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b. prokaryotic and animal 120 seconds. a) enter a replicative cycle that does not kill the host cell. O The presence of an envelope influences viral entry and exit strategies. X=111110201X. b. purine nucleotide phosphorylase (PNP) Which of the following processes can be effective in preventing the onset of viral infection in humans? 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. In 1973, the FDA required that cancer-causing compounds must not be present in meat at concentrations that would cause a cancer risk greater than 1 in a million lifetimes. Zooplankton consume DDT Where in the bacteria would you expect to find the enzymes needed to perform photosynthesis? b. bacteria are living and viruses are non -living . Members of a population vary in their level of sensitivity to a toxin. Both membranes are selectively permeable and have pores. You are a microbiologist working with a species of bacteria that can perform photosynthesis. The following regions were not resolved in the cryo-EM map and so were omitted from the atomic model: residues 146 to 160 corresponding to the GS linker in the FMC63 scFv and residues 21 to 22, 40 to 46, 133 to 152, and 175 to 184 corresponding to flexible loops in CD19. What is the current concern with using Sprague-Dawley rats in toxicology studies? The Zika virus is most commonly transmitted by. d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. 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? d. RNA-dependent DNA polymerase; influenza virus Which of the following organelles would you expect to be especially abundant in muscle cells? c. herpes zoster b. the sequence of the conserved X box of the HLA class II promoter B. Show transcribed image text c) viroids a. effective at minuscule concentrations d. myeloperoxidase Determine the average shear stress on the wetted perimeter of this channel. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. c. the ER lumen. O The envelope is only found on RNA viruses. c. nuclear pore. These changes, called cytopathic effects, can change cell functions or even destroy the cell. 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. d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria. Why do these antibiotics not work to kill viruses and cure people of viral infections? a. (Use just one word for your answer.). b. the chromosome b. hemagglutinin Question 1. After soaking in the yellow iodine-water solution for one hour, the cell is once again weighed. The saline you used was isotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane into and out of the cells at an equal rate. They readily mix with the hydrophobic tails forming the core of the phospholipid bilayer. 13-37 An epidemic affects _____, whereas a pandemic affects _____. Viruses have a higher metabolism than bacteria cells. What do you expect to happen to the weight of the cell over time and what can you deduce from the color change? - The chemical agent is not biodegradable and thus is persistent in the environment. d. cytosol. They are often harmful even in extremely dilute concentrations Which statement is incorrect regarding internal control in personal computer environment? Yes; without organelles, prokaryotes are unable to bring together the reactants needed for biological reactions. e) Viruses can replicate independently of their cellular hosts. Mortality rates are reduced by the administration of antibiotics to affected individuals. 13-32 A deficiency in _____ causes a condition that closely resembles X-linked severe combined immunodeficiency and is characterized by inefficient cytokine signaling. c. X-linked lymphoproliferative syndrome e. They induce suppression of the immune response by causing T cells to undergo apoptosis. - dramatically reducing frog populations in many areas 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. a) III c. secondary immunodeficiency diseases 13-48 Individuals with an immunodeficiency affecting B-cell function are more susceptible to infections caused by which of the following pathogens? a) interference with viral replication 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. CD40 ligand - Endocrine disrupters may interfere with growth and development. 7. d. T-cell receptor V chain. Viruses are very diverse. B) Most of the prophage genes are activated by the product of a particular prophage gene. This specifically makes alcohol a ______. Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. b. c. Streptococcus pyogenes c. fall below 1000 cells/l 13-40 Which of the following is not a virus that can cause a persistent infection in the host by establishing latency? Examine the figure below. Radiation - UV rays. Yes; without organelles, prokaryotic cells cannot photosynthesize or respire. The Office of Justice Services (OJS), within the Bureau of Indian Affairs (BIA), is searching for an individual to serve as a Victim Assistance Program Manager. d. carbon dioxide (CO2), b. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids. d. HIV is transferred from an infected person to an uninfected recipient They cause T cells to divide and differentiate into effector T cells. c. Haemophilus influenzae b. I would expect to find the photosynthetic enzymes associated with the plasma membrane of the bacteria. question 2 5 out of 5 points which statement accurately describes capitalism? However, some sugar molecules are too large to pass through the membrane either way without the assistance of passive transport proteins. anti-HIV antibodies are detectable in their blood serum. Which of the following applies to ecological diseases? d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. Colony collapse disorder is a persistent epidemic that affects ___________________. - The dose makes the poison. b. gp120 c) Vertical transmission is the spread of viruses from the upper leaves to the lower leaves of the plant, and horizontal transmission is the spread of a virus among leaves at the same general level. Why? a. channel proteins 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. For some toxic substances, a millionth of a gram (an amount invisible to the naked eye) can be lethal. Culture the substance by itself on nutritive medium, away from any plant cells. 