2. All genes are activated and expressed all the time.
True
False

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which of these parts of the membrane large moecules pass through it ?