TEKS 5C Cellular Transport Vocabulary

_______ regulates what enters and leaves a cell.  

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TX.112.42.C.5.C.

The plasma membrane of a cell is composed of -

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TX.112.42.C.5.C.

What biomolecule is number two pointing to?

​ ​ (a)  

• Channel Protein
• Glucose
• Glycoprotein
• Phospholipid Bilayer

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TX.112.42.C.5.C.

Select the correct definition for the type of passive transport.

• The movement of substances across cell membranes without the use of energy.

• Passive Transport

• The movement of water across a semipermeable membrane.

• Facilitated Diffusion

• The movement of molecules from an area of higher concentration to an area of lower concentration.

• Simple Diffusion

• The process of transporting molecules across a membrane via protein channels.

• Osmosis

Tags

TX.112.42.C.5.C.

Cell membranes are described as selectively permeable.

Four students were asked to explain what this means.

Student 1: Cell membranes prevent all materials from entering the cell.

Student 2: Cell membranes only provide structural support for the cell.

Student 3: Cell membranes regulate which substances can enter and exit the cell.

Student 4: Cell membranes allow water and water-soluble substances to enter the cell.

Which student is correct? (a)  

• Student 1
• Student 2
• Student 3
• Student 4

Tags

TX.112.42.C.5.C.

Select the correct characteristics of Active Transport?

• Movement of molecules from low to high concentration.

• Movement of molecules from high to low concentration.

• Requires chemical energy (ATP).

• Does NOT require chemical energy (ATP)

Tags

TX.112.42.C.5.C.

Which statements best describes passive transport? Select all that apply.

• The movement of molecules from a high to low concentration.

• The movement of molecules from low to high concentration.

• Passive Transport does NOT require ATP energy to move down the concentration gradient.

• Passive transport requires ATP energy to go against the gradient

Tags

TX.112.42.C.5.C.

The diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration

Tags

TX.112.42.C.5.C.

Match the following types of passive transport with the correct diagram.

• Facilitated Diffusion

• 
• Osmosis

• 
• Simple diffusion

• 

Tags

TX.112.42.C.5.C.

High Concentration to Low Concentration

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TX.112.42.C.5.C.