d. Mycobacterium tuberculosis d. The cell should gain weight over time because it is isotonic to the beaker environment and water will be drawn into the cell because of the albumin. answer choices. Chemicals or other factors that specifically cause abnormalities during embryonic growth and development are called ___________________. b. it founded the plymouth colony under a proprietary governor. 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. b. C3 Most amphibian species are susceptible to the fungus that causes Chytridiomycosis, which is spreading rapidly likely due to environmental changes. d. There will be no net movement of water because the solutions are isotonic. There are 4 serotypes of the virus . Contrary to the risk probabilities, we are often willing to accept far greater risk than the general threshold ______. a. Detoxification - Liver b. proteins. b. a cell wall. 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. - The chemical agent is water-soluble. Why? 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. You are a microbiologist working with a species of bacteria that can perform photosynthesis. Probability is a calculation of the statistical danger of a risk, and this information can help us decide which risks to tolerate and which to avoid. 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 _____. 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. c. a prokaryotic cell without a nucleus. An experiment mixed together oil (lipids), organophosphate-containing detergent in water, and copper ions to act as a catalyst for a chemical reaction. e. inhibition of ICAM-1 expression. - Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years). c. prokaryotic cells . b) They can be controlled by the use of antibiotics. The phage genome is integrated in the host chromosome where it is passed on to daughter cells through binary fission. Most substances are toxic at some level of exposure depending on the substance and the nature of the exposure. d. The radish cells were hypotonic to the water in which they were soaking. Excreting water-soluble salts and other substances - Kidneys. a) It uses viral RNA as a template for DNA synthesis. The boundary that surrounds the contents of the nucleus is the 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. c. the use of other types of bacteria. b. X-linked hyper IgM syndrome: GM-CSF injections d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. b) retroviruses c. Both membranes consist of two concentric phospholipid bilayers, are selectively permeable, and have pores. Both bacteria and viruses use host cells to reproduce, but viruses . Q. 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. So, excluding these clients from both years, we would have recorded revenue growth of 7% in 2022.". 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. c) removal of viral proteins 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. How would the affect the HIV infection cycle? a. X-linked agammaglobulinemia Many of these materials can be rendered relatively innocuous by dilution, neutralization, or other physical treatment. Environmental health policies need to address ______________ because we may be destroying cycles that support human life if we don't protect different types of organisms. To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory b. gp120 When iodine and starch are mixed together, they form a bluish-black compound that is easily seen. 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. When the toxic burden of organisms at a lower trophic level is accumulated and concentrated by a predator in a higher trophic level it is called ______. c. The water will mostly move from side "A" to side "B" because the water concentration is higher on side "B." a. classical; alternative pathways of complement The color change does not really tell us anything about the experiment. The intensity level of these sounds can reach 103 dB, measured a distance of 5.0 m from the source. e. Bruton's tyrosine kinase (Btk). d. lysosomes, The leaves of a plant typically have different tissue layers that function in different ways. Examine the figure below. Virus b. c. Streptococcus pyogenes - The dose makes the poison. Filter the substance to remove all elements smaller than what can be easily seen under a light microscope. Chytridiomycosis (or chytrid fungus) is an ecological disease that affects amphibians and is ______. 1 litre or 1 centilitre. 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. polysaccharides 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? The measles virus causes brain and skin infections. - Infectious diseases such as diarrhea are on the decline globally. 