Science test Flashcards
What organelle holds genetic material (DNA) and controls the cell’s building and operation?
Nucleus
What is the function of ribosomes?
Take instructions from DNA and build massive protein molecules to help the cell function
What organelle is known as the powerhouse of the cell?
Mitochondria
What process occurs in the mitochondria?
Cellular respiration, which turns sugar and oxygen into energy
What are vacuoles used for in plant and animal cells?
Storage areas; plant cells have large vacuoles for water and nutrients, while animal cells have small vacuoles for waste
What is cytosol?
The liquid that fills the cell where most of the chemical reactions occur
What is the function of the cell membrane?
Controls what comes in and what goes out and protects the cell from its surroundings
What provides strength to plant cells?
Cell wall
What organelle uses sunlight to make sugars?
Chloroplasts
Fill in the blank: The _______ is the boundary of the cell.
Cell membrane
True or False: Chloroplasts are involved in photosynthesis.
True
Fill in the blank: The _______ are storage areas for the cell.
Vacuoles
