Chemistry of Life

Which two substances are among the six most abundant elements in living things?

• carbon (C)

• sodium (Na)

• fluorine (F)

• hydrogen (H)

Which two substances are among the four major types of organic compounds made by living things?

• Water

• Carbon Dioxide

• Lipids

• Nucleic Acids

Which two substances are among the six most abundant elements in living things?

• Chlorine

• Calcium

• Nitrogen

• Helium

Which two substances are among the four major types of organic compounds made by living things?

• carbohydrates

• proteins

• water

• potassium

Which statement best describes the movement of carbon dioxide into or out of a plant during photosynthesis?

• it is taken from the air

• it is taken from the soil

• it is given off into the air

• it is given off into the soil

Tags

NGSS.MS-LS1-6

Which model best shows the movement of water during photosynthesis?

• atmosphere --> soil

• atmosphere --> plant

• soil --> plant

• plant --> soil

Tags

NGSS.MS-LS1-6

Which statement best describes the movement of water into or out of a plant during photosynthesis?

• It is taken in from the air

• it is taken in from the soil

• it is made in the plant

• it is given off into the soil

Tags

NGSS.MS-LS1-6

Which model best shows the movement of oxygen during photosynthesis?

• atmosphere --> plant

• soil --> plant

• plant --> soil

• plant --> atmosphere

Tags

NGSS.MS-LS1-6

What happens first during cellular respiration?

• The formation of many molecules of ATP

• The breakdown of food molecules into smaller organic molecules

• The movement of small organic molecules into a mitochondrion

• The breakdown of small organic molecules into carbon dioxide

Tags

NGSS.HS-LS1-7

Which two substances are reactants in the chemical reactions of cellular respiration? Remember, reactants are the "ingredients used." Products are the materials created with those ingredients.

• sugar

• oxygen

• carbon dioxide

• water

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3