Test 3 Questions
and Complete
Solutions Graded
A+
Denning [Date] [Course title]
, To serve as genetic material, molecule must be able to... - Correct Ans: Replicate
Store information
Express information
Allow variation by mutation
Three major types of macromolecules... - Correct Ans: -Deoxyribonucleic acid (DNA)
--storage molecule for genetic instructions to carry out metabolism and reproduction
-Ribonucleic acid (RNA)
--derived from DNA, expresses the info in DNA
-Proteins and enzymes
--functional entitites that build cellular structures and do cellular work
Transforming principle - Correct Ans: A single gene mutation change can covert a smooth strain to
rough strain of same antigenic type
-Frederick Griffith
"Change one's ability to pathogenic"
Demonstrated transforming principle was DNA
Central dogma - Correct Ans: DNA-->RNA-->protein
-DNA is a template for RNA synthesis (transcription)