Who wants to demonstrate an 2nd grade arguement in the classroom VS a 7th grade arguement in the classroom. loll.

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Which element provides strength to the exoskeleton of clams and oysters

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent