BIO 446L Unit 1 Test Questions and Correct Answers
6 views 0 purchase
Course
BIO 446
Institution
BIO 446
Cell Basic structure and functional unit of multicellular organisms Some are specialized Divided into to major compartments: cytoplasm and nucleus Have intracellular organelles Shape determined by cytoplasmic skeleton
Organelles Plasma Membrane Mitochondria Ribosomes Endoplasmic Reticulum Golgi Ap...
BIO 446L Unit 1 Test Questions and
Correct Answers
Cell ✅Basic structure and functional unit of multicellular organisms
Some are specialized
Divided into to major compartments: cytoplasm and nucleus
Have intracellular organelles
Shape determined by cytoplasmic skeleton
Plasma Membrane ✅Lipid bilayer
Proteins: integral, transmembrane, peripheral
Has carbohydrates and lipids to form coat (glycocalyx)
Lipid rafts in membrane
Transport ✅Some substances cross by simple diffusion
Other cross in vesicles
Endocytosis: substance enters a cell
Exocytosis: Substance leaves a cell
Phagocytosis
Pinocytosis
Receptor-mediated endocytosis
Epithelium ✅Close packed cells
Continuous sheets of single (simple) or multiple (stratified) cells
Free surface
Basal lamina (basement membrane)
Avascular
Nerve supply
High capacity for renewal
Epithelium functions ✅Mechanical protection
Absorption
Secretion of materials
Lubrication of surfaces
Surface of diffusion
Transportation
Excretion
Reception
Reproduction
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 twishfrancis. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.
