Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 5, Problem 18RQ
Many viruses enter host cells through receptor- mediated endocytosis, What is an advantage of this entry strategy?
- The virus directly enters the cytoplasm of the cell
- The virus is protected from recognition by white blood cells
- The virus only enters its target host cell type
- The virus can directly inject its genome into the cell’s nucleus.
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Many viruses enter host cells through receptor-mediated endocytosis, What is an advantage of this entry strategy?
A. The virus directly enters the cytoplasm of the cell
B The virus only enters its target host cell type.
C. The virus is protected from recognition by white blood cells.
D. The virus can directly inject its genome into the cell's nucleus.
. Many viruses enter host cells through receptormediated endocytosis. What is an advantage of thisentry strategy?a. The virus directly enters the cytoplasm of the cell.b. The virus is protected from recognition by whiteblood cells.c. The virus only enters its target host cell type.d. The virus can directly inject its genome into thecell’s nucleus.
A viral mutation that causes changes in the glycoprotein spikes would affect which aspect of the virus?
The virus would become lysogenic and incorporate its genome into the host cell genome.
The virus would enter the host by a combination of endocytosis and fusion.
The virus would lose its viral envelope and become a naked virus.
The virus would attach to different host cells and its host range would be altered.
The viral genome would not require uncoating once inside the host cell.
Chapter 5 Solutions
Biology 2e
Ch. 5 - Figure 5.12 A doctor injects a patient with what...Ch. 5 - Figure 5.16 Injecting a potassium solution into a...Ch. 5 - Figure 5.19 If the pH outside the cell decreases,...Ch. 5 - Which plasma membrane component can be either...Ch. 5 - Which characteristic of a phospholipid contributes...Ch. 5 - What is the primary function of carbohydrates...Ch. 5 - A scientist compares the plasma membrane...Ch. 5 - Water moves via osmosis. throughout the cytoplasm...Ch. 5 - The principal force driving movement in diffusion...Ch. 5 - What problem is faced by organisms that live in...
Ch. 5 - In which situation would passive transport not use...Ch. 5 - Active transport must function continuously...Ch. 5 - How does the sodium-potassium pump make the...Ch. 5 - What is the combination of an electrical gradient...Ch. 5 - What happens to the membrane of a vesicle after...Ch. 5 - Which transport mechanism can bring whole cells...Ch. 5 - In what important way does receptor-mediated...Ch. 5 - Many viruses enter host cells through receptor-...Ch. 5 - Which of the following organelles relies on...Ch. 5 - Imagine a cell can perform exocytosis, but only...Ch. 5 - Why is it advantageous for the cell membrane to be...Ch. 5 - Why do phospholipids rend to spontaneously orient...Ch. 5 - How can a cell use an extracellular peripheral...Ch. 5 - Discuss why the following affect the rate of...Ch. 5 - Why does water move through a membrane?Ch. 5 - Both of the regular intravenous solutions...Ch. 5 - Describe two ways that decreasing temperature...Ch. 5 - A cell develops a mutation in its potassium...Ch. 5 - Where does the cell get energy for active...Ch. 5 - How does the sodium-potassium pump contribute to...Ch. 5 - Glucose from digested food enters intestinal...Ch. 5 - The sodium/calcium exchanger (NCX) transports...Ch. 5 - Why is it important that there are different types...Ch. 5 - Why do ions have a difficult time getting through...
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- Figure 17.6 Influenza virus is packaged in a viral envelope, which fuses with the plasma membrane. This way, the virus can exit the host cell without killing it. What advantage does the virus gain by keeping the host cell alive?arrow_forwardFigure 21.10 Which of the following statements is false? In the lytic cycle, new phages are produced and released into the environment. In the lysogenic cycle, phage DNA is incorporated into the host genome. An environmental stressor can cause the phage to initiate the lysogenic cycle. Cell lysis only occurs in the lytic cycle.arrow_forwardFigure 17.5 Which of the following statements about virus structure is true? a. All viruses are encased in a viral membrane. b. The capsomere is made up of small protein subunits called capsids. c. DNA is the genetic material in all viruses. d. Glycoproteins help the virus attach to the host cell.arrow_forward
- each virus bind to a specific cell surface receptor for attachment, so prevention of viral attachment how would you create a drug which will prevent viral attachment.arrow_forwardWhy would viral genome integration into host cell integration be advantageous to a virus? It enables the virus to kill the cell. It allows the virus to infect cells it would not normally infect. It allows the virus to be passed on to future generations of host cells. It allows the virus to destroy the host cell's DNA. It speeds up viral replication.arrow_forwardAll virus particles, in their infectious form, contain which of the following components? Choose all that apply. Group of answer choices Ribosomes Mitochondria Nuclei Cell membranes Nucleic acids encoding genes Protein capsidsarrow_forward
- ‘’Viruses cannot be grown in standard microbiological culture such as broth and agar. They need to be cultured in the presence of a suitable host such as prokaryotic cells (easiest to grow in the lab), plants and animals because they are unable to reproduce independently in living cells’’.2.2 What are the changes that are brought by a virus to a cell? In your response, make reference to the cytopathic effect (CPE).arrow_forwardYou can choose one or more than one option The viral infection process can be: dependent on the cell type. linked to membrane fusion linked to an endocytosis process independent of host cell metabolism dependent on the host cell cyclearrow_forwardWhich of the following statements is not true? Select one: a. Viruses multiply inside living cells using viral - mRNA, tRNA & ribosomes. b. Viruses multiply inside living cells. c. Viruses contain DNA or RNA. d. The nucleic acid of a virus is surrounded by a protein coat. e. Viruses cause the synthesis of specialized infectious elements.arrow_forward
- A virus would NEVER contain ______________ Select one: a. DNA b. RNA c. Reverse Transcriptase d. Ribosomesarrow_forwardThe viral genome needs to get to the nucleus for the virus that replicates in the nucleus. In other words, the viral nucleocapsid has to overcome two barriers (i.e., plasma membrane and nuclear membrane). Compare and contrast the mechanisms by which the viruses penetrate the two membranes.arrow_forwardAfter a virus has entered its host, what factor usually determines the manner (or steps) in which the viral genome is copied and the viral enzymes are produced? the size of the virion the number of infecting virus particles the type of viral genome the type of viral capsidarrow_forward
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