An increase in the calcium ion level in the sarcoplasm starts the sliding of the thin filaments. when the level of calcium ions declines, sliding stops. a. true b. false

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

True or false multiple lane changes must be done individually going through the same procedures for each lane change

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings