2. What was the instrumentation Franklin used to determine the structure of DNA? Multiple choice question.
A)X-ray diffraction
B)spectroscopy
C)electron diffraction
D)chromatography

Which of the following are the functions of the skeletal system? blood cell production in soft marrow tissues and mineral reserves largest organ of the body for defense and support vitamin d production and pumping blood through vessels voluntary movement and contractile movement

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.