Macromolecules Notes

Multiple Choice

Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.

• Starch
• Glycogen
• Cellulose
• Chitin

Multiple Choice

Carbohydrates are composed of Carbon, Hydrogen and Oxygen

• True

• False

Multiple Choice

A polymer: or many units of a carbohydrate is

• monosaccharide

• polysaccharide

• fruit

• lipid

Multiple Choice

Fats and oils: a major source of food providing long term energy and other functions.

• Sugars

• Carbohydrates

• Lipids

• Proteins

Multiple Choice

A hydrocarbon chain that is sometimes considered to be a monomer of lipids.

• Fatty Acids

• Nucleic Acids

• Proteins

• Lipids

Multiple Choice

The phospholipid bilayer comprises what part of the cell?

• cytoplasm
• cell membrane
• cytoskeleton
• nuclear membrane

Multiple Choice

What does an enzyme do?

• slows down chemical reactions

• speeds up chemical reactions

• increases the temperature of the reaction

Multiple Choice

Through dehydration synthesis two or more amino acids are linked together by

• a ionic bond

• a polar covalent bond

• a nonpolar covalent bond

• peptide bond

Multiple Choice

All of the following are roles of proteins EXCEPT

• Act as enzymes

• Give cells/organisms structure

• Provide a short-term source of energy

• Protection against disease

Multiple Choice

All organic compounds contain the element

• carbon
• nitrogen
• phosphorus
• sulfur

Multiple Choice

The monomer, building block, of DNA and RNA; made up of a sugar, phosphate, and nitrogenous base

• Amino Acid
• Fatty Acid
• Nucleotide
• Monosaccharide

Multiple Choice

The three elements that make up most of all 4 types of macromolecules

• Water, Oxygen, & Hydrogen
• Carbon, Hydrogen, & Oxygen
• Nitrogen, Hydrogen, & Oxygen
• Nitrogen, Phosphorus, & Sulfur

Multiple Choice

Which macromolecule is this?

• carbohydrate
• lipid
• protein
• nucleic acid