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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. a) the proteins on the viral surface and that of the host cell membrane The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. Allergens are substances that affect us by ______. They cause T cells to divide and differentiate into effector T cells. Which of the following statements correctly describes one characteristic of the lytic cycle of viral replication? b. Where is the most likely place that enzymes needed for cellular respiration are anchored and functioning? Why do these antibiotics not work to kill viruses and cure people of viral infections? c) Positive-sense single-stranded RNA viruses ______ 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. 13-10 Which of the following is not associated with the reactivation of herpesviruses? 13-4 The serotypes of Streptococcus pneumoniae differ in their _____. 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). a. the phagosome; inhibition of fusion of the phagosome with the lysosome kill the host cell immediately, while bacteria maintain life within the . Large molecules are always excluded from crossing the membrane. a worldwide (or very widespread) epidemic. d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation. 13-12 Shingles is associated with infection by _____. Zooplankton consume DDT - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. B. 13-42 Epstein-Barr virus infects and establishes latency in _____, gaining entry by binding to _____. b) the enzymes carried by the virus Which aspect of antibiotic resistance development in microbes is depicted in this image? In which leaf tissues would you expect to find the highest density of chloroplasts? c. variable surface glycoproteins a. facilitated diffusion. d. cytosol. A virus must use its host-cell processes to replicate. Which of the following is not a concern of environmental toxicology? Cancer Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? A. e) Retroviruses. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. mutations are introduced into the virus. This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. Why do scientists classify viruses as non-living? Which viruses have single-stranded RNA that acts as a template for DNA synthesis? - Reduced cancer risk Toxins - Lead They are only capable of reproducing once inside a living host cell. c) Reverse transcription would no longer be possible. 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. d. the use of antibiotics. stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. Traditional reliability design methods describe the dispersion degree of soil parameters with their point variance without considering the influence of correlation distance. 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. Lead was banned from gasoline and paint in the 1970s and health problems associated with its exposure have dropped significantly since then. e. Extracellular bacterial infections are common in deficiency syndromes with T-cell defects. - Differences between acute and chronic exposures - personal ignorance about the hazard 13-15 Superantigens bind to all of the following molecules except _____. a. immune-complex disease 13-47 Which of the following statements regarding inherited immunodeficiency diseases is correct? transcriptional regulators of HLA class II loci. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. b. simple diffusion b. C3 D) Illness is a normal process that affects level of functioning. Exposure to radiation during an x-ray for a broken foot - Acute exposure 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. a. Which of the following is an example of a synergistic effect? b) They can be controlled by the use of antibiotics. d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? CD19 CAR antigen engagement mechanisms and affinity tuning How do these molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment? Intro to viruses (article) | Viruses | Khan Academy Question 33. The County of San Diego Announces an Excellent Entry Level Professional Opportunity AIR QUALITY INSPECTOR I Interviews will take place the week of April 24, 2023. b. 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____. 1. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. 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 This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. b. polysaccharides, large protein molecules, low-density lipoprotein particles a) enter a replicative cycle that does not kill the host cell. C. Viruses contain organelles while bacteria cells do not. Hepatitis C Virus Infection in US States and the District of Columbia 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. Choose ALL that apply. a) bacteriophages B. HIV is able to hide from the immune system. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. 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. d) flare-ups occur when dormant viral proteins attack new cells a. I would expect to find the photosynthetic enzymes in the chloroplasts of the bacteria. A virus is living because it has DNA that stores genetic information. Which of these statements correctly describes trends in child mortality? stable, they do not degrade easily and have become extremely widespread in the environment. a. Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) Examine the figure below. b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids Which statement most accurately describes a virus? A.) A virus is Response - Vertical (y) axis a. X-linked agammaglobulinemia: gamma globulin injections Auditing CIS Reviewer - adt - AUDITING IN A COMPUTERIZED ENVIRONMENT Which of the following types of organisms are commonly single-celled (unicellular)? - Data on which chemicals are endocrine disrupters are not definitive. bio virus and bacteria Flashcards | Quizlet The measles virus causes nasal and lung infections. d. superantigens This is an example of 13-16 All of the following are associated with superantigens except _____. a. C1INH d. Pandemics; epidemics. c. facilitated diffusion answer choices Viruses can eat and metabolize food. 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. d. RNA-dependent DNA polymerase; influenza virus We assert that combining expertise . b. the sequence of the conserved X box of the HLA class II promoter Which of the following statements accurately describes plant virus infections? a. c. a mitochondrion. a. neuraminidase UPSC Prelims and Mains Exam - 2nd March 2023 - IASbaba 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. With the first bite, you notice their texture is not as crisp and crunchy as you like. 