KEY CONCEPT ___ _________ is the same in all _________.

____ is composed of ____ types of __________. ___ is made up of a ___ ____ of ____________. Each __________ has ____ _____. a _________ group a ____________ _____ a _________-__________ ____ phosphate group deoxyribose (sugar) nitrogen-containing base

The ________ containing ____ are the ____ _________ in the ____ ___________.

______ and _____ determined the ______-___________ _________ of ___ by building ______. They realized that ___ is a ______ _____ that is made up of a _____-__________ ________ on the ______ with _____ on the ______.

_______ and ______ discovery built on the work of ________ ________ and _____ ________. Franklin’s __-___ _____ suggested that ___ was a _______ _____ of ____ ____ _________ ____ stated that __=__ and __=__.

____________ always _____ in the ____ ___. The ____-_______ ____ show how ____________ always pair up in ___. __ pairs with __ __ pairs with __ Because a __________ (______ ____) pairs with a ______ (______ ____), the _____ has a uniform ____. C G T A

The ________ is connected by ________ _____. The ____ are connected by ________ _____. hydrogen bond covalent bond