51BidLive-[A collection of three American sterling silver vases and a A. Potential harm to other species or entire ecological systems. costs may increase significantly to protect the very small number of highly sensitive individuals at the extreme end of the curve. ENVR 1402 - CH. 8 Flashcards | Quizlet Solved Which of the following statements accurately | Chegg.com DDT is deposited in water from agricultural runoff The bacterial phage lambda can infect some bacteria and c. gp41 a. 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 Which of the following statements best describes vaccines? - Mutagens are agents such as chemicals or radiation that damage DNA. Q. c. processing to peptides is not required for T-cell activation d. pinocytosis. A Pre-Audited Token Launchpad on the Binance Smart Chain (BSC). Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? B.) Dicamba - Used as an herbicide; a plant hormone D. Viruses reproduce asexually while bacteria cells reproduce sexually. Why? d) flare-ups occur when dormant viral proteins attack new cells a. X-linked agammaglobulinemia: gamma globulin injections c. Wiskott-Aldrich syndrome protein (WASP) b. Proviruses consist of double-stranded DNA. 13-29 Severe combined immune deficiency (SCID) describes a condition in which neither _____ nor _____ are functional. Biology Semester 1 Review | Biology Quiz - Quizizz A: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. a. the cell wall b. X-linked hyper IgM syndrome: GM-CSF injections d. neurons; MHC class I a. it created the massachusetts bay colony. A solid waste (garbage) transfer facility that sorts and breaks down garbage into recyclables and waste to be thrown away in the landfill would be a suitable analogy for which cellular organelle? Which of the following statements is true of chloroplasts? Which of the following statements accurately describes the properties of gases? Morbidity refers to _____________, whereas mortality refers to ____________. b. So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. a. integrase 0.04 ppm - Zooplankton b) They can be spread via the plasmodesmata. question 2 5 out of 5 points which statement accurately describes capitalism? This decision of the FDA was based on ______. b) Formation of the provirus would be stopped. O The presence of an envelope influences viral entry and exit strategies. 13-23 Which of the following pairs is mismatched? CRE is a lethal bacteria that is resistant to ________________; it causes <5% of all hospital infections but is fatal in about 50% of the cases. Question: Which of the following statements accurately describes a viral envelope? True or false: Ecological diseases refer to infectious diseases that strictly affect wildlife or cause damage to habitats. Viruses and Bacteria | Science Quiz - Quizizz b. This is because, unlike toxic substances, hazardous materials ______. Contrast the methods used by the Greek philosophers and Dalton to study the d. pinocytosis. c. they are able to form stable dimers with the normal form Which of the following factors do policymakers consider most important in setting an effective environmental health policy? Which one of the following accurately describes the cause:effect relationship of ultrasound? The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. Match each of the potential toxins listed below to their most likely routes of exposure. - personal ignorance about the hazard b) retroviruses a. the virus inhibits MHC class I expression c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. b. NADPH oxidase; produce superoxide radical (-) Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the. c) removal of viral proteins 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 _______. c. X-linked lymphoproliferative syndrome Which one of the following statements best describes the role of B cells and T cells in the human body? Answered: Which of the following statements | bartleby The 2014 epidemic of ______ in western Africa infected approximately 20,000 people and killed 8,000. d. viruses are prokaryotic and bacteria are eukaryotic . Yes; without organelles, prokaryotic cells cannot photosynthesize or respire. b) Negative-sense single-stranded RNA viruses 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. d. Candida albicans 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. The measles virus causes mouth and gum infections. B. - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. b) Viruses can replicate independently of their cellular hosts. ______ are chemical agents that damage or alter DNA, which can result in birth defects during fetal development or tumor growth in later life. Eradication of diseases such as polio or smallpox. You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. b. Which of the following statements accurately describes the concepts of disease and illness? c. innate; acquired immune responses Julie S Snyder, Linda Lilley, Shelly Collins. 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. 4. Increased frequency:decreased depth of penetration C. Increased blood flow:greater temperature increase D. Increased water content:increased ultrasound absorption a. osmosis. 