which of the following statements accurately describes viruses?

Name several indicators that scientists use to evaluate the effects of climate change. c. receptor-mediated endocytosis. Match each of the following factors to how it influences whether a particular chemical will prove to be dangerous. 0.04 ppm - Zooplankton c. Haemophilus influenzae Antibiotics cannot kill a virus because viruses are not living cells with cell walls to puncture, nor do they have their own organelles to replicate DNA. Victim Assistance Program Manager Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. 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. Which statement most accurately describes a virus? A.) A virus is Your friend says you should refrigerate them in a bowl of water overnight. b. Reactivation of herpesviruses follows stressful incidents. 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? a. gene conversion b. MHC class II chain When the toxic burden of organisms at a lower trophic level is accumulated and concentrated by a predator in a higher trophic level it is called ______. Which of the following statements accurately describes the lysogenic cycle of lambda () phage? e) Viruses can replicate independently of their cellular hosts. 6. 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 _____. Which of the following statements accurately describes the measles virus? 13-48 Individuals with an immunodeficiency affecting B-cell function are more susceptible to infections caused by which of the following pathogens? d. superantigens a. osmosis b. a. a plasma membrane, where the pipe cleaners represent the phospholipid bilayer and the ribbon represents proteins embedded in the membrane. 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. I. Toxins - Lead a) capsid Which of the following can be used to accurately describe viruses? e. A cDNA intermediate is required in order to produce a provirus. Our goal is to let community members put their participance into new projects with confidence. Which of the following accurately describes HIV? c. the expression of MHC class I and class II molecules Contrary to the risk probabilities, we are often willing to accept far greater risk than the general threshold ______. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? Because sensory neurons express low levels of MHC class I molecules, they provide appropriate sites for viral dormancy. e. All of the choices are correct. e. Bruton's tyrosine kinase (Btk). e. X-linked Wiskott-Aldrich syndrome. b. NADPH oxidase; produce superoxide radical (-) 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 ______. 3. Electrotherapy Unit III PTA Ultrasound Quiz 1. They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. c. Most deficiency syndromes are caused by dominant gene defects. a 4. The bacterial phage lambda can infect some bacteria and Though categorizing toxins based on potency is useful, it is complicated by differences in individual and species reactions to particular chemicals. 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 _______. However, a huge health scare in Flint, Michigan, occurred in 2016 when children were exposed to lead through ______. a. the cell wall You place a small drop of the blood on a slide, add a drop of strong saline (salt) solution, and then cover all of it with a coverslip. Which of the following statements correctly identify reasons why the debate currently surrounds regulating endocrine disrupters? Which one of the following accurately describes the cause:effect relationship of ultrasound? The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. the virus is able to transform into a host cell. b) Formation of the provirus would be stopped. Exhaling excess carbon dioxide - Lungs Pesticide residue on food - Ingestion (gastrointestinal tract) d. There will be no net movement of water because the solutions are isotonic. The products are arranged under different categories like . b. d. T-cell receptor V chain. 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. Which of the following would be likely to move through a plasma membrane by simple diffusion? 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. 34 Questions Show answers. 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? a) They can be spread via the plasmodesmata. bio virus and bacteria Flashcards | Quizlet e. leukocyte adhesion deficiency. a. smooth ER c. lysosome 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. The Sprague-Dawley rat is ______ to endocrine disrupters than ordinary rats, so studies using them are not reliable. - Infectious diseases such as diarrhea are on the decline globally. O The presence of an envelope influences viral entry and exit strategies. 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? True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. Expert Answer Answer:- option (d) accurately describe the differences between bacteria and virus. The following data are taken from measurements on Indian Fork Creek: A=26m2A=26 \mathrm{m}^{2}A=26m2, P = 16 m, and S0=0.02m/62mS_{0}=0.02 \mathrm{m} / 62 \mathrm{m}S0=0.02m/62m. For some toxic substances, a millionth of a gram (an amount invisible to the naked eye) can be lethal. c. converts sunlight into chemical energy. d. Epstein-Barr virus Which of the following statements about the potency (strength) of toxic substances is true? Quiz 17: Viruses | Quiz+ a) They can be spread via the plasmodesmata. Potential harm to other species or entire ecological systems. Reduce the amount of salt and animal fat in your diet - Reduced cardiovascular disease A.) a. Toxoplasma gondii Regulators struggle with how to set acceptable pollution levels based on the dose-response curve because ______. Which of the following statements about global health trends are true? This number doesn't include people killed by smoking tobacco. Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. D. HIV can pass easily from one person to the next through casual contact. 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. b) enter a replicative cycle that kills the host cell. - Endocrine disrupters may cause reproductive dysfunction in females. e. Listeria monocytogenes - They are both caused by viruses. Which of the following statements is true of chloroplasts? * A. a) enter a replicative cycle that does not kill the host cell. 13-3 A primary immune response against influenza virus produces antibodies that bind to _____. Neurotoxins are poisons that affect us by ______. b) Formation of the provirus would be stopped. It is rising in both developing and developed countries. anti-HIV antibodies are detectable in their blood serum. - must be handled carefully in large doses, but they can be rendered relatively innocuous by dilution, neutralization, or other physical treatment, draws from many disciplines, including biology, biochemistry, pharmacology, among others. When it acts on target cells, it enhances the engulfment and killing of bacteria. 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. e. thymic development. c. oxygen (O2) c) They are rarely spread by insects. 13-50 Which of the following deficiency syndromes affects T-cell but not B-cell function? The World Health Organization's definition of health includes ______ wellbeing. Which one of the following statements best describes the role of B cells and T cells in the human body? 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. A. HIV is deadly, but doesn't target key cells in the immune system. The idea that a small amount of radiation may stimulate DNA repair, whereas a large amount of radiation causes cancer, is an example of _____________________. - The chemical industry disputes the need for testing, and industry-funded scientists point to contradictions and uncertainties in published studies. d. carbon dioxide (CO2), b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids. - establish acceptable toxin levels at the highest amount that does not cause measurable effects or as low as technically feasible. answer choices Viruses can eat and metabolize food. Which of the following groups of people is most likely to have an increased exposure to toxic chemicals because of their job responsibilities? 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. CD28 What phenomenon has occurred to the perfume molecules that have entered the air? You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. a. transport proteins 180 seconds. c) Reverse transcription would no longer be possible. In which leaf tissues would you expect to find the highest density of chloroplasts? Which aspect of antibiotic resistance development in microbes is depicted in this image? Viral genomes consist of what type of nucleic acid molecules? a. impermeable a. 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 c. X-linked lymphoproliferative syndrome c. They are acellular. PDF Name: Date: Block: Bacteria & Virus Unit Review - lcps.org a. effective at minuscule concentrations Many important cellular functions in eukaryotic cells occur within membrane-enclosed organelles, such as cellular respiration occurring within the mitochondria. b. a. leukocyte adhesion deficiency - personal ignorance about the hazard Match the mechanism of eliminating toxins to the body part that is responsible for the action. However, some sugar molecules are too large to pass through the membrane either way without the assistance of passive transport proteins. Cell W. 13-6 All of the following use gene conversion to avoid immune detection except _____. Developing lung cancer after exposure to radiation - Chronic effect. b. facilitated diffusion d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation.