Which of the following is an example of an object that is accelerating? A
A basketball sits motionless on the gymnasium floor.
B
A hockey puck slows down and comes to a stop.
с
A soccer ball travels at 3 m/s for one second.
D
A train travels 100 km in a straight path towards the northeast.

Which of these is not an example of molecular homology? 1. use of dna and rna as genetic material 2.use of glycolysis as the first step in cellular respiration in both plants and animals 3. the lack of an igf-1 gene in prokaryotes 4. the use of aldolase b to break down fructose in bacteria, plants and animals