Cell Membrane and Transport Review

In the experiment with iodine and dialysis tubing, what did the dialysis tubing represent?

• entire cell

• mitochondria

• cell wall

• cell membrane

Tags

NGSS.MS-LS1-2

Under which condition would a cell experience a net loss of water to its environment?

• 85% water in cell, 95% water in environment

• 90% water in cell, 100% water in environment

• 95% water in cell, 85% water in environment

• 95% water in cell, 95% water in environment

A cell that is 45% water & 55% solute is placed in a beaker of with a water concentration of 75% and solute concentration of 25%. What will happen to the cell?

• water moves into the cell; hypotonic solution

• water moves into the cell; hypertonic solution

• water moves out of the cell; hypotonic solution

• water moves in and out of the cell at equal rates; isotonic solution

The difference in the concentration of a substance from one location to another is called 

• diffusion

• osmosis

• concentration gradient

• passive transport

The red blood cells in solution A are in a ____________ environment

• Acidic

• Isotonic

• Hypotonic

• Hypertonic

Tags

NGSS.MS-LS1-3

The red blood cells in solution C are in a ____________ environment

• Acidic

• Isotonic

• Hypotonic

• Hypertonic

Tags

NGSS.MS-LS1-3

A Hypotonic solution contains an excess amount of:

• Na⁺

• H⁺

• Solute

• Water

Tags

NGSS.MS-LS2-3

A macrophage engulfing and digesting a bacterial cell is an example of:

• Exocytosis

• Endocytosis

• Co-Transport

• Osmosis

Tags

NGSS.MS-LS1-3

During diffusion molecules tend to move 

•    up the concentration gradient

•  from an area of lower concentration to an area of higher concentration

•  in a direction that doesn’t depend on concentration

•  down the concentration gradient

Which term refers to maintaining constant internal conditions?

• Hydrostatic

• Homeostasis

• Hyperosmosis

• Hypobolic