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. 2.Consistently demonstrate (leads by example) LIFE . Which of the following statements accurately describes how viruses reproduce? d. integrase A solid waste (garbage) transfer facility that sorts and breaks down garbage into recyclables and waste to be thrown away in the landfill would be a suitable analogy for which cellular organelle? b) enter a replicative cycle that kills the host cell. Which one of the following accurately describes the cause:effect relationship of ultrasound? a. LFA-3 Which of the following are true about the effects of exposure to carcinogens? Which of the following is an example of a synergistic effect? - 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. 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. 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. Adopting the precautionary principle in regulating environmental toxins ______. Which of the following types of organisms are commonly single-celled (unicellular)? d. completely permeable, Which of the following would be likely to require facilitated diffusion to move across the plasma membrane? 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. Proviruses form immediately after the RNA genome assembles with viral proteins and infectious irons are produced, 13-68 The pol gene of HIV produces all of the following except _____. b. protease A majority of the MRSA (methicillan-resistant Staphylococcus aureus) infections recorded in 2011 were related to ______. The boundary that surrounds the contents of the nucleus is the Which of the following characteristics is the largest contributor to determining a virus's host range? Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) 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. Key points: A virus is an infectious particle that reproduces by "commandeering" a host cell and using its machinery to make more viruses. d. There will be no net movement of water because the solutions are isotonic. the virus uses the host cell to replicate itself. Reference: ref 1 B. d. eukaryotic and animal. e. gp41 and gp120. b. a prokaryotic cell with a nucleus. Dog bites and bee, wasp, or hornet stings - These have risks between 1 in 46,562 to 1 in 115,111. A. Gases expand very easily due to a property called compressibility. What is the function of reverse transcriptase in retroviruses? The phage genome is integrated in the host chromosome where it is passed on to daughter cells through binary fission. 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. - possibly spread by humans from one cave to another on their shoes and clothing. Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. Which of the following statements accurately describes a difference between viruses and bacteria? 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 ______. Endocrine disruptors like BHA in facial moisturizers - Absorption (dermal) Water-soluble types - These substances move widely in the environment and also have ready access to body cells as their solvent is ubiquitous Most amphibian species are susceptible to the fungus that causes Chytridiomycosis, which is spreading rapidly likely due to environmental changes. "Approximately 88% of our 2022 revenue came from technology-enabled business solutions. e. CD18. b) the enzymes carried by the virus However, that does not imply that low doses of any toxin is good for health. What is the most likely explanation of why they became crunchy again after soaking in water? Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. Which of the following would be likely to move through a plasma membrane by simple diffusion? b. Haemophilus influenzae The three kinds of blood lipoproteins and the differences between their composition and function, Which unit is the larger? The saline you used was hypotonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly into the cells. 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. 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. carbohydrates. 13-9 Which of the following statements regarding herpes simplex virus is false? 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. Traditional reliability design methods describe the dispersion degree of soil parameters with their point variance without considering the influence of correlation distance. a. - Reduced cancer risk Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. 13-15 Superantigens bind to all of the following molecules except _____. Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. c. global populations; local populations - for activities we enjoy or find profitable b. hyper IgM syndrome caused by deficiency of CD40 ligand Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? Chediak-Higashi syndrome caused by the deficiency of CHS1. c. gp41 Which of the following statements accurately explains why tissue repair mechanisms may make those tissues more susceptible to cancer? 