Cells

Which of the following is the smallest unit of life that can carry out all life functions?

• the mitochondria
• the vacuoles
• the nucleus
• the cell

Which structures are found in every living cell?

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

Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?

• cell membrane
• cytoplasm
• nucleus
• vacuole

What is the function of the cell nucleus found in both plant and animal cells?

• to produce energy
• to control cell activity
• to remove waste products
• to allow molecules to enter the cell

Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?

• to absorb light energy and manufacture food
• to remove waste materials by active transport
• to manufacture chemical energy from food
• to control the shape of the cell

What is the function of a cell wall?

• to protect and support the cell
• to perform different functions in each cell
• to prevent water from passing through it
• to prevent oxygen from entering the cell

In what part of the plant cell does the process of photosynthesis take place?

• nucleus
• mitochondria
• chloroplasts
• vacuoles

Who was the first  person to see cells under the microscope and give them their name?

• Mattias Schleiden
• Robert Hooke
• Theordor Schwann
• Anton van Leeuwenhoek

The basic unit of structure and function in a living things.

• chloroplast
• nucleus
• cell
• cell membrane

Directs all cell activities through the DNA located there.

• Lysosomes
• Nucleus
• ribosomes
• Mitochondria