Muscular force exerted as a muscle shortens is best classified as

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

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.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.