Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Question
Chapter 6, Problem 2Q
Summary Introduction
To determine:
The benefit of adapting sexual reproduction over asexual reproduction.
Concept introduction:
The microorganisms reproduce both sexually and asexually. Sexual method of reproduction involves fusion of male and female gametes the progeny developed is not identical to any one parent. But the most commonly used method is asexual reproduction that includes binary fission, and budding. The progeny formed by this reproduction is genetically identical to its parent.
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Many simple eukaryotes reproduce by asexual reproduction, using only mitosis. Assuming the environment is stable and the organism is well adapted to its environment, why is this a better form of reproduction for these organisms?
Most organisms do not reproduce sexually, so why is sexual reproduction advantageous for some organisms?
Q1: Name one similarity between cell division in prokaryotes and eukaryotes. Q2: Why is binary fission referred to as “asexual reproduction”? Q3: Name one difference between cell division in prokaryotes and eukaryotes.
Chapter 6 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 6.1 - List the essential nutrients of a bacterial cell.Ch. 6.1 - Prob. 2AYPCh. 6.1 - List and define four different terms that describe...Ch. 6.1 - Prob. 4AYPCh. 6.1 - Compare and contrast the processes of diffusion...Ch. 6.1 - Identify the effects of isotonic, hypotonic, and...Ch. 6.1 - Name two types of passive transport and one type...Ch. 6.1 - Prob. 1NPCh. 6.1 - Prob. 2NPCh. 6.1 - Prob. 3NP
Ch. 6.1 - Prob. 1MMCh. 6.2 - List and define five terms used to express the...Ch. 6.2 - Summarize three ways in which microorganisms...Ch. 6.2 - Identify three important environmental factors...Ch. 6.2 - List and describe the five types of associations...Ch. 6.2 - Discuss characteristics of biofilms that...Ch. 6.2 - Which statements are true with respect to...Ch. 6.3 - Summarize the steps of cell division used by most...Ch. 6.3 - Define doubling time, and describe how it leads to...Ch. 6.3 - Compare and contrast the four phases of growth in...Ch. 6.3 - Identify one culture-based and one...Ch. 6.3 - Prob. 2MMCh. 6 - Which descriptors are likely to have applied to...Ch. 6 - Prob. 2QCh. 6 - Speculate about how earths atmosphere came to...Ch. 6 - Which of the following is true of passive...Ch. 6 - Compare the effects of a hypertonic, hypotonic,...Ch. 6 - Usually scientists looking for life on other...Ch. 6 - An organism that can synthesize all its required...Ch. 6 - Provide evidence in support of or refuting this...Ch. 6 - Develop an explanation for why biofilm bacteria...Ch. 6 - Most bacteria increase their numbers by a. sexual...Ch. 6 - Looking at figure 6.3, explain how a cell in a...Ch. 6 - In binary fission, the parent chromosome is...Ch. 6 - A cell exposed to a hypertonic environment will...Ch. 6 - Prob. 14QCh. 6 - Bacteria and archaea are ubiquitous on the planet....Ch. 6 - Prob. 16QCh. 6 - How can you explain the fact that an unopened...Ch. 6 - Prob. 18QCh. 6 - In a viable count, each ____ represents a ______...Ch. 6 - If an egg salad sandwich sitting in a car on a...Ch. 6 - Scientists now believe that most bacteria in...Ch. 6 - Prob. 1VC
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- What is one way in which all eukaryotic cells and all prokaryotic cells are similar? a. They reproduce sexually b. They both have ribosomes. b. They are roughly the same size. c. They are contained in a cell membrane. d. They share the same kinds of organelles.arrow_forwardUnicellular organisms such as bacteria depend on asexual reproduction. Why is sexual reproduction so common in multicellular organisms? 1 - because it produce more offspring 2 - because it creates genetic variation in the population 3 - because a sexual population can grow faster than an. Asexual population 4 - because it produces offspring that are identical to the parents 5 - because it requires less energyarrow_forwardYou work for NASA's Mars Exploration Team. Your team has successfully landed Mars Perseverance rover and have been collecting tons of data. Your team has now been tasked with colonizing the planet as quickly as possible. You and your team are debating whether to send organisms that reproduce asexually, sexually, or both. The location for colonization on Mars has a stable climate with predictable weather patterns. Since you are the head of the team, you have the final decision. What type of reproduction method would you choose? Provide evidence to support your choice. *arrow_forward
- Reproduction can serve two very different functions. What are they?arrow_forwarddistinguish the features of the different kingdoms of life and their respective taxonomic groups according to reproduction please do not copy from others and explain well. i will upvotearrow_forwardTell me three characteristics of mitochondria that support the endosymbiotic theoryarrow_forward
- The antibiotic penicillin interferes with synthesis of the peptidoglycan, an essential component of the bacterial cell wall. Bacteria treated with penicillin cannot reproduce. Explain how penicillin halts binary fission.arrow_forwardWhy do most species eventually evolve sexual reproduction?arrow_forwardList three reasons why individuals that result from sexual reproduction do not have the same DNA instructions as their parents.arrow_forward
- Some organisms are capable of asexual or sexual reproduction. Under favorable conditions, reproduction proceeds asexually. When conditions become more stressful reproduction switches to a sexual mode. Why? Question options: Sexual reproduction is simple and more rapid allowing larger numbers of offspring to be produced. Sexual reproduction requires two separate individuals, who can mutually provide nutrient support during stress. Sexual reproduction produces individuals with new combinations of recombined chromosomes increasing diversity. Asexual reproduction requires more energy.arrow_forwardExplain why prokaryotes can reproduce more rapidly than eukaryotes and why rapid reproduction can be advantageous.arrow_forwardYou have identified a novel eukaryotic parasite whose genome is triploid (ploidy = 3) and contains a haploid number of 8. What is the total number chromosomes in a somatic cell from this parasite? 3 8 9 16 24arrow_forward
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