Which of these is the smallest structure?
a. protein
b. polypeptide
c. dipeptide
d. amino acid

Liquid water turns into water vapor at which step in the water cycle? a. precipitation o b. water run off c. evaporation d. condensation

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not