It is difficult to determine either Km or Vmax from a graph of velocity vs. substrate concentration because

#Question id: 11477

#Unit 7. System Physiology – Animal

How could you genetically modify an animal so that it would distinguish more shades of green?

#Question id: 887

#Unit 1. Molecules and their Interaction Relevant to Biology

Polypeptides fold rapidly by a stepwise process, how does the polypeptide chain arrive at its native conformation?

#Question id: 1388

#Unit 4. Cell Communication and Cell Signaling

When Lucifer yellow, a small dye, is injected into a neuron of the retina, neighboring neurons become rapidly labeled. If the retina is incubated in dopamine prior to Lucifer yellow injection, only the injected neuron becomes labeled. These findings suggest which of the following?

I. Neurons of the retina communicate via gap junctions.

II. Dopamine is transferred between cells via gap junctions.

III. Dopamine decreases the permeability of gap junctions.

#Question id: 28738

#Unit 2. Cellular Organization

#Question id: 33354

#Unit 1. Molecules and their Interaction Relevant to Biology

Oxygen binding to iron in heme can shown as