Please explain what happens when a muscle cramps. (Use simple terms and try to keep it as short as possible)

Match the enzymes to their role in the dna replication process

How have crops been modified? a.plants have been made more susceptible to pests b.plants have been made resistant to herbicides c.plants have been made more susceptible to herbicides d.plants have been modified to have reduced yield

Amineral crystallizes from magma deep inside earth. which characteristics can be determined given only the information above. a) luster b) streak c) crystal size d) crystal structure