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Fetal alcohol syndrome is a pattern of mental and physical defects that can develop in a fetus when a mother drinks alcohol during pregnancy. c. facilitated diffusion 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. Instead, the RBCs look very shriveled up. Our goal is to let community members put their participance into new projects with confidence. b. Staphylococcus aureus c. nucleic acids. A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. 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 two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. Other duties may be assigned as deemed necessary or appropriate by management. O Enveloped viruses do not have protein spikes. Chytridiomycosis (or chytrid fungus) is an ecological disease that affects amphibians and is ______. Dialysis tubing is a selectively permeable membrane that can be filled with a solution to simulate a cell. What is the most plausible explanation for the appearance of the blood cells on your slide? III. 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. d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria. All of the answers given. They produce proteins used by other parts of the cell. DOC Virus/Bacteria Quiz - PC\|MAC They contain a protein coat called a capsid. The radish cells were hypertonic to the water in which they were soaking. d. pinocytosis. Solubility is important in determining how a substance travels and is absorbed. The idea that a small amount of radiation may stimulate DNA repair, whereas a large amount of radiation causes cancer, is an example of _____________________. Toxins - Lead 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. c) viroids The possibility of suffering harm or loss resulting from a given action is referred to as ______. b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids 6. A virus has a cell, a nucleus, and does not eat. One of the differences between bacteria and viruses is that : a. viruses are living and bacteria are non -living . c. hereditary angioedema d. RAG1 or RAG2 Which of the following statements accurately reflect how allergens affect us? a. c. it gave the pilgrims their own charter. Biomagnification, in the case of a fish-eating osprey, refers to the fact that the ______. If the concentration of sugar molecules in water on side "A" of a selectively permeable membrane is 5 percent, and the concentration of sugar molecules in water on side "B" of a selectively permeable membrane is 15 percent, which way will the water move and why? - dramatically reducing frog populations in many areas c. Haemophilus influenzae b. X-linked hyper IgM syndrome stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. b. C3 Though categorizing toxins based on potency is useful, it is complicated by differences in individual and species reactions to particular chemicals. d. eukaryotic cells . 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 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. HIV is transferred from an infected person to an uninfected recipient A. The heaviest burden of illness is borne by ______. a) III Biology Test 1 Chapter 4 Flashcards | Quizlet answer choices Viruses are much smaller than bacteria cells. c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. Which of the following is/are part of accepted cell theory? Viruses are much smaller than bacteria cells. b. b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. B) Most of the prophage genes are activated by the product of a particular prophage gene. Indoor and outdoor ______________ pollution contributes to millions of deaths every year. (Use only one word per blank.). Our 2021 revenue of $139.6 million would have been $118.1 million excluding these clients, and our 2022 revenue without these clients was $126.7 million. a. Solutes are never able to cross the membrane. Solution The correct option is D photosynthesis uses solar energy to convert inorganics to energy-rich organics; respiration breaks down energy-rich organics to synthesize ATP Photosynthesis makes the glucose that is used in cellular respiration to make ATP. Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? 13-33 Patients who lack _____ are very susceptible to infections with intracellular bacteria, including the ubiquitous nontuberculous strains of mycobacteria. BIO182 Chapter 19 MasteringBiology Homework, David N. Shier, Jackie L. Butler, Ricki Lewis, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine. a. the cell wall When you get home you remove the stems and clean them. 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? Developing radiation sickness after exposure to radiation - Acute effect 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. e) Viral genomes mutate rapidly. c. the garbage truck that hauls away the wastes produced as a product is made d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. Which of the following is/are part of accepted cell theory? 13-21 Individuals with an antibody deficiency are more susceptible to infections by all of the following except _____. 13-45 Which of the following is not a characteristic of staphylococcal enterotoxins? A. B. d. The radish cells were hypotonic to the water in which they were soaking. 