What is Wine? - CORRECT ANSWER >>>>An alcoholic
beverage made from grapes
In a grape, what are 3 key components of the PULP? -
CORRECT ANSWER >>>>1. Water
2. Sugar
3. Acids
What component, found the the skin of grapes, causes a
mouth-drying sensation? - CORRECT ANSWER >>>>Tannin
The pigmentation (color) of red wines come from which part
of the grape? - CORRECT ANSWER >>>>Skin
,2|Page
Why are some wines "white" (with almost no
pigmentation)? - CORRECT ANSWER >>>>Because they are
made from juice extracted from the PULP of grapes ONLY
Why are some wines pink or red? - CORRECT ANSWER
>>>>Because they are made from juice extracted from
BOTH PULP AND SKINS of grapes
What single-celled organisms are required for the
transformation of grape juice into an alcoholic beverage? -
CORRECT ANSWER >>>>Yeasts
Where do yeasts come from? - CORRECT ANSWER
>>>>Yeast are naturally found in the vineyards, on the
surface of grape skins or can be inoculated by a winemaker.
What is the role of yeasts in the winemaking process? -
CORRECT ANSWER >>>>Yeasts transform sugar into alcohol
and carbon dioxide gas
The level of sugar in the grape is directly correlated to... -
CORRECT ANSWER >>>>... the potential of alcohol in the
finished wine.
What causes alcohol production to stop? - CORRECT
ANSWER >>>>1. when all the sugars are consumed by
yeasts.
, 3|Page
2. when the alcohol by volume (ABV) reaches levels that are
toxic for yeasts (typically above 15 percent ABV)
The phenomenon by which yeasts transform sugar into
alcohol is called... - CORRECT ANSWER >>>>Fermentation
On what plants do grape grow? - CORRECT ANSWER >>>>On
grape vines
What is the lifespan of a vine plant? - CORRECT ANSWER
>>>>Decades
In temperate climates, the vine will flower in which season?
- CORRECT ANSWER >>>>Spring
Each flower will become a... - CORRECT ANSWER >>>>Grape
berry
On vine plants, flowers grow in clusters that will give
grape... - CORRECT ANSWER >>>>Bunches
Before they ripen, grape berries are... - CORRECT ANSWER
>>>>Small, green and hard
During ripening, white grapes change from green color to... -
CORRECT ANSWER >>>>Golden color
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller keithdaniel. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $25.99. You're not tied to anything after your purchase.