13-19 Which of these characteristics is not true of IFN-? Allergens are substances that affect us by ______. Which of the following statements about the potency (strength) of toxic substances is true? b. b. sorts proteins and lipids and sends them to their final destination. e All of the answers given. is an emerging discipline that seeks to understand how environmental changes threaten our health and the environment itself. b. MHC class II chain c. X-linked hyper IgM syndrome: gamma globulin injections d. factor D Which of the following statements accurately describes the properties of gases? Which one of the following statements best describes the role of B cells and T cells in the human body? - Immunological status affects susceptibility to toxins. Toluene and formaldehyde from cigarette smoke - Inhalation (respiratory tract) The nuclear envelope consists of two concentric phospholipid bilayers while the plasma membrane is only one phospholipid bilayer. e. protease. The two strands of DNA separate, and a single new strand is synthesized using the existing strand as a template. Which of the following statements accurately explains why tissue repair mechanisms may make those tissues more susceptible to cancer? e. thymic development. a. water (H2O), carbon dioxide (CO2), oxygen (O2) (Use only one word per blank.). 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. d. myeloperoxidase c) II D. Viruses reproduce asexually while bacteria cells reproduce sexually. If a bottle of perfume were spilled in the corner of a large lecture hall, the students sitting near that corner of the room would very quickly smell the perfume. - the presence of a defense mechanism that prevents the toxin from reaching its target or repairs the damage that the toxin causes - Diet-related obesity can lead to illnesses such as diabetes and cardiovascular disease. 13-6 All of the following use gene conversion to avoid immune detection except _____. Vesicular stomatitis virus G (VSV-G) . anti-HIV antibodies are detectable in their blood serum. 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 virus is living because it has an envelope that acts like a cell membrane. A nonliving complex of RNA or DNA protected by a protein coat Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? The chemical reaction caused the organophosphates from the detergent to chemically combine with lipids from the oil to form phospholipids with hydrophilic heads and hydrophobic tails. Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? d. extracellular spaces; coating itself with human proteins Choose the following statement that most accurately describes viruses. Bacteria are much larger than viruses, and t View the full answer Transcribed image text: There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. 13-16 All of the following are associated with superantigens except _____. Zooplankton consume DDT Which of the following statements accurately describes how endocrine disrupters affect us? c. processing to peptides is not required for T-cell activation - 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. 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. c. The saline you used was hypertonic to the RBCs; this resulted in water osmosing through the RBC plasma membrane mostly out of the cell. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." 13-9 Which of the following statements regarding herpes simplex virus is false? Trauma - Car accidents At its 5 end, the RNA genome has a viral protein (VPg) instead of a 5 cap. Neither membrane is selectively permeable or has pores. This is an example of 13-25 Deficiencies in complement components C5-C9 and properdin (factor P) are associated with _____. 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. 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. Some antibiotics used to treat bacterial infections kill the bacteria by chemically punching holes in the cell wall of the bacteria, by preventing the bacteria from replicating their DNA, or by many other actions that ultimately cause cell death. b) the enzymes carried by the virus Chediak-Higashi syndrome caused by the deficiency of CHS1. 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. The study of the effects of flammable chemicals on forests, Allergies, headaches, and chronic fatigue due to poorly ventilated indoor spaces contaminated by toxins, such as formaldehyde released from carpeting, furniture, and other building materials can result in ______________ _____________ ______________. Differences in physiology, metabolism, and body size result in species reacting ______ to a specific compound, which makes human risk difficult to estimate. a. B.) White-nose syndrome is a fungal disease that is devastating bat populations, causing mortality of 90 percent or more in infected colonies. d. Chdiak-Higashi syndrome Explanation :-:virus are acellular. c. Haemophilus influenzae d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. This cell is weighed and then placed in a beaker of 3 percent iodine dissolved in water. a. lipids. Hazardous substances - These substances are dangerous because they are flammable, explosive, acidic, caustic, irritants, or sensitizers. Explain. 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. c. nucleic acids. a) bacteriophages The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". transcriptional regulators of HLA class II loci. C. A virus does not eat, use energy, or have cells. 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? Viruses are acellular, obligative parasites that contain a protein coat . 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. a. CD40 ligand Reference: ref 1 d) I, Which of the following characteristics is the largest contributor to determining a virus's host range? ______ 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 mechanism of eliminating toxins to the body part that is responsible for the action. b. Toll-like receptors (TLRs)
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