In DNA, the "rungs" between the two strands of DNA are formed from the
A. hydrogen bonds between nitrogen base pairs.
B. covalent bonds between nitrogen base pairs.
C. ionic bonds between the phosphate pairs.
D. ionic bonds between the nitrogen base pairs.
E. phosphodiester bonds between the deoxyribose sugars.
A. hydrogen bonds between nitrogen base pairs.
You might also like to view...
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
A) lipids B) glycogen C) proteins D) cellulose E) nucleic acids
Vertebrates with external fertilization produce eggs that (select all correct choices):
A. have a yolk to provide nutrients to the developing embryo. B. obtain oxygen via diffusion from the environment. C. eliminate wastes via diffusion into the environment. D. obtain water via diffusion from the environment. E. are laid on or near substrates like rocks to
The macroscopic examination for receipt and review of specimens should include all of the following:
a. type of container, leakage, blood or mucus present. b. type of container, blood or mucus present, consistency and color. c. leakage, blood or mucus present, viscosity for fluids, color and consistency. d. type of container, blood or mucus present, viscosity for fluids, and color.
CO2 and H2O are converted to HCO3? and H+ in the blood of the lungs
Indicate whether the statement is true or false.