What is the structure of glucose?
IB Biology - Carbohydrates and Lipids Review

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Biology
•
11th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Glucose is a six-carbon sugar (hexose) with the molecular formula C6H12O6. It has a ring structure in aqueous solutions.
2.
FLASHCARD QUESTION
Front
Why can't glucose diffuse through the phospholipid bilayer?
Back
Glucose is polar and therefore hydrophilic, which prevents it from diffusing through the hydrophobic core of the phospholipid bilayer.
3.
FLASHCARD QUESTION
Front
What is the primary function of carbohydrates in living organisms?
Back
Carbohydrates serve as a primary energy source and are involved in structural functions in cells.
4.
FLASHCARD QUESTION
Front
What is cellulose and its role in plants?
Back
Cellulose is a polysaccharide that provides structural support to plant cell walls.
5.
FLASHCARD QUESTION
Front
What are the two main types of carbohydrates?
Back
The two main types of carbohydrates are simple carbohydrates (sugars) and complex carbohydrates (starches and fibers).
6.
FLASHCARD QUESTION
Front
What is the difference between saturated and unsaturated fatty acids?
Back
Saturated fatty acids have no double bonds between carbon atoms, while unsaturated fatty acids contain one or more double bonds.
7.
FLASHCARD QUESTION
Front
What is a cis unsaturated fatty acid?
Back
A cis unsaturated fatty acid has hydrogen atoms on the same side of the double bond, causing a bend in the fatty acid chain.
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