What was the original belief about organic compounds in the 1800s?
Biochemical Building Blocks & Fischer and Haworth Projections: Crash Course Organic Chemistry

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Chemistry, Science, Engineering
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11th Grade - University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They were only found in plants.
They could only be synthesized in laboratories.
They were made from inorganic materials.
They were exclusively derived from living organisms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of carbohydrates?
They always contain a nitrogen atom.
They have a 2:1 hydrogen to oxygen ratio.
They are always sweet.
They are only found in plants.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between D and L sugars in Fischer projections?
The position of the OH group on the bottom-most chiral carbon.
The number of carbon atoms.
The presence of a ketone group.
The position of the carbonyl group.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a nucleoside composed of?
A nitrogenous base and a phosphate group.
A nitrogenous base, a sugar, and a phosphate group.
A nitrogenous base and a sugar.
A sugar and a phosphate group.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sugar is used in RNA?
Ribose
Fructose
Glucose
Deoxyribose
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are triglycerides primarily composed of?
Carbohydrates and fatty acids
Amino acids and glycerol
Fatty acids and glycerol
Phosphate groups and glycerol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a phospholipid?
A lipid with no fatty acid chains
A lipid with two phosphate groups
A lipid with a phosphate group replacing one fatty acid chain
A lipid with three fatty acid chains
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