Biological molecules

Which of the following elements is NOT found in all organic molecules.

• Carbon

• Hydrogen

• Sulfur

• Oxygen

Tags

NGSS.HS-LS1-6

Which of the following best describes the function of carbohydrates?

• Energy resource for cells

• Help speed up chemical reactions

• Transport of molecules in/out of the cell membrane

Tags

NGSS.MS-LS1-7

In a carbohydrate, which of the following best describes the ratio of carbon to hydrogen to oxygen (in that order)?

• 1:1:1

• 2:1:1

• 1:2:1

• 1:1:2

Glucose is a

• Lipid

• Protein

• Simple sugar (monosaccharide)

• Complex sugar (polysaccharide)

Which of the following is not a complex sugar (polysaccharide)?

• Cellulose

• Glycogen

• Ribose

• Starch

Which of the following complex sugars (polysaccharides) are only found in animals?

• Cellulose

• Glycogen

• Starch

What is the function of starches in plants and glycogen in animals?

• Stored energy in cells

• Structure for cell

• Speed up chemical reactions

Tags

NGSS.MS-LS1-7

What element is found in proteins but NOT carbohydrates?

• Carbon

• Hydrogen

• Nitrogen

• Oxygen

The building blocks of proteins are called

• Amino acids

• Carbohydrates

• Fatty acids

• Riboses

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following is NOT a function of proteins

• Enzymes: speed up chemical reactions

• Energy: stored energy in cells

• Transport: movement of molecules into/out of cells

• Structure: provides shape to cells and tissues