BIOLOGY 203 EXAM 1 SDSU QUESTIONS WITH CORRECT ANSWERS

Nucleic Acids function


Give this one a try later!


Store, Transmit, and Decode, Hereditary Information, Also some structural
roles




Proteins function

,Give this one a try later!


Perform an incredible number of
functions!
• Structural proteins
• Transport proteins
• Enzymes
• Hormones & signaling molecules
• Storage proteins
• Receptor proteins
• Contractile & motor protein
• Defense proteins




Tertiary structure


Give this one a try later!


Determined by interactions among various side chains
• R groups
- The overall fold of the molecule
• Its three dimensional shape or conformation
hydrophobic bonds




when biologists wish to study the internal ultrastructure of cells, they most likely
would use


Give this one a try later!


transmission electronic microscopy

, protein function


Give this one a try later!


account for 50% dry mass of cell;Structural support
- Storage
- Transport
- Cellular communications
- Movement
- Defense against foreign substances including foreign proteins
• From microbes




Secondary structure


Give this one a try later!


Found in most proteins
Consists of coils and folds in the polypeptide chain
Result from hydrogen bonds between constituents of the polypeptide
backbone
hydrogen bonds




Macromolecules traits


Give this one a try later!


Vary among cells of an organism, Vary more within a species, Vary even
more between species