Exam (elaborations)
NUR 280 ( LATEST 2024 / 2025 ) EXAM 1 | QUESTIONS AND ANSWERS INCLUDED
- Course
- Institution
NUR 280 ( LATEST 2024 / 2025 ) EXAM 1 | QUESTIONS AND ANSWERS INCLUDED
[Show more]
Content preview
NUR 280 EXAM 11. Plasma Membrane
Answer
- protects internal organelles
- barrier from external environment
- selectively semipermeable
- glycoproteins (antigen) tells blood type
2. Sodium-Potassium Pump
Answer
- Na+ ions higher concentration outside cell
- K+ ions higher concentration inside cell
- Uses energy to actively transport across cell membrane
- 3Na+ for 2K+
- medications can alter it
3. Mitochondria
Answer
- Cell's energy producer
- Aerobic Metabolism
requires O2
,- Cellular hypoxia = anaerobic metabolism (glycolysis)
- Unique DNA, only in mitochondria
- Subject to mutation by free radicals; passed mother to child
4. Ribosomes
Answer
- Protein factories
- hypoxia causes decreased protein synthesis
5. Nucleus
Answer
- cell mastermind
- DNA inside
- transcription happens here
6. DNA
Answer
- made up of nucleotides, purine bases, pyrimidine bases
- in replication one strand stays and on goes
7. RNA
Answer
mRNA - instructions of what to do next rRNA - linking of amino acids
, tRNA - follows instructions
8. Nucleotide Base Pairs
Answer
A with T and C with G
9. Transcription
Answer
- occurs in the nucleus
- DNA helix untwists and separates
- single strand RNA
10. Translation
Answer
- occurs in ribosomes
11. Protein Synthesis
Answer
Forming proteins based on information in DNA and carried out by RNA
12. Atrophy
Answer
less or no use; cells getting smaller
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 $17.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now