Big Idea 3
Living systems store, retrieve, transmit, and respond to information essential to life processes.
A: Heritable information provides for continuity of life.
What are plasmids?
What did Watson and Crick; Rosalind Franklin; Avery, MacLeod, and McCarty; and Hershey and Chase do?
How does DNA replication take place?
What is so unusual about the way retroviruses replicate?
How does DNA become a protein?
What are the phases of the cell cycle?
How is meiosis different from mitosis?
B: Expression of genetic information involves cellular and molecular mechanisms.
How do operons regulate gene expression?
C: The processing of genetic information is imperfect and is a source of genetic variation.
What is the function and structure of a virus?
What are the lytic and lysogenic cycles of viruses?
What is virus transduction?
D: Cells communicate by generating, transmitting and receiving chemical signals.
What is a signal transduction pathway?
What are the stages of cell signaling?
What is a secondary messenger?
What are endocrine signals?
E: Transmission of information results in changes within and between biological systems.
What causes a fight-or-flight response?
What is the structure of a neuron?
How do neurons work?
What are the functions of the cerebrum, cerebellum, and brainstem?