Cell & Scientific Method

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

What is one basic function of the vacuoles?

• circulating oxygen

• producing food

• controlling cell processes

• storing water

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

All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?

• chloroplasts

• mitochondria

• nucleus

• vacuoles

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

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

• chloroplast

• nucleus

• cell

• cell membrane

Starch and water molecules in potato cells are stored in what organelle?

• nucleus

• mitochondria

• vacuole

• cell wall