Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 34.4, Problem 3MC
Summary Introduction
To explain:
“The reason that why scientists did not able to formulate the vaccine against HIV and common cold”.
Concept introduction:
Vaccine is prepared by an antigenic substance or by the attenuated causative agents. This is used to provide the adaptive or acquired immune response against the infections. Vaccine was first discovered by the Edward Jenner.
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Students have asked these similar questions
Why is it so hard to find a cure for HIV?
Why haven’t scientists been able to develop vaccines against HIVand the common cold?
Comparing the number of infections, people catch cold so much more often than flu .Why haven’t we spent time and effort on developing vaccines to the cold virus ? a)The cold viral particle change over time, too difficult to develop a vaccine b)The cold viral remain stable over time and lose their ability to infect human over time c)The cold viral particle constantly change over time , catch a cold virus will result in vaccination for a long time d)There are too many strains of the cold virus and the symptoms are mild
Chapter 34 Solutions
Biology: Concepts and Investigations
Ch. 34.1 - Prob. 1MCCh. 34.1 - Prob. 2MCCh. 34.1 - Prob. 3MCCh. 34.1 - Prob. 4MCCh. 34.2 - List the categories of inn ate defenses.Ch. 34.2 - Describe the physical barriers to infection.Ch. 34.2 - How do white blood cells contribute to innate...Ch. 34.2 - Prob. 4MCCh. 34.2 - Prob. 5MCCh. 34.3 - Prob. 1MC
Ch. 34.3 - What are the two subdivisions of adaptive...Ch. 34.3 - Prob. 3MCCh. 34.3 - Prob. 4MCCh. 34.3 - Prob. 5MCCh. 34.3 - Prob. 6MCCh. 34.4 - Prob. 1MCCh. 34.4 - Prob. 2MCCh. 34.4 - Prob. 3MCCh. 34.5 - Prob. 1MCCh. 34.5 - Prob. 2MCCh. 34.5 - Prob. 3MCCh. 34.5 - Prob. 4MCCh. 34.6 - Prob. 1MCCh. 34.6 - Prob. 2MCCh. 34 - Prob. 1MCQCh. 34 - Histamine acts on the _____, causing redness and...Ch. 34 - Prob. 3MCQCh. 34 - The innate immune response is characterized by its...Ch. 34 - Prob. 5MCQCh. 34 - Prob. 6MCQCh. 34 - Why is the secondary immune response so much...Ch. 34 - Prob. 8MCQCh. 34 - Prob. 9MCQCh. 34 - Prob. 1WIOCh. 34 - Prob. 2WIOCh. 34 - Explain why a scraped knee increases the chance...Ch. 34 - Prob. 4WIOCh. 34 - Prob. 5WIOCh. 34 - Prob. 6WIOCh. 34 - Prob. 7WIOCh. 34 - Prob. 8WIOCh. 34 - Prob. 9WIOCh. 34 - Prob. 10WIOCh. 34 - Prob. 11WIOCh. 34 - Explain the difference between clonal deletion and...Ch. 34 - Prob. 1PITCh. 34 - Prob. 2PITCh. 34 - Circle the immune system components that a vaccine...Ch. 34 - How do lymph and lymph nodes fit into this concept...Ch. 34 - Where else might macrophages fit into this concept...
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Similar questions
- How are scientists fighting HIV and AIDS?arrow_forwardHow do vaccines work?Why do we effective at preventing disease?arrow_forwardThe major issue associated with the use of live, attenuated virus for vaccines is _____. A) reversion to virulent strain that causes disease B) ineffectiveness because it’s not “the real thing” C) contamination with other viruses or bacteria D) the capacity to induce shock in recipientsarrow_forward
- How do vaccines work? Why might someone still get the flu even though they received the flu shot?arrow_forwardVaccines typically contain particles that are pieces of the virus or bacteria they target. How do you think this helps you avoid getting sick in the future? a) vaccine-preventable diseases are just part of life. it is better to have the disease than become immune through vaccines b) vaccine programs fail to produce overall health benefits of a population by because they do not reduce the transmission od disease c) the particles act as antibodies, against which the person's immune system will develop antibodies d) the particles act as antigens, against which the person's immune system will develop antibodies e) vaccines create an entirely new immune systemarrow_forwardDespite our advancement in Science and Technology, thanks to the invention of the early scientists Robert Hooke and Antonie Philips van Leeuwenhoek that paved the way to the discovery of cells and the cure of many diseases, why is it that there are still many who are hesitant to have themselves immunized by COVID-19 vaccines? Please answer with 500 wordsarrow_forward
- What is the percentage of humans that are resistant to HIV? What makes them resistant?arrow_forwardWhat is the Coronavirus? Is it a living organism? How does it reproduce? The current vaccines that are being distributed in the United States are made by Pfizer, Moderna, and Johnson and Johnson. Explain how they work and how health officials believe they will aid in the pandemic? What should we expect as more and more people get vaccinated? Will things immediately go back to the way they were before? What is the Delta variant and how is it impeding on getting things back to "normal"?arrow_forwardWhat vaccine is being given to people going abroad?arrow_forward
- Severely immunosuppressed people should not receive the measles vaccine. Based on this information, the vaccine isa) an inactivated whole agent.b) a toxoid.c) a subunit vaccine.d) a genetically engineered vaccine against hepatitis B.e) an attenuated vaccine.arrow_forwardWhat type of vaccine is the Moderna vaccine? Oan adenovirus vaccine an inactivated virus vaccine a self-replicating RNA vaccine a protein vaccine a MRNA vaccinearrow_forwardWhy is it difficult to develop a universal flu vaccine?arrow_forward
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