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There are different types of white blood cells that ingest bacteria and non-cellular debris. Through what process is this possible?

A. exocytosis
B. phagocytosis
C. pinocytosis
D. facilitated diffusion

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Some organisms such a paramecium, a protist, have osmotic problems due to their environment. They have an adaptation for osmoregulation to control the balance of water to maintain homeostasis. What specialized organelle do they have to help maintain their internal environment?

A. contractile vacuole
B. central vacuole
C. mitochondrion
D. cell wall

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If the concentration of a solution outside a cell is less concentrated than inside the cell so that the cell gains water to its environment, the outside solution is said to be ____ to the cell contents.

A. hypertonic
B. in equilibrium
C. isotonic
D. hypotonic

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What are the main macromolecules found in the cell menbrane?

A. lipids and proteins
B. lipids and carbohydrates
C. lipids, carbohydrates, and proteins
D. lipids, carbohydrates, proteins, and nucleic acids

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The plasma membrane is the protective barrier that separates living organisms from their environment. What does the term selectively permeable mean?

Allowing some substances to pass more easily than others.
B. Allowing all substances to cross easily.
C. Not allowing substances to cross the membrane.
D. Allowing solids but not liquids to pass through easily.

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There are different types of white blood cells that ingest bacteria and non-cellular debris. Through what process is this possible?

A. exocytosis B. phagocytosis C. pinocytosis D. facilitated diffusion

Some organisms such a paramecium, a protist, have osmotic problems due to their environment. They have an adaptation for osmoregulation to control the balance of water to maintain homeostasis. What specialized organelle do they have to help maintain their internal environment?

If the concentration of a solution outside a cell is less concentrated than inside the cell so that the cell gains water to its environment, the outside solution is said to be ____ to the cell contents.

What are the main macromolecules found in the cell menbrane?

The plasma membrane is the protective barrier that separates living organisms from their environment. What does the term selectively permeable mean?

A. exocytosis
B. phagocytosis
C. pinocytosis
D. facilitated diffusion