Cell Homeostasis Answers
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Which solution would most likely cause a plant placed in it to become firmer and more rigid?
A
hypertonicB
hypotonicC
isotonicD
osmotic2
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Which best describes dynamic equilibrium?
A
There is a difference in concentration on either side of the cell membrane.B
There is an uneven distribution of particles inside and outside the cell.C
Particles are moving into and out of the cell, but their concentrations remain stable.D
A concentration gradient is forcing water out of the cell and particles into the cell.3
In which kind of solution is the concentration of solutes the same inside and outside of the cell?
A
isotonicB
hypertonicC
hypotonicD
concentrated4
Which adaptation helps polar bears maintain a constant internal temperature (thermal homeostasis) in cold weather?
A
three layers of furB
blubberC
finding shade undergroundD
white skin5
The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.What change would most improve the usefulness of the graph?
A
Replace the concentration descriptions with actual values.B
Plot contractions per second instead of contractions per minute.C
Remove the plotted points and just keep the line.D
Remove the name of the organism from the title.6
For diffusion to occur, which condition must be met?
A
A concentration gradient must exist.B
A hypotonic external environment must exist.C
A hypertonic external environment must exist.D
Dynamic equilibrium must exist.Did you find these answers helpful?
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