Rosalind Franklin used which techniques to
determine many of the physical characteristics
of DNA?
a. scanning electron microscopy
b. transmission electron microscopy
c. recombinant DNA techniques
d. X-ray crystallography
e. DNA profiling
D
You might also like to view...
What is cytokinesis?
A. The stage of the cell cycle during which the cell separates its duplicated DNA B. The stage of the cell cycle during which the cell duplicates its DNA C. The stage of the cell cycle after the cell has divided its DNA and during which the cytoplasm gets divided D. The stage of the cell cycle that happens before the cell is ready to divide its DNA
A lens
(a) is the amount that an object’s image is enlarged. (b) is the extent to which detail in an image is preserved during the magnifying process. (c) is the degree to which image details stand out against their background. (d) focuses light rays emanating from an object to produce an image.
Which one of the following types of post-transcriptional modification is common in eukaryotes?
A. polyadenylation B. intron removal C. 5' cap addition D. polyadenylation and intron removal E. All of these choices are correct.
Why do woodland star flowers likely abort flower heads with Greya moths in geographic locations where other nonflower-feeding pollinators are present?
a. Greya moths do not pollinate woodland stars in locations with multiple pollinators. b. Pollination by Greya is no longer essential for the reproduction of woodland stars. c. Pollen becomes limited and woodland stars can no longer afford to lose seed to Greya larvae. d. B and C.