which of the following statements accurately describes viruses?

the virus uses the host cell to replicate itself. - requires manufacturers to show that a substance is not dangerous before it is introduced into the marketplace. Pollution - Noise Bacteria injects DNA into a host cell. 0.5 ppm - Small fish b. respiratory syncytial virus d. carbohydrates. d. superantigen 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. b. C3 b. Which of the following accurately describes HIV? The water will mostly move from side "A" to side "B" because the water concentration is higher on side "A.". a. One of the differences between bacteria and viruses is that : a. viruses are living and bacteria are non -living . Multiple Choice Q09 Which of the following statements correctly describes the most probable fate of a newly emerging virus that causes high mortality in its host? - Vegetables, whole grains, and other healthy foods can boost our ability to tolerate toxins. The membranes of the mitochondria provide a place for enzymes needed for cellular respiration to anchor and function. - educating women. This vesicle is now within the amoeba itself and will soon fuse with other vesicles containing digestive enzymes. c. Bruton's tyrosine kinase Which of the following is not a concern of environmental toxicology? Examine the figure below. b. nuclear envelope. e. Janus 3 kinase (Jak3) Drowning Allergens are substances that affect us by ______. Instead, the cells are only able to reproduce once inside a host cell. What is the function of reverse transcriptase in retroviruses? Other IMG plans that may be of interest. The leading reasons for nonrational risk perception include ______. Eradication of diseases such as polio or smallpox. b. 13-52 _____ participates in the T-cell cytoskeletal reorganization required for T-cell cytokine production and cell-mediated interactions. Chytridiomycosis (or chytrid fungus) is an ecological disease that affects amphibians and is ______. 1. One important way to control the spread of viruses is through a. the use of vaccines. d. C5-C9; defend against Neisseria Which of the following statements accurately describes the relationship between photosynthesis and cellular respiration? b. rough ER d. nucleus, John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine, David N. Shier, Jackie L. Butler, Ricki Lewis. C.) A virus is nonliving because it lacks an organelle that allows movement. What phenomenon has occurred to the perfume molecules that have entered the air? The boundary that surrounds the contents of the nucleus is the f. SCID caused by deficiency of common chain. 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. d. There will be no net movement of water because the solutions are isotonic. Which of the following is/are part of accepted cell theory? Additionally, small Na ions and some proteins can pass through the membrane against the concentration gradient, but both require the assistance of active transport proteins. Toxic substance - These substances damage or kill living organisms because they react with cellular components to disrupt metabolic functions. The hydrophobic tails lined up towards each other with their hydrophilic heads pointing out towards the water; this configuration formed a phospholipid bilayer that pulled into a spherical liposome. Large molecules are always excluded from crossing the membrane. What is the most likely explanation of why they became crunchy again after soaking in water? e. All of the choices are correct. 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. osprey accumulates compounds stored by all prey lower in the food chain. a. the virus inhibits MHC class I expression b. a prokaryotic cell with a nucleus. b. Please describe the competing . d) Double-stranded RNA viruses 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. Our goal is to let community members put their participance into new projects with confidence. How do these molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment? 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. a 4. True or false: Sick building syndrome refers to symptoms such as headaches, allergies, and chronic fatigue caused by a variety of toxins that build up in poorly ventilated indoor spaces. II. Which of the following characterizes Chytridiomycosis? b. chronic granulomatous disease d. factor D 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. There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. 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. 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 ______. d. creates energy by converting ribosomes to proteins. a. d) lytic phages 2.Consistently demonstrate (leads by example) LIFE . b. DNA-dependent DNA polymerase; influenza virus 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. a. CD40 ligand - for activities we enjoy or find profitable 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? d. reverse transcriptase. 13-76 Which of the following is required for fusion of the human immunodeficiency viral envelope with the host cell membrane and subsequent internalization? 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. b. immune individuals; susceptible individuals d. MHC class I Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. a) They can be spread via the plasmodesmata. 