The scientist(s) who used X-ray diffraction to help reveal the geometric structure of DNA was/were
A. Wilkins and Franklin.
B. Hershey and Chase.
C. Avery and Macleod.
D. Chargaff.
E. Watson and Crick.
A. Wilkins and Franklin.
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Choose the option that best describes the relationship between the cell wall thickness of parenchyma cells versus sclerenchyma cells
A) The cell walls of parenchyma cells are thinner than those of sclerenchyma cells. B) The cell walls of parenchyma cells are thicker than those of sclerenchyma cells. C) The thickness of the cell walls for both types of cells is roughly equal. D) The thickness of the cell walls for both types of cells is too variable for a comparison to be made.
Under strictly controlled conditions, a probe can be used that will hybridize only with its complementary sequence and not with other sequences that may vary by as little as one nucleotide. What are such probes called?
A) generation-specific probes B) microsatellites C) allele-specific oligonucleotides (ASOs) D) VNTRs E) short, variable repeats
Mutations in myosin V cause a human disorder known as ________, involving partial albinism and neurological defects
Fill in the blank with correct word.
Which of the following best describes the definition of a gene?
A. the protein product that genetic material produces B. genetic information that produces a product, either proteins or RNA C. a section of DNA that produces a single protein product D. a collection of polypeptides that fold to form a complex protein