Cell Structure & Function - May 2018

All living things are composed of ___________________.

• eukaryotes

• one or more cells

• two or more cells

• nuclei

Which is generally larger?

• prokaryotes

• eukaryotes

Which is not part of the cell theory?

• The basic unit of life is the cell.

• All living organisms are composed of cells.

• Cells came from preexisting cells.

• Cells contain membrane-bound organelles.

In the 1930s, what new type of microscope, the microscope, was developed?

• electron

• light

• compound

• dissecting

Maintaining a balance in an organism's internal environment is called _________.

• homeostasis

• organization

• metabolism

• symbiosis

What determines how, when, and how much of substances enter and leave a cell?

• the plasma membrane

• the ribosomes

• the Golgi apparatus

• the nucleolus

Prokaryotes and eukaryotes have a plasma membrane.

• true

• false

Which structure synthesizes proteins that will be used by the cell?

• ribosome

• nucleus

• endoplasmic reticulum

• lysosomes

In which structure would you expect to find a cell wall?

• human skin cell

• cell from an oak tree

• blood cell from a cat

• liver cell from a mouse

What organelle in plants captures light energy and converts it to chemical energy?

• mitochondrion

• chloroplast

• ribosome

• nucleus

• chlorophyll