Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 24, Problem 20RQ
Yeast is a facultative anaerobe. This means that alcohol fermentation takes place only if:
- the temperature is close to 37°C
- the atmosphere does not contain oxygen
- sugar is provided to the cells
- light is provided to the cells
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Which of the following organisms can use fermentation to produce energy? Select all that apply.
Saccharomyces yeasts
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If an organism tests positive for catalase, which of the following is MOST likely true about the organism?
It can only do homolactic fermentation
It returns nitrogen back to the atmosphere
It can break down plasma membranes
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What is the end product of fermentation?
Lactic acid
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Two of the above
Chapter 24 Solutions
Biology 2e
Ch. 24 - Figure 24.14 Which of the following statements is...Ch. 24 - Figure 24.17 Which of the following statements is...Ch. 24 - Figure 24.21 If symbiotic fungi are absent from...Ch. 24 - Which polysaccharide is usually found in the cell...Ch. 24 - Which of these organelles is not found in a fungal...Ch. 24 - The wall dividing individual cells in a fungal...Ch. 24 - During sexual reproduction, a homothallic mycelium...Ch. 24 - The life cycles of perfect fungi are most similar...Ch. 24 - The most primitive phylum of fungi is the...Ch. 24 - Members of which phylum produce a club shaped...
Ch. 24 - Members of which phylum establish a successful...Ch. 24 - The fungi that do not reproduce sexually used to...Ch. 24 - A scientist discovers a new species of fungus that...Ch. 24 - What term describes the close association of a...Ch. 24 - Why are fungi important decomposers? They produce...Ch. 24 - Consider an ecosystem where all the fungi not...Ch. 24 - A fungus that climbs up a tree reaching higher...Ch. 24 - A fungal infection that affects nails and skin is...Ch. 24 - The targets for anti-fungal drugs are much more...Ch. 24 - Yeast is a facultative anaerobe. This means that...Ch. 24 - The advantage of yeast cells over bacterial cells...Ch. 24 - Why are fungal insecticides an attractive...Ch. 24 - What are the evolutionary advantages for an...Ch. 24 - Compare plants, animals, and fungi, considering...Ch. 24 - Why is the large surface area of the mycelium...Ch. 24 - What is the advantage for a basidiomycete to...Ch. 24 - For each of the four groups of perfect fungi...Ch. 24 - Why does protection from light actually benefit...Ch. 24 - Ambrosia bark beetles carry Amb/os/e//a fungal...Ch. 24 - Ecologists often attempt to introduce new plants...Ch. 24 - Why can superficial mycoses in humans lead to...Ch. 24 - Explain how the Red Queen Hypothesis describes the...Ch. 24 - Historically, artisanal breads were produced by...Ch. 24 - How would treating an area of a forest with a...
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- Kombucha requires two fermentation steps. The first one is partly aerobic and partly anaerobic. The aerobic growth occurs because the kombucha is allowed to brew exposed to oxygen. Where is the anaerobic growth occurring in the first fermentation step? The second fermentation step is the step in which we add the kombucha to a sealed bottle therefore I'm confused as to where it can occur before we seal it.arrow_forwardMatch each of the following terms to their proper description. You may have to use your textbook for this question. Obligate aerobe V [ Choose ] require lower than atmospheric amounts of oxygen don't require oxygen, but aren't negatively affected by it a microaerophile that requires a higher amount of CO2 than usual requires oxygen for respiration Obligate anaerobe grow with or without oxygen any amount of oxygen is lethal Facultative anaerobe [ Choose ] Aerotolerant anaerobe [ Choose ] Microaerophile [ Choose ] Capnophile [ Choose ] > > > >arrow_forwardFermentation will occur under anaerobic conditions only Sometimes the condition is temporary, resulting in lactic acid fermentation Once an oxygen debt has been repaid, fermentation will stop under anoxic conditions only Sometimes the condition is temporary, resulting in lactic acid fermentation Once an oxygen debt has been repaid, fermentation will stop under anoxic or anaerobic conditions Sometimes the condition is temporary, resulting in lactic acid fermentation Once an oxygen debt has been repaid, fermentation will stop under anoxic or anaerobic conditions Sometimes the condition is permanent, resulting in lactic acid fermentationarrow_forward
- A chemolithotroph would use which of the following as a source of energy? magnetic field glucose light H2arrow_forwardComplete the table below regarding different types of fermentation. Microbe Type of fermentation it carries out Products generated through fermentation Saccharomyces cerevisiae Escherichia coli Enterobacter aerogenes Lactobacillus acidophilusarrow_forwardDescribe at least one way that we utilize alcohol fermentation by yeast to make a food or beverage product.arrow_forward
- Beer is produced by yeast fermentation of grain to ethanol. Why must the process of beer production be anaerobic?arrow_forwardcell number This bacterium can be classified as a: hyperthermophile psychrophile thermophile mesophile 4ºC 44°C Time 37ºC 22ºCarrow_forwardA wound is swabbed and the swab is placed at 4°C after collection to stop bacterial growth until processing by the lab. Which of the following apply? The bacteria aer intracellular pathogens O The bacteria are mesophiles The bacteria are acidophiles The bacteria are neutrophiles O The bacteria are resistant to antibioticsarrow_forward
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