Quiz 3_ FST 003V 001 WQ 2024 1

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University of California, Davis *

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Biology

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Feb 20, 2024

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Quiz 3 截止时间 2 16 23:59 得分 20 问题 20 可用 2 16 6:00 2 16 23:59 17 小时 59 分钟 时间限制 40 分钟 说明 尝试历史记录 尝试 时间 分数 最新 尝试 1 23 分钟 20 ,满分 20 此测验的分数: 20 ,满分 20 提交时间 2 16 21:13 此尝试进行了 23 分钟。 问题 1 1 / 1 正确 ! True Welcome to Quiz 3. This week's quiz covers the following topics 1. Hops 2. Yeast The quiz is comprised of 20 questions. The questions is made up of True/False and Multiple choice questions. Once you start the quiz it is timed for 40 minutes. Please complete the quiz in this time. The timer is running once you start and will stop at 40 minutes. Good luck Glen The purpose of late hopping is to allow the oils to survive.
Late hopping allows oils to survive. An example of a beer that uses this process is a pilsner. False 问题 2 1 / 1 Yields a larger crop Cheaper to buy More resistant to pests and disease 正确 ! Easier to cultivate and harvest Correct. They are also cheaper to maintain. 问题 3 1 / 1 The filter The lauter The mash 正确 ! The kettle 问题 4 1 / 1 正确 ! Lupulin glands Correct. Lupulin are the yellow glands that contain the key components of the hop that the brewer is interested in. Bracteole Seeds Bract What is the main benefit of dwarf hops? Where are hops traditionally added during brewing? Which part of the hop plant is of most interest to brewers?
问题 5 1 / 1 正确 ! They are sensitive to light They are only 25% utilized They cause extreme bitterness They are really expensive 问题 6 1 / 1 Sweet Hops 正确 ! Bittering hops 正确 ! Dual purpose hops 正确 ! Aroma hops Taste hops 问题 7 1 / 1 No hops Dry hopping Fresh Hopping 正确 ! Late hopping Correct. This technique will give the beer a relatively gentle hop character. 问题 8 1 / 1 正确 ! What is the downside to iso-alpha acids? What are the three categories of hops? Pilsner (a lager from Europe) owes some of its character to which technique? Hops are antiseptic.
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True Correct. Hops are an antiseptic, and have several other personal care uses as well such as mouthwash and shampoo. False 问题 9 1 / 1 正确 ! Cascade Cascade is an American hop. 正确 ! Saaz Saaz is a hop from the Czech Republic. 正确 ! Fuggles Fuggles is an English hop. Denali 问题 10 1 / 1 No answer text provided. 正确 ! Resins Correct. They comprise the alpha acids that contribute to bitterness and support the foam of the beer. Polyphenols Anthocyanins 问题 11 1 / 1 正确 ! Acetaldehyde Select the three hops discussed in lecture. Bitterness comes from the _____. Match the yeast byproduct with its corresponding aroma
Green Apple 正确 ! Esters Fruits (banana, pears) 正确 ! Fatty Acids Wet dog, Goat 正确 ! Diacetyl Butterscotch, Popcorn 正确 ! Hydrogen sulfide Eggy 问题 12 1 / 1 sporulation 正确 ! budding mitosis meiosis 问题 13 1 / 1 Bud scars Methyl red 正确 ! How does a yeast cell multiply in a brewery fermentation? Yeast viability can be assessed using
Methylene blue Fluffiness of colonies when grown on agar plates 问题 14 1 / 1 To make DNA 正确 ! To make its membranes To make the cell wall To make alcohol 问题 15 1 / 1 1 million cells/mL/10ºPlato 1 million cells/uL/1ºPlato 10 million cells/L/10ºPlato 正确 ! 1 million cells/mL/1ºPlato 问题 16 1 / 1 seeing whether it will grow on melibiose total cell count 正确 ! counting scars studying its flocculation 问题 17 1 / 1 Hydrometer 正确 ! Yeast needs a little oxygen A typical pitching rate for yeast is what? You can tell the age of a yeast cell by What device is used to count the number of yeast cells?
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Hemocytometer None of the above Ebulliometer 问题 18 1 / 1 正确 ! doesn’t use melibiose 正确 ! dry hopping slower fermentation 正确 ! top fermenting bottom fermenting late hopping 正确 ! fast fermentation 正确 ! more heat tolerant uses melibiose 问题 19 1 / 1 10 15 5 正确 ! 1 问题 20 1 / 1 Spent grains Which of the following pertain to ales and ale yeast? What is the specific gravity of water? What is Marmite made from?
Barley husks Hop seeds 正确 ! Surplus yeast 测验分数: 20 ,满分 20