Exam (elaborations)
NWHSU Histology Exam 1 Review Questions and Answers
- Course
- Institution
NWHSU Histology Exam 1 Review Questions and Answers
[Show more]
Content preview
NWHSU Histology Exam 1 ReviewQuestions and Answers
Chromatin iifunction: ii- iiAnswers ii-Synthesis iiof iirRNA
Chromatin iiis iimade iiup iiof iiwhat? ii- iiAnswers ii-Double iiStranded iiDNA iiand
iinucleoproteins(Histones)
Euchromatin ii- iiAnswers ii--Vesicular iiand iileptochromatic ii
-transcriptionally iiactive iiand iielectron-lucent
Heterochromatin ii- iiAnswers ii--Condensed iiand iipachychromtic
-Transcriptionally iiinactive iiand iiwhen iistained iihas iibasophilic iiclumps
Nuclear iienvelope iiconsists iiof: ii- iiAnswers ii--2 iiparallel iimembranes ii(outer iiand iiinner
iinuclear iimembrane)
-Outer iiis iicontinuous iiwith iirER
The iithin iispace iibetween iithe iitwo iinuclear iienvelope iimembranes: ii- iiAnswers ii-
Perinuclear iicisterna
Openings iion iinuclear iienvelope ii- iiAnswers ii-nuclear iipores
The iiinner iinuclear iimembrane iion iithe iinuclear iienvelope iiis iisupported iiby: ii- iiAnswers
ii-Nuclear iiLamina
During iimitosis iiwhat iicauses iithe iidisassembly iiof iinuclear iienvelope? ii- iiAnswers ii-
Phosphorylation iiof iithe iilamin
Steps iiof iicreating iichromosomes ii- iiAnswers ii--Double iihelix iiDNA iiwound iiaround ii8
iihistone iiproteins iiassemble iiinto iinucleosomes(structural iiunit iiof iichromatin iipackaging)
ii
-these iichromatins iiare iifibrils iiwhich iifold iitogether iiwith iieach iiother iito iimake iifibers.
ii(tight iifold iiis iiheterochromatin, iiloose iifold iiis iieuchromatin)
-fibers iiwill iifurther iicondense iito iiform iichromosomes
Karyotype iicontains ii- iiAnswers ii-22 iipairs iiof iiautosomes iiand ii1 iipair iiof iisex
iichromosomes ii(XX iior iiXY)
All iisomatic iicells iihave: ii- iiAnswers ii-46 iichromosomes ii(diploid ii2n)
All iigerms iicells(after iimeiosis) iihave ii- iiAnswers ii-23 iichromosomes ii(haploid ii1n
, What iiis iiused iiin iikaryotype iianalysis iito iistop iidiving iicells? ii- iiAnswers ii-Colchicine
What iistage iiare iithe iicells iistopped iiat iiin iikaryotype iianalysis? ii- iiAnswers ii-Metaphase(
iibecause iithe iichromosomes iiare iimaximally iicondensed)
Metaphase iichromosomes iiappear iias: ii- iiAnswers ii-sister iichromatids
Trisomy iiof iithe ii21st iichromosome iiis iicalled ii- iiAnswers ii-Down iiSyndrome
Trisomy iiof iithe ii18th iichromosome iiis iicalled ii- iiAnswers ii-Edwards iiSyndrome
Trisomy iiof iithe ii13th iichromosome iiis iicalled ii- iiAnswers ii-Patau iiSyndrome
What iiis iiKleinefelter iiSyndrome? ii- iiAnswers ii-XXY iiof iithe iisex iichromosomes
What iiis iiTurner iiSyndrome? ii- iiAnswers ii-Only iihaving iian iiX iichromosome ii(X0)
A iiperson iiwith iian iiXX iikaryotype iihas iihow iimany iisex iichromatins? ii- iiAnswers ii-1
A iiperson iiwith iian iiXXXX iikaryotype iihas iihow iimany iisex iichromatins? ii- iiAnswers ii-3
A iiperson iiwith iian iiXY iikaryotype iihas iihow iimany iisex iichromatins? ii- iiAnswers ii-0
In iineutrophils iisex iichromatins iiappear iias? ii- iiAnswers ii-bar iibodies(drum iistick
iiappendage)
A iinucleotide iiis iimade iiup iiof? ii- iiAnswers ii-nitrogenous iibase ii(purine/pyrimidine),
iideoxyribose iisugar iiand iia iiphosphate iigroup
nucleosides iiare iimade iiup iiof? ii- iiAnswers ii-nitrogenous iibase(purine/pyrimidine) iiand iia
iideoxyribose iisugar
Nucleotides iiare iilinked iitogether iiby: ii- iiAnswers ii-phosphodiester iibond
Notable iipurines: ii- iiAnswers ii-Adenine(A) ii& iiGuanine(G)
Notable iiPyrimidines: ii- iiAnswers ii-Cytosine(C) ii& iiThymine(T)
The iidouble iihelix iiof iiDNA iiis iiheld iitogether iiby ii- iiAnswers ii-Hydrogen iibonding
How iimany iibonds iiare iibetween iiAdenine iiand iiThymine? ii- iiAnswers ii-2
How iimany iibonds iiare iibetween iiCytosine iiand iiGuanine? ii- iiAnswers ii-3
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 millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80189 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now