Exam (elaborations)
ASU BIO 181 EXAM 1- QUESTIONS & ANSWERS
- Course
- Institution
ASU BIO 181 EXAM 1- QUESTIONS & ANSWERS
[Show more]
Content preview
ASU BIO 181 EXAM 1- QUESTIONS &ANSWERS
Molecular motors run on which two cytoskeletal filament systems? Correct Ans-ACTIN
FILAMENTS AND MICROTUBULES
Chromosomes are made out of Euchromatin. Correct Ans-FALSE
The diameter of an intermediate filament is 25 nm. Correct Ans-FALSE
Where is the histone H1 found? Correct Ans-Used as a staple to attach DNA to nucleosomes
Cilia and microvilli contain a similar number of parallel actin filaments. Correct Ans-FALSE
The actin filament system is present in the nucleus. Correct Ans-FALSE
Consider the geography of cells. Actin filaments are present in the cell's ___ and the
microtubules are present in the cell's Correct Ans-CELL CORTEX; CELL INTERIOR
The actin filament system extends outside of the cell. Correct Ans-FALSE
Molecular motors use ATP as the energy source to power the molecular motors. Correct Ans-
TRUE
What does the nucleosomal core have in it (i.e., the basket ball like structure on the
slides)? Correct Ans-(2 H2A, 2 H2B, 2 H3, 2H4)
, To get into the nucleus a component has to have the correct signal sequence and pass through a
nuclear pore. Correct Ans-TRUE
Which cytoskeletal filament system lines the inside of the nucleus to protect it? Correct Ans-
Intermediate filament system.
Lamins are type V intermediate filament proteins.
The other point where MAPK can become active is ____________ of the cell cycle. Correct
Ans-M-PHASE
For a cell to respond to a ligand released from a cell and uses the circulatory system to get to
the responding cell it is called ____________ communication. Correct Ans-ENDOCRINE
There are two basic forms of cytoplasmic signaling (i.e. signal transduction). One uses
____________ and the other uses ____________. Correct Ans-CALCIUM SIGNAL, PROTEIN
KINASES
When a cell "talks to itself" it is called ____________ communication. Correct Ans-
AUTOCRINE
There are two basic types of communication within cells. One type is called ____________
signaling and it takes days to weeks to occur. The other type is called _________ communication
and it takes minutes to hours to act. Correct Ans-NUCLEAR, CYTOPLASMIC
Two types of second messengers discussed in lecture can exist downstream of a plasma
membrane receptor. These are ____________ and ____________. Correct Ans-GTP BINDING
PROTEINS & ADENYLYL CYCLASE
There is communication between cells and communication ____________ cells. Correct Ans-
WITHIN
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 ExamRoom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80467 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
