AP Bio Study Guide

Big Idea 2



What are phototropism and photoperiodism?

What role does apoptosis play in normal development and differentiation?

What are MicroRNA and Small interfering RNA?

What are homeotic genes?


How does the mammalian immune system work?

How do plants, invertebrates, and vertebrates respond to pathogens?

What is symbiosis, and what types exist?


What are negative and positive feedback mechanisms?


What are the functions of the nucleus, ER, Golgi, and lysosome?

What is active transport?

What is passive transport?

What is the difference between hypertonic, hypotonic, and isotonic?

What is the fluid mosaic model?

A: Growth, reproduction and maintenance of the organization of living systems require free energy and matter.

How does cellular respiration work?

How does photosynthesis work?

What is the difference between an autotroph and a heterotroph?

What are exergonic and endergonic reactions?

What are the laws of thermodynamics?