Endosymbiotic Theory

Which of the following provide evidence for the hypothesis that prokaryotes evolved before eukaryotes.

• prokaryotes are more complex

• eukaryotes are multicellular which makes them simpler

• prokaryotes have no nucleus and fewer genes

• prokaryotes grow into eukaryotes

Tags

NGSS.HS-LS4-2

Where is the DNA found in a prokaryotic cell?

• in the ribosomes

• floating around in the cytoplasm 

• attached to the cell membrane

• in the nucleus

______ and ________ are organelles that arose from the endosymbiotic theory

• flagellum and chloroplast

• mitochondria and chloroplasts

• Smooth and Rough ER

• mitochrondria and cell wall

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-1

The Theory of Endosymbiosis explains:

• how bacteria live

• the origin of Eukaryotes

• Why cells rely on one another

• how species develop

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-1

Which of the following is evidence to support the endosymbiotic theory?

• Mitochondria and chloroplasts have their own DNA, which is similar to prokaryotic DNA.

• Fossil evidence shows that the first forms of life were prokaryotic cells.

• All eukaryotic cells have a double-layered membrane composed of phosplipids and proteins.

• Prokaryotes have the same number and types of enzymes as eukaryotes.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-1

Are eukaryotes multicellular or unicellular?

• multicellular

• unicellular

• both unicellular and multicellular

Theory that says eukaryotic cells formed from symbiosis among several different prokaryotes.

• Natural Selection
• Biogenesis Theory
• Evolutionary Theory
• Endosymbiotic Theory

Both eukaryotic and prokaryotic cells have:

ribosomes

cell membranes

• false

• true

Mitochondria , chloroplast , and bacteria are similar in size.

• true

• false

Eukaryotes are thought to have evolved by a prokaryote engulfing one heterotrophic bacteria and one photosynthetic bacterium.

• false

• true