Dna:
a. is a polymer composed primarily of repeating five carbon sugars.
b. contains four types of nitrogenous bases.
c. consists of two strands connected by hydrogen bonds.
d. A and C.
e. All of the above.
E
You might also like to view...
Linnaeus began naming organisms that were alike by using Latin names, he gave each organism two names; for example a wolf is called Canis lupis by scientists. What type of naming system is this and what group does "lupis" designate?
A. Binomial nomenclature; genus. B. Binomial nomenclature; species. C. Zoological nomenclature; genus. D. Zoological nomenclature; species. E. Both binomial and zoological nomenclature; species are correct.
Who developed the modern endosymbiotic theory?
a. Charles Darwin b. Lynn Margulis c. Richard Dickerson d. Wendy Johnson e. Stanley Miller
El Niño and La Niña ____
a. both decrease water temperatures in the eastern Pacific Ocean b. both increase water temperatures in the eastern Pacific Ocean c. both increase water temperatures in the Gulf of Mexico d. cause more rain and less rain, respectively, in Australia e. cause fewer hurricanes and more hurricanes, respectively, in the North Atlantic
Using retroviral vectors for gene therapy might increase the patient's risk of developing cancer because they might _____
A) introduce proteins from the virus B) not express the genes that were introduced into a patient's cells C) not integrate their recombinant DNA into the patient's genome D) integrate recombinant DNA into the genome in ways that misregulate the expression of genes at or near the site of integration