Which of the following organelles provide structure and rigidity to a plant cell?(1 point)
Responses
ribosome
ribosome
chloroplast
chloroplast
cell membrane
cell membrane
cell wall
cell wall
What would happen to a plant if the chloroplasts in its cells became damaged?(1 point)
Responses
The plant would be unable to make protein.
The plant would be unable to make protein.
The plant would be unable to reproduce.
The plant would be unable to reproduce.
The plant would not have a rigid structure.
The plant would not have a rigid structure.
The plant would not make glucose and oxygen.
The correct answer is: The plant would not make glucose and oxygen.
Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.(1 point)
Responses
Roots are underground and are not exposed to sunlight.
Roots are underground and are not exposed to sunlight.
Root cells have many mitochondria.
Root cells have many mitochondria.
Roots require fewer nutrients.
Roots require fewer nutrients.
Root cells have two central vacuoles.
The correct answer is: Roots are underground and are not exposed to sunlight.
What is the main difference between prokaryotic and eukaryotic cells?(1 point)
Responses
Prokaryotes lack membrane-bound organelles.
Prokaryotes lack membrane-bound organelles.
Prokaryotes lack a cell membrane on the outside.
Prokaryotes lack a cell membrane on the outside.
Prokaryotes use RNA instead of DNA.
Prokaryotes use RNA instead of DNA.
Prokaryotes lack ribosomes to make protei