Figure 15.1
The following question refers to the figure above illustrating the initial steps in the formation of recombinant DNA.
In panel 4, the base-paired DNA fragments are joined together with ____.
A. DNA polymerase
B. RNA polymerase
C. reverse transcriptase
D. DNA ligase
E. restriction endonuclease
Answer: D
You might also like to view...
DNA damage can occur
A) due to exposure to certain chemicals or radiation. B) spontaneously. C) during DNA replication. D) during transcription. E) during DNA replication, spontaneously, or due to exposure to certain chemicals or radiation.
An enzyme is about the same as a(n)
A. catalyst. B. inhibitor. C. substrate. D. end product.
How can a phylogenetic tree be used to make predictions?
A) Future branching patterns and adaptations can be predicted from current trends of evolution. B) Features shared between two groups are likely to have been present in their common ancestor. C) Features found in one clade are unlikely to be found in closely related clades. D) Analogous characteristics can predict the evolutionary relationships among groups.
You are a part of the first scientific team to land on Mars. What steps would you take to determine whether there is any life there? If you found something, how would you know whether it is a living thing?
What will be an ideal response?