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. c. Most deficiency syndromes are caused by dominant gene defects. b. Pollution - Noise d. HIV is transferred from an infected person to an uninfected recipient The KaK_aKa of nitrous acid, HNO2HNO_2HNO2, is 6.761046.76 \times 10^{-4}6.76104. Drowning Correctly match the environmental disease agent to its example. - 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. You are a microbiologist working with a species of bacteria that can perform photosynthesis. 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. the host cell is turned into a virus. a. the virus inhibits MHC class I expression 13-78 During infection with HIV, a person is said to undergo seroconversion when _____. Chediak-Higashi syndrome caused by the deficiency of CHS1. They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer. Factor related to the organism - Immunological status at the time of exposure to the chemical. 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. It has not been previously known or has been absent for at least 20 years. Which of the following statements correctly describes one difference between vertical and horizontal transmission of plant viruses? c) I b. In which leaf tissues would you expect to find the highest density of chloroplasts? D. A virus does not have a cell, produces carbon dioxide, and uses oxygen. b) Formation of the provirus would be stopped. Excreting water-soluble salts and other substances - Kidneys. 13-66 Which statement regarding retrovirus proviruses is false? Which of the following statements about global health trends are true? 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. 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. c. They stimulate between 2% and 20% of the total T-cell population. Dog bites and bee, wasp, or hornet stings - These have risks between 1 in 46,562 to 1 in 115,111. d) I, Which of the following characteristics is the largest contributor to determining a virus's host range? True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. 13-24 All of the following are X-linked immunodeficiencies except _____. d. inhibition of peptide transport by transporter associated with antigen processing (TAP) c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. Antibiotics for humans are generally ______ in the United States. 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. 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. 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. Our professionals strive to design and deliver high quality human and health services that improve the safety, independence, and well-being of the people of . D. HIV can pass easily from one person to the next through casual contact. Viruses can reproduce on their own at any time. Machines | Free Full-Text | Dynamic Modeling and Vibration answer choices Organism that lives on the cell and causes it harm Something that causes harm to the cell Cell that the virus invades and takes over Question 3 120 seconds Q. Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. Pesticide residue on food - Ingestion (gastrointestinal tract) Why do scientists classify viruses as non-living? c. a mitochondrion. 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. A. DDT is a well-known case of biomagnification in the environment. d. eukaryotic cells . 13-29 Severe combined immune deficiency (SCID) describes a condition in which neither _____ nor _____ are functional. error prone replication of its DNA genome. d. Mycobacterium tuberculosis When you get home you remove the stems and clean them. 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) interference with viral replication Herpes simplex virus infects B lymphocytes. 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). Solubility is important in determining how a substance travels and is absorbed. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? c. Cold sores develop as a consequence of CD8 T-cell killing. 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. 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. 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. HELP ASAP!!!! Which of the following statements accurately describes Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Victim Assistance Program Manager b) IV c. Streptococcus pyogenes 13-56 Bare lymphocyte syndrome leading to a lack of HLA class II molecule expression is due to a defect in _____. c. the use of other types of bacteria. b. Some allergens act directly as ______, and the immune system recognizes them as foreign, stimulating the production of specific antibodies. Solved Which of the following statements accurately | Chegg.com PFCs are persistent chemicals, so they are ______. - spreading worldwide. Registered Nurse Job in Saint Joseph, MI at Trinity Health Colony collapse disorder is a persistent epidemic that affects ___________________. They are much less sensitive to ______ than regular rats, so studies using them are highly suspect. There is nothing that the color change can tell us. a. C1INH 13-34 Which of the following explains why Streptococcus pneumoniae can infect an individual recurrently? 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? e. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. .ESSENTIAL FUNCTIONS1. Developing lung cancer after exposure to radiation - Chronic effect. 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. 