The X-Ray Diffraction Photography of Rosalind Franklin and Maurice Wilkins

question 16

Multiple Choice

The X-ray diffraction photography of Rosalind Franklin and Maurice Wilkins was critical evidence in the study of DNA,

• A) indicating that DNA has a double helix structure.
• B) showing equal numbers of purines and pyrimidines.
• C) showing the bases of DNA were held together by hydrogen bonds.
• D) revealing the structure of the deoxyribose sugar.
• E) of the location of each adenine, guanine, cytosine, and thymine.

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Definitions:

Rete Testis

A network of tubules located in the testis that functions in the transport of sperm from the seminiferous tubules to the efferent ducts.

Epididymis

A long, coiled tube that stores sperm and transports it from the testes.

Semen Volume

The total volume of fluid ejaculated, containing sperm and fluids from the seminal vesicles, prostate, and other sex glands.

Seminal Vesicles

Glands that produce seminal fluid, a component of semen, which provides nutrients and a medium for sperm during ejaculation.