Jasmine is testing how the amount of fertilizer affects the heights of plants. Which variable does not need to be controlled?
the amount of fertilizer
the amount of water each plant gets
the location of the plants
the height of the plants
Ad 1:15 PM

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 is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000