Exam (elaborations)
BIO 242 TEST 2 Update
- Course
- Institution
BIO 242 TEST 2 Update BIO 242 TEST 2 Update BIO 242 TEST 2 Update
[Show more]
Seller
Follow
Pronurse
Reviews received
Content preview
TEST 2 BIO 242TEST 2 BIO 242/ FALL NAME
ID #
Students MUST enter their name and ID number on BOTH the question and answer (scantrons) sheets of
each exam in the correct spaces. Also students must enter the correct version of their tests on their
answer (scantrons) sheet in the correct space, failure to do so will result in an automatic zero for that
exam.
Choose the best answer.
Fill in the appropriate bubble.
Make sure ALL electronic equipment is put away.
For true, fill in a.
For false, fill in b.
1) form channels between cells, allowing ions and small molecules to diffuse directly from
one cell to the other.
A) Connexins
B) Cadherins
C) Dyneins
E) Tubulins
2) Which of the following components of the plasma membrane forms ion channels?
A) phospholipids
B) cholesterol
C) membrane
carbohydrates D)
membrane proteins
3) T/F Movement of K+ into the cell requires energy expenditure, whereas movement of Na+ into the
cell does not.
4 ) The autonomic nervous system is
A) part of the somatic nervous system.
B) considered to be the involuntary branch of the efferent division of the peripheral nervous system.
C) part of the central nervous system.
D) D) all of these answers.
5) Non polar molecules are capable of crossing the membrane .
A) directly across the lipid bilayer
B) only through specific protein channels
C) only with the addition of energy
D) indirectly by moving across a carrier protein
6) The fact that a cell has an electrical potential difference across its membrane makes that cell .
A) depolarized
, TEST 2 BIO 242
B) hyperpolarized
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 Pronurse. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now