13-2 _____ results when a gene affecting the immune system mutates, thereby compromising the body's defense against infection. Choose the statement that correctly describes HIV and HBV. - personal ignorance about the hazard d. RAG-1 or RAG-2 True or false: Most people in industrialized nations have PFC residues (perflurooctanoic acid) in their blood. 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. 13-7 Genes encoding _____ rearrange in trypanosomes permitting replication and survival of the pathogen until the host produces an antibody response against the altered gene product. 13-25 Deficiencies in complement components C5-C9 and properdin (factor P) are associated with _____. Which of the following statements accurately describes the natural Stop drinking alcohol during pregnancy - Reduced risk of fetal alcohol syndrome. d. carrier proteins. c. variable surface glycoprotein (VSG) e. cytokine and cytokine receptor production. d. massive production of IL-2, IFN-, and TNF- e. activate : T cells d. carbohydrates. a) Viruses are smaller in size than bacteria. - For most people, a 1 in 100,000 chance of dying from some risk factor is often a threshold for changing what they do. - Mutagens are agents such as chemicals or radiation that damage DNA. True or false: Conservation medicine refers to efforts by biologists to treat sick or injured wildlife. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. - Age affects susceptibility to toxins, as chemicals that might be relatively harmless to adults may be dangerous to young children. 34 Questions Show answers. a. Which of the following are environmental disease (health) agents? e. The capsular polysaccharide antigens of S. pneumoniae do not induce immunological memory. 13-18 Which of the following is not associated with bacterial infection due to a genetic defect in or pathogen-induced subversion of normal phagocytic processes? Which of the following statements accurately describes the - Weegy They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. a. it created the massachusetts bay colony. Which of the following statements accurately describes plant virus infections? This series recruitment will close on March 28, 2023, at 11:59 pmTHIS POSITION IS ELIGIBLE FOR APPOINTMENT AT STEP 1, $66,164.80. b. a virus-encoded complement receptor Check all that apply. Virus b. Examine the figure below. c. semipermeable c. Wiskott-Aldrich syndrome protein (WASP) Response curve representing a constant rate of response with increasing doors - Line b - They are both caused by viruses. Which of the following describes a 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. ______ 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. The next day the radishes are crisp and crunchy again. What general type of membrane are you observing? Can you add thermal energy to an object without increasing its temperature? d. myeloperoxidase 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. 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 ______. 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. c. smooth endoplasmic reticulum However, a huge health scare in Flint, Michigan, occurred in 2016 when children were exposed to lead through ______. c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. b. The measles virus causes mouth and gum infections. Sensors | Free Full-Text | Multilayer Model in Soil Moisture Content When it acts on target cells, it enhances the engulfment and killing of bacteria. These individuals, who generally communicate through sign language, are an integral part of our society, and their contribution is vital. b. the cytosol; escaping from the phagosome HELP ASAP!!!! Which of the following statements accurately describes Ospreys eat larger fish. 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. Which of these is not a consideration of toxicology? e. Listeria monocytogenes. Biomagnification occurs because of bioaccumulation. A factory with an office that controls the information sent to separate rooms for each of the manufacturing and shipping processes would be analogous to c. They are acellular. They are repelled by the hydrophilic heads of the phospholipids that form the phospholipid bilayer. The Golgi apparatus Which statement most accurately describes a virus? From what substance do liposomes spontaneously form and why are they important? Why? e. They induce suppression of the immune response by causing T cells to undergo apoptosis. C. Applying an external force to an enclosed volume of air will allow the air to expand and the volume to decrease. - Policy decisions about toxins must address how such materials affect not just humans but also organisms that define and maintain our environment. Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? c. lymphoproliferative syndrome caused by deficiency of SH2D1A 13-4 The serotypes of Streptococcus pneumoniae differ in their _____. b) Vertical transmission is the transfer of DNA from one type of plant virus to another, and horizontal transmission is the exchange of DNA between two plant viruses of the same type. 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. The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. b. virus cells . To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory d. the plasma membrane, Using the compound light microscope in the lab room, you observe a wet mount slide preparation. 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) proviruses. Which of the following statements about chronic and acute exposure and effects are correct? 