Roots are underground and are not exposed to sunlight.
Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.(1 point)
Responses
Roots require fewer nutrients.
Roots require fewer nutrients.
Root cells have two central vacuoles.
Root cells have two central vacuoles.
Root cells have many mitochondria.
Root cells have many mitochondria.
Roots are underground and are not exposed to sunlight.
7 answers
What is the main difference between prokaryotic and eukaryotic cells?(1 point)
Responses
Prokaryotes lack membrane-bound organelles.
Prokaryotes lack membrane-bound organelles.
Prokaryotes use RNA instead of DNA.
Prokaryotes use RNA instead of DNA.
Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack a cell membrane on the outside.
Responses
Prokaryotes lack membrane-bound organelles.
Prokaryotes lack membrane-bound organelles.
Prokaryotes use RNA instead of DNA.
Prokaryotes use RNA instead of DNA.
Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack a cell membrane on the outside.
Prokaryotes lack membrane-bound organelles.
What type of cell is in the center of the image below? How do you know?
(1 point)
Responses
Eukaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Eukaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Prokaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Prokaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Prokaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Prokaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Eukaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Eukaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
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(1 point)
Responses
Eukaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Eukaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Prokaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Prokaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Prokaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Prokaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Eukaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
Eukaryotic cell because it has dots on the inside of the cell, these are membrane-bound organelles.
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Prokaryotic cell because it does not have a nucleus, which would look like a solid circle in the cell.
Which of the following is true about how mitochondria were acquired by host cells? (1 point)
Responses
A mitochondria cell’s membrane folded outward, creating a larger cell around itself.
A mitochondria cell’s membrane folded outward, creating a larger cell around itself.
A eukaryotic cell gave up its mitochondria to another cell through phagocytosis.
A eukaryotic cell gave up its mitochondria to another cell through phagocytosis.
The cell’s membrane folded inward, creating a pocket within itself called the mitochondria.
The cell’s membrane folded inward, creating a pocket within itself called the mitochondria.
A bacteria cell was engulfed into a host cell through the process of phagocytosis.
Responses
A mitochondria cell’s membrane folded outward, creating a larger cell around itself.
A mitochondria cell’s membrane folded outward, creating a larger cell around itself.
A eukaryotic cell gave up its mitochondria to another cell through phagocytosis.
A eukaryotic cell gave up its mitochondria to another cell through phagocytosis.
The cell’s membrane folded inward, creating a pocket within itself called the mitochondria.
The cell’s membrane folded inward, creating a pocket within itself called the mitochondria.
A bacteria cell was engulfed into a host cell through the process of phagocytosis.
A bacteria cell was engulfed into a host cell through the process of phagocytosis.