Biochemistry

Glucose is a _____.

• carbohydrate
• lipid
• protein 
• nucleic acid

Tags

NGSS.MS-PS1-1

Proteins are composed of what smaller building blocks?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

Tags

NGSS.HS-LS1-1

How many different amino acids are there?

• 4
• 20
• 6
• 46

Water is classified as an inorganic compound because it

• does not contain carbon
• does not contain nitrogen
• contains hydrogen
• contains oxygen

Tags

NGSS.MS-PS1-1

Vegetable oils, such as corn oil, belong to which general class of organic substances?

• lipids
• proteins
• carbohydrates
• salts

Two examples of carbohydrates are

• fatty acids and glycerol
• fats and waxes
• sugars and starches
• amino acids and alcohol

Which of the following is an organic compound?

• H₂O
• C₆H₁₂O₆
• NH₂
• OH

In the diagram which substance belongs in area Z?

• water
• oxygen
• nitrogen
• carbon

Tags

NGSS.HS-LS1-6

Which substance plays a major role in most of the chemical reactions that occur in a living cell?

• water
• glycogen
• glycerol
• maltose

Tags

NGSS.HS-LS1-5

Which statement describes all enzymes?

• They control the transport of materials.
• They provide energy for chemical reactions.
• They affect the rate of chemical reactions.
• They absorb oxygen from the environment.

Tags

NGSS.HS-PS1-5