"Wow" exclaimed Benny. "When I hit this mineral with my rock hammer, it broke into flat planes, in only one direction. It looks like the layers are peeling off in sheets!"

"That's because it's mica," responded Alice, his lab partner.

Benny and Alice are describing the property of , which is often used to identify specific mineral families.

A) streak
B) hardness
C) cleavage
D) specific gravity

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.