1. 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? Are prokaryotic cells at an evolutionary disadvantage because they lack organelles? A: Answer- Virus is a submicroscopic infectious agent that is non-living outside the cell and living. 1. - Data on which chemicals are endocrine disrupters are not definitive. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. d) flare-ups occur when dormant viral proteins attack new cells d. C5-C9; defend against Neisseria a. Antigenic drift; antigenic shift c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. Viruses can reproduce only using a host cell. Dicamba - Used as an herbicide; a plant hormone 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. Viral genomes consist of what type of nucleic acid molecules? In environmental toxicity studies, when an interaction between two substances results in one of them exacerbating the effects of another by 20-fold it is called a(n) ______ interaction. c) membrane I. a. epidermis Detoxification - Liver The 2014 epidemic of ______ in western Africa infected approximately 20,000 people and killed 8,000. What factors make emergent diseases a special problem? 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 c. converts sunlight into chemical energy. the virus uses the host cell to replicate itself. a. channel proteins d. No; eukaryotic organelles are expelled each time the cell divides. Which of the following statement accurately characterize prediabetes? Excreting water-soluble salts and other substances - Kidneys. c. oxygen (O2) c. captures energy from sunlight and sends it to the mitochondria. Setting environmental health policy is challenging because ______. Eradication of diseases such as polio or smallpox. If you already knew that the infectious agent was either bacterial or viral, select all the treatments that would allow you to distinguish between these two possibilities. How would the affect the HIV infection cycle? After soaking in the yellow iodine-water solution for one hour, the cell is once again weighed. Every living organism is composed of one or more cells, and all living cells have membrane-enclosed organelles. 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. A virus is living because it has DNA that stores genetic information. What characteristics define an emergent disease? 13-14 Epstein-Barr virus-infected cells are poor targets for CD8 T-cell killing because _____. 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. b. Which of the following statements accurately explains why tissue repair mechanisms may make those tissues more susceptible to cancer? One important way to control the spread of viruses in through answer choices the use of vaccines drinking a lot of tea The estrogen-like compound that acts as a substitute hormone and disrupts gene expression, as shown in the image, is a(n) ______. Which of these best describes a virus? b) Negative-sense single-stranded RNA viruses Biology Test 2 Flashcards | Quizlet 120 seconds. b. fall below the CD8 T-cell count 13-35 Protective antibodies generated in response to influenza virus bind to _____ of the viral envelope. b) removal of viral mRNAs 13-22 When deficient, which of the following proteins does not render the individual more susceptible to encapsulated bacteria? Antiviral drugs that have become useful are usually associated with which of the following properties? d) They have little effect on plant growth. b. Which of the following statements accurately describes plant virus infections? d. inhibition of peptide transport by transporter associated with antigen processing (TAP) b. simple diffusion B. c. spongy mesophyll Answered: Which of the following statements | bartleby Which of the following is a reasonable and possible explanation of the experimental results? Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? We assert that combining expertise . b. Reactivation of herpesviruses follows stressful incidents. They may contain genomic DNA or RNA. Viruses Furr | Other Quiz - Quizizz 13-20 Dominant mutant forms of IFNR1 exhibit all of the following in heterozygotes except _____. Asbestos workers who smoke, however, have a 400-fold increase in cancer rates. d. Anti-capsular antibodies are cleared from the host quickly after an active infection. Large molecules are always excluded from crossing the membrane. a) It uses viral RNA as a template for DNA synthesis. a. smooth ER c. lysosome This virus attacks the white blood cells (immune cells) of the human body. b. Toll-like receptors (TLRs) This is because, unlike toxic substances, hazardous materials ______. Allergens are substances that affect us by ______. A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms.. 25 ppm - Ospreys. **see figure. d. the use of antibiotics. a. HIV variants convert from macrophage-tropic to lymphocyte-tropic late in infection d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. b. sorts proteins and lipids and sends them to their final destination. Match the following causes of death with the lifetime chance of dying that way in the United States. a. - Pesticide residues are not necessarily harmful, for a substance produces a harmful effect only if it reaches within the body in a high enough dose. 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. c. herpes zoster - Allergens activate the immune system. b. diffusion.