1.2 Elements of Life Flashcards
1
Q
Living systems require a constant input of energy
A
2
Q
what element helps to build lipids, carbohydrates, proteins, and nucleic acids ?
A
carbon
3
Q
proteins and nucleic acids are made from what element ?
A
nitrogen
4
Q
organic compounds contain
A
carbon and hydrogen
5
Q
what are hydrocarbons
A
organic molecules of only carbon and hydrogen
think- simple framework and shape
H-C-C-C-H
6
Q
what are functional groups?
A
chemical group units attached to the carbon skeletal
7
Q
what can carbon do?
A
can form single, triple, and double bonds
can form long chains
rings
branches
8
Q
carbon is used to build MACROMOLECULES
A
9
Q
carbon containing molecules can store energy
A
10
Q
What element is used make nucleic acids and lipids
A
Phosphorus
11
Q
A
