![](https://www.opentextbooks.org.hk/sites/opentextbooks/files/book_profile/cc_icon/by-sa.png)
Available under Creative Commons-ShareAlike 4.0 International License.
![media/image1.png](http://www.opentextbooks.org.hk/system/files/resource/34/34471/34875/media/image1.png)
Figure 10.1
(a) A thermal cycler, such as the one shown here, is a basic tool used to study DNA in a process called the polymerase chain reaction (PCR). The polymerase enzyme most often used with PCR
comes from a strain of bacteria that lives in (b) the hot springs of Yellowstone National Park.
- 3057 reads