry (GNSS-IR) was developed more than a decade ago to monitor soil moisture content (SMC); a system that is essentially finished has emerged. 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. Show transcribed image text - caused by a fungus that thrives in cool, moist caves where bats hibernate c. transporter associated with antigen processing (TAP) a. To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory 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. d. hereditary angioedema: C1INH infusions They are much less sensitive to ______ than regular rats, so studies using them are highly suspect. c. They stimulate between 2% and 20% of the total T-cell population. Viruses and Bacteria | Science Quiz - Quizizz c. receptor-mediated endocytosis. e. activate : T cells Match each type of substance to its characteristic. Vesicular stomatitis virus G (VSV-G) . A: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. a. Quiz 17: Viruses | Quiz+ c. the IFN- receptor Potential routes of exposure to toxins in the environment. c. herpes zoster d. They are obligate intracellular parasites. b. T cells; CD4 b. the chromosome Which of the following statements accurately describes the - Weegy Examine the figure below. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. e. A cDNA intermediate is required in order to produce a provirus. Many important cellular functions in eukaryotic cells occur within membrane-enclosed organelles, such as cellular respiration occurring within the mitochondria. costs may increase significantly to protect the very small number of highly sensitive individuals at the extreme end of the curve. Toxic substance - These substances damage or kill living organisms because they react with cellular components to disrupt metabolic functions. O Enveloped viruses do not have protein spikes. 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. Previous infection with S. pneumoniae wears down the immune system over time. They affect wildlife populations, such as bats and frogs. Detoxification - Liver Which aspect of antibiotic resistance development in microbes is depicted in this image? .ESSENTIAL FUNCTIONS1. You are a microbiologist working with a species of bacteria that can perform photosynthesis. Generally, the CIS environment in which personal computers are used is less structured than a centrally-controlled CIS environment. A) A disease is traditionally diagnosed and treated by a nurse. Q. a. 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. What do you expect to happen to the weight of the cell over time and what can you deduce from the color change? 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. c) viroids Match the mechanism of eliminating toxins to the body part that is responsible for the action. When it acts on target cells, it enhances the engulfment and killing of bacteria. a) They can be spread via the plasmodesmata. The dose-response curve shown here describes which of these ideas? At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. the virus uses the host cell to replicate itself. Please describe the competing . The Golgi apparatus b. pinocytosis 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? c. CD28 Select one: a. 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 Tests on living animals are more reliable than other tests. 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 . Viruses are acellular, obligative parasites that contain a protein coat . 13-2 _____ results when a gene affecting the immune system mutates, thereby compromising the body's defense against infection. *two answers*, which of the following. a) They can be spread via the plasmodesmata. 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 _____. e) proviruses. . 15. a. a virus-encoded Fc receptor c. it gave the pilgrims their own charter. - Infectious diseases such as diarrhea are on the decline globally. So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. 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. The dose-response curve showing LD50, as provided here, describes which of the following ideas? What is the most likely reason for the disagreement? 13-32 A deficiency in _____ causes a condition that closely resembles X-linked severe combined immunodeficiency and is characterized by inefficient cytokine signaling. Radiation - UV rays. Setting environmental health policy is challenging because ______. What is the function of reverse transcriptase in retroviruses? b) enter a replicative cycle that kills 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. b. protease 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? Our goal is to let community members put their participance into new projects with confidence. e. gp41 and gp120. b. the sequence of the conserved X box of the HLA class II promoter 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. a. adenosine deaminase (ADA) Which of the following statements correctly describes how factors related to the individual influence how she or he responds to toxins in the environment? - for activities we enjoy or find profitable 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. 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 Most amphibian species are susceptible to the fungus that causes Chytridiomycosis, which is spreading rapidly likely due to environmental changes. The Sprague-Dawley rat is ______ to endocrine disrupters than ordinary rats, so studies using them are not reliable. b. bacteria are living and viruses are non -living . Match the dietary consideration to its positive influence on a particular health condition. Question 12. What is the most likely explanation of why they became crunchy again after soaking in water? c. a specialized membrane-bound vesicle; infection of the cell d. There will be no net movement of water because the solutions are isotonic. Solved Which of the following statements accurately | Chegg.com d) lytic phages c. variable surface glycoprotein (VSG) a) interference with viral replication DDT is a well-known case of biomagnification in the environment. e. nucleus; fusion with the nuclear membrane. Herpes simplex virus infects B lymphocytes. 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. CD18; produce cell adhesion molecules b) They can be spread via the plasmodesmata. Which of the following applies to ecological diseases? Affected individuals are less susceptible to infection. Culture the substance by itself on nutritive medium, away from any plant cells. What does the saying "the dose makes the poison" mean? Which of the following describes a virus? is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. c) Reverse transcription would no longer be possible. Well-posedness for a diusion-reaction compartmental model simulating This series recruitment will close on March 28, 2023, at 11:59 pmTHIS POSITION IS ELIGIBLE FOR APPOINTMENT AT STEP 1, $66,164.80. answer choices Viruses can eat and metabolize food. a) the proteins on the viral surface and that of the host cell membrane Which of the following statements accurately describes plant virus infections? e. capsular polysaccharide. bio virus and bacteria Flashcards | Quizlet They a View the full answer Transcribed image text: Which of the following statements accurately describes the difference between bacteria and viruses? a. transcriptional regulators of HLA class II loci c. the ER lumen. d. inhibition of peptide transport by transporter associated with antigen processing (TAP) 4. Which of the following statements accurately describes a difference This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. b. Viruses can reproduce on their own at any time. 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. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? Which of the following statements about the potency (strength) of toxic substances is true? d. creates energy by converting ribosomes to proteins. IV. Because organs such as your skin and liver make frequent repairs, they are also more likely to ______. a. Question 33. Why do scientists repeat their experiments over and over again? - Differences between acute and chronic exposures a. A piece of dialysis tubing has been filled with a cloudy white solution of 5 percent starch, 5 percent egg albumin (protein), and 5 percent glucose (a small sugar) dissolved in water to simulate a cell. Which one of the following statements best describes the role of B cells and T cells in the human body? - Allergens act as antigens and stimulate the production of specific antibodies. Which of these best describes a virus? The measles virus causes nasal and lung infections. 13-21 Individuals with an antibody deficiency are more susceptible to infections by all of the following except _____. 2 ppm - Large fish - 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. Sustainability | Free Full-Text | Assessment of Object-Level Flood An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. - LD50 is the dose of the toxin that is lethal to half the population. 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. f. provoke vomiting and diarrhea when ingested. 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. Use unequal arrows to indicate whether reactants or products are favored.