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BIOS 251 WEEK 2 Questions and Correct Answers the Latest Update and Recommended Version
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BIOS 251 WEEK 2 Questions and Correct Answers the Latest Update and Recommended Version
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TestTrackers: Unlock Your Exam Potential! | Quality Practice Materials | Boost Your Confidence Today!BIOS 251 WEEK 2 Questions and Correct
Answers the Latest Update and
Recommended Version
Active protein transporters which move substances from lower concentration into higher
concentration are known as
channels
ligands
transponders
pumps
✓ pumps
Primary active transport involves one substance moving down its concentration gradient to
move another substance against its electrochemical gradient.
True
False
✓ False
A protein transporter which moves two substances by secondary active transport in the same
direction is known as a
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symporter
transponder
antiporter
inductor
✓ symporter
Endocytosis is the inward movement of a large particle into the cell by means of vesicular
transport.
True
False
✓ 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
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primary active transport
✓ secondary active transport
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
✓ 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
✓ 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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