Chapter 2

What is the study of matter and its interactions called?

• Physics
• Chemistry
• Geology
• Biology

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Which group of organic molecules functions as enzymes and structural components in biological macromolecules?

• Lipids
• Nucleic acids
• Carbohydrates
• Proteins

What is the main function of proteins?

• Enzyme production
• Cellular respiration
• Structural components of cell membranes
• Energy storage

Tags

NGSS.HS-LS1-1

What is the unique property of water that allows it to form hydrogen bonds?

• High boiling point
• Low density
• Acidity
• Polarity

What are the unique properties of water?

• Low specific heat, high heat of vaporization, cohesion and adhesion
• High specific heat, low heat of vaporization, low cohesion and adhesion
• High specific heat, high heat of vaporization, cohesion and adhesion
• Low specific heat, low heat of vaporization, low cohesion and adhesion

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS3-4

What is the importance of water in living organisms?

• It is a universal solvent
• It provides energy for cellular processes
• It regulates gene expression
• It transports nutrients in the body

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which group of organic molecules functions as a source of energy in biological macromolecules?

• Lipids
• Proteins
• Carbohydrates
• Nucleic acids

Tags

NGSS.HS-LS2-3

What are lipids?

• Hydrophobic molecules
• Carbohydrates
• Proteins
• Hydrophilic molecules

What type of bond occurs when atoms share electrons?

• Metallic bond
• Covalent bond
• Ionic bond
• Hydrogen bond

What is the molecular structure of water?

• Two hydrogen atoms covalently bonded to one oxygen atom
• Two oxygen atoms covalently bonded to one hydrogen atom
• Two carbon atoms covalently bonded to one oxygen atom
• Two hydrogen atoms covalently bonded to one carbon atom

Tags

NGSS.MS-PS1-1