Cellular Transport

What is the function of a cell's selectively permeable membrane?

• A. To regulate energy production in the cell

• B. To keep mitochondria from using nuclear material

• C. To maintain a constant lipid-protein ratio in the cell

• D. To control materials entering and leaving the cell

Which of following in NOT an example of Passive Transport?

• A. Osmosis

• B. Endocytosis

• C. Diffusion

• D. Facilitated Diffusion

Which two processes does this diagram most directly model?

• A. Energy conversions and synthesis of new molecules

• B. Synthesis of new molecules and homeostasis

• C. Transport of molecules and energy conversions

• D. Homeostasis and transport of molecules

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5

What kind of transport requires energy in the form of ATP?

• A. passive

• B. enzymatic

• C. active

• D. diffusion

Which table correctly identifies how the plasma membrane contributes to the maintenance of cellular homeostasis?

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Tags

NGSS.HS-LS1-3

Which of the following is a correct description of Passive Transport?

• A. Passive Transport does not require the use of energy and moves against the concentration gradient

• B. Passive Transport does require the use of energy and moves down the concentration gradient

• C. Passive Transport does require the use of energy and moves against the concentration gradient

• D. Passive Transport does not require the use of energy and moves down the concentration gradient

Which type of cellular transport shows the movement of larger molecules down the concentration gradient with the use of carrier proteins?

• A. Simple diffusion

• B. Active Transport

• C. Osmosis

• D. Facilitated Diffusion

How are molecules transported during Active Transport?

• A. Molecules are transported up the concentration gradient

• B. Molecules are transported against the concentration gradient

• C. Molecules are transported down the concentration gradient

• D. Both A and B are correct

The graph shows oxygen consumed by the athlete during different stages of training. Based on the graph, which process is occurring between minute 5 and minute 10?

• F. Nuclei are building amino acids for energy storage.

• G. Ribosomes are building carbohydrates to increase energy output.

• H. Chloroplasts are using energy to produce oxygen.

• Mitochondria are using oxygen to produce ATP.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

How are molecules transported during Active Transport?

• A. Molecules require the use of energy and moves against the concentration gradient.

• B. Molecules do not require the of energy and moves against the concentration gradient.

• C. Molecules do not require energy and move with the concentration gradient.

• D. Molecules require the use of energy and move with the concentration gradient.