which of the following statements accurately describes viruses?

d. T-cell receptor V chain. c. CD28 ", lethal dose of a chemical for half of the population. Bacteria are much larger than viruses, and t View the full answer Transcribed image text: A Pre-Audited Token Launchpad on the Binance Smart Chain (BSC). c. prokaryotic cells . d. phagocytosis. 13-44 Listeria monocytogenes replicates in _____ of macrophages after _____. 13-50 Which of the following deficiency syndromes affects T-cell but not B-cell function? 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. c. facilitated diffusion A: The small microscopic organisms that cannot be seen with the naked eye are called microorganisms.. b. classical complement and blood-clotting pathways a. Students use a microscope to look for structures present in four different cells. What is the current trend in the worldwide mental health disease burden? Which of the following statements accurately describes how endocrine disrupters affect us? Match the examples to chronic or acute effects and exposures. II. b. MHC class II chain c. semipermeable The radish cells were hypertonic to the water in which they were soaking. - 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. 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. b. bacteria are living and viruses are non -living . c) membrane d. simple diffusion, You are a scientist observing a membrane through which water and some small hydrophobic molecules can freely pass along a concentration gradient from high to low. d) Cutting and assembling the capsid would be halted. Allergens are substances that affect us by ______. 13-15 Superantigens bind to all of the following molecules except _____. a. Which of the following is an example of a synergistic effect? Many of these materials can be rendered relatively innocuous by dilution, neutralization, or other physical treatment. answer choices They DO respond to a stimulus They need a host's energy because they do not have their own energy - HIV is more lethal. e. A cDNA intermediate is required in order to produce a provirus. e) proviruses. 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. 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. Factor related to the organism - Immunological status at the time of exposure to the chemical. The boundary that surrounds the contents of the nucleus is the 2 ppm - Large fish Which of the following can be used to accurately describe viruses? a. bacteria, some fungi (yeast), and many protozoans. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. The color change indicates that the iodine molecules were small enough to diffuse across the membrane and react with the starch inside the cell. True or false: According to the World Health Organization (WHO) definition of health, we are all ill to some extent. d. hereditary angioedema: C1INH infusions b. Mortality rates are reduced by the administration of antibiotics to affected individuals. b. receptor proteins b. respiratory syncytial virus - The chemical agent is water-soluble. Both bacteria and viruses use host cells to reproduce, but viruses . e. The capsular polysaccharide antigens of S. pneumoniae do not induce immunological memory. b) Formation of the provirus would be stopped. the selective absorption and storage of a great variety of molecules inside cells at levels that are higher than the environment. f. SH2D1A. a) They can be controlled by the use of antibiotics. Which of the following statements accurately describes the lysogenic cycle of lambda () phage? Prokaryotes and eukaryotes are primarily distinguished by the absence or presence of internal membrane-enclosed organelles. 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. - improved sanitation a. neuraminidase - LD50 is the dose of the toxin that is lethal to half the population. disability-adjusted life years, which evaluates the total cost of disease, not just how many people die, any abnormal change in body conditions that impairs normal functions. - Chronic exposure involves continuous or repeated contact with a toxic substance over a long period of time (months or years). Eventually, the immune system cannot handle the viral invasion. a. CD18; produce cell adhesion molecules c) They are rarely spread by insects. True or false: All species have approximately the same reaction to a specific compound. f. It is able to render target cells responsive even if they express only one functional allele of IFNR1. a) Double-stranded DNA viruses - Endocrine disrupters may interfere with growth and development. Asbestos exposure and smoking each increase lung cancer rates 20-fold. 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. Adopting the precautionary principle in regulating environmental toxins ______. d. extracellular spaces; coating itself with human proteins 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? Other IMG plans that may be of interest. e. they are unable to transduce signals when bound to the normal form. Eat fewer calories and exercise more - Reduces obesity-related illnesses A metabolic poison that specifically attacks nerve cells is a _______________. Capitalism is an economic system that operates under the. answer choices Viruses can eat and metabolize food. d. viruses are prokaryotic and bacteria are eukaryotic . In the following section, we describe this approach in detail. D. HIV can pass easily from one person to the next through casual contact. What are the qualities of PFCs that make them so useful? c) Cutting and assembling the capsid would be halted. Neither membrane is selectively permeable or has pores. Which of the statements below accurately captures the relationship between toxicity and potency? we are exposed to many sources of harm, and it is difficult to separate the effects of different hazards in order to evaluate their risks accurately. These special proteins tell the white blood cells those bacterial cells do not belong to that particular human and to phagocytize (eat) them. e. nucleus; fusion with the nuclear membrane. Lead was banned from gasoline and paint in the 1970s and health problems