Transport/Energy Review

The image above shows molecules outside of a cell membrane. Assume the molecules can cross the membrane via diffusion. Which pictures shows what it would look like once homeostasis was reached.

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Tags

NGSS.HS-LS1-3

In passive transport, molecules move ​ (a)   the gradient concentration gradient. In active transport, molecules moves ​ (b)   the concentration gradient.

• down
• against

A red blood cell placed in distilled water will swell due to diffusion of

• water into the red blood cell

• water out of the red blood cell

• salt into the red blood cell

• salt out of the red blood cell

Which process requires cellular energy?

• diffusion

• osmosis

• passive transport

• active transport

Which process is represented in the diagram shown?

• active transport

• diffusion

• gene manipulation

• protein building

Which process is being shown in the image?

• simple diffusion

• facilitated diffusion

• osmosis

• active transport

What is happening in the process shown in the image?

• particles are moving from high to low through the cell membrane

• particles are moving from high to low through a protein

• water particles are moving from high to low

• particles are moving from low to high through a protein

What term describes the transport of molecules in the diagram from left to right.

• heterostasis

• homeostasis

• cellular respiration

• endosymbiosis

Tags

NGSS.HS-LS1-3

Sarah is analyzing samples of red blood cells. What could have happened to cause the first cell to shrink?

• An anaerobic environment outside the cell.

• Lower solute concentration outside the cell than inside

• Higher solute concentration outside the cell than inside.

• More oxygen inside the cell than what can be utilized.

(a)   transport is the movement of molecules from high to low concentration without using energy. ​ (b)   transport is the movement of molecules from low to high concentration and does use energy.

• Passive
• Active