Exam (elaborations)
NUR 304 ( LATEST 2024 / 2025 ) CH 2 | A++ EXAM WITH ALL NEW QS & AS - GUARANTEED PASS!
- Course
- Institution
NUR 304 ( LATEST 2024 / 2025 ) CH 2 | A++ EXAM WITH ALL NEW QS & AS - GUARANTEED PASS!
[Show more]
Content preview
NUR 304 Ch 21. Organs
Answer
fully differentiated body parts with specialized functions
2. Tissues
Answer
groups of different cell types that combine to form a specific function
3. Cells
Answer
basic units that make up tissues
4. Plasma Membrane
Answer
protects the cell by creating a barrier that separates intracellular components from extracellular
environment surrounding it
5. Bilayer
Answer
2 interconnected layers
6. Lipid Bilayers
Answer
mainly made up of phospholipids; arrangement of plasma mem- brane
7. Phospholipids
Answer
phosphate [PO4-] bound to lipid; phosphate is the "head", lipid is the "tail"
,8. Polar (hydrophilic)
Answer
having attraction to water; heads of lipid bilayer
9. Nonpolar (hydrophobic)
Answer
lacking an attraction to water; tails of lipid bilayer
10. Glycolipids
Answer
carbohydrate bound to lipid; present in smaller amounts than phospholipids in bilayer
11. Transmembrane Proteins
Answer
Proteins that pass through the membrane; allow communication and transport between
extracellular and intracellular environments
12. Integral Proteins
Answer
specific type of transmembrane protein that becomes part of the membrane; binds to lipid tails;
often form channel proteins
13. Channel Proteins
Answer
allow for the transport of ions across the plasma membrane
14. Ion
Answer
atom with an electrical charge
15. Cytoplasm
, Answer
colloidal substance surrounding the cell nucleus composed of wa- ter, proteins, fats,
electrolytes, glycogen, and pigments
16. Organelles
Answer
structures within a cell that perform a distinct function
17. Smooth ER
Answer
synthesis of lipids, lipoproteins, and steroid hormones; reg. of intracellular Ca
18. Rough ER
Answer
synthesis of proteins via bound ribosomes; production of lysosomal enzymes (acid hydrolases)
19. Golgi Apparatus
Answer
membranous structure; prepares substances produced by ER for secretion out of cell
20. Peroxisomes
Answer
membrane-enclosed sacs smaller than lysosomes; contain en- zymes called oxidases that
neutralize oxygen free radicals; promote survival by neutralizing harmful substances
21. Oxygen Free Radicals
Answer
atoms carrying an unpaired electron and no charge
22. Lysosome
Answer
small membranous sacs; digest cellular debris with hydrolytic enzymes; metabolism of
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 gradexam. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
84146 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now