100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
NWHSU Histology Exam 1 Review Questions And Answers $16.99   Add to cart

Exam (elaborations)

NWHSU Histology Exam 1 Review Questions And Answers

 4 views  0 purchase
  • Course
  • NWHSU
  • Institution
  • NWHSU

NWHSU Histology Exam 1 Review Questions And Answers The inner nuclear membrane on the nuclear envelope is supported by: Nuclear Lamina During mitosis what causes the disassembly of nuclear envelope? Phosphorylation of the lamin Steps of creating chromosomes -Double helix DNA wound around 8 hi...

[Show more]

Preview 3 out of 20  pages

  • October 19, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NWHSU
  • NWHSU
avatar-seller
UpperClass
NWHSU Histology Exam 1 Review Questions
And Answers

The inner nuclear membrane on the nuclear envelope is supported by: Nuclear Lamina




During mitosis what causes the disassembly of nuclear envelope? Phosphorylation of the

lamin




Steps of creating chromosomes -Double helix DNA wound around 8 histone proteins

assemble into nucleosomes(structural unit of chromatin packaging)

-these chromatins are fibrils which fold together with each other to make fibers. (tight fold is

heterochromatin, loose fold is euchromatin)

-fibers will further condense to form chromosomes




Karyotype contains 22 pairs of autosomes and 1 pair of sex chromosomes (XX or XY)




All somatic cells have: 46 chromosomes (diploid 2n)




All germs cells(after meiosis) have 23 chromosomes (haploid 1n

,NWHSU Histology Exam 1 Review Questions
And Answers
What is used in karyotype analysis to stop diving cells? Colchicine




What stage are the cells stopped at in karyotype analysis? Metaphase( because the

chromosomes are maximally condensed)




Metaphase chromosomes appear as: sister chromatids




Trisomy of the 21st chromosome is called Down Syndrome




Trisomy of the 18th chromosome is called Edwards Syndrome




Trisomy of the 13th chromosome is called Patau Syndrome




What is Kleinefelter Syndrome? XXY of the sex chromosomes




What is Turner Syndrome? Only having an X chromosome (X0)

, NWHSU Histology Exam 1 Review Questions
And Answers
A person with an XX karyotype has how many sex chromatins? 1




A person with an XXXX karyotype has how many sex chromatins? 3




A person with an XY karyotype has how many sex chromatins? 0




In neutrophils sex chromatins appear as? bar bodies(drum stick appendage)




A nucleotide is made up of? nitrogenous base (purine/pyrimidine), deoxyribose sugar and

a phosphate group




nucleosides are made up of? nitrogenous base(purine/pyrimidine) and a deoxyribose sugar




Nucleotides are linked together by: phosphodiester bond




Notable purines: Adenine(A) & Guanine(G)

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 UpperClass. 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)

67096 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$16.99
  • (0)
  Add to cart