Lab Bio Ch. 3 Test Review Flashcards

Front

Which of the following statements is NOT part of the Modern Cell Theory? Options: all living things are made of cells, all cells come from pre-existing cells, all cells contain DNA in a nucleus, cells are the basic unit of life

Back

all cells contain DNA in a nucleus

Front

Who used an early microscope to observe cork and used the term "cell" to describe all the small spaces he saw?

Back

Robert Hooke

Front

Who used a custom microscope and was first to observe microscopic living organisms (bacteria) in pond water?

Back

Anton van Leeuwenhoek

Front

Which of the following correctly explains the Endosymbiotic Theory?

Back

Mitochondria and chloroplasts originated from separate prokaryotic cells that eventually became "joined" in a close relationship with a eukaryotic cell

Front

Cell membrane structure consists of:

Back

A phospholipid bilayer and proteins

Front

What is used to describe the structure of the cell membrane?

Back

Fluid Mosaic Model

Front

Cell membranes allow certain materials to cross while blocking others so they are: permeable, selectively permeable, impermeable

Back

selectively permeable

Front

When energy is required to move molecules across a cell membrane, it is called:

Back

active transport

Front

When molecules move from an area of high concentration to an area of low concentration, we call this:

Back

passive transport

Front

Which term is used to describe how much solute is in a solution?

Back

concentration