Exam (elaborations)
AP Bio 19-21 Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
- Course
- Institution
AP Bio 19-21 Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
[Show more]
Content preview
AP Bio 19-21 Exam | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
Chromatin - DNA-Protein complex, in eukaryotes it's ordered into higher structural levels than in
prokaryotes
Histones - Proteins that are responsible for the 1st level of DNA packing in chromatin
Nucleosome - Basic unit of DNA packing, "bead". 5 types
Cell Differentiation - A process multicellular organisms undergo, a process of specialization in form and
function resulting in several cell types. Hard to reverse
Differential Gene Expression - Differences between cell types, allows cells to be different. 20% expressed
at a time
Histone Acetylation - Acetyl groups are attached to positively charged lysines in histone tails. If this is
tight, RNA polymerase can't attach
Genomic Imprinting - Methylation permanently regulates expression of Maternal or Paternal allele of
certain genes at start of development.
Transcription Factors - Required by eukaryotic cells, RNA Polymerase to initiate transcription. When
completely is completely assembled, polymerase can begin producing RNA from DNA
Control Elements - Segments of non-coding DNA that help regulate transcription
Enhancers - AKA Distal Control Elements, located farther from the promoter (up stream), one gene can
have multiple
Activator - Steroids bind to specific intracellular receptor protein which serves as transcription activator.
Stimulates transcription
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 oneclass. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.48. 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