Cell Theory, Structure, and Function

Choose the correction definition/function for cell vacuole.

• makes RNA to form ribosomes

• changes food to energy

• makes protein

• stores food, water, and waste

Choose the correction definition/function for ribosome.

• makes protein

• changes food to energy

• command center that controls cell activities.

• holds water and nutrients

Choose the correction definition/function for mitochondrion.

• makes protein

• controls what enters and exits the cell.

• changes food to energy

• stores food, water, and waste

Choose the correction definition/function for nucleolus.

• makes protein

• makes RNA to form ribosomes

• command center that controls cell activities.

• processes/packages proteins and transports them.

Choose the correction definition/function for nucleus.

• changes food to energy

• command center that controls cell activities

• makes protein

• stores food, water, and waste.

The human body is made up of four types of tissues. Which of the following structures make up tissues?

• organs

• cells

• systems

• organelles

Which statement supports the fact that humans contain many kinds of tissues?

• cells break down food through the process of respiration

• all organisms are made up of only one cell

• cells reproduce by a process known as mitosis

• all organisms are made of one or more cells

Which of the following statements is true about all cells?

• they are all part of tissues

• they all contain chlorophyll

• they all have a cell wall

• they all have a cell membrane

Matthias Schleiden and Theodor Schwann looked at plant and animal cells. Schwann wrote the first part of what is known as the cell theory. Which statement did he write?

• all organisms are composed of one or more cells. All cells come from existing cells.

• All organisms are composed of one or more cells. The cell is the basic unit of life in all living things.

• All cells come from existing cells. The cell is the basic unit of life in all living things.

• All cells are microscopic in size. All cells come from existing cells.

All of the following statements are part of cell theory except:

• all organisms are made up of one or more cells.

• all cells carry on life activities

• all cells are parts of tissues

• all new cells come from pre-existing cells