Prokaryotic and Eukaryotic Cells
A student wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. Why would this procedure fail to produce a prokaryotic cell?
The cell would lack genetic information.
The endosymbiotic theory helps to explain the origin of which structures?
mitochondria
The endosymbiotic theory proposes that mitochondria and chloroplasts evolved as a result of which cellular process?
phagocytosis
The discovery of mitochondrial DNA (mtDNA) had no effect on which area of scientific investigation?
study of cork bark
How is mitochondrial DNA (mtDNA) typing used in forensic science?
An unknown mtDNA sample is matched to a sample of mtDNA that was found at a crime scene.
What observation led researchers to propose that chloroplasts evolved from cyanobacteria?
Both perform photosynthesis.
The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?
Chloroplasts have their own DNA.
A chemical has been found to harm the same components in both prokaryotic and eukaryotic cells. Which components are those?
DNA, cell membrane, cytoplasm, and ribosomes
Which best describes mitochondrial DNA (mtDNA)?
Mitochondrial DNA can be traced for generations.
A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how the cell could be classified?
The cell is eukaryotic because it contains mitochondria.
The endosymbiotic theory states that chloroplasts and mitochondria evolved as a result of
a prokaryotic cell engulfing a bacterial cell.
Based on the endosymbiotic theory, what cell would result from the endosymbiosis of a cell with a cyanobacterium?
a eukaryotic cell that can make its own food
In which specimen were cells first identified?
cork bark
Which cell structure serves the stated function in both eukaryotic and prokaryotic cells?
cytoplasm: protects cell structures
