A red blood cell is placed in a salty solution. When it shrivets due to loss of water, we say it has •become turgid

•plasmolyzed

•lysed

•crenated

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

What must be true for natural selection to heppen