Life Science Review

_______ are the smallest units of life because they grow, reproduce, respond, and use energy.

• atoms

• elements

• cells

• all of the above

The cell theory states that_________

• cells come from cells

• all organisms are made of cells

• cells are the basic unit of structure and function for life

• all of the above

Which of the following are NOT found in animal cells

• chloroplasts and cytoplasm
• chloroplasts and cell wall
• cell wall and cell membrane
• mitochondria and nucleus

The nucleus is like the ____________ of the cell.

• foot
• hand
• stomach
• brain

Which of the following converts food into energy for the cell?

• vacuole

• mitochondria

• cytoplasm

• cell membrane

The fluid that surrounds the organelles is... (hint... "Try to pull a fast one and..."

• chloroplast

• cytoplasm

• vacuole

• cell wall

What do vacuoles do? 

• They actually do not have an important role
• They protect the cell
• They are the brain of the cell
• storage area for cells; water storage in plants 

Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?

• Vacuole

• Mitochondria

• Cytoplasm

• Chloroplast

Which of the following, found ONLY in plant cells, provides structure?

• cell wall
• chloroplast
• mitochondria
• vacuole

A normal human cell contains how many chromosomes?

• 16

• 26

• 46

• 14