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. b. hemagglutinin a) Viruses are smaller in size than bacteria. - The U.S. EPA estimates that 200 million Americans live in areas where cancer risk from environmental carcinogens is ten times higher than normal. Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. Write the equation describing the equilibrium established when HNO2HNO_2HNO2 reacts with NH3NH_3NH3. Which Statement Accurately Describes Capitalism? - WHICH FGE Larger fish eat smaller fish d. Mycobacterium tuberculosis They are often harmful even in extremely dilute concentrations We perceive risk differently, depending on control, interests, or context. - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. DOC Virus/Bacteria Quiz - PC\|MAC They are recycled by endocytosis more quickly than the normal receptor. d) Reverse transcription would no longer be possible. Eventually, the immune system cannot handle the viral invasion. c. a specialized membrane-bound vesicle; infection of the cell Determine the average shear stress on the wetted perimeter of this channel. a. Proviruses form immediately after the RNA genome assembles with viral proteins and infectious virions are produced. 13-44 Listeria monocytogenes replicates in _____ of macrophages after _____. - dramatically reducing frog populations in many areas a. osmosis b. classical complement and blood-clotting pathways Electrotherapy Unit III PTA Ultrasound Quiz 1. Developing radiation sickness after exposure to radiation - Acute effect 20. Chloropyrifos - Used as a pesticide You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. Which of these is not a consideration of toxicology? There are 4 serotypes of the virus . 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? 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. 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. 13-50 Which of the following deficiency syndromes affects T-cell but not B-cell function? O The presence of an envelope influences viral entry and exit strategies. d. carrier proteins. 180 seconds. b. the plasma membrane. Which of the following statements accurately describes the - Weegy D. Viruses reproduce asexually while bacteria cells reproduce sexually. Match each type of substance to its characteristic. Other IMG plans that may be of interest. Answered: Which of the following is NOT a core | bartleby e. B cells; EBNA-1. d. The radish cells were hypotonic to the water in which they were soaking. - The dose makes the poison. b. protease d) viroid B) Most of the prophage genes are activated by the product of a particular prophage gene. a. lymphocytes and platelets Random genetic mutations create antibiotic-resistant individuals that survive and multiply to develop into an antibiotic-resistant colony. The radish cells were hypotonic to the water in which they were soaking. A mutation in the gene encoding the integrase enzyme (the protein that inserts the dsDNA into a host cell's DNA) renders the protein non-functional. Viruses are much smaller than bacteria cells. a) They can be controlled by the use of antibiotics. 0.5 ppm - Small fish c. Cold sores develop as a consequence of CD8 T-cell killing. An amoeba, a protozoan that moves by pseudopodia, approaches a smaller protozoan and extends its pseudopodia (extensions of cytoplasm in plasma membrane) around the smaller protozoan. c. phagocytosis. Which of the following statements about chronic and acute exposure and effects are correct? Developing lung cancer after exposure to radiation - Chronic effect. However, that does not imply that low doses of any toxin is good for health. c. nucleic acids. a. CD18; produce cell adhesion molecules Once the amoeba's pseudopodia completely surrounds the other protozoan, the amoeba's plasma membrane pinches off by folding back into the amoeba and creating a vesicle containing the smaller protozoan. The radish cells were hypertonic to the water in which they were soaking. Increased frequency:decreased depth of penetration C. Increased blood flow:greater temperature increase D. Increased water content:increased ultrasound absorption Viruses can reproduce on their own at any time. A change in the pressure of a gas results in a more significant change in volume than it would in a liquid. I. Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. d. The RBCs were hypertonic to the saline; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. a. Epstein-Barr virus b) enter a replicative cycle that kills the host cell. e. MHC class II. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. Can you add thermal energy to an object without increasing its temperature? b. Haemophilus influenzae All toxic substances are hazardous, but all hazardous substances are not toxic. a. is the site where lipids destined for other cellular compartments are manufactured. c. fall below 1000 cells/l CareCloud Reports Record Full Year 2022 Results c) viroids d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria. 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 When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. Morbidity refers to _____________, whereas mortality refers to ____________. c. herpes zoster State of Colorado Job Opportunities | State Job Opportunities This problem has been solved! A virus is living because it has an envelope that acts like a cell membrane. b) They can be spread via the plasmodesmata. What phenomenon has occurred to the perfume molecules that have entered the air? This could be best used as a simple model for 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. d) They have little effect on plant growth. Which of the following statements accurately describes plant virus infections? The color change does not really tell us anything about the experiment. 6 Tco 1 Which Statement Best Describes A Capitalist. Every living organism is composed of one or more cells, and all living cells have membrane-enclosed organelles. e. thymic development. a. Its function most resembles 5. A) A disease is traditionally diagnosed and treated by a nurse. - spreading worldwide. They are slippery, heat-resistant, and durable. d. myeloperoxidase A. e. They induce suppression of the immune response by causing T cells to undergo apoptosis. System management program c. Utility program d. Encryption. Dialysis tubing is a selectively permeable membrane that can be filled with a solution to simulate a cell. