PSIO 303 EXAM 1 STUDY GUIDE
SOLUTIONS
Mitochondria - ANSWER-making ATP by breaking down sugar
plasma membrane (cell membrane) - ANSWER--Provides protection and a fixed environment for the
cell
-Transports nutrients into the cell and transports toxic substance outside of the cell
Nucleus - ANS...
Modes of cellular communication - ANSWER✔✔-Endocrine: cell in one part of the body sends signal
(hormone) to distant target cells
Paracrine: cell-cell communication
Autocrine: cell stimulates itself
Common cell structures called organelles are either membrane bound or non membrane bound. Choose
the following list that contains only membrane bound organelles. - ANSWER✔✔-nucleus, endoplasmic
reticulum, lysosome, mitochondrion
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