Answered: What type of cell would you expect to…

What type of cell would you expect to achieve the largest volume: a highly flattened cell or a spherical cell? Explain in details. Why are viruses not considered by most biologists to be alive?

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter17: The Immune System And Disease

Section: Chapter Questions

Problem 1ACQ: Figure 17.5 Which of the following statements about virus structure is true? a. All viruses are...

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Concept explainers

Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.

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What type of cell would you expect to achieve the largest volume: a highly flattened cell or a spherical cell? Explain in details. Why are viruses not considered by most biologists to be alive?

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Why are viruses are not regarded as true living cells?
Which of the following characteristics, structures,or processes is common to both bacteria andviruses?(A) metabolism(B) ribosomes(C) genetic material composed of nucleic acid(D) cell division
Viruses consist of either DNA or RNA wrapped inside a protein coat. Are viruses considered alive? A. Yes, because they contain DNA. B. Yes, because they contain DNA and proteins. C. No, because they lack carbohydrates and lipids. D. No, because some viruses use RNA as the main genetic molecule.
Choose the combination of answers that most accurately completes the statement. In general, RNA viruses multiply in the cell , and DNA viruses multiply in the cell . a. nucleus, cytoplasm b. cytoplasm, nucleus c. vesicles, ribosomes d. endoplasmic reticulum, nucleolus
Explain the Size comparison of viruses with a eukaryotic cell (yeast) and bacteria.
Which of the following is NOT a feature associated with viruses? a. Cytoplasm c. Protein coat b. Genetic information d. Envelope
Which of the following can be used to grow and study viruses? A. embryonated eggs B. living animals. C. cell cultures D. continuous cell lines such as HeLa cells.
Viruses area. protein coats that contain DNA or RNA.b. simple eukaryotic cells.c. simple prokaryotic cells.d. alive.
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How much smaller is a virus than a bacterial cell? Than an animal or a plant cell?
All 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 capsids
Figure 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.