This hollow tube along the back of an animal with nerves running inside or beside it is a characteristic of chordates. 1. nervous system
2. spinal cord
3. spine
4. notochord

What are transitions between a liquid and a solid called? identify which way they are transitioning

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

How does a noncompetitive inhibitor reduce an enzyme’s activity?