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. What is a probability calculation and how is it used in risk assessment? Large molecules are always excluded from crossing the membrane. Which of the following statements accurately describes the - Weegy Match the persistent organic pollutant (POP) of current concern to its source. e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. Proton therapy accurately targets very specific locations, which may result in less damage to surrounding . So, excluding these clients from both years, we would have recorded revenue growth of 7% in 2022.". I. A. b. sorts proteins and lipids and sends them to their final destination. Which of the following accurately describes HIV? b) Formation of the provirus would be stopped. a. 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. Which cell that was viewed is most likely a prokaryote. - The chemical agent is not biodegradable and thus is persistent in the environment. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. e. Mycobacterium tuberculosis. Herpes simplex virus infects B lymphocytes. 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). X=111110201X. Name several indicators that scientists use to evaluate the effects of climate change. 2.Consistently demonstrate (leads by example) LIFE . e. the initial phase of infection is followed by clinical latency. Which of the following statements accurately describes the measles virus? Which of the following statements about viruses is false? 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. - People tolerate familiar risks, despite the high probability of harm, because they often downplay the risk associated with familiar activities. b. d. immune evasion - do not damage or kill living organisms by reacting with cellular components to disrupt metabolic functions Heart disease and cancer - These have risks of 1 in 6-7 Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? Chapter 7 Practice Questions - University of New England Trauma - Car accidents What is this speed in meters per second? d. . 25 ppm - Ospreys. stable, they do not degrade easily and have become extremely widespread in the environment. a. c. fall below 1000 cells/l Examine the figure below. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? b) the enzymes carried by the virus c. phagocytosis. c. a prokaryotic cell without a nucleus. Why do scientists repeat their experiments over and over again? a. leukocyte adhesion deficiency They affect wildlife populations, such as bats and frogs. c. nucleic acids. Select one or more: O a. d. factor D A virus must use its host-cell processes to replicate. c. bacteria and yeast Reduce the amount of salt and animal fat in your diet - Reduced cardiovascular disease The color change does not really tell us anything about the experiment. a) bacteriophages b. Mortality rates are reduced by the administration of antibiotics to affected individuals. They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. Sustainability | Free Full-Text | Influence of Correlation Distance of - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. c. receptor-mediated endocytosis. Job offers for selected candidates will be made the week of May 1, 2023. - Policy decisions about toxins must address how such materials affect not just humans but also organisms that define and maintain our environment. b. pinocytosis Which of the following processes can be effective in preventing the onset of viral infection in humans? 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. a. 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. 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? Previous infection with S. pneumoniae wears down the immune system over time. - demand protection from every potentially harmful contaminant or accept some exposure as our bodies can repair some damage Well-posedness for a diusion-reaction compartmental model simulating c) the proteins in the host's cytoplasm The WBC's job is to take the bacteria inside of itself and destroy the bacteria. d. creates energy by converting ribosomes to proteins. Chemicals are generally divided into oil-soluble and water-soluble types. a. is the site where lipids destined for other cellular compartments are manufactured. - The damage to genetic material by mutagens can lead to birth defects if the exposure occurs during fetal development. Quiz 19: Viruses | Quiz+ 13-9 Which of the following statements regarding herpes simplex virus is false? They cause T cells to divide and differentiate into effector T cells. 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. The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. Which of the following statements accurately describe the hemoglobin molecule? 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. Shafting, three-point leveling units, and other components are reasonably simplified during the modeling . b. a cell wall. c. infected cells do not express any viral proteins during latency a. - The U.S. EPA estimates that 200 million Americans live in areas where cancer risk from environmental carcinogens is ten times higher than normal. PFCs are persistent chemicals, so they are ______. Viruses are typically a piece of genetic material encased in a protein capsule. Which of the following statements accurately describes a viral envelope? This specifically makes alcohol a ______. 