13-15 Superantigens bind to all of the following molecules except _____. A virus must use its host-cell processes to replicate. A.) b. sorts proteins and lipids and sends them to their final destination. c) They are rarely spread by insects. d) Reverse transcription would no longer be possible. a. a. Sustainability | Free Full-Text | Influence of Correlation Distance of 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? DOC Virus/Bacteria Quiz - PC\|MAC So, the water osmosed across the plasma membranes out of the radish cells decreasing the turgor pressure inside of the cells and making them crunchier. a. Cell W. b. polysaccharides, large protein molecules, low-density lipoprotein particles a. osmosis. C. A virus does not eat, use energy, or have cells. a. CD4 c. cellular transcription favors the production of HIV-encoded RNA Hazardous substances - These substances are dangerous because they are flammable, explosive, acidic, caustic, irritants, or sensitizers. a. A screen door allows breezes to enter and aromas to exit but keeps out insects. Comparative Study on Socio-Spatial Structures of the Typical Plain c) Reverse transcription would no longer be possible. O The envelope is only found on RNA viruses. c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. The cell should lose weight over time because it is hypotonic to the beaker environment and water will enter the cell through osmosis. Solved Which of the following statements accurately - Chegg b. b. Reactivation of herpesviruses follows stressful incidents. Its function most resembles e. activate : T cells II. b) Negative-sense single-stranded RNA viruses Which of the following statements accurately describes the lysogenic cycle of lambda () phage? kill the host cell immediately, while bacteria maintain life within the . X=111110201X. 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? Which of the following statements accurately describes the concepts of disease and illness? Eventually, the immune system cannot handle the viral invasion. Today health agencies calculate DALYs rather than mortality rates as a measure of disease burden because ______. c. they are able to form stable dimers with the normal form d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? d. creates energy by converting ribosomes to proteins. - suggests a "better safe than sorry" approach of social responsibility to protect the public from harm in the face of scientific uncertainty e. they are unable to transduce signals when bound to the normal form. Which of the following is something bacteria and viruses have in common? UPSC Prelims and Mains Exam - 2nd March 2023 - IASbaba 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 ? Which of the following statements accurately describes the natural history of a disease? 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. When it acts on target cells, it enhances the engulfment and killing of bacteria. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. Developing radiation sickness after exposure to radiation - Acute effect Members of a population vary in their level of sensitivity to a toxin. Small fish eat zooplankton 180 seconds. Which of the following accurately describes HIV? a. 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. d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. c. receptor-mediated endocytosis. However, that does not imply that low doses of any toxin is good for health. Both membranes are selectively permeable and have pores. The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. Which of the following statements accurately describes the difference between the way bacteria cause diseases and the way that viruses cause diseases? 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. DNA-dependent DNA polymerase; influenza virus c. The cell should gain weight over time because it is hypertonic to the beaker environment and water will enter the cell through osmosis. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. Potential routes of exposure to toxins in the environment. a. Toxoplasma gondii Which of the following statements are reasonable conclusions that can be drawn from a recent headline that announced the discovery of 23 pesticides in 16 food samples? What does the saying "the dose makes the poison" mean? Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? b. susceptibility to Neisseria - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? a. What factors make emergent diseases a special problem? Which of the following statements most accurately describes a selectively permeable membrane? Show transcribed image text The majority of the SMC is . e. The capsular polysaccharide antigens of S. pneumoniae do not induce immunological memory. a. a virus-encoded Fc receptor Nearly all substances are toxic depending on the amount, delivery rate, and method. d. carbohydrates. The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. True or false: Most people in industrialized nations have PFC residues (perflurooctanoic acid) in their blood. Match the concentrations of DDT to where that concentration might be found based on the level of biomagnification. c. Wiskott-Aldrich syndrome protein (WASP) a. CD18; produce cell adhesion molecules b. channel proteins These special proteins tell the white blood cells those bacterial cells do not belong to that particular human and to phagocytize (eat) them. b. the sequence of the conserved X box of the HLA class II promoter d) viroid CareCloud Reports Record Full Year 2022 Results 13-19 Which of these characteristics is not true of IFN-? 0.003 ppb - DDT in water 4. 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. Which of the following statements accurately describes the measles virus? answer choices Viruses are much smaller than bacteria cells. They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. b. it founded the plymouth colony under a proprietary governor. Microbes acquire resistance to antibiotics through different processes that include random mutations and ______________ reproduction. d) II. To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory Yes; without organelles, prokaryotic cells cannot photosynthesize or respire. Substances that cause invasive, out-of-control cell growth resulting in tumors are called ______. The students placed an X for each structure that was viewed for each cell on the table shown. The project is the solution towards mitigating scams and rugpulls. a. lymphocytes and platelets d. They cause excessive synthesis and release of cytokines. d. the use of antibiotics. ______ 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. Match the term with its correct definition. 2019 Electrotherapy Unit III Ultrasound Quiz.docx 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. There are 4 serotypes of the virus . At times we lack the medicines with which to treat them, as some emergent diseases are caused by drug-resistant strains of a pathogen. a. effective at minuscule concentrations c) II Hydraulic structures, e.g., sluicegates and pumping stations, can directly influence flooding processes and should be represented in flood modeling and risk assessment. 13-43 Which of the following is not used by the herpes simplex virus to subvert host immune responses? 13-38 The mode of evolution responsible for the production of recombinant influenza viruses composed of a genome derived from two different influenza variants is called _____. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. 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: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. a. c. it gave the pilgrims their own charter. - Diet-related obesity can lead to illnesses such as diabetes and cardiovascular disease. They may contain genomic DNA or RNA. A. HIV is deadly, but doesn't target key cells in the immune system. Auditing CIS Reviewer - adt - AUDITING IN A COMPUTERIZED ENVIRONMENT - Allergens act as antigens and stimulate the production of specific antibodies. 120 seconds. c. nucleic acids. b. classical complement and blood-clotting pathways d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. c) re-infection by a closely related herpesvirus of a different strain b. The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. f. SH2D1A. The field that specifically deals with the interactions, transformation, fate, and effects of natural and synthetic chemicals in the biosphere, including individual organisms, populations, and whole ecosystems is ______. Which of the following statements accurately describes plant virus infections? BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. Exposure to background radiation, like from radon gas - Chronic exposure a. classical; alternative pathways of complement Which of these best describes a virus? c. They must make sure the results were not an accident and that they are repeatable. A metabolic poison that specifically attacks nerve cells is a _______________. a. lipids. 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. . Use unequal arrows to indicate whether reactants or products are favored. Chemicals or other factors that specifically cause abnormalities during embryonic growth and development are called ___________________. Which of the following statements about viruses is false? Exposure to radiation during an x-ray for a broken foot - Acute exposure a. exocytosis d. massive production of IL-2, IFN-, and TNF- Car accidents and firearm assaults - These have risks between 1 in 103 to 1 in 285 They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. 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. c - Dose must be above a threshold level before anyone in the population shows a response which suggests the presence of some defense mechanism against the harmful effects of the toxin. d. They are obligate intracellular parasites. C.) A virus is nonliving because it lacks an organelle that allows movement. 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. 2.Consistently demonstrate (leads by example) LIFE . Instead, the cells are only able to reproduce once inside a host cell. Viral genomes consist of what type of nucleic acid molecules? 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. One important way to control the spread of viruses in through answer choices the use of vaccines drinking a lot of tea 13-9 Which of the following statements regarding herpes simplex virus is false? Using this kind of framing camera to diagnose the internal hot spot causes the light emitted from the same point in the target to appear at different positions on different frames, resulting in framing images that cannot accurately judge the evolution process of implosion, which seriously affects the accuracy of the measurements. d. There will be no net movement of water because the solutions are isotonic. Viruses have a higher metabolism than bacteria cells. 13-45 Which of the following is not a characteristic of staphylococcal enterotoxins? a 4. d. hereditary angioedema: C1INH infusions 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. 3. 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. So, excluding these clients from both years, we would have recorded revenue growth of 7% in 2022.". a. the machine that assembles a product c. a prokaryotic cell without a nucleus. Which of the following statements accurately describes a difference between viruses and bacteria? possibility of suffering harm or loss resulting from a given action, process of estimating the threat a particular hazard poses to human health. 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. Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. d. Both membranes consist of two concentric phospholipid bilayers and neither is selectively permeable or has pores. - demand protection from every potentially harmful contaminant or accept some exposure as our bodies can repair some damage b) Viruses can replicate independently of their cellular hosts. Larger fish eat smaller fish A virus is living because it has an envelope that acts like a cell membrane.