Exam (elaborations)
NAS 2 Challenge Exam TCC – Questions and Answers
- Course
- Institution
NAS 2 Challenge Exam TCC – Questions and Answers
[Show more]
Seller
Follow
Victorious23
Reviews received
Content preview
NAS 2 Challenge Exam TCC – Questionsand Answers
Nucleus - -brain of the cell, directs cell activity and contains chromosomes
made of DNA
-Endoplasmic Reticulum - -"intracellular highway", transports items around
the cell, creates lipids of fat
-Lysosome - -An organelle containing digestive enzymes
-Cytoplasm - -A jellylike fluid inside the cell in which the organelles are
suspended
-golgi apparatus - -A system of membranes that modifies and packages
proteins for export by the cell
-ribosomes - -site of protein synthesis
-mitochondria - -Powerhouse of the cell, organelle that is the site of ATP
(energy) production
-cell membrane function - -1) keep toxic substances out of cell
2) has receptors that allow molecules to pass between organelles
3) separate vital/incompatible metabolic processes in organelles
-concentration gradient - -difference in the concentration of a substance
from one location to another
-simple diffusion - -hydrogen bonds form between water molecules and
solutes
-facilitated diffusion - -Movement of specific molecules across cell
membranes through protein channels
-osmosis - -Diffusion of water through a selectively permeable membrane
-active transport - -the movement of ions or molecules across a cell
membrane into a region of higher concentration, assisted by enzymes and
requiring energy.
-endocytosis - -the taking in of matter by a living cell by invagination of its
membrane to form a vacuole.
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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now