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WEEK 2- BIO 251 QUESTIONS AND ANSWERS Active protein transporters which move substances from lower concentration into higher concentration are known as CA$18.08   Add to cart
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WEEK 2- BIO 251 QUESTIONS AND ANSWERS Active protein transporters which move substances from lower concentration into higher concentration are known as
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WEEK 2- BIO 251 QUESTIONS AND ANSWERS Active protein transporters which move substances from lower concentration into higher concentration are known as

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  • September 10, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • week 2 bio 251 questions and answers

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  • Bio 251
  • Bio 251

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WEEK 2- BIO 251 QUESTIONS AND ANSWERS
Active protein transporters which move substances from lower concentration into higher

concentration are known as




channels


ligands


transponders


pumps Correct Answer-pumps




Primary active transport involves one substance moving down its concentration gradient to

move another substance against its electrochemical gradient.




True


False Correct Answer-False




A protein transporter which moves two substances by secondary active transport in the same

direction is known as a




symporter

, WEEK 2- BIO 251 QUESTIONS AND ANSWERS
transponder


antiporter


inductor Correct Answer-symporter




Endocytosis is the inward movement of a large particle into the cell by means of vesicular

transport.




True


False Correct Answer-True




The transport of amino acids into the cell results when sodium ions move down their

electrical gradient and cause amino acids to move into the cell against their electrochemical

gradient. This is an example of




vesicular transport


secondary active transport


simple diffusion


primary active transport Correct Answer-secondary active transport

, WEEK 2- BIO 251 QUESTIONS AND ANSWERS


The process by which a cell produces extensions to engulf a particle or unwanted cell so it is

taken into the attacking cell is known as




pinocytosis


primary active transport


phagocytosis


secondary active transport Correct Answer-phagocytosis




When a pouch forms in the cell membrane to enclose extracellular fluid in a vesicle in order to

transport that fluid into the cell, the process is known as exocytosis.




True


False Correct Answer-False




The movement of one substance into the cell by vesicular transport at the same rate another

substance is moved out of the cell also by vesicular transport, the process is known as

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