Why are lysosomes important to the health of cells?(1 point)

Responses

They allow cell organelles to move freely through the cell as needed.
They allow cell organelles to move freely through the cell as needed.

They break down worn-out cell parts that are no longer needed.
They break down worn-out cell parts that are no longer needed.

They create cell boundaries and make cells rigid.
They create cell boundaries and make cells rigid.

They move proteins around the cell.

9 answers

They break down worn-out cell parts that are no longer needed.
Which of the following organelles provide structure and rigidity to a plant cell?(1 point)
Responses

cell wall
cell wall

ribosome
ribosome

cell membrane
cell membrane

chloroplast
cell wall
Cell Structures Quick Check
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Question
What would happen to a plant if the chloroplasts in its cells became damaged?(1 point)
Responses

The plant would be unable to reproduce.
The plant would be unable to reproduce.

The plant would be unable to make protein.
The plant would be unable to make protein.

The plant would not make glucose and oxygen.
The plant would not make glucose and oxygen.

The plant would not have a rigid structure.
The plant would not make glucose and oxygen.
Cell Structures Quick Check
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Question
Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.(1 point)
Responses

Root cells have two central vacuoles.
Root cells have two central vacuoles.

Root cells have many mitochondria.
Root cells have many mitochondria.

Roots require fewer nutrients.
Roots require fewer nutrients.

Roots are underground and are not exposed to sunlight.
Roots are underground and are not exposed to sunlight.
What is the main difference between prokaryotic and eukaryotic cells?(1 point)
Responses

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 membrane-bound organelles.
Prokaryotes lack membrane-bound organelles.

Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack ribosomes to make proteins.
Prokaryotes lack membrane-bound organelles.