Metabolites of grapevine Flashcards
(25 cards)
What are metabolites?
Metabolites are small molecules produced during metabolism that play key roles in cellular processes.
True or False: Grapevine metabolites are only produced in the fruit.
False
Fill in the blank: The primary metabolites in grapevines include carbohydrates, proteins, and __________.
lipids
What are secondary metabolites?
Secondary metabolites are organic compounds that are not directly involved in the normal growth, development, or reproduction of an organism.
Name one important secondary metabolite found in grapevines.
Resveratrol
Multiple Choice: Which of the following is a function of flavonoids in grapevines? A) Photosynthesis B) UV protection C) Nutrient storage
B) UV protection
What role do phenolic compounds play in grapevines?
Phenolic compounds contribute to the color, flavor, and astringency of grape products.
True or False: Terpenes are responsible for the aroma in grapes.
True
What is the significance of anthocyanins in grapevines?
Anthocyanins contribute to the red, blue, and purple colors of grape skins.
Fill in the blank: Grapevine metabolites can influence __________ resistance.
disease
Name two types of primary metabolites in grapevines.
Carbohydrates and proteins
Multiple Choice: Which metabolite is known for its antioxidant properties in grapes? A) Resveratrol B) Glucose C) Protein
A) Resveratrol
What is the main carbohydrate stored in grapevines?
Glucose
True or False: All grapevine metabolites are beneficial to human health.
False
What are the two classes of metabolites in grapevines?
Primary and secondary metabolites
Fill in the blank: Grapevine terpenes are primarily responsible for __________.
aroma
What is the effect of environmental stress on grapevine metabolites?
Environmental stress can increase the production of secondary metabolites.
Multiple Choice: Which of the following is NOT a secondary metabolite in grapevines? A) Flavonoids B) Tannins C) Sucrose
C) Sucrose
What is the role of tannins in grapevines?
Tannins contribute to the astringency and bitterness of grape products.
True or False: Grapevine metabolites can be influenced by grape variety.
True
What is the primary function of amino acids in grapevines?
Amino acids are building blocks of proteins and play a role in growth and development.
Fill in the blank: The production of grapevine metabolites can be affected by __________ conditions.
climatic
Name one factor that can influence the concentration of metabolites in grapevines.
Soil type
Multiple Choice: Which metabolite is primarily associated with heart health? A) Resveratrol B) Sucrose C) Chlorophyll
A) Resveratrol