CP SEM1 EXAM_05

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

• active transport

• diffusion

• exocytosis

• facilitated diffusion

________ is the diffusion of water across a semipermeable membrane.

• diffusion

• endocytosis

• exocytosis

• osmosis

A cell in an isotonic solution will ________.

• shrink

• shrink and then swell

• stay the same size

• swell

A cell will ________ in a hypertonic solution.

• explode

• not change

• shrink

• swell

A cell will ________ in a hypotonic solution.

• fluctuate greatly

• not change

• shrink

• swell and perhaps burst

Which term means “water-loving”?

• cohesion

• hydrophilic

• hydrophobic

• nonpolar

Active transport requires ________.

• chloroplasts

• energy

• lysosomes

• the nucleus

________ is a type of active transport that brings particles into a cell when the cell membrane encloses a particle to make a vesicle.

• active transport

• diffusion

• endocytosis

• passive transport

Which of the following are in the correct order?

• cell, organ, tissue, organ system, organism

• cell, tissue, organ, organ system, organism

• cell, tissue, organelle, organ system, organism

• organ system, cell, organ, tissue, organism

What is the chemical formula for glucose?

• C₆H₁₂O₆

• C₆H₁₀O₁₂

• C₁₂H₂O₁₂

• C₆O₆H₆