Ared blood cell is 8 μm in diameter. if drawn 100 times larger than its actual size, what diameter will the drawing be in mm?
a. 0.08 mm
b. 0.8 mm
c. 8 mm
d. 80 mm

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Which level of taxonomy has the fewest organisms?