7 Cells Ch 1.1 Review

The smallest unit that can perform all life processes.

• cell
• cell membrane
• organelle
• nucleus

A phospholipid layer that covers a cell's surface; it acts as a barrier between the inside of a cell and the cell's environment.

• cell membrane
• cell wall
• cell moat
• cell barrier

One of the small bodies in a cell's cytoplasm that are specialized to perform a specific function.

• organelle
• organite
• mini-organ
• organ

In a eukaryotic cell, a membrane-bound organelle that contains the cell's DNA and that has a role in processes such as growth, metabolism, and reproduction.

• nucleus
• heart
• genetic warehouse
• central organelle

An organism that consists of a single cell that does not have a nucleus.

• prokaryote
• eukaryote
• bacteria
• archaea
• protist

An organism made up of cells that have a nucleus enclosed by a membrane.

• eukaryote
• prokaryote
• algae
• fungus
• animal

Which of the following are eukaryotes?

• humans
• E. coli (found in raw meat - makes you sick!)
• pine trees
• yeast
• jellyfish

The first person to describe cells

• Hooke

• Schwann

• Newton

• van Leeuwenhoek

The first person to observe single-celled organisms (protists)

• van Leeuwenhoek

• Hooke

• Schwann

• Galileo

The original two parts of the cell theory are (check all that apply):

• all organisms are made of one or more cells

• cells are the basic building blocks of life

• all cells have a nucleus

• all cells are small