Cell Structures and Functions Quiz

What is the basic living unit of all organisms?

• Cell

• Tissue

• Organ

• System

What are specialized structures in cells that perform specific functions?

• Organelles

• Cells

• Tissues

• Systems

What is the jelly-like substance that holds organelles?

• Cytoplasm

• Nucleus

• Cell membrane

• Mitochondria

What is the outermost component of a cell?

• Cell membrane

• Cytoplasm

• Nucleus

• Ribosome

What is the process called when water moves across a selectively permeable membrane?

• Osmosis

• Diffusion

• Active transport

• Facilitated diffusion

What is the difference in the concentration of a solute in a solvent between two points?

• Concentration gradient

• Diffusion

• Osmosis

• Active transport

What type of solution has a lower concentration of solutes and a higher concentration of water relative to the cytoplasm of the cell?

• Hypotonic

• Isotonic

• Hypertonic

• Isosmotic

What is the process called when a cell swells and can rupture?

• Lysis

• Crenation

• Osmosis

• Diffusion

What is the sodium-potassium pump responsible for?

• Moving Na+ out and K+ into cells

• Moving K+ out and Na+ into cells

• Facilitating diffusion

• Active transport of glucose

What is secondary active transport?

• It uses energy from a concentration gradient.

• It requires additional energy.

• It only transports Na+.

• It is a type of passive transport.