A scientist looks into a microscope and sees that chromosome pairs are in bipolar tension. Which mitotic phase is the scientist likely witnessing? A-anaphase
B-metaphase
C-anaphase or telophase
D-prophase or metaphase

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes