What happens when the temperature of an object increases?
a- the particles move closer together.
b- the particles move faster.
c- the number of particles increases.
d- the particles stop moving.

Structures in cells that carry out specific functions.

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.

What causes darkening of the skin as melanin production increases