What happens immediately after the chromosomes line up on the cell's equator?

Which sequence represents a cross section of the bilayera hydrophilic head, hydrophobic tail, hydrophobic tail, hydrophilic headb hydrophobic tail, hydrophilic head, hydrophobic tail, hydrophilic headc hydrophobic head, hydrophilic tail. hydrophilic tail, hydrophobic headd hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

Where substance is produced during cellular respiration