- political or economic interest related to the hazard. 1 litre or 1 centilitre. Viruses contain organelles while bacteria cells do not Tags: Question 2 SURVEY 30 seconds Q. d. Epstein-Barr virus This number doesn't include people killed by smoking tobacco. c. facilitated diffusion Mortality rates are reduced by the administration of antibiotics to affected individuals. 7. which one of the following statements is most accurate regarding the b. purine nucleotide phosphorylase (PNP) d. integrase Which of the following virus types inserts a double-stranded DNA copy of its genome into the host cell's genome? b. class II transactivator (CIITA) Sustainability | Free Full-Text | Assessment of Object-Level Flood Which of the following statements is true of chloroplasts? Dog bites and bee, wasp, or hornet stings - These have risks between 1 in 46,562 to 1 in 115,111. Which of the following statements about the potency (strength) of toxic substances is true? a. a virus. b) Replication of their genomes does not involve proofreading. a. rise markedly after T-cell activation - in the blood of nearly everyone in the United States. True or false: Our bodies often reduce the effects of toxic substances by eliminating them through our breath, sweat, and urine. - LD50 is the dose of the toxin that is lethal to half the population. Debates in establishing environmental health policy include whether to ______. d. Anti-capsular antibodies are cleared from the host quickly after an active infection. a. a 4. a. water (H2O), carbon dioxide (CO2), oxygen (O2) 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. Indoor and outdoor ______________ pollution contributes to millions of deaths every year. 5. The selective absorption and storage of a great variety of molecules inside cells and tissues at levels that are higher than in the environment is called ______. 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. "Approximately 88% of our 2022 revenue came from technology-enabled business solutions. e. A cDNA intermediate is required in order to produce a provirus. 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. d) ability to remove all viruses from the infected host. c) Cutting and assembling the capsid would be halted. From what substance do liposomes spontaneously form and why are they important? d) They have little effect on plant growth. Cells vs Virus Homework | Biology Quiz - Quizizz a. mitochondria f. Mycobacterium tuberculosis. b) They can be spread via the plasmodesmata. This is an example of You place a small drop of the blood on a slide, add a drop of strong saline (salt) solution, and then cover all of it with a coverslip. b. a cell wall. Trends in obesity-related illnesses such as heart disease and diabetes show that such diseases are ______. 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. To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. c. lymphoproliferative syndrome caused by deficiency of SH2D1A Which of the following describes a virus? - Brainly.com d. Transport proteins, channel proteins, and passive carrier proteins all help increase the selective permeability of a phospholipid bilayer membrane. The measles virus causes brain and skin infections. b) retroviruses 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. - educating women. Treat the substance with nucleases that destroy all nucleic acids and then determine whether it is still infectious. ; Patriot Platinum Travel Medical Insurance SM . d. Liposomes form from phospholipid bilayers and provide a barrier between an external environment and an internal environment; this creates an internal environment where specific chemical reactions needed to establish a living cell can occur separately from the external environment. All toxic substances are hazardous, but all hazardous substances are not toxic. Multiple Choice Viruses are typically a piece of genetic material encased in a protein capsule. Developing radiation sickness after exposure to radiation - Acute effect f. provoke vomiting and diarrhea when ingested. c) They are rarely spread by insects. d. Candida albicans Which of the following statements accurately describes plant virus infections? You are in lab attempting to prepare a slide of cow blood for observation in a wet mount. - For most people, a 1 in 100,000 chance of dying from some risk factor is often a threshold for changing what they do. b. Antigenic shift; antigenic drift Which of the following statements helps to explain why RNA viruses tend to have unusually high rates of mutation? Correct Response d. inhibition of peptide transport by transporter associated with antigen processing (TAP) Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions. - The mere presence of a toxin is insignificant without considering how much is there, where it is located, how accessible it is, and who is exposed. - Most organisms tolerate some exposure to a toxin but ultimately the dose gets large enough to kill them. The project is the solution towards mitigating scams and rugpulls. The two strands of DNA separate and serves as a template, and the daughter molecule will have a mix of an old and new strand. I. c. a specialized membrane-bound vesicle; infection of the cell a) The gp120 glycoprotein would no longer be able to bind to the CCR5 receptor. A virus is living because it has DNA that stores genetic information. Explanation :-:virus are acellular. c. passive carrier proteins A) After infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. You are a microbiologist working with a species of bacteria that can perform photosynthesis. Potential routes of