<span>The hamstring muscles are considered as <u>third class lever system.</u></span>
<span>Third class levers are the type of lever in which the
applied force is situated in between the load and the fulcrum. In this case,
the load is near the foot while the fulcrum is the ischial tuberosity and the
applied force is on the hamstring muscles which are in between the two.</span>
I think it is repeatable, testable, observable
Answer:
It means that from time to time, organisms change in form and function
Explanation:
As organisms live, they change and develop/mutate into better, stronger, and more functional creatures. This is in addition, because of the cells in the body.
Answer:
C. Double helix
Explanation:
The twisted ladder shape that DNA has can also be called a double helix.
It is in the shape of a helix, which is similar to a 3D spiral shape.
It is called a double helix because DNA is made up of two DNA helix strands that are intertwined.
So, C is the correct answer.
Two genes, BRCA1, located on chromosome 17q21 (5,6), and BRCA2, located on 13q12-13 (7–9), have been shown to predispose to familial breast cancer.