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. C. A virus does not eat, use energy, or have cells. A) After infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. A. Gases expand very easily due to a property called compressibility. a. smooth ER c. lysosome Neither membrane is selectively permeable or has pores. c. infected cells do not express any viral proteins during latency b. What does the image depict in the context of environmental toxicology? Which of the following statements accurately describes the natural history of a disease? c. they are able to form stable dimers with the normal form a. is the site where lipids destined for other cellular compartments are manufactured. How would the affect the HIV infection cycle? 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. a) III B. Which of the following statements accurately describes the path of Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? A.) c. Wiskott-Aldrich syndrome protein (WASP) - Combined effects of exposure to multiple toxins. *two answers*, which of the following. The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. a. Wiskott-Aldrich syndrome caused by deficiency of WASP II. a. water (H2O), carbon dioxide (CO2), oxygen (O2) 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. It may last a few seconds or a few hours. d. properdin (factor P) III. 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 Spatial variability of soil parameter distribution is crucial to calculating the pile foundation failure probability. b. Answered: Which of the following statements | bartleby Phospholipids are large organic molecules with a ________, polar phosphate head connected to ________, nonpolar fatty acid tails. When it acts on target cells, it enhances the engulfment and killing of bacteria. d. neurons; MHC class I Viruses and Bacteria | Science Quiz - Quizizz d. stores water, nutrients, and enzymes. Nearly all substances are toxic depending on the amount, delivery rate, and method. Choose the following statement that most accurately describes viruses. Applied Sciences | Free Full-Text | A Machine Learning Based Full - People tolerate familiar risks, despite the high probability of harm, because they often downplay the risk associated with familiar activities. Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. d. Both membranes consist of two concentric phospholipid bilayers and neither is selectively permeable or has pores. 30 seconds. 13-29 Severe combined immune deficiency (SCID) describes a condition in which neither _____ nor _____ are functional. b. purine nucleotide phosphorylase (PNP) e. C3; opsonize capsulated bacteria. d. 3. In the graph shown, match each dose-response curve with what it represents about the possible response at low doses of exposure to a toxin. 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 ______. Many important cellular functions in eukaryotic cells occur within membrane-enclosed organelles, such as cellular respiration occurring within the mitochondria. 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. d. eukaryotic and animal. b. Members of a population vary in their level of sensitivity to a toxin. Virus Infections and Hosts - Introductory Biology: Evolutionary and d. There will be no net movement of water because the solutions are isotonic. True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. 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. e. nucleus; fusion with the nuclear membrane. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". Answered: Which of the following statements | bartleby c) membrane Excreting water-soluble salts and other substances - Kidneys. - Most people will tolerate a higher probability of occurrence of an event if the harm caused by that event is low. True or false: According to the World Health Organization (WHO) definition of health, we are all ill to some extent. Which statement is incorrect regarding internal control in personal computer environment? 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 Viral genomes consist of what type of nucleic acid molecules? e) proviruses. a. Students use a microscope to look for structures present in four different cells. Heart disease and cancer - These have risks of 1 in 6-7 c. the use of other types of bacteria. 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. c. X-linked hyper IgM syndrome: gamma globulin injections - The chemical industry disputes the need for testing, and industry-funded scientists point to contradictions and uncertainties in published studies. Match the following causes of death with the lifetime chance of dying that way in the United States. c. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "B." d. pinocytosis. 1. d) Double-stranded RNA viruses Job offers for selected candidates will be made the week of May 1, 2023. The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. What is the determined cause of colony collapse disorder? c. It activates the JAK-STAT signal transduction pathway after binding to its cognate receptor. c. nuclear pore. The boundary that surrounds the contents of the nucleus is the What is this speed in meters per second? b. If each sugar molecule represents a percentage point of sugar dissolved in the solution, what change would you expect to see in the solution level over time and why? b. X-linked hyper IgM syndrome: GM-CSF injections d. phagocytosis. e. capsular polysaccharide. A variety of respiratory diseases in humans can be caused by adenoviruses. 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. a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. b. Which of the following statements accurately describes the process of DNA replication? c. captures energy from sunlight and sends it to the mitochondria. 4. c. active transport Solved Which of the following statements accurately | Chegg.com X=111110201X. b. osmosis. This decision of the FDA was based on ______. b) enter a replicative cycle that kills the host cell. Which of the following statements accurately describes the properties of gases? Dog attacks. (Use only one word per blank.). 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. Biology Semester 1 Review | Biology Quiz - Quizizz A metabolic poison that specifically attacks nerve cells is a _______________. e. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. 2.Consistently demonstrate (leads by example) LIFE . Glyphosate - Used as an herbicide, Roundup Dose (amount of experience) - Horizontal (x) axis True or false: Ecological diseases refer to infectious diseases that strictly affect wildlife or cause damage to habitats. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. 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.