A molecule of oxygen gas contains two:
O molecules
O elements
O atoms

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Earth is tilted on its axis. which of these would not exist if earth had no tilt?

What percentage of organisms is played the dominant trait (tall) in the f2 generation? a.25% b.100% c.75%