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Review Biology related questions and content

How does the concentration of solutes in a hypertonic solution compare to the cell's?

  • A. Same as
  • B. Lower than
  • C. Higher than
  • D. Negative
Correct Answer: C

Rationale: In a hypertonic solution, the concentration of solutes is higher compared to the cell's interior. This causes water to move out of the cell to balance the solute concentrations, resulting in the cell shrinking. Therefore, the correct answer is that the solute concentration is higher in a hypertonic solution than inside the cell.

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A hypertonic solution has what concentration of solutes compared to the cell?

  • A. Same.
  • B. Negative.
  • C. Lower.
  • D. Higher.
Correct Answer: D

Rationale:

Tonicity refers to the movement of:

  • A. Water
  • B. Solute
  • C. Cells
  • D. None of the above
Correct Answer: A

Rationale: Tonicity is a term used to describe the relative concentration of solutes inside and outside of a cell. When a solution is hypertonic, it has a higher concentration of solutes outside the cell, causing water to move out of the cell. When a solution is hypotonic, it has a lower concentration of solutes outside the cell, causing water to move into the cell. Therefore, tonicity primarily affects the movement of water across a cell membrane.

Which set is correctly listed from largest to smallest group?

  • A. Genus, order, species, phylum.
  • B. Phylum, order, genus, species.
  • C. Order, phylum, species, genus.
  • D. Species, order, phylum, genus.
Correct Answer: B

Rationale:

Which cellular appendage enables cells to move through their environments?

  • A. Flagellum
  • B. Cell membrane
  • C. Transport protein
  • D. Receptor
Correct Answer: A

Rationale: "Flagellum" is a whip-like appendage that allows certain cells to move through their environment.

What part of a light microscope is used to hold the slide in place?

  • A. Stage clips
  • B. Rack stop.
  • C. Base.
  • D. Arm.
Correct Answer: A

Rationale:

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