AP Biology: Unit 3 Review (CED)

Front

What is the pathway of electrons in the light reactions of photosynthesis?

Back

H2O → PSII → ETC → PSI → NADPH

Front

Which protein structure is unaffected by denaturation?

Back

Primary structure

Front

What environmental conditions can cause denaturation of an enzyme?

Back

Extreme increase in temperature and pH changes

Front

What must occur to maintain order and power in cellular processes?

Back

Energy input must exceed energy loss

Front

Where did photosynthesis first evolve?

Back

Prokaryotic organisms

Front

What is photosynthesis?

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What are the two main stages of photosynthesis?

Back

Light reactions and Calvin cycle.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, primarily in the blue and red wavelengths.

Front

What is denaturation in the context of proteins?

Back

The process in which proteins lose their structure and function due to external stressors like heat or pH changes.

Front

What is the difference between primary and secondary protein structure?

Back

Primary structure is the sequence of amino acids, while secondary structure refers to the folding or coiling of the chain into alpha-helices or beta-sheets.