The cell theory and life

• This species quintuples (x5) the number of cells every hour.

• In this species, cells must come from other cells: omni cellula e cellula.

• All living organisms including this new species are composed of cells.

• The new species grows in colonies that promote rapid expansion in cellular populations.

Tags

NGSS.HS-LS1-4

What did Schleiden and Schwann both discover individually?

• All livings things engage in metabolic functions.

• All living things are composed of one or more cells

• Spontaneous generation of cells is an incorrect theory

• All cells have organelles

What did Louis Pasteur’s crooked neck flask experiment disprove?

• Most cells require oxygen in order to survive.

• The cell is the basic unit of life.

• Spontaneous generation is a method for the creation of new cells.

• All living organism are composed of cells.

Which of the following is NOT a premise of cell theory?

I. All cells arise from other cells.

II. All living cells require water for survival.

III. All living things are only composed of cells.

• I only.

• II Only.

• I and II only.

• II and III only.

Viruses infect cells and replicate themselves by utilizing various enzymes and cellular components of their host cell. Could you apply the same tenets of cell theory to viral replication?

• No, viruses do not strictly adhere to cell theory because they are not living organisms.

• No, viruses do not strictly adhere to cell theory because viruses do not directly come from other viruses; they require an intermediate cell to replicate.

• Yes, viruses strictly adhere to cell theory because an individual virus is a singular cellular unit.

• es, viruses strictly adhere to cell theory because from one virus directly arises another virus.