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. The cell should gain weight over time because it is hypertonic to the beaker environment and water will enter the cell through osmosis. - LD50 is the dose of the toxin that is lethal to half the population. The 2015 outbreak of the Zika virus was especially concerning as infected pregnant mothers were having babies with ______. a) Viruses are smaller in size than bacteria. e. inhibition of ICAM-1 expression. d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. c. T cells; CD8 c. I would expect to find the photosynthetic enzymes associated with the mitochondria of the bacteria. c. secondary immunodeficiency diseases b. a virus-encoded complement receptor a. d. I would expect to find the photosynthetic enzymes associated with the ER of the bacteria. c. varicella-zoster Choose the following statement that most accurately describes viruses. Viruses are acellular, obligative parasites that contain a protein coat . Which of the following statements about chronic and acute exposure and effects are correct? d. pinocytosis. c. the IFN- receptor Members of a population vary in their level of sensitivity to a toxin. b. c. TAP1 or TAP2 a. hemagglutinin and neuraminidase The cell should lose weight over time because it is hypertonic to the beaker environment and water will leave the cell through osmosis. O The envelope is only found on RNA viruses. a. water (H2O) c) membrane 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. d. The host cell must provide the transcriptional and translational machinery in order for RNA and protein products to be made from proviruses. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. d. They contain an entire copy of a cell's genetic material. d. lysosomes, The leaves of a plant typically have different tissue layers that function in different ways. 13-24 All of the following are X-linked immunodeficiencies except _____. The water will mostly move from side "B" to side "A" because the water concentration is higher on side "B." b. purine nucleotide phosphorylase (PNP) b. Toll-like receptors (TLRs) Which of these is not a consideration of toxicology? 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. People living in ______ areas, especially in ______, are particularly susceptible to death linked to air pollution. Viruses are much smaller than bacteria cells. PFCs are persistent chemicals, so they are ______. e. X-linked Wiskott-Aldrich syndrome. e. B cells; EBNA-1. Which of the following statements explain why your evil roommate may have flare-ups for the rest of their life? a. pinocytosis. Which of the following statements about viruses is false? 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. myeloperoxidase Larger fish eat smaller fish e. human immunodeficiency virus. - For most people, a 1 in 100,000 chance of dying from some risk factor is often a threshold for changing what they do. 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. cellular transcription favors the production of HIV-encoded RNA Deriving social determinants of health from underserved populations is an important step in the process of improving the well-being of these populations and in driving policy improvements to facilitate positive change in health outcomes. Predicting whether an individual will recover from a given disease. b. d. a chromosome, where the pipe cleaners represent bundles of proteins around which the DNA double helix (wired ribbon) is wrapped. d. neurons; MHC class I D) Illness is a normal process that affects level of functioning. .Know, understand, incorporate, and demonstrate the Mission, Vision, Values and Guiding Behaviors of Trinity Health and LIFE at St. Joseph of the Pines in behaviors, practices, and decisions. a. is the site where lipids destined for other cellular compartments are manufactured. Pesticide residue on food - Ingestion (gastrointestinal tract) Chloropyrifos - Used as a pesticide e. activate : T cells e) Retroviruses. What is the determined cause of colony collapse disorder? A metal such as lead that is stable, resistant to degradation, and can impair children's health long after exposure and far from where it might have first been used is of concern because of its _______. The science involved in determining whether endocrine disrupters are harmful shows how establishing public policy is difficult. a. is the site where lipids destined for other cellular compartments are manufactured. b. T cells; CD4 Q. a. osmosis. What does the image depict in the context of environmental toxicology? So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. d. active transport. What factors make emergent diseases a special problem? 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. 1. What do you expect to happen to the weight of the cell over time and what can you deduce from the color change? A healthy individual may be insensitive to doses of toxins dangerous to someone who is ill. 13-35 Protective antibodies generated in response to influenza virus bind to _____ of the viral envelope. c. a TAP peptide transporter DDT is a well-known case of biomagnification in the environment. Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the. Patriot Lite Travel Medical Insurance SM - Addresses the insurance needs of U.S. and non-U.S. citizens who need temporary medical insurance while traveling for business or pleasure anywhere outside of their home country. Why do these antibiotics not work to kill viruses and cure people of viral infections?