Chemistry of Life Review

Why is water often referred to as the 'universal solvent'? What characteristic of water allows it to dissolve many substances?

• low density

• polarity and hydrogen bonding

• colorless and odorless

• ability to freeze at 0 degrees

Tags

NGSS.HS-PS1-2

Larger molecules, also known as _____________, are formed by the combination of smaller units called _____________.

• polymers, monomers

• complex carbohydrates, monosaccharides

• carbon chains, nucleic acids

• RNA, DNA

Tags

NGSS.HS-LS1-6

Which of the following is a building block of carbohydrates?

• fatty acids

• glycerol

• monosaccharide

• nucleotide

What is the primary function of carbohydrates in living organisms?

• To provide structural support

• To store and release energy

• To aid in digestion

• To boost the immune system

Which of the following elements are not typically found in lipids?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

• Phosphorus

Which of the following is a correct statement about biological macromolecules?

• Nucleic acids are made of proteins.

• Fatty acids are made of glycerol.

• Polysaccharides are made of simple sugars.

• Amino acids are made of proteins.

What is the basic building block of a protein?

• fatty acid

• glucose

• amino acid

• nucleotide

Tags

NGSS.HS-LS1-6

Which of the following is NOT a role of proteins in the human body?

• acting as enzymes to speed up biochemical reactions

• transmitting genetic information from one generation to the next

• building and repairing tissues

• providing energy for the body

In X, Y, Z order, identify what each letter stands for.

• phosphate group, deoxyribose and nitrogenous base

• nitrogenous base, deoxyribose and phosphate group

• deoxyribose, phosphate group and nitrogenous base

• deoxyribose, nitrogenous base and phosphate group

Tags

NGSS.HS-LS1-1

Which elements are the building blocks of Nucleic acids?

• Phosphorus

• Nitrogen

• Hydrogen

• Carbon

• Oxygen