100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
PCB 3023 - Cell Biology Exam 2 Review Questions And Answers With 100% Correct Answers £6.51   Add to cart

Exam (elaborations)

PCB 3023 - Cell Biology Exam 2 Review Questions And Answers With 100% Correct Answers

 8 views  0 purchase
  • Module
  • PCB 3023 - Cell Biology
  • Institution
  • PCB 3023 - Cell Biology

common characteristics of cytoskeletal filaments - 1. They are dynamic and adaptable 2. They can form stable structures 3. Assemble from small subunits movements exhibited by lipids in membranes - 1. lateral diffusion 2. trasverse fluctuation 3. rotation 4. flexion 5. flip-flop where can ce...

[Show more]

Preview 2 out of 13  pages

  • August 13, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PCB 3023 - Cell Biology
  • PCB 3023 - Cell Biology
avatar-seller
PCB 3023 - Cell Biology Exam 2 Review
common characteristics of cytoskeletal filaments - 1. They are dynamic and adaptable

2. They can form stable structures

3. Assemble from small subunits



movements exhibited by lipids in membranes - 1. lateral diffusion

2. trasverse fluctuation

3. rotation

4. flexion

5. flip-flop



where can cell membranes be found? - 1. enclosing the cell

2. enclosing the organalles



why does the mitochondria has two membranes? - to increase the surface area inside



membrane functions - 1. define boundaries to regulate the

a. chemical composition of the region they enclose

b. interaction of the region they enclose with their external environment

2. define boundaries that are soft and flexible which allow for

a. receiving information

b. import and export of small molecules

c. capacity for movement and expansion



(T/F) The aggregation of the hydrophobic ends of lipids lowers the free energy of the solution. -
true

, the region formed by the hydrophobic tales of lipids is known as - the hydrophobic core



a cell membrane is composed of - 1. phospholipids

2. glycolipids

3. cholesterol



phospholipids found in a cell membrane - 1. phosphatidylethanolamine

2. phosphatidylserine (negative)

3. phosphatidylcholine



glycolipids - glycosyl derivatives of lipids, that is, they have one or more monosaccharide residues
bound by a glycosidic linkage



(T/F) glycolipids are phospholipids - false



a cholesterol consists of - 1. a polar head group

2. a rigid planar steroid ring structure

3. a nonpolar hydrocarbon tail



flippases - enzymes that regulate asymmetry in the membrane



lipid synthesis occurs primarily in - the ER



phospholipids are synthesized - only in the cytosolic monolayer of the ER membrane



(T/F) membranes lose their orientation during transport - false

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

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 ACADEMICMATERIALS. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £6.51. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

64438 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£6.51
  • (0)
  Add to cart