100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
PNB 2250 Exam 3 UCONN Questions And Answers With Real Tests $11.99   Add to cart

Exam (elaborations)

PNB 2250 Exam 3 UCONN Questions And Answers With Real Tests

 6 views  0 purchase
  • Course
  • PNB 2250
  • Institution
  • PNB 2250

PNB 2250 Exam 3 UCONN Questions And Answers With Real Tests The loss of digestive wastes, CO2 and NH4+ are examples of _______________. ANS excretion The regulation of H2O and solutes is via ___________________. ANS osmoregulation Water moves from an area of ________ (low, high) osmolarity...

[Show more]

Preview 2 out of 5  pages

  • October 9, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • pnb 2250 exam 3
  • PNB 2250
  • PNB 2250
avatar-seller
Nipsey
PNB 2250 Exam 3 UCONN Questions And Answers
With Real Tests
The loss of digestive wastes, CO2 and NH4+ are examples of _______________. ANS excretion



The regulation of H2O and solutes is via ___________________. ANS osmoregulation


Water moves from an area of ________ (low, high) osmolarity to an area of __________ (low, high)
osmolarity ANS low, high


___________: a chemical dissolved in a solvent (H2O is the only solvent we are interested in) [6.02].
___________s occupy space within H2O ANS solute


Osmolarity : measure of the number of ____________ per _________ of H2O, expressed as
osmoles/liter (OsM/L) or milliosmoles/liter (mOsM/L). ANS solutes, liter


Hypertonic (hyperosmotic): a comparison of the osmolarity of two solutions, with one solution have
a ___________ number of solutes (and less H2O) than the other solution. ANS greater


Hypotonic (hypoosmotic): again a comparison of the the osmolarity of two solutions, with one
solution have ___________ solutes (and more H2O) than the other solution. ANS fewer



Isotonic (isoosmotic): two solutions with the _________ osmolarity and H2O content. ANS same


Which solution has the highest osmolarity?


A) 1M/L sucrose
B) 1M/L NaCl
C) 0.1M/L CaCl2

D) 1M/L ZnCl2 ANS D

, The movement of water across the cell membrane can ___________ cells ANS destroy


Because of the factors affecting diffusion, H2O will move from an area of higher concentration (low
osmolarity) to an area of lower concentration (higher osmolarity) if the cell membrane is permeable
to H2O [6.03]. The movement of H2O in this way is a very powerful force, capable of rupturing
membranes and causing damage to animals. This force is known as ________________
________________. ANS osmotic pressure


Placement of cells into which solution will cause them to burst?


A) Isotonic
B) Hypotonic

C) Hypertonic ANS B


Placement of cells in a ______________ solution (more H2O outside than inside the cell) causes
H2O to rush into the cell, bursting it ANS hypotonic


Placement of cells in a _______________ solution (less H2O outside than inside the cell) causes
H2O to leave the cell ANS hypertonic



Small solutes need integral ______________ to pass through the membrane ANS proteins


Solutes or water can cross a cell membrane via ___________, _______________, or
______________ ANS pumps, transporters, channels



Membrane solute permeability can require ______ ANS ATP


________ have a solute-binding pocket exposed to the extracellular or intracellular aqueous
environment. After solute binding, the energy inside _____ is used to drive a reversible
conformational movement of the protein that exposes the solute-binding pocket to the other face of
the membrane. ANS pumps

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 Nipsey. 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)

81113 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
$11.99
  • (0)
  Add to cart