Which phrase best describes the effect of a catalyst on a chemical reaction? select one: a. decreases the reaction rate b. decreases the activation energy c. increases the temperature d. increases the volume of reactants

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

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.