which of the following statements accurately describes viruses? which of the following statements accurately describes viruses?

Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. d) flare-ups occur when dormant viral proteins attack new cells Q. 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. - that some minimal dose is necessary before any effect can be observed. a. Solutes are never able to cross the membrane. PFCs are persistent chemicals, so they are ______. c. RNA-dependent DNA polymerase; HIV b. the cytosol; escaping from the phagosome Victim Assistance Program Manager D) Illness is a normal process that affects level of functioning. Which of the following characterizes Chytridiomycosis? d. neurons; MHC class I developing countries where many people cannot afford adequate health care or to live in a healthy environment. 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. Quiz 19: Viruses | Quiz+ c) Cutting and assembling the capsid would be halted. 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. b. - They are both caused by viruses. f. CD40 ligand. You know that the enzymes needed to perform photosynthesis in plant cells are closely associated with the membranes in chloroplasts. Affected individuals are less susceptible to infection. A virus has a cell, a nucleus, and does not eat. 34 Questions Show answers. 6 Tco 1 Which Statement Best Describes A Capitalist. 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. Julie S Snyder, Linda Lilley, Shelly Collins. 5. d. carbon dioxide (CO2), b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids. Pesticide residue on food - Ingestion (gastrointestinal tract) II. c. Cold sores develop as a consequence of CD8 T-cell killing. BIO6: Chapter 19 Flashcards | Quizlet d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. Biology Semester 1 Review | Biology Quiz - Quizizz Job Postings | County of San Diego c. Proviruses are flanked by repetitive sequences called long terminal repeats (LTRs). 13-19 Which of these characteristics is not true of IFN-? 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. d. superantigen 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. 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. d. They cause excessive synthesis and release of cytokines. 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? 13-9 Which of the following statements regarding herpes simplex virus is false? c. receptor-mediated endocytosis. Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. Explanation :-:virus are acellular. Which of the following is/are part of accepted cell theory? b. d. RAG1 or RAG2 They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer. 13-43 Which of the following is not used by the herpes simplex virus to subvert host immune responses? The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A." e. agammaglobulinemia caused by deficiency of Bruton's tyrosine kinase b. facilitated diffusion e) re-infection by the same herpesvirus strain, b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei. d. cytosol. d. It is secreted by CD8 cytotoxic T cells, CD4 TH1 cells, and NK cells. A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. c. a mitochondrion. True or false: According to the World Health Organization (WHO) definition of health, we are all ill to some extent. Question 33. d. There will be no net movement of water because the solutions are isotonic. Which of the following statements accurately describes plant virus infections? Membranes budded off of the oil in this mixture. 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? c) membrane Most substances are toxic at some level of exposure depending on the substance and the nature of the exposure. Cancer 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. b) Formation of the provirus would be stopped. 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). c. latency 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. It is rising in both developing and developed countries. 4. 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. the machine that assembles a product Multiple Choice Viruses are typically a piece of genetic material encased in a protein capsule. 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. Which of the following are environmental disease (health) agents? c. it gave the pilgrims their own charter. - mortality data fail to capture the impacts of nonfatal outcomes of disease and injury on human well-being. 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. a. hemagglutinin and neuraminidase What general type of membrane are you observing? 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. b. classical complement and blood-clotting pathways c. transporter associated with antigen processing (TAP) 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. What is the current concern with using Sprague-Dawley rats in toxicology studies? Hazardous substances - These substances are dangerous because they are flammable, explosive, acidic, caustic, irritants, or sensitizers. Explain. Pollution - Noise 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. The dose-response curve showing LD50, as provided here, describes which of the following ideas? b) Negative-sense single-stranded RNA viruses 80% of antibiotics used in the United States are _______. They capture energy from sunlight. What factors make emergent diseases a special problem? d. fall below 500 cells/l a. Culture the substance by itself on nutritive medium, away from any plant cells. Sustainability | Free Full-Text | Influence of Correlation Distance of a. channel proteins b. anti-HIV antibodies are detectable in their blood serum 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. Potential harm to other species or entire ecological systems. Larger fish eat smaller fish - Members of a population vary in sensitivity to a toxin. c. a prokaryotic cell without a nucleus. Question: You have to implement the following methods on the described scenario. Cells vs Virus Homework | Biology Quiz - Quizizz e. Listeria monocytogenes However, a huge health scare in Flint, Michigan, occurred in 2016 when children were exposed to lead through ______. Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. 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. When it acts on target cells, it enhances the engulfment and killing of bacteria. atom. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. B. HIV is able to hide from the immune system. 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. Our goal is to let community members put their participance into new projects with confidence. 4. Debates in establishing environmental health policy include whether to ______. b. HELP ASAP!!!! Which of the following statements accurately describes (Use one word for your answer.). - in the blood of nearly everyone in the United States. e. Bruton's tyrosine kinase (Btk). 13-41 Trypanosomes escape from adaptive immunity by altering the type of _____ expressed on the parasite surface. c. the ER lumen. 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 . - do not damage or kill living organisms by reacting with cellular components to disrupt metabolic functions c) Viruses are difficult to place precisely within the tree of life. d. X-linked SCID A metabolic poison that specifically attacks nerve cells is a _______________. b. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. b) casing Antiviral drugs that have become useful are usually associated with which of the following properties? d. 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. 13-2 _____ results when a gene affecting the immune system mutates, thereby compromising the body's defense against infection. From what substance do liposomes spontaneously form and why are they important? a. CD4 101 Quiz - Quizizz 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. 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. 13-37 An epidemic affects _____, whereas a pandemic affects _____. - misunderstanding probabilities about harm from a hazard Show transcribed image text - political or economic interest related to the hazard. D. Viruses reproduce asexually while bacteria cells reproduce sexually. For additional recruiting questions, please contact Isaac.Phelps@state.co.us. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. Which of the following statements accurately describes the properties of gases? 3. c. lymphoproliferative syndrome caused by deficiency of SH2D1A What is the most likely reason for the disagreement? a. prokaryotic and plant If you already knew that the infectious agent was a prion, select all the treatments that would allow you to distinguish this? d. immune evasion Which of the following statements accurately explains why tissue repair mechanisms may make those tissues more susceptible to cancer? d. T-cell receptor V chain. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. d. There will be no net movement of water because the solutions are isotonic. Adopting the precautionary principle in regulating environmental toxins ______. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? a. I. Which of the following is/are part of accepted cell theory? 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. 13-35 Protective antibodies generated in response to influenza virus bind to _____ of the viral envelope. 2.Consistently demonstrate (leads by example) LIFE . The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. - LD50 is the dose of the toxin that is lethal to half the population. 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. TAP1 or TAP2 e. Listeria monocytogenes. This specifically makes alcohol a ______. Members of a population vary in their level of sensitivity to a toxin. a. X-linked agammaglobulinemia: gamma globulin injections 13-20 Dominant mutant forms of IFNR1 exhibit all of the following in heterozygotes except _____. Which one of the following accurately describes the cause:effect relationship of ultrasound? b) IV 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. A virus does not have a cell wall, nucleus, and eats. ______ 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. ; Patriot Platinum Travel Medical Insurance SM . d. reverse transcriptase. c. matrix protein c. bacteria and yeast Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. 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. 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. IV. b) They can be controlled by the use of antibiotics. c. fall below 1000 cells/l a. 13-44 Listeria monocytogenes replicates in _____ of macrophages after _____. Tests on living animals are more reliable than other tests. Intro to viruses (article) | Viruses | Khan Academy c. smooth endoplasmic reticulum *two answers*, which of the following. e. protease. b. Proviruses consist of double-stranded DNA. c. processing to peptides is not required for T-cell activation 30 seconds. O The presence of an envelope influences viral entry and exit strategies. The measles virus causes nasal and lung infections. 13-47 Which of the following statements regarding inherited immunodeficiency diseases is correct? Compare and contrast the nuclear envelope and the plasma membrane. a. DNA-dependent DNA polymerase; HIV Which statement accurately describes capitalism? Instead, the RBCs look very shriveled up. b) Viruses can replicate independently of their cellular hosts. c. Substances can only pass through the membrane with the help of either active or passive transport proteins. Stop drinking alcohol during pregnancy - Reduced risk of fetal alcohol syndrome. It has not been previously known or has been absent for at least 20 years. host cell indefinitely. Which of these statements correctly describes trends in child mortality? a. Toxoplasma gondii b. the sequence of the conserved X box of the HLA class II promoter b. the cytoplasmic tail is truncated b. d) Reverse transcription would no longer be possible. 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. - dramatically reducing frog populations in many areas O The envelope helps protect viruses exposed to heat and/or detergents. Reference: ref 1 b. chronic granulomatous disease A piece of dialysis tubing has been filled with a cloudy white solution of 5 percent starch, 5 percent egg albumin (protein), and 5 percent glucose (a small sugar) dissolved in water to simulate a cell. a. contain genetic material b. can be killed using antibiotics c. have a cell membrane d. have a protein coat a 5. c. They are acellular. For some toxic substances, a millionth of a gram (an amount invisible to the naked eye) can be lethal. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty Machines | Free Full-Text | Dynamic Modeling and Vibration 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. - caused by a fungus that thrives in cool, moist caves where bats hibernate One important way to control the spread of viruses is through a. the use of vaccines. Eventually, the immune system cannot handle the viral invasion. 7. which one of the following statements is most accurate regarding the c) re-infection by a closely related herpesvirus of a different strain III. 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. 5. f. SCID caused by deficiency of common chain. d) They have little effect on plant growth. Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. They a View the full answer Transcribed image text: Which of the following statements accurately describes the difference between bacteria and viruses? a) Viruses are smaller in size than bacteria. The dose-response curve shown here describes which of these ideas? Viruses have a higher metabolism than bacteria cells. This study aims to present a robust numerical model by . 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? - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? b. T-cell-dependent antibody responses; cell-mediated immune responses Which cell that was viewed is most likely a prokaryote. b. gp120 The measles virus causes brain and skin infections. 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. 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 Which of the following statements about global health trends are true? c. oxygen (O2) 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. - personal ignorance about the hazard b) Replication of their genomes does not involve proofreading. b. polysaccharides, large protein molecules, low-density lipoprotein particles Multiple Choice Q10 Which viruses have single-stranded RNA that acts as a template for DNA synthesis? Which of the following statements accurately describes the measles virus? True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. NADPH oxidase; produce superoxide radical (O-). A cheetah can run 121212 km/h over a 100100100 m distance. The color change does not really tell us anything about the experiment. C. Applying an external force to an enclosed volume of air will allow the air to expand and the volume to decrease. Every living organism is composed of one or more cells, and all living cells have membrane-enclosed organelles. transcriptional regulators of HLA class II loci. These changes, called cytopathic effects, can change cell functions or even destroy the cell. 13-30 Wiskott-Aldrich syndrome involves an impairment of _____. I. 1 litre or 1 centilitre. answer choices. 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. Which of the following accurately describes HIV? 180 seconds. c. nuclear pore. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. 13-48 Individuals with an immunodeficiency affecting B-cell function are more susceptible to infections caused by which of the following pathogens? The estrogen-like compound that acts as a substitute hormone and disrupts gene expression, as shown in the image, is a(n) ______. Microbes acquire resistance to antibiotics through different processes that include random mutations and ______________ reproduction. 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 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. RNA-dependent DNA polymerase; influenza virus