CK-12 Biology CH2.1 quiz

Which of the following elements is required in any organic compound?

• nitrogen

• bromine

• carbon

• sodium

All of the following elements are found in organic compounds EXCEPT for:

• iodine
• hydrogen
• phosphorous
• oxygen

A/An _____________ is a substance that is made of 2 or more elements that are chemically combined.

• atom
• cell
• element
• compound

Enzymes are proteins that regulate ______________.

• pheromones
• nucleic acids
• chemical reactions
• gas prices at Fairgrove Oil

Nucleic acids contain all of the following except for:

• phosphate group
• nitrogen base
• sugar
• magnesium base

Carbohydrates include all of the following except for:

• sugars
• monosaccharides
• Ribonucleic acids
• polysaccharides

Which one is NOT a function for Carbohydrates?

• Short Term Energy
• Cell walls
• Digestion
• Plant Structure

Which two organic molecules contain  only Carbon, Hydrogen, and Oxygen atoms?

• Carbohydrates/Nucleic Acids
• Lipids/Carbohydrates
• Proteins/Nucleic Acids
• Proteins/Lipids

Nucleotides are the building blocks (monomers) of ______.

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Sugars, starches and chitin are examples of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids