Match the description with the type of muscle contraction. 1. the length of the muscle changes. 2. no change in the length of the muscle. 3. the tension of the muscle increases during the contraction. 4. the tension of the muscle remains constant during contraction.

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides