Warm-up 3-4

What does the word harness mean in the passage above?

• utilize

• destroy

• separate

Which word from the passage has a root that relates to the meaning light?

• organelle

• chloroplast

• photosynthesis

What is the meaning of the metaphor in bold print?

• It means that cells are

• what living things are

• built out of

Which word is a synonym for permeable?

• porous

• rigid

• strong

Rewrite the underlined sentence from the passage. Which sample response better varies the sentence structure?

• They both have a nucleus in the center, as well as a jelly-like substance called cytoplasm. Also, both types of cells contain a thin, permeable membrane which wraps around the cell.

• They both have a nucleus in the center, and a jelly-like substance called cytoplasm. Both types of cells contain a thin, permeable membrane which wraps around the cell.

• They both have a nucleus in the center.

• They both have thin, permeable cytoplasm.