What is multicellular and unicellular cells? what are the differences?? HELP PLZ

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Environmental differences within ecosystems are generally caused by