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Module 2

A cell is known to respond to a particular signaling /molecule.Whish of the following must be true of this cell It contains the receptor for the signaling molecule.
A hypertonic solution Has a higher solute concentration relative solution.
A signal transduction pathway involves a signaling molecule that Binds to a cell surface receptor, whish then relays the message about the receipt of the signal to cell interior
A substance is bought to you that is a suspected steroid hormone. If this tentative identification is correct, you automatically know that this substance Will bind to and active an intracellular receptor.
BIOLOGY IN THE NEWS What is the name of the protein that is associated with HDL particles and that appers to be somewhatresponsible for their helthfulproperties? Apo lipoprotein A-1
BIOLOGY IN THE NEWS Which of the following statements is NOT a way in which LDL particles build up too high level in the bloodstream? Carbohydrates in the diet are immediately converted into cholesterol.
Consider a relatively large, complex biochemical,, such as an amino acid. If this molecule passes through the plasma membrane to gain entry into the cell, it will most likely pass Through an active carrier protein
Consider the small, biologically important molecule water,oxygen, and carbon dioxide. If these molecules enter or exit the cell, they will most likely pass Directly through the phospholipid bilayer.
Created by: veronicaq



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