D. Viruses reproduce asexually while bacteria cells reproduce sexually. Which of the following statements correctly identify reasons why the debate currently surrounds regulating endocrine disrupters? Dialysis tubing is a selectively permeable membrane that can be filled with a solution to simulate a cell. 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. 13-41 Trypanosomes escape from adaptive immunity by altering the type of _____ expressed on the parasite surface. Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? b. hydrophilic; hydrophobic; They line up hydrophobic tails facing each other at the center line of the membrane with the hydrophilic heads facing outward, away from the center line of the membrane. a. Wiskott-Aldrich syndrome caused by deficiency of WASP C) A person with an illness cannot be considered healthy. c. it gave the pilgrims their own charter. d. T-cell and B-cell development answer choices. 3. One important way to control the spread of viruses is through a. the use of vaccines. Both membranes are selectively permeable and have pores. b. the cytosol; escaping from the phagosome Affected individuals are less susceptible to infection. Biomagnification, in the case of a fish-eating osprey, refers to the fact that the ______. This virus attacks the white blood cells (immune cells) of the human body. c. processing to peptides is not required for T-cell activation d. phagocytosis. f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. a. is the place where a cell's genetic material is stored. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty a. exocytosis 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). 13-12 Shingles is associated with infection by _____. Which of the following factors do policymakers consider most important in setting an effective environmental health policy? Answered: Which of the following statements | bartleby 13-43 Which of the following is not used by the herpes simplex virus to subvert host immune responses? c. herpes zoster Which of the following statements accurately describes the path of oxygenated blood? a) They can be spread via the plasmodesmata. 4. Tests on living animals are more reliable than other tests. Increased frequency:decreased depth of penetration C. Increased blood flow:greater temperature increase D. Increased water content:increased ultrasound absorption d. it made plymouth a royal colony This study was reported . b. gp120 X=111110201X. a. susceptible individuals; immune individuals - LD50 is the dose of the toxin that is lethal to half the population. You are a microbiologist working with a species of bacteria that can perform photosynthesis. c. infected cells do not express any viral proteins during latency a. channel proteins Generally, the CIS environment in which personal computers are used is less structured than a centrally-controlled CIS environment. Heart disease and cancer - These have risks of 1 in 6-7 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. a. DNA-dependent DNA polymerase; HIV A. Oxygenated blood is taken to the heart, from the lungs into the left atrium via the pulmonary arteries B. Oxygenated blood is taken to the heart, from the lungs into the right atrium via the pulmonary veins Quiz 19: Viruses | Quiz+ These changes, called cytopathic effects, can change cell functions or even destroy the cell. Correctly match the environmental disease agent to its example. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". 2. HELP ASAP!!!! Which of the following statements accurately describes This is followed by a non-translated leader sequence, and then a single long protein-coding region (~7,000 nucleotides), followed by a poly-A tail. 13-30 Wiskott-Aldrich syndrome involves an impairment of _____. b. DNA-dependent DNA polymerase; influenza virus Cell W. d. fall below 500 cells/l Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? This study aims to present a robust numerical model by . Contrary to the risk probabilities, we are often willing to accept far greater risk than the general threshold ______. B. a. leukocyte adhesion deficiency Why do scientists classify viruses as non-living? Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? a worldwide (or very widespread) epidemic. a) III d. a eukaryotic cell with a nucleus. a. transcriptional regulators of HLA class II loci 0.003 ppb - DDT in water Job offers for selected candidates will be made the week of May 1, 2023. Biology Semester 1 Review | Biology Quiz - Quizizz c. semipermeable d. neurons; MHC class I Which statement accurately describes capitalism? Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. 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 . c) removal of viral proteins 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. Ch. 21 Review Questions - Biology for AP Courses | OpenStax Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. Name several indicators that scientists use to evaluate the effects of climate change. Bacteria are much larger than viruses, and t View the full answer Transcribed image text: a. a) interference with viral replication - personal ignorance about the hazard Solved Which of the following statements accurately | Chegg.com Other IMG plans that may be of interest. - that some minimal dose is necessary before any effect can be observed. d. reverse transcriptase. There are 4 serotypes of the virus . 13-35 Protective antibodies generated in response to influenza virus bind to _____ of the viral envelope. 0.04 ppm - Zooplankton Which of the following can be used to accurately describe viruses? The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. a. they are recycled by endocytosis more quickly than the normal receptor b. C3 a. mitochondria Small fish eat zooplankton d. The RBCs were hypertonic to the saline; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. X=(112110101)X\mathbf{X}^{\prime}=\left(\begin{array}{rrr}{1} & {-1} & {2} \\ {-1} & {1} & {0} \\ {-1} & {0} & {1}\end{array}\right) \mathbf{X} Reference: ref 1 e) Viral genomes mutate rapidly. A. * A. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. a. a virus-encoded Fc receptor c. CD40 ligand; produce GM-CSF Answered: Which of the following statements | bartleby The next day the radishes are crisp and crunchy again. Some antibiotics used to treat bacterial infections kill the bacteria by chemically punching holes in the cell wall of the bacteria, by preventing the bacteria from replicating their DNA, or by many other actions that ultimately cause cell death. Every living organism is composed of one or more cells, and all living cells have membrane-enclosed organelles. Dog bites and bee, wasp, or hornet stings - These have risks between 1 in 46,562 to 1 in 115,111. Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. Which of the following statement accurately characterize prediabetes? 