Your muscle cells need large amounts of ATP to function in the movement of your body. - Mutagens are agents such as chemicals or radiation that damage DNA. c. a prokaryotic cell without a nucleus. d. Chdiak-Higashi syndrome Pesticide residue on food - Ingestion (gastrointestinal tract) This is an example of Endocrine disruptors like BHA in facial moisturizers - Absorption (dermal) d. factor D Students use a microscope to look for structures present in four different cells. Toxins - Lead Job Postings | County of San Diego PDF Name: Date: Block: Bacteria & Virus Unit Review - lcps.org d. Anti-capsular antibodies are cleared from the host quickly after an active infection. This virus attacks the white blood cells (immune cells) of the human body. the selective absorption and storage of a great variety of molecules inside cells at levels that are higher than the environment. a. they are recycled by endocytosis more quickly than the normal receptor Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? Which viruses have single-stranded RNA that acts as a template for DNA synthesis? c. The radish cells were hypertonic to the water in which they were soaking. 101 Quiz - Quizizz Detoxification - Liver Hydraulic structures, e.g., sluicegates and pumping stations, can directly influence flooding processes and should be represented in flood modeling and risk assessment. developing countries where many people cannot afford adequate health care or to live in a healthy environment. c. gp41 Why do scientists classify viruses as non-living? Viruses are much smaller than bacteria cells. Eradication of diseases such as polio or smallpox. question 2 5 out of 5 points which statement accurately describes capitalism? a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. b. Toll-like receptors (TLRs) Developing radiation sickness after exposure to radiation - Acute effect A variety of respiratory diseases in humans can be caused by adenoviruses. The plasma membrane of some white blood cells contain ________ that bind with proteins of cells such as bacteria that have invaded the human body. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? d. immune evasion d. myeloperoxidase b) They can be spread via the plasmodesmata. 13-42 Epstein-Barr virus infects and establishes latency in _____, gaining entry by binding to _____. b. Which of the following statements accurately describes the path of oxygenated blood? c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. c. variable surface glycoprotein (VSG) 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. Nearly all substances are toxic depending on the amount, delivery rate, and method. Chapter 7&8 Test.docx - Choose the following statement that a. 13-16 All of the following are associated with superantigens except _____. 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 . a. We assert that combining expertise . d. They do not readily mix with the hydrophobic tails forming the core of the phospholipid bilayer; therefore, the only way they can move into the cell is by endocytosis. The radish cells were hypertonic to the water in which they were soaking. The Zika virus is most commonly transmitted by. Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? b) casing b) Negative-sense single-stranded RNA viruses Which one of the following accurately describes the cause:effect relationship of ultrasound? c. variable surface glycoproteins 13-43 Which of the following is not used by the herpes simplex virus to subvert host immune responses? b. diffusion. What is the current concern with using Sprague-Dawley rats in toxicology studies? b. X-linked hyper IgM syndrome: GM-CSF injections Lead was banned from gasoline and paint in the 1970s and health problems associated with its exposure have dropped significantly since then. d) Viruses do not represent a single taxonomic group. Can you add thermal energy to an object without increasing its temperature? 13-45 Which of the following is not a characteristic of staphylococcal enterotoxins? Because sensory neurons express low levels of MHC class I molecules, they provide appropriate sites for viral dormancy. Hazardous substances - These substances are dangerous because they are flammable, explosive, acidic, caustic, irritants, or sensitizers. a. 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. b. The leading reasons for nonrational risk perception include ______. Which of the following statements about global health trends are true? C) A person with an illness cannot be considered healthy. The 2015 outbreak of the Zika virus was especially concerning as infected pregnant mothers were having babies with ______. Julie S Snyder, Linda Lilley, Shelly Collins. Oil-soluble types - These substances need a carrier molecule to move through the environment, but once they are inside cells they likely accumulate and persist. e. All of the choices are correct. ", lethal dose of a chemical for half of the population. a. channel proteins 180 seconds. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. a. Viral Reproduction | Biology Quiz - Quizizz - when risks are known and we feel in control of the outcome. Which of the following is not a concern of environmental toxicology? d. local populations; global populations. - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. b. purine nucleotide phosphorylase (PNP) c. nuclear pore. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? c. converts sunlight into chemical energy. They are only capable of reproducing once inside a living host cell Viruses are living cells that are lacking the necessary structures to carry out cellular functions. c. it gave the pilgrims their own charter. After returning to your desk, you observe the slide with your microscope and notice that all of the red blood cells (RBCs) do not look like the nice round donut shaped cells in your lab manual. With the first bite, you notice their texture is not as crisp and crunchy as you like. Persistence of chemicals can be a concern for health because such ______. IV. b. herpes simplex virus b. receptor proteins b. NADPH oxidase; produce superoxide radical (-) c. All living cells have membrane-enclosed organelles. c. semipermeable B.) b. the IL-12 receptor DGT Token a. exocytosis Vesicular stomatitis virus G (VSV-G) . b) A large number of phages are released at a time. Our goal is to let community members put their participance into new projects with confidence. Adopting the precautionary principle in regulating environmental toxins ______. Viruses burst (lyse) from host cells and kill the cell; Virus connects to a receptor on the cell's surface; New viruses infect other cells and create more viruses; Virus genomes and protein cotas self-assemble; Re-sequence the steps in teh chart to reflect the correct order of the virus reproduction process. c. CD40 ligand; produce GM-CSF - LD50 is the dose of the toxin that is lethal to half the population. Previous infection with S. pneumoniae wears down the immune system over time. c) II True or false: Ecological diseases refer to infectious diseases that strictly affect wildlife or cause damage to habitats. b - Shows a linear relationship from zero exposure to the highest dose suggesting that exposure to such toxic agents, no matter how small, carries some risks d. creates energy by converting ribosomes to proteins. Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. c. the IFN- receptor Which of these sentences properly describes the difference between bioaccumulation and biomagnification? a. a plasma membrane, where the pipe cleaners represent the phospholipid bilayer and the ribbon represents proteins embedded in the membrane. Viruses have a higher metabolism than bacteria cells. b) retroviruses Issues associated with _______________ heath may take up to 15% of the worldwide disease burden by 2020 as conditions such as depression are growing more prevalent in both developed and developing countries. What factors make emergent diseases a special problem? c) Viruses are difficult to place precisely within the tree of life. - Different sensitivities among those exposed to the toxins b. the sequence of the conserved X box of the HLA class II promoter - political or economic interest related to the hazard. b. nonspecific activation of 2-20% of body's CD8 T cells Setting environmental health policy is challenging because ______. 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. b. anti-HIV antibodies are detectable in their blood serum - demand protection from every potentially harmful contaminant or accept some exposure as our bodies can repair some damage c. active transport Which of the following characterizes Chytridiomycosis? Which statement accurately describes capitalism? d. pinocytosis. bio virus and bacteria Flashcards | Quizlet transcriptional regulators of HLA class II loci. c. facilitated diffusion The selective absorption and storage of a great variety of molecules inside cells and tissues at levels that are higher than in the environment is called ______. a. 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. b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. What is a probability calculation and how is it used in risk assessment? d. RAG1 or RAG2 - DALYs are a more complete measure combining premature deaths and the loss of a healthy life resulting from mental illness or physical disability a. the virus inhibits MHC class I expression - personal ignorance about the hazard A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. d. Certain solutes move freely across the membrane by simple diffusion while others must be helped across by active or passive transport proteins; some substances are completely excluded from crossing the membrane. Which statement most accurately describes a virus? A.) A virus is Viruses Furr | Other Quiz - Quizizz a. mitochondria Solved Which of the following statements accurately | Chegg.com 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. a - Some of the population responds, even at zero dose of the toxin, suggesting that some other factor in the environment also causes this response Question 4 120 seconds Q. error prone replication of its DNA genome. On the basis of the experimental data and the gradient-less optimization approach, the modeling strategy and the parameterized equivalent dynamic finite element model are presented. e. B cells; EBNA-1. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. 13-8 _____ is a strategy used by herpesviruses where replication and the generation of virus-derived peptides are avoided in order to hide from the immune response. If you already knew that the infectious agent was a prion, select all the treatments that would allow you to distinguish this? a. Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. Which of the following describes a virus? - Brainly.com Q: Discuss the following statement: "Viruses exist in the twilight zone of life: outside cells they are. d. reverse transcriptase. 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. nonspecific activation 2-20% of body's CD8 T cells. - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. ______ 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. 20. A long piece of ribbon wired along both long edges is twisted into a helix and wrapped around individual pipe cleaners that have been rolled into spools; this grouping is then twisted (super coiled) again to condense it. *two answers*, which of the following. a) Double-stranded DNA viruses c) use reverse transcriptase to incorporate the virus genome into the host cell DNA. True or false: All species have approximately the same reaction to a specific compound. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. Question 33. A: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. 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). c. passive carrier proteins Which of the following accurately describe mutagens and their effects? However, that does not imply that low doses of any toxin is good for health. X=111110201X. Virus vs Cells | Biology Quiz - Quizizz 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. c. The cell should gain weight over time because it is hypertonic to the beaker environment and water will enter the cell through osmosis. When a dose-response curve for a particular toxin shows a threshold for the response, it generally suggests ______. d) flare-ups occur when dormant viral proteins attack new cells Proviruses form immediately after the RNA genome assembles with viral proteins and infectious irons are produced, 13-68 The pol gene of HIV produces all of the following except _____. e. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. DDT is a well-known case of biomagnification in the environment. d. phagocytosis. d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. b. protease Q. Which of the following types of organisms are commonly single-celled (unicellular)? Question 12. Correctly match the environmental disease agent to its example. Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. d. RAG-1 or RAG-2 Write the equation describing the equilibrium established when HNO2HNO_2HNO2 reacts with NH3NH_3NH3. b. e) proviruses. Instead, the RBCs look very shriveled up. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." Explain. c. Proviruses are flanked by repetitive sequences called long terminal repeats (LTRs). 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). f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. c. Most deficiency syndromes are caused by dominant gene defects. d. Certain solutes move freely across the membrane by simple diffusion while others must be helped across by active or passive transport proteins; some substances are completely excluded from crossing the membrane. d. C5-C9; defend against Neisseria This specifically makes alcohol a ______. a. adenosine deaminase (ADA) stable, they do not degrade easily and have become extremely widespread in the environment. b. chronic granulomatous disease c. the expression of MHC class I and class II molecules D. Viruses reproduce asexually while bacteria cells reproduce sexually. O The envelope is only found on RNA viruses. They affect wildlife populations, such as bats and frogs. c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. b. virus cells . 2. Which of these statements correctly describes trends in child mortality? You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. c. T cells; CD8 e. factor I Other duties may be assigned as deemed necessary or appropriate by management. c) Reverse transcription would no longer be possible. Which of the following statements explains why, despite these probability calculations, people perceive driving as less risky and are more accepting of the associated risks? f. provoke vomiting and diarrhea when ingested. Select one: a. Show transcribed image text Match the following causes of death with the lifetime chance of dying that way in the United States. Viruses contain DNA, so they are alive. II. 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. Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. disability-adjusted life years, which evaluates the total cost of disease, not just how many people die, any abnormal change in body conditions that impairs normal functions. The two strands of DNA separate and serves as a template, and the daughter molecule will have a mix of an old and new strand. 1. d. Epstein-Barr virus Which of the statements below accurately captures the relationship between toxicity and potency? Name several indicators that scientists use to evaluate the effects of climate change. A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. d. Liposomes form from phospholipid bilayers and provide a barrier between an external environment and an internal environment; this creates an internal environment where specific chemical reactions needed to establish a living cell can occur separately from the external environment. Chapter 19: Viruses Flashcards | Quizlet All toxic substances are hazardous, but all hazardous substances are not toxic. a) Fasting blood glucose from 120-180 mg/dL b) Fasting blood glucose from 126-140 mg/dL c) Fasting blood glucose from 110-125 mg/dL d) All of the above 7) All of the following drugs are oral hypoglycemic drugs, Except a) Metformin b) Sulphonylureas c) Thiazolidinediones d) Double-stranded RNA viruses The measles virus causes pancreas and liver infections. Choose the following statement that most accurately describes viruses. .Know, understand, incorporate, and demonstrate the Mission, Vision, Values and Guiding Behaviors of Trinity Health and LIFE at St. Joseph of the Pines in behaviors, practices, and decisions. b. Haemophilus influenzae 4. - Infectious diseases such as diarrhea are on the decline globally. - Though cells have repair mechanisms to restore damaged DNA, there is no safe threshold for exposure to mutagens as the repair process may be flawed. Which of the following processes can be effective in preventing the onset of viral infection in humans? IV. 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. e. Janus 3 kinase (Jak3) Correct Response Which of the following statements accurately describes the natural In this paper, static cone penetration test data of a project site are used, and random field theory is . What is the most plausible explanation for the appearance of the blood cells on your slide? One important way to control the spread of viruses is through a. the use of vaccines. What is the current trend in the worldwide mental health disease burden? 13-20 Dominant mutant forms of IFNR1 exhibit all of the following in heterozygotes except _____. b) Formation of the provirus would be stopped. - Reduced cancer risk Which of the following statements accurately describe the hemoglobin molecule? b. vascular bundles Exhaling excess carbon dioxide - Lungs 13-33 Patients who lack _____ are very susceptible to infections with intracellular bacteria, including the ubiquitous nontuberculous strains of mycobacteria. 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. 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? Why do these antibiotics not work to kill viruses and cure people of viral infections? e. activate : T cells 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. b) Replication of their genomes does not involve proofreading. 0.003 ppb - DDT in water 3. UPSC Prelims and Mains Exam - 2nd March 2023 - IASbaba b. respiratory syncytial virus d. Every living organism is composed of one or more cells, and all living cells arise from preexisting cells. What is the determined cause of colony collapse disorder? - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. b. These special proteins tell the white blood cells those bacterial cells do not belong to that particular human and to phagocytize (eat) them. Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? Cells vs Virus Homework | Biology Quiz - Quizizz To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory e) Retroviruses. a. Which of the following applies to ecological diseases? The heaviest burden of illness is borne by ______. 13-66 Which statement regarding retrovirus proviruses is false? Culture the substance by itself on nutritive medium, away from any plant cells. Prokaryotic cells must also carry out respiration but do not have mitochondria. Chloropyrifos - Used as a pesticide Allergens are substances that affect us by ______. Use unequal arrows to indicate whether reactants or products are favored.