What is the "central dogma"?
A. Much like all viruses, all cells use DNA to encode genetic information.
B. For a given individual, the genetic information contained in the DNA of every cell is identical.
C. The ability of a cell to survive depends on the accurate duplication of genetic information carried in its DNA.
D. Within the cell, genetic information flows from DNA to RNA to protein.
E. The earliest cells on Earth most likely used RNA to store and copy genetic information.
Ans: D. Within the cell, genetic information flows from DNA to RNA to protein.
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In an approach called ________ taxonomy, relatedness is determined by a wide range of phenotypic and genotypic information.
Fill in the blank(s) with the appropriate word(s).
Both mitochondria and chloroplasts have inner membranes with much greater surface area than their outer membranes. Discuss the contribution of the extensive inner membranes to the roles of these organelles
What will be an ideal response?
What is the drawback of live attenuated vaccines?
A) They require more secondary reimmunizations than other vaccines. B) They are not effective in adults. C) They do NOT provide a long-lasting secondary immune response. D) They can cause disease in some immunocompromised individuals.
Today the term "algae" is used primarily for
organisms in the group(s) a. bacteria. b. protista. c. plantae. d. bacteria and protista only. e. bacteria, protista, and plantae