which of the following statements accurately describes viruses?

c. Most deficiency syndromes are caused by dominant gene defects. - do not damage or kill living organisms by reacting with cellular components to disrupt metabolic functions 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. 13-24 All of the following are X-linked immunodeficiencies except _____. This problem has been solved! d. a eukaryotic cell with a nucleus. 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. c. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "B." Urban flooding has become one of the most common natural hazards threatening people's lives and assets globally due to climate change and rapid urbanization. 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. 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. 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 protein molecule, transferrin, embedded in the plasma membrane recognizes iron molecules and causes the plasma membrane to fold in around the iron and take it into the cell. 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 healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. Which one of the following accurately describes the cause:effect relationship of ultrasound? Other duties may be assigned as deemed necessary or appropriate by management. A virus does not have a cell wall, nucleus, and eats. Question 1. - Different sensitivities among those exposed to the toxins True or false: According to the World Health Organization (WHO) definition of health, we are all ill to some extent. a) co-infection with an unrelated virus that causes the same symptoms 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. stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. 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 ? Additionally, small Na ions and some proteins can pass through the membrane against the concentration gradient, but both require the assistance of active transport proteins. 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. f. SCID caused by deficiency of common chain. Your friend says you should refrigerate them in a bowl of water overnight. Which of the following statements accurately describes plant virus infections? ; Patriot Platinum Travel Medical Insurance SM . 13-3 A primary immune response against influenza virus produces antibodies that bind to _____. In the following section, we describe this approach in detail. The bacterial phage lambda can infect some bacteria and b. X-linked hyper IgM syndrome d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? d. carbon dioxide (CO2), b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids. A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. Which of the following characteristics is the largest contributor to determining a virus's host range? 13-37 An epidemic affects _____, whereas a pandemic affects _____. Asbestos workers who smoke, however, have a 400-fold increase in cancer rates. Choose the statement that correctly describes HIV and HBV. a. susceptible individuals; immune individuals d. lysosomes, The leaves of a plant typically have different tissue layers that function in different ways. b. polysaccharides, large protein molecules, low-density lipoprotein particles 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 Which of the following can be used to accurately describe viruses? 180 seconds. 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. Drowning c. facilitated diffusion d) the proteins on the viral surface and that of the host cell membrane. c. a TAP peptide transporter A virus is living because it has an envelope that acts like a cell membrane. a. Epstein-Barr virus 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. c. the expression of MHC class I and class II molecules d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation. When you get home you remove the stems and clean them. e. All of the choices are correct. Collection, integration, and effective use of clinical data for this purpose presents a variety of specific challenges. However, some sugar molecules are too large to pass through the membrane either way without the assistance of passive transport proteins. True or false: Conservation medicine refers to efforts by biologists to treat sick or injured wildlife. Which of the following statements accurately describes the concepts of disease and illness? B. This study was reported . a. C1INH Poisons that are produced naturally are called ____________ substances. d. They contain an entire copy of a cell's genetic material. a. they are recycled by endocytosis more quickly than the normal receptor is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. The products are arranged under different categories like . b. chronic granulomatous disease a) enter a replicative cycle that does not kill the host cell. b) Formation of the provirus would be stopped. 13-56 Bare lymphocyte syndrome leading to a lack of HLA class II molecule expression is due to a defect in _____. 3. b. T-cell-dependent antibody responses; cell-mediated immune responses At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. 13-6 All of the following use gene conversion to avoid immune detection except _____. 4. Neither membrane is selectively permeable or has pores. 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. If you already knew that the infectious agent was either bacterial or viral, select all the treatments that would allow you to distinguish between these two possibilities. d. properdin (factor P) This is an example of 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). Which of the following statements accurately describes a viral envelope? d. The cell should gain weight over time because it is isotonic to the beaker environment and water will be drawn into the cell because of the albumin. d. They are obligate intracellular parasites. 13-41 Trypanosomes escape from adaptive immunity by altering the type of _____ expressed on the parasite surface. Explain. What characteristics define an emergent disease? Which of the following statements accurately describes the process of DNA replication? A. It may last a few seconds or a few hours. c. it gave the pilgrims their own charter. 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? The measles virus causes nasal and lung infections. 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. The Sprague-Dawley rat is ______ to endocrine disrupters than ordinary rats, so studies using them are not reliable. 13-50 Which of the following deficiency syndromes affects T-cell but not B-cell function? c) viroids e. capsular polysaccharide. Which of the following characterizes Chytridiomycosis? 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. A variety of respiratory diseases in humans can be caused by adenoviruses. b) Viruses can replicate independently of their cellular hosts. Key points: A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses. 15. c. fall below 1000 cells/l They produce proteins used by other parts of the cell. 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. b. a worker in a factory who places labels on products and then packs them into a shipping box Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. The Golgi apparatus c. variable surface glycoprotein (VSG) d. Every living organism is composed of one or more cells, and all living cells arise from preexisting cells. a) interference with viral replication Match the term with its correct definition. Nearly all substances are toxic depending on the amount, delivery rate, and method. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. - political or economic interest related to the hazard. Heart disease and cancer - These have risks of 1 in 6-7 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) Vertical transmission is transmission of a virus from a parent plant to its progeny, and horizontal transmission is one plant spreading the virus to another plant. Check all that apply. What is the current trend in the worldwide mental health disease burden? In this paper, static cone penetration test data of a project site are used, and random field theory is . answer choices. e. inhibition of ICAM-1 expression. 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. 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. 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. e. protease. 13-44 Listeria monocytogenes replicates in _____ of macrophages after _____. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. 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) Viruses are smaller in size than bacteria. Membranes budded off of the oil in this mixture. c. innate; acquired immune responses You also notice that the solution inside of the cell is now a dark blue color while the solution in the beaker is still a light yellow color from the iodine. e. X-linked Wiskott-Aldrich syndrome. Developing lung cancer after exposure to radiation - Chronic effect. Which of the following factors do policymakers consider most important in setting an effective environmental health policy? a. Solutes are never able to cross the membrane. 5. 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. - demand protection from every potentially harmful contaminant or accept some exposure as our bodies can repair some damage The dose-response curve shown here describes which of these ideas? Factor related to the organism - Immunological status at the time of exposure to the chemical. 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.

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which of the following statements accurately describes viruses?

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which of the following statements accurately describes viruses?