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. They bind to MHC class I molecules and T-cell receptors. c. hereditary angioedema True or false: Mortality refers to being ill, whereas morbidity refers to dying from a disease. b. the IL-12 receptor - Combined effects of exposure to multiple toxins. host cell indefinitely. 2. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. b) copies of the herpesvirus genome remaining as mini-chromosomes in some host cell nuclei . a. Which of the statements below accurately captures the relationship between toxicity and potency? Q. c. inhibition of MHC class I expression I. In which leaf tissues would you expect to find the highest density of chloroplasts? D) Illness is a normal process that affects level of functioning. 15. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." Glyphosate - Used as an herbicide, Roundup This is an example of c. Cold sores develop as a consequence of CD8 T-cell killing. 30 seconds. Which of the following statements accurately describes the process of DNA replication? d. hereditary angioedema The function of photosynthesis is to use solar energy to make ATP; the primary function of respiration is to break down ATP to release energy. 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 . 0.04 ppm - Zooplankton a. classical; alternative pathways of complement All of the answers given. The KaK_aKa of nitrous acid, HNO2HNO_2HNO2, is 6.761046.76 \times 10^{-4}6.76104. e c. a TAP peptide transporter Viruses are typically a piece of genetic material encased in a protein capsule. d. superantigen b. Proviruses consist of double-stranded DNA. Issues associated with _______________ heath may take up to 15% of the worldwide disease burden by 2020 as conditions such as depression are growing more prevalent in both developed and developing countries. d) I, Which of the following characteristics is the largest contributor to determining a virus's host range? Reduce the amount of salt and animal fat in your diet - Reduced cardiovascular disease Today health agencies calculate DALYs rather than mortality rates as a measure of disease burden because ______. a. d. Epstein-Barr virus d. Anti-capsular antibodies are cleared from the host quickly after an active infection. - The chemical agent is water-soluble. Toxic substance - These substances damage or kill living organisms because they react with cellular components to disrupt metabolic functions. Examine the figure below. - better nutrition b. Mortality rates are reduced by the administration of antibiotics to affected individuals. d. MHC class I; MHC class II molecules. A screen door allows breezes to enter and aromas to exit but keeps out insects. b. anti-HIV antibodies are detectable in their blood serum a. the virus inhibits MHC class I expression C. Applying an external force to an enclosed volume of air will allow the air to expand and the volume to decrease. 13-3 A primary immune response against influenza virus produces antibodies that bind to _____. Allergens are substances that affect us by ______. Herpes simplex virus infects B lymphocytes. So, excluding these clients from both years, we would have recorded revenue growth of 7% in 2022.". Significantly more people have HBV (hepatitis) than HIV, but they are less likely to be treated for it. b. T-cell-dependent antibody responses; cell-mediated immune responses a. prokaryotic and plant 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? c) Viruses are difficult to place precisely within the tree of life. Which statement most accurately describes a virus? d) the proteins on the viral surface and that of the host cell membrane. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. Which of the following correctly characterizes white-nose syndrome? Question: You have to implement the following methods on the described scenario. e. Janus 3 kinase (Jak3) 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. c. a prokaryotic cell without a nucleus. d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. b. Staphylococcus aureus c. The cell should gain weight over time because it is hypertonic to the beaker environment and water will enter the cell through osmosis. ", lethal dose of a chemical for half of the population. a. DNA-dependent DNA polymerase; HIV Lead was banned from gasoline and paint in the 1970s and health problems associated with its exposure have dropped significantly since then. a. the cell wall - Our increasing ability to detect traces of a substance sometimes means that though we can detect it, the level may be too low to cause harm. b. 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. The measles virus causes mouth and gum infections. c) They are rarely spread by insects. B.) A collection of three American sterling silver vases and a sterling-overlay glass vasevarious makers, 20th centuryComprising a Tiffany & Co. bud vase with 925 sterling hallmark, with 1907-1947 date mark, maker's mark, "19397 5521" marked to interior; an early 20th century Unger bud vase with vine and floral engraving, with sterling hallmark, maker's mark, "09792" marked to . b. The cell should lose weight over time because it is hypertonic to the beaker environment and water will leave the cell through osmosis. POPs, or ______________ _____________ ______________, are dangerous because they don't degrade quickly and cells readily take them up. d. phagocytosis. f. CD40 ligand. a) They can be spread via the plasmodesmata. Shafting, three-point leveling units, and other components are reasonably simplified during the modeling . d) Reverse transcription would no longer be possible. You and your parents may disagree about the risk associated with your exposure to tobacco or alcohol. - Immunological status affects susceptibility to toxins. a. HIV variants convert from macrophage-tropic to lymphocyte-tropic late in infection a. Correct answers: 2 question: 7. which one of the following statements is most accurate regarding the mayflower compact? True or false: According to the World Health Organization (WHO) definition of health, we are all ill to some extent. 