Think it's C since joints connects two bones together and marrow is inside bones.
An isometric exercise is a form of exercise involving the static contraction of a muscle without any visible movement in the angle of the joint.
DNA replication is the process by which two DNA molecules are produced from one parent DNA molecule. DNA replication is semi conservative, this implies that, each strand in the double helix DNA molecule act as a template for the synthesis of a new, complimentary DNA strand. Because semi conservative method has a DNA template that is already accurately formed, the probability of having errors in the newly formed strand is drastically reduced.
Answer:
thats true brooooooooooooooooo