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 Editor's Choice articles are based on recommendations by the scientific editors of MDPI journals from around the world. Why do scientists repeat their experiments over and over again? Sensors | Free Full-Text | Multilayer Model in Soil Moisture Content a. hemagglutinin and neuraminidase New York State coalition hepatitis C consensus statement leads to governor's action. Persistent organic pollutants (POPs) are a concern because being ______. a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. Eventually, the immune system cannot handle the viral invasion. b. exocytosis. b. For some toxic substances, a millionth of a gram (an amount invisible to the naked eye) can be lethal. Which of the following statements accurately describes how endocrine disrupters affect us? 120 seconds. 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 _____. Applied Sciences | Free Full-Text | A Machine Learning Based Full c. RNA-dependent DNA polymerase; HIV e. the initial phase of infection is followed by clinical latency. How would the affect the HIV infection cycle? d. hereditary angioedema: C1INH infusions b) Formation of the provirus would be stopped. 4. Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? b. fall below the CD8 T-cell count b) IV On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive. Chapter 22: Viruses Flashcards | Quizlet b. ribosomes Prokaryotic cells must also carry out respiration but do not have mitochondria. So, the water moved by osmosis across the plasma membranes into the radish cells increasing the turgor pressure inside of the cells and making them crunchier. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. Instead, the cells are only able to reproduce once inside a host cell. d. X-linked SCID - when risks are known and we feel in control of the outcome. d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. c. osmosis. b. antigenic shift (Use only one word per blank.). 13-79 A patient is diagnosed with AIDS when CD4 T-cell counts _____. 4. If you already knew that the infectious agent was a prion, select all the treatments that would allow you to distinguish this? a. True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. B) The focus of nurses is the person with an illness. e. capsular polysaccharide. NADPH oxidase; produce superoxide radical (O-). What is the most likely explanation of why they became crunchy again after soaking in water? d. superantigen 13-14 Epstein-Barr virus-infected cells are poor targets for CD8 T-cell killing because _____. 13-37 An epidemic affects _____, whereas a pandemic affects _____. b. impenetrable Environmental health policies need to address ______________ because we may be destroying cycles that support human life if we don't protect different types of organisms. c. Haemophilus influenzae d. No; eukaryotic organelles are expelled each time the cell divides. II. What is a probability calculation and how is it used in risk assessment? Because sensory neurons express low levels of MHC class I molecules, they provide appropriate sites for viral dormancy. 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. 13-16 All of the following are associated with superantigens except _____. 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 envelope helps protect viruses exposed to heat and/or detergents. Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? (Use just one word for your answer.). - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. What persistent pollutant formerly was used in paint and gasoline and is linked to numerous health concerns such as cancer, reproductive problems, mental issues, behavior problems, and deformities? Which of the following structures is only a part of the male b) casing d. The water will not move at all because the water concentrations are isotonic. e. All of the choices are correct. d) induce the formation of prions in the nucleus of the cell. Check all that apply. c. passive carrier proteins . Which of the following statements about chronic and acute exposure and effects are correct? 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. 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 a. the machine that assembles a product To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory We perceive risk differently, depending on control, interests, or context. 0.5 ppm - Small fish - Differences between acute and chronic exposures a) the proteins on the viral surface and that of the host cell membrane Intro to viruses (article) | Viruses | Khan Academy Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. e. agammaglobulinemia caused by deficiency of Bruton's tyrosine kinase 13-19 Which of these characteristics is not true of IFN-? A. 5. True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. a. plasma membrane. Large molecules are always excluded from crossing the membrane. b. the chromosome Morbidity refers to _____________, whereas mortality refers to ____________. a. d) viroid (Select all that apply.) Find the general solution of the given system. - demand protection from every potentially harmful contaminant or accept some exposure as our bodies can repair some damage 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. 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. c. X-linked lymphoproliferative syndrome c. They stimulate between 2% and 20% of the total T-cell population. 2019 Electrotherapy Unit III Ultrasound Quiz.docx e. cytokine and cytokine receptor production. Explanation :-:virus are acellular. - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. Why? Chemicals are generally divided into oil-soluble and water-soluble types. 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. c. X-linked hyper IgM syndrome: gamma globulin injections a. In this paper, the experimental modes of a large-scale photoelectric theodolite tracking frame are presented. 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. b) They can be controlled by the use of antibiotics. Capitalism is an economic system that operates under the. Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions. c. The radish cells were hypertonic to the water in which they were soaking. Which of these best describes a virus? So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. e. Listeria monocytogenes. Which of the following types of organisms are commonly single-celled (unicellular)? A. Gases expand very easily due to a property called compressibility. Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) e. gp41 and gp120. Setting environmental health policy is challenging because ______. 13-32 A deficiency in _____ causes a condition that closely resembles X-linked severe combined immunodeficiency and is characterized by inefficient cytokine signaling. a. integrase a. is the site where lipids destined for other cellular compartments are manufactured. Which of the following characteristics is the largest contributor to determining a virus's host range? 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. 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. Water-soluble types - These substances move widely in the environment and also have ready access to body cells as their solvent is ubiquitous Excreting water-soluble salts and other substances - Kidneys. Which of the following statements accurately describes a viral envelope? - Mutagens are agents such as chemicals or radiation that damage DNA.

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