What training approach requires special machines equipped with mechanical devices that provide differing amounts of resistance, with the intent of overloading the muscle group maximally through the entire range of motion?

The variable resistance training is a training approach which requires special machines equipped with mechanical devices that provide differing amounts of resistance. These devices have the intent of overloading the muscle group maximally through the entire range of motion. An example of which is when a lifter adds elastic bands to a lift. 

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set