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BIO 1100 Exam 2 Practice Questions and Correct Answers
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  • ECU BIO 1100
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  • ECU BIO 1100

High solute concentration in extracellular fluid hypertonic Equal solute concentration inside and outside the cell Isotonic Low solute concentration in the extracellular fluid Hypotonic When an electrochemical gradient is established and then provides the energy necessary to move a substance; we...

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  • September 23, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • bio 1100 exam 2 practice questions and correct ans
  • high solute concentration in extracellular fluid
  • equal solute concentration inside and outside the

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  • ECU BIO 1100
  • ECU BIO 1100

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BIO 1100 Exam 2 Practice Questions and
Correct Answers
High solute concentration in extracellular fluid ✅hypertonic

Equal solute concentration inside and outside the cell ✅Isotonic

Low solute concentration in the extracellular fluid ✅Hypotonic

When an electrochemical gradient is established and then provides the energy
necessary to move a substance; we call this _____________ active transport.
✅secondary

What part of the phospholipid bilayer creates the physical barrier for movement into or
out of the cell? ✅fatty acid tails

The plasma membrane is _____________, which means it allows some molecules to
pass through but not others. ✅Selectively permeable

What BEST describes osmosis? ✅Facilitated diffusion

Which phosphate bond has the highest energy in the ATP molecule? ✅gamma

The study of energy flow through a living system is known as ✅bioenergetics

Energy is released in a chemical reaction ✅exergonic

Energy specifically required to make the reaction occur ✅endergonic

Energy required for a reaction to proceed ✅activation energy

Energy available to do work ✅Gibb's free energy

All chemical reactions in a cell ✅metabolism

Reactions that break down molecules ✅catabolism

Reactions that build up molecules ✅anabolism

How do enzymes lower activation energy? ✅molecular environment and substrate
orientation are optimized

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