Biology Quiz 7

By diffusion, molecules move from where they are _____ concentrated to where they are _____ concentrated.

• more, more

• less, less

• more, less

• less, more

When NaCl is dissolved into water, it is called a ______.

• solution

• solvent

• solute

• salient

Physiological saline has __% NaCl.

• 0

• 0.9

• 1.8

• 2.7

Physiological saline is _____ to the fluid within a cell.

• hypotonic

• hypertonic

• isotonic

• hair tonic

Distilled water is _____ to the fluid within a cell.

• hypotonic

• hypertonic

• isotonic

• hair tonic

10% NaCl is ______ to the fluid within a cell.

• hypotonic

• hypertonic

• isotonic

• hair tonic

When a cell is placed in 10% NaCl, it will ______.

• remain the same

• become salty

• swell

• shrivel up

The result in question 7 (the previous question) occurs because _____ water diffuses into the cell than diffuses out.

• more

• the same amount of

• less

Tags

NGSS.HS-LS1-3

When a cell is placed in distilled water, it will______.

• remain the same

• become salty

• swell up and burst

• shrivel up

Tags

NGSS.MS-LS1-5

_______ is where specialized proteins in the cell membrane move molecules into and out of cells.

• exchange

• diffusion

• membrane pumps

• active transport