Covalent bonds between the sugar of one nucleotide and the of the next nucleotide bond nucleotides together in a dna strand. a. helix b. sugar c. phosphate d. base

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an