0.5 ppm - Small fish e. B cells; EBNA-1. The epidermis layer functions like a covering of skin to protect the leaf while vascular bundles carry water and nutrients through the leaf. CareCloud Reports Record Full Year 2022 Results Adopting the precautionary principle in regulating environmental toxins ______. c. It activates the JAK-STAT signal transduction pathway after binding to its cognate receptor. 1 litre or 1 centilitre. Many of these materials can be rendered relatively innocuous by dilution, neutralization, or other physical treatment. c. cellular transcription favors the production of HIV-encoded RNA b. immune individuals; susceptible individuals a. ___________________, 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 _________________. 20. b. a virus-encoded complement receptor c. facilitated diffusion 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. B.) c. a mitochondrion. What phenomenon has occurred to the perfume molecules that have entered the air? 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. e. antigenic drift. 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. Multiple Choice Question on Diabetes Mellitus: Pathogenesis, Diagnosis True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. Viruses can reproduce on their own at any time. Victim Assistance Program Manager 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. The POPs of greatest concerns include substances such as chloropyrifos and glyphosate; we are exposed to them primarily by ______ because they are used in the production of ______. The Golgi apparatus b. - spreading worldwide. e. Listeria monocytogenes. The smooth endoplasmic reticulum 13-4 The serotypes of Streptococcus pneumoniae differ in their _____. - that some minimal dose is necessary before any effect can be observed. They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer. The Black Death, the 1918 influenza, and the H1N1 flu virus were all ______, as they caused widespread and worldwide infections. 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. Ribosomes are very small non-membranous organelles that can either exist freely in the cytoplasm or be embedded in the endoplasmic reticulum of a cell; they are associated with the synthesis of a. facilitated diffusion. After soaking in the yellow iodine-water solution for one hour, the cell is once again weighed. At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. b. respiratory syncytial virus 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 Exposure to radiation during an x-ray for a broken foot - Acute exposure Persistence of chemicals can be a concern for health because such ______. Can you add thermal energy to an object without increasing its temperature? a. contain genetic material b. can be killed using antibiotics c. have a cell membrane d. have a protein coat a 5. The dose-response curve shown here describes which of these ideas? - in the blood of nearly everyone in the United States. b. c. They give an animal cell its shape. 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 The standard GNSS-IR model typically considers soil to be a single layer of medium and measures the average SMC between 1 and 10 cm below the soil surface. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Which of the following accurately describe mutagens and their effects? O Enveloped viruses do not have protein spikes. The measles virus causes nasal and lung infections. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty 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. 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. This number doesn't include people killed by smoking tobacco. b. nuclear envelope. c. Haemophilus influenzae Its function most resembles 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. e. they are unable to transduce signals when bound to the normal form. What is the current concern with using Sprague-Dawley rats in toxicology studies? error prone replication of its DNA genome. Viruses Furr | Other Quiz - Quizizz - Acute exposure involves a single contact with a toxic chemical. 13-19 Which of these characteristics is not true of IFN-? answer choices they are both living they are both cells they can both cause disease they are both non-living Question 7 30 seconds Q. What is the most likely reason for the disagreement? c. The saline you used was hypertonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly out of the cell. 13-60 Herpes simplex virus favors neurons for latency because of the low level of _____, which reduces the likelihood of killing by CD8 T cells. Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. a. Solved Which of the following statements accurately - Chegg Your muscle cells need large amounts of ATP to function in the movement of your body. e. gp41 and gp120. Which of the following statements are reasonable conclusions that can be drawn from a recent headline that announced the discovery of 23 pesticides in 16 food samples? 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. SH2D1A. Electrotherapy Unit III PTA Ultrasound Quiz 1. 13-37 An epidemic affects _____, whereas a pandemic affects _____. c. converts sunlight into chemical energy. answer choices. e. All of the choices are correct. True or false: Conservation medicine refers to efforts by biologists to treat sick or injured wildlife. Match each of the following factors to how it influences whether a particular chemical will prove to be dangerous. 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.