The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is
A. ligase.
B. DNA polymerase.
C. ATP synthase.
D. helicase.
E. primase.
E. primase.
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Select that statement that reflects evidence that directly supports the endosymbiotic theory.
A. Lysosomes contain their own DNA in the form of plasmids. B. The electron transport system is located in the cell membrane in bacteria, while in eukaryotes it is located in the mitochondrial cristae. C. Enzymes for photosynthesis are found embedded in membranes of the Golgi apparatus. D. Glycolysis occurs in the cytoplasm of bacterial cells.
A leaf that is found to have stomata and epidermal hairs in depressions in the leaf surface probably came from a plant that is adapted to a(n) ________ climate
a. arctic b. arid c. cool and rainy d. tropical
The enzyme reverse transcriptase was discovered by ________.
A. Boyer and Cohen B. Temin and Baltimore C. Jackson, Symons, and Berg D. Arber and Smith
Part complete The type of RNA that holds an initial copy of the genetic information is the
a. tRNA. b. rRNA. c. dRNA. d. microRNA. e. mRNA.