42. which of the following choices is not a function of peripheral proteins found in eukaryotic or prokaryotic cell membranes?
a. cytoskeletal attachment
b. osmotic channels
c. cell signaling
d. cell junctions

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

The deserts of the sahara and australia are associated with

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen