Biology

_______ living organisms are made up of cells. Most All A few

All

Which statement is true about how cells arise? All cells of all organisms are identical in size, shape and structure. All cells are formed by division of pre-existing cells.

All cells are formed by division of pre-existing cells.

What is the name of the fluid substance contained within the cell? Cytoplasm Water Plasma Gel

Cytoplasm

Which characteristics are common to all cells? DNA Cytoplasm The cell membrane The cell wall Ribosomes

DNA Cytoplasm The cell membrane Ribosomes

Which cell type contains a nucleus? Eukaryote Prokaryote

Eukaryote

In which cell type is a nucleus not present? Prokaryote Eukaryote

Prokaryote

Based on the presence or absence of a nucleus, cells are broadly classified as either ___________ or _____________.

Prokaryotic or Eukaryotic

What is the smallest living unit of which your body is composed? The cell Oxygen The atom Molecules

The cell

Which structure separates the internal environment of a cell from the external environment? The cell membrane The cytoplasm The cytoskeleton The nucleus

The cell membrane

Human skin, maple leaves, mushrooms, and bacteria all share one characteristic. Which? They are all composed of one or more cells. They all have nuclei They are all the same size They all have the same structure

They are all composed of one or more cells.

The cell is known as the _________unit of life.

basic