Nucleus - ANSWER aids in cell division and control of genetic info, contains DNA (think
the egg yolk)
Ribosomes - ANSWER RNA-protein complexes; float freely in cytoplasm; provide sites
for cellular protein synthesis; packages and modifies protein for transportation and
secretion
Endoplasmic Reticulum (ER) - ANSWER specializes in the synthesis and transport of the
protein and lipid components of most of the cells organelles (memory factory)
Golgi complex - ANSWER Organelle that packages and distributes proteins into vesicles
and transports within and outside of cell (refining plant in cytoplasm; traffic cop- what
goes in and out of cytoplasm)
Lysosomes - ANSWER An organelle containing digestive enzymes; digest and remove
wastes, digest debris from dead cells; if ruptured, they can digest cell contents;
autodigestion occurs in starvation
Mitochondria - ANSWER Powerhouse of the cell, organelle that is the site of ATP
(energy) production; pathway for metabolism of carbs, lipids, and amino acids into ATP;
to keep the cell alive; can grow and self-replicate in the cell
Cytoskeleton - ANSWER A network of fibers that holds the cell together, helps the cell to
keep its shape, and aids in movement; "bones and muscle" of the cell; have cilia to move
it on out
Characteristics of plasma membrane - ANSWER made up of lipids and proteins; the
basic component is a bi-layer of lipid molecules that are responsible for the structural
integrity of the membrane
The prevents water soluble molecules from entering cells across the
plasma membrane - ANSWER Phospholipid layer
Prokaryote - ANSWER unicellular organism lacking a nucleus; contains NO organelles
(include cyanobacteria, bacteria, and rickettsia)
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MasterGrade. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.88. You're not tied to anything after your purchase.
