AP Biology Topic 8

Solution with a higher solute concentration…

• Hypertonic

• Hypotonic

• Isotonic

Solution with a lower solute concentration…

• Hypertonic

• Hypotonic

• Isotonic

Solution with a higher free water concentration…

• Hypertonic

• Hypotonic

• Isotonic

Solution with a lower free water concentration…

• Hypertonic

• Hypotonic

• Isotonic

Which of the following best describes a dominant allele?

• An allele that is masked by a recessive allele

• An allele that is expressed only in the homozygous state

• An allele that is always expressed when present

• An allele that is found only in males

If the intracellular concentration is 1.0 M and extracellular concentration is 0.4M. Which direction does water flow?

• Both in and out (equilibrium)

• Into the cell

• Out of the cell

What organelle holds the water in plant cells?

• Central vacuole

• Endoplasmic reticulum

• Food vacuole

• Golgi bodies

Tags

NGSS.MS-LS1-2

Which organelle helps protist in freshwater?

• Central vacuole

• Contractile vacuole

• Golgi bodies

• Nucleus

In a turgid plant cell, which describes pressure potential of cell water

• Negative

• Positive

Extracellular solution is 0.5M and the cell is 1.0M – which direction will water flow?

• Into cell towards hypertonic solution

• Into cell towards hypotonic solution

• Out of cell toward hypertonic solution

• Out of cell toward hypotonic solution