associated with its exposure have dropped significantly since then. costs may increase significantly to protect the very small number of highly sensitive individuals at the extreme end of the curve. They bind to MHC class I molecules and T-cell receptors. d. properdin (factor P) Culture the substance by itself on nutritive medium, away from any plant cells. Match each type of substance to its characteristic. d. sodium ions (Na+), hydrogen ions (H+), sugars, and amino acids, a. water (H2O), carbon dioxide (CO2), oxygen (O2). Public policies regarding toxicity are based on the results of ______, and scientists still have the most confidence in this method. a) III b. anti-HIV antibodies are detectable in their blood serum b) removal of viral mRNAs stable chemicals are resistant to degradation and can cause problems long after application and far from the sites where they were originally used. Check all that apply. Solubility is important in determining how a substance travels and is absorbed. question 2 5 out of 5 points which statement accurately describes capitalism? 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. Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? So, the water osmosed across the plasma membranes into the radish cells decreasing the turgor pressure inside of the cells. Which of the following statements best describes vaccines? c. T cells; CD8 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. 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. Ospreys eat larger fish. - caused by a fungus that thrives in cool, moist caves where bats hibernate 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. Glyphosate - Used as an herbicide, Roundup Question 4 120 seconds Q. b. Random genetic mutations create antibiotic-resistant individuals that survive and multiply to develop into an antibiotic-resistant colony. a. smooth ER c. lysosome b. T cells; CD4 Because sensory neurons express low levels of MHC class I molecules, they provide appropriate sites for viral dormancy. the host cell is turned into a virus. 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. - For most people, a 1 in 100,000 chance of dying from some risk factor is often a threshold for changing what they do. a. The Black Death, the 1918 influenza, and the H1N1 flu virus were all ______, as they caused widespread and worldwide infections. 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. Which of the following statements accurately describes the properties of gases? 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. Which of the following factors do policymakers consider most important in setting an effective environmental health policy? answer choices. b) enter a replicative cycle that kills the host cell. b. the IL-12 receptor d. Anti-capsular antibodies are cleared from the host quickly after an active infection. Antibiotics for humans are generally ______ in the United States. A cheetah can run 121212 km/h over a 100100100 m distance. b. a) They can be spread via the plasmodesmata. Instead, the cells are only able to reproduce once inside a host cell. All of the answers given. c. passive carrier proteins ; Patriot Platinum Travel Medical Insurance SM . c. eukaryotic and plant a. facilitated diffusion. 1. b. it founded the plymouth colony under a proprietary governor. a. d) flare-ups occur when dormant viral proteins attack new cells People living in ______ areas, especially in ______, are particularly susceptible to death linked to air pollution. 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. B) The focus of nurses is the person with an illness. 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 ? They produce proteins used by other parts of the cell. Which of the following statements accurately describes the concepts of disease and illness? Which of the following is/are part of accepted cell theory? The glucose is then turned back into carbon dioxide, which is used in photosynthesis. c. it gave the pilgrims their own charter. e. Bruton's tyrosine kinase (Btk). The KaK_aKa of nitrous acid, HNO2HNO_2HNO2, is 6.761046.76 \times 10^{-4}6.76104. a. 2. e a. Chemicals or other factors that specifically cause abnormalities during embryonic growth and development are called ___________________. d. Typically just a piece of genetic material encased in proteins, viruses are small, non-cellular infectious agents that are only capable of reproducing when inside a living cell such as those of plants, animals, fungi, protozoans, or bacteria. Write the equation describing the equilibrium established when HNO2HNO_2HNO2 reacts with NH3NH_3NH3. a) bacteriophages Our goal is to let community members put their participance into new projects with confidence. - Reduced cancer risk e. human immunodeficiency virus. b. produces the energy needed to run chemical reactions in the cell. - Immunological status affects susceptibility to toxins. Which of these best describes a virus? Poliovirus is an RNA virus of the picornavirus group, which uses its RNA as mRNA. Which of these statements correctly describes trends in child mortality? 13-30 Wiskott-Aldrich syndrome involves an impairment of _____. - DALYs are a more complete measure combining premature deaths and the loss of a healthy life resulting from mental illness or physical disability e. MHC class II. a. I would expect to find the photosynthetic enzymes in the chloroplasts of the bacteria. 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. - The chemical agent is not biodegradable and thus is persistent in the environment. This problem has been solved! c. the expression of MHC class I and class II molecules e. thymic development. b. 13-21 Individuals with an antibody deficiency are more susceptible to infections by all of the following except _____. 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 . Microbes acquire resistance to antibiotics through different processes that include random mutations and ______________ reproduction. c) the proteins in the host's cytoplasm e) Viruses can replicate independently of their cellular hosts. Tests on living animals are more reliable than other tests.