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Bio 1 Final
Terms in this set (12)
A match of structures and functions could include
cytoskeleton-microfilaments, nucleus-DNA replication, cell membrane-lipid bilayer, golgi apparatus- modification
responsible for the biosynthesis of proteins that are destined
for secretion by the cell.
Tissues such as the gonads that produce steroids are likely to be rich in
smooth endoplasmic reticulum
A description of ribosome biosynthesis and structure could include the following information:
ribosomes are composed of two subunits of RNA and proteins and ribosomal proteins are produced in the cytosol
the diffusion of water across a membrane in response to the concentration of one or more of the solutes.
Membrane proteins are not very soluble in water
they posses long stretches of non-polar amino acids that are hydrophobic
The cell's transactions with the environment mediated by its plasma membrane include
ingesting food as molecules and sometimes as entire cells, returning waste and other molecules back to the environment, responding to a host of chemical cues, and passing of messages to other cells.
Carbohydrate chains on the outer surface of the plasma membrane are often marker molecules that identify
part of a membrane protein that extends through the phospholipid bilayer
primarily composed of amino acids that are non-polar
Functions of a typical plasma membrane include
transport of water and bulk material, selective transport of certain molecules and material, reception of information, and expression of
In bacteria, fungi, and plants the high internal pressure generated by osmosis is
counteracted by the mechanical strength of their cell walls.
The actual transport of protons by the proton pump is mediated by
a transmembrane protein which undergoes a change in its conformation
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Bio I lecture final
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