exposure to toxins in the environment. Most substances are toxic at some level of exposure depending on the substance and the nature of the exposure. . Determine the average shear stress on the wetted perimeter of this channel. c. viruses are biotic and bacteria are abiotic . a. influenza virus 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. e. cytokine and cytokine receptor production. Which of the following statements about viruses is false? a. contain genetic material b. can be killed using antibiotics c. have a cell membrane d. have a protein coat a 5. A white blood cell (WBC) encounters bacteria in a scrape on the knee of a child who has fallen off of his bicycle. When it acts on target cells, it enhances the engulfment and killing of bacteria. What do viruses need to reproduce? - Diet-related obesity can lead to illnesses such as diabetes and cardiovascular disease. Which of the following statements accurately describes the lysogenic cycle of lambda () phage? When a dose-response curve for a particular toxin shows a threshold for the response, it generally suggests ______. b) Formation of the provirus would be stopped. a. CD40 ligand 4. a) III b. Mortality rates are reduced by the administration of antibiotics to affected individuals. b. T-cell-dependent antibody responses; cell-mediated immune responses - They are both caused by viruses. Which of the following statements correctly describes one difference between green algae and land plants? d. viruses are prokaryotic and bacteria are eukaryotic . Which of the following statements best describes vaccines? 20. Chemicals or other factors that specifically cause abnormalities during embryonic growth and development are called ___________________. 13-53 Chronic granulomatous disease (CGD), a condition resulting in chronic bacterial and fungal infections, is caused by one or more defects in _____, compromising the ability of macrophages to _____. a) They can be spread via the plasmodesmata. Match each type of substance to its characteristic. a. Epstein-Barr virus b. 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. Chemicals are generally divided into oil-soluble and water-soluble types. Which of the following statements accurately describes the difference between the way bacteria cause diseases and the way that viruses cause diseases? Response curve representing a constant rate of response with increasing doors - Line b b. a virus-encoded complement receptor B. This could be best used as a simple model for 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. b. - Allergens activate the immune system. d) the proteins on the viral surface and that of the host cell membrane. BIO6: Chapter 19 Flashcards | Quizlet They face communication difficulties mainly because others, who generally do not know sign language, are unable to communicate with them. Generally, the CIS environment in which personal computers are used is less structured than a centrally-controlled CIS environment. - Endocrine disrupters may cause reproductive dysfunction in females. Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the. 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. 5. e. MHC class II. - Chronic conditions such as cardiovascular disease and diabetes are increasing and spreading to poorer populations. Phospholipids are large organic molecules with a ________, polar phosphate head connected to ________, nonpolar fatty acid tails. Eradication of diseases such as polio or smallpox. 180 seconds. Though categorizing toxins based on potency is useful, it is complicated by differences in individual and species reactions to particular chemicals. c. They must make sure the results were not an accident and that they are repeatable. Expert Answer Answer:- option (d) accurately describe the differences between bacteria and virus. c. Proviruses are flanked by repetitive sequences called long terminal repeats (LTRs). d. hereditary angioedema Rank the order of the following causes of death, putting the lowest risk of death for a person in the United States on bottom and the highest risk of death at the top. - Members of a population vary in sensitivity to a toxin. Large molecules are always excluded from crossing the membrane. 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 _______. e. CD18. c. the garbage truck that hauls away the wastes produced as a product is made 13-39 _____ cause(s) mild and limited disease, whereas _____ cause(s) more severe disease and higher mortality. 15. a. transcriptional regulators of HLA class II loci Membranes budded off of the oil in this mixture. 13-21 Individuals with an antibody deficiency are more susceptible to infections by all of the following except _____. Trauma - Car accidents 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. 13-78 During infection with HIV, a person is said to undergo seroconversion when _____. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. 13-41 Trypanosomes escape from adaptive immunity by altering the type of _____ expressed on the parasite surface. e. fall below 200 cells/l. Treat the sample with proteases that digest all proteins and then determine whether it is still infectious. A. Gases expand very easily due to a property called compressibility. Can you add thermal energy to an object without increasing its temperature? b. Persistent organic pollutants (POPs) are a concern because being ______. Poisons that are produced naturally are called ____________ substances. 13-5 All of the following are associated with the ability of influenza virus to escape from immunity except _____.

Cristina Perez Husband, Articles W