How do viruses cause disease (the effect(s) on host cells or tissues that cause disease)? Name a specific virus and the disease it causes and how it causes the disease. This is not about the stages of the virus
Explain how viruses can transform human cells, leading to the formation of tumors. What kind of biological and epidemiological evidence would you need before you were comfortable saying a specific virus caused cervical cancer? What is the role of viruses in...
State two ways in which the structure of a bacterium differs from the structure of a virus...(f) Human Immunodeficiency Virus (HIV) infects cells of the immune system.Describe the effects of HIV on the immune system.[Total: 15] 相关知识点: 试题来源: 解析 4 (a)drug 1 medicine...
1. The CFO must also be able to explain treatments, policies and consequences so that every executive can understand them. 首席财务官还必须能够解释财务措施、政策及后果,让每一位高管都能理解。 2. How do you explain the phenomenon of anti-Semitism?
The structure of the lungs exposes them to viruses and bacteria from both the air and the blood. Macrophages are immune cells that, among other things, protect the lungs from such attacks. But under certain conditions, lung macrophages can also contribute to severe lung dis...
Mutations of the virus' spike protein, the main protein driving infectivity and transmissibility, are especially concerning as they may allow the virus to improve its infectivity, transmissibility, and ability to evade the immune system. Understanding how specific molecular changes can alter the ...
You have analyzed the base composition of the genetic material in a virus and found the following: 32% adenine, 17% uracil, 18% guanine, 33% cytosine. Which of the following best describes the structure of this viral genome? • Single-stranded D...
Leakiness of blood vessels in tumors may contribute to disease progression and is key to certain forms of cancer therapy, but the structural basis of the leakiness is unclear. We sought to determine whether endothelial gaps or transcellular holes, similar to those found in leaky vessels in ...
Briefly explain the lysogenic cycle. Lytic Cycle: Viruses are intracellular parasites that cannot replicate themselves without the help of a living host cell. The lytic cycle is one of the means of viral reproduction. In the lytic cycle, the virus uses the host machinery to replicate itself and...
What is the difference between a virus, bacteria, and fungi? Explain the difference between the first and second lines of body defenses against infection by pathogens. Choose any pathogen. Describe one disease process of the pathogen (how does it infect the person...