Exam (elaborations)
BIO 101: Module 4 Practice Exam Questions And Answers With Verified Solutions 100% Correct!!!
- Course
- Institution
BIO 101: Module 4 Practice Exam Questions And Answers With Verified Solutions 100% Correct!!!
[Show more]
Content preview
BIO 101: Module 4 Practice ExamQuestions And Answers With Verified
Solutions 100% Correct!!!
In a nucleosome, the DNA is wrapped around _____________________.
A.) A thymine dimer
B.) Satellite DNA
C.) Polymerase molecules
D.) Histones
E.) Ribosomes - ANSWER✔✔ D.) Histones
Imagine that you've isolated a yeast mutant that contains histones resistant to
acetylation. What phenotype do you predict for this mutant?
A.) The mutant will show high levels of gene expression
B.) The mutant will grow rapidly
C.) The mutant will show low levels of gene expression
D.) The mutant will require galactose for growth - ANSWER✔✔ C.) The mutant
will show low levels of gene expression
Why do histones bind tightly to DNA?
A.) Histones are negatively charged, and DNA is positively charged
B.) Histones are highly hydrophobic, and DNA is hydrophilic
C.) Both histones and DNA are strongly hydrophobic
D.) Histones are covalently linked to the DNA
, E.) Histones are positively charged, and DNA is negatively charged -
ANSWER✔✔ E.) Histones are positively charged, and DNA is negatively charged
In eukaryotes, the normal or default state is that genes are turned
________________.
A.) On through their association with exons
B.) Off through their association with exons
C.) Off through their association in nucleosomes
D.) On through their association in nucleosomes - ANSWER✔✔ C.) Off through
their association in nucleosomes
Which of the following statements describes a eukaryotic chromosome?
A.) A series of nucleosomes wrapped around two DNA molecules
B.) A single linear molecule of double-stranded DNA plus proteins
C.) A single strand of DNA
D.) A chromosome with different numbers of genes in different cell types of an
organism - ANSWER✔✔ B.) A single linear molecule of double-stranded DNA
plus proteins
DNA methylation and histone acetylation are examples of
_____________________.
A.) Karyotypes
B.) Genetic mutation
C.) Translocation
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82191 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now