Chemistry Of Life 1

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

The 4 macromolecules are

• vitamins, lipids, water, micronutrients
• micronutrients, macronutrients, water, vitamins
• Lipids, Waxes, Vitamin A, Water
• Carbohydrates, Lipids, Proteins, Nucleic Acids

What are proteins made of?

• amino acids

• monosaccharides

• nucleic acids

• fatty acids

Tags

NGSS.HS-LS1-6

Which biomolecule has sugars and starches?

• Lipids
• Proteins
• Carbohydrates
• Nucleic Acid

Which macromolecule is used as our main source of energy?

• Lipids/Fats

• Nucleic Acids

• Proteins

• Carbohydrates

Tags

NGSS.HS-LS1-7

This macromolecule breaks down into sugars such as glucose.

• Lipids/Fats

• Nucleic Acids

• Protein

• Carbohydrates

Tags

NGSS.HS-LS1-7

DNA and RNA are examples of 

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

What is the function of nucleic acids?

• store genetic information
• store energy (long-term)
• store energy (short-term)
• build skin, hair, nails, muscles

Tags

NGSS.HS-LS3-1

What subatomic particles are found in the nucleus and have a positive charge?

• Neutrons

• electron

• atoms

• protons