LQB182 Lectorial 3 Cells, Organelles, and Cell Skeletons
Just as your body is comprised of organs, so too is the cell comprised of organelles.
Your skin is analogous to the plasma membrane of the cell, it aids in defence, controlling what goes in and
what goes out, responding to environment thro...
LQB182 LECTORIAL 3 CELLS, ORGANELLES, AND CELL SKELETONS
LQB182 Lectorial 3 Cells, Organelles, and Cell Skeletons
Just as your body is comprised of organs, so too is the cell comprised of organelles.
Your skin is analogous to the plasma membrane of the cell, it aids in defence, controlling what goes in and
what goes out, responding to environment through touch, insult, movement, temperature and plays an
important role in communication.
Q1. What major macromolecules make up the plasma membrane (Hint: you should list four different
macromolecules)
Q2. What macromolecule would a cell include more of into the plasma membrane if it wanted to increase
the structural stability and rigidity of the membrane?
Cholesterol – helps to increase cell membrane stability.
Q3. Draw connecting lines between boxes where they match or reflect the truth. Boxes can have multiple
connections. One connection has been provided.
Neuron
(nerve cell)
Is a prokaryote
Staphylococcus
Has (Bacteria)
chromosomes
Is an eukaryote Chloroplasts
Has a nucleus
Has a cell wall
Plant cell Has
mitochondria
, Q4. Which cellular organelles are evidence that supports the endosymbiont theory?
Mitochondria or chloroplasts. Mitochondria especially in human cells as they have their own DNA –
predominantly from the maternal side.
Q5. Name those structures!
Flagellum
Nucleus
RER – rough endoplasmic reticulum
Mitochondria
A
B
C
D
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 HIGHFLYER. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
