Cells

The structure of the cell membrane contributes to the overall function of the cell in what way?

• it holds organelles in place
• it stores water the cell needs to survive
• it carries signals from one cell to the next
• it allows certain things to move in and out of the cell

In plant cells, how are chloroplasts and mitochondria related?

• chloroplast manufacture food;mitochondria break down the food and convert it into energy
• Chloroplast package nutrients;mitochondria deliver them
• Chloroplast absorb water;mitochondria store the water
• chloroplast are the  brain of the cell;mitochondria deliver messages

The overall shape of a plant cell is most directly related to which of its parts?

• mitochondria
• cell wall
• cell membrane
• chloroplast

Genes are  located in which part of the cell?

• vacuole
• chromosome
• ribosome
• cytoplasm

Plants move and grow by pumping water  into  and out of cells. Because the pressure in plant cells can be so much greater than in animal cells, plant cells need-

• a nucleus
• mitochondria
• cell walls
• chloroplasts

What types of organisms have cells with very large  vacuoles?

• animal
• plant
• bacteria
• fungi

Which answer best describes the function of the mitochondria?

• located in the cytoplasm
• bacteria-sized organelle
• converts energy for cell use
• contains folded inner membrane

Which of  the  following do all living  organisms have in common?

• cells are held up by cell walls
• the method to  get water and food into their cells
• cells are made from pre-existing cells
• special cells that can do many different things

Which cell structure functions like a school principal's  office?

• cell wall
• cell membrane
• vacuole
• nucleus

Through which cell structure does waste exit the cell?

• nucleus
• vacuole
• mitochondria
• cell membrane