What do I need to know for the test?

Major topics to review (by chapter)

Chapter 11

Local regulation vs paracrine signaling vs hormones
Stages of cell communication
Types of cell surface receptors
Second messengers - what are they, why are they used, examples (Ca⁺⁺, cAMP, IP₃)

Chapter 39

Tropisms (phototropism, gravitropism, thigmotropism)
Early experiments on phototropism (Darwin², Boysen-Jensen, Went
Ethylene = fruit ripening (thought I took this one off)
Short-day vs long-day plants
Red vs far-red light
Photoperiodism

Chapter 45

Hormones vs neurotransmitters vs local regulators
Hypothalamus relationship to ant. pituitary
Selectivity of responses to hormones
Insulin/glucagon system - know this in some detail

Photosynthesis

Respiration PowerPoint

Entropy and Time

Just saw this, and thought I would pass it along. Pretty good review of the second law of thermodynamics.

Favorite quote:

After all, you are a very highly ordered person, I'm assuming. If you are somehow a disordered homogeneous cloud of gas, then please accept my apologies.

I will try to get some more posts up here, maybe not the once-a-week pace of the summer, but something more regular. And maybe there will be some extra credit possible for "comment of the week" or something.

Chapter 7 PowerPoint

Here is the PowerPoint for chapter 7 with text.