BIO 253 - Quiz 2 Questions and Complete Solutions Graded A+
Denning Muriithi [Date] [Course title] BIO 253 - Quiz 2
.Define cell Correct Ans: Basic unit of life
2.Parts of cell Correct Ans: - Nucleus
-Cytoplasm
-Cell membrane
-Organelles
3.Cell membrane Correct Ans: - Selectively permeable
-Made from lipids & protein
-Phospholipid bilayer with tails pointing inward
-Has channels
4.Cytoplasm Correct Ans: - Jelly-like fluid made of actin
-Cytosol + organelles = fluid portion of cell
5.Organelle Correct Ans: Ribosomes Correct Ans: - Participate in the translation of RNA to proteins
-Attached to RER
-Made in nucleus
6.Organelle Correct Ans: RER Correct Ans: - Has ribosomes & makes protein
-Next to nucleus
-Rough
7.Organelle Correct Ans: SER Correct Ans: - Makes lipids & steroids
-Next to RER
-Shiny & smooth
8.Organelle Correct Ans: Vesicles Correct Ans: - Membrane sac
-Stores/transports
9.Organelle Correct Ans: Golgi Apparatus Correct Ans: - Stacks of vesicles
-UPS center responsible for transport
-Refines, packages, delivers proteins made in the RER
10.Organelle Correct Ans: Mitochondria Correct Ans: - Makes ATP
-Powerhouse
-Has an inner & outer membrane
11.Organelle Correct Ans: Lysosomes Correct Ans: - Protects
-Has enzymes to break down material
-Garbage disposal
12.Centrosomes Correct Ans: - Central body
-Always in pairs
-Sac that contains pairs of centrioles
13.Cilia Correct Ans: - Hairlike projection on cell membrane
-Aids in movement & defense
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
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 YourExamplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.