Why are lysosomes important to the health of cells?

A. They create cell boundaries and make cells rigid
B. They break down worn-out cells that are no longer needed
C. They move proteins around the cells
D. They allow cell organelles to move freely through the cell as needed

B. They break down worn-out cells that are no longer needed.

A. Cell Wall

C. The plant would not make glucose and oxygen

C. Roots are underground and not exposed to sunlight

A. Prokaryotes lack membrane-bound organelles

Which of the following organelles provide structure and rigidity to a plant cell?

A. Cell Wall
B. Chloroplast
C. cell Membrane
D. Ribosome

What would happen to a plant if the chloroplasts in its cells became damaged?

A. The plant would not have a rigid structure
B. The plant would be unable to make protein
C. The plant would not make glucose and oxygen
D. The plant would be unable to reproduce

Using your understanding of the function of chloroplasts and specialized cells, infer why plant root cells lack chloroplasts.

A. Root cells have two central vacuoles
B. Roots require fewer nutrients
C. Roots are underground and not exposed to sunlight
D. Root cells have many mitochondria

What is the main difference between prokaryotic and eukaryotic cells?

A. Prokaryotes lack membrane-bound organelles
B. Prokaryotes lack a cell membrane on the outside
C. Prokaryotes use RNA instead of DNA
D. Prokaryotes lack ribosomes to make proteins.

Which of the following best describes qualitative information that is not presented in demographic data about a place?