Unit 2 Cells Honors

Front

What is phagocytosis?

Back

Cell 'eating'; when the cell engulfs solids into a vesicle and breaks them down.

Front

What is cancer?

Back

Uncontrolled cell division.

Front

What type of cell transport is best suited to move a substance across the cell membrane?

Back

Active transport.

Front

What process involves vesicles fusing with the cell membrane to release substances outside the cell?

Back

Exocytosis.

Front

What is a chromosome?

Back

One long continuous thread of DNA with genes and regulatory information.

Front

What is the function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

Define osmosis.

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What are organelles?

Back

Specialized structures within a cell that perform distinct processes.

Front

What is the role of ribosomes in a cell?

Back

To synthesize proteins by translating messenger RNA.