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. e. MHC class II. e. It is secreted and functions as a monomer but facilitates the dimerization of its receptor. become capable of human-to-human transmission Which of the following statements accurately describes the lysogenic cycle of lambda () phage? costs may increase significantly to protect the very small number of highly sensitive individuals at the extreme end of the curve. The WBC's job is to take the bacteria inside of itself and destroy the bacteria. c. matrix protein 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. Generally, the CIS environment in which personal computers are used is less structured than a centrally-controlled CIS environment. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. C.) A virus is nonliving because it lacks an organelle that allows movement. answer choices Viruses are much smaller than bacteria cells. 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? - Exposure to carcinogens can result in invasive, out-of-control cell growth that can cause malignant tumors. a. a) Double-stranded DNA viruses c. X-linked hyper IgM syndrome: gamma globulin injections c. processing to peptides is not required for T-cell activation Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? c. receptor-mediated endocytosis. On a biological level, the main difference is that bacteria are free-living cells that can live inside or outside a body, while viruses are a non-living collection of molecules that need a host to survive. 13-4 The serotypes of Streptococcus pneumoniae differ in their _____. Which of the following statements correctly describes one difference between green algae and land plants? c) re-infection by a closely related herpesvirus of a different strain What does the saying "the dose makes the poison" mean? d. they cause less severe immunodeficiency than do the homozygous recessive forms This number doesn't include people killed by smoking tobacco. Car accident Chemicals are generally divided into oil-soluble and water-soluble types. County employees are subject . B. c. Immune responses against S. pneumoniae are serotype-specific and protect only against strains that possess the same capsular polysaccharide antigens. 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. Match each type of substance to its characteristic. With the first bite, you notice their texture is not as crisp and crunchy as you like. - in the blood of nearly everyone in the United States. d. reverse transcriptase. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A." osprey accumulates compounds stored by all prey lower in the food chain. c. passive carrier proteins a. plasma membrane. a 4. d) lytic phages 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. This problem has been solved! The measles virus causes brain and skin infections. 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 _____. Select one: a. a. a. facilitated diffusion. They produce proteins used by other parts of the cell. Asbestos exposure and smoking each increase lung cancer rates 20-fold. 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. d. factor D Which of the following characterizes Chytridiomycosis? a. C1INH Includes pectins, vitamins (like A, C, and E), and cruciferous vegetables (like cabbage and broccoli) in your diet. Match each of the potential toxins listed below to their most likely routes of exposure. nonspecific activation 2-20% of body's CD8 T cells. b. Increased frequency:increased depth of penetration B. Predicting whether an individual will recover from a given disease. 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. d. the proteasome cannot generate viral peptides for presentation by MHC class I molecules. a. 13-79 A patient is diagnosed with AIDS when CD4 T-cell counts _____. b. class II transactivator (CIITA) They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. 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 . - People tolerate high risks in activities of their choosing, as they often have an exaggerated view of their abilities to control fate. b. T cells; CD4 What is the determined cause of colony collapse disorder? b. polysaccharides, large protein molecules, low-density lipoprotein particles Other IMG plans that may be of interest. atom. e. antigenic drift. Viruses can reproduce only using a host cell. a. Rank the stages in biomagnification of DDT, putting the earliest stage on top. Which of the following describes a virus? Its function most resembles Persistent organic pollutants (POPs) are a concern because being ______. Question: Which of the following statements accurately describes a viral envelope? Viruses contain DNA, so they are alive. A nonliving complex of RNA or DNA protected by a protein coat 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. A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. c. TAP1 or TAP2 Your muscle cells need large amounts of ATP to function in the movement of your body. How do these molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment? e) envelope, It turns out that your evil roommate has a herpesvirus-mediated genital sore. a. the phagosome; inhibition of fusion of the phagosome with the lysosome The idea that a small amount of radiation may stimulate DNA repair, whereas a large amount of radiation causes cancer, is an example of _____________________.