Actin, myosin, and troponin are: A) ligaments
B) tendons
C) muscle protein
D) bones
E) types of ligaments

The connective tissue holding bone to bone is a;
A) tendon
B) muscle
C) smooth muscle
D) ligament
E) A and D

1. C: muscle protein

2. D: ligament

1. Actin and myosin are proteins that form contractile filaments of muscle cells.  Troponin regulates muscular contraction and is found in skeletal and cardiac muscle fibers.

2. Tendons connect muscle to bone.  Muscles provide movement.  Smooth muscles behave involuntarily.  Ligaments connect bone to bone.

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )