Ch. 7.1 and 7.2 Vocabulary Quiz-Biology

A _____ is the basic structural and functional unit of all living organisms.

• cell

• theory

• nucleus

• transport protein

A specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation

• nucleus

• organelle

• prokaryote

• cell

A ________ is a special boundary that helps control what enters and leaves the cell.

• cell theory

• cell wall

• plasma membrane

• plasma wall

Which of the following is NOT part of the cell theory

• All living organisms are composed of one or more cells

• Cells are the basic unit of structure and organization of all living organisms

• Cells arise only from previously existing cells

• cells only come from animals cells that have a chloroplast

A cell that contains a nucleus

• eukaryote

• prokaryote

• zygote

• plasmid

Plasma membrane layers composed of phospholipid molecules arranged with polar heads facing the outside and nonpolar tails facing the inside

• fluid mosaic model

• phospholipid bilayer

• cell

• nucleus

Property of the plasma membrane that allows it to control movement of substances into or out of the cell

• selectively permeable

• phospholipid bilayer

• fluid mosaic model

• cell theory

The ______ is a distinct central organelle that contains the cell's genetic material in the form of DNA.

• organelle

• fluid mosaic model

• cell

• nucleus

A cell that does NOT contain a nucleus or other membrane bound organelles

• eukaryote

• prokaryote

• zygote

• plasmid

A _________ moves substances or wastes through the plasma membrane

• nucleus

• selectively permeable

• transport protein

• fluid mosaic model