100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
BS 161 EXAM 2 2024 UPDATE [STUDY GUIDE] COMPREHENSIVE QUESTIONS AND CORRECT ANSWERS GRADE A+ GET IT 100% RIGHT $22.99
Add to cart
Quickly navigate to
Preview
  2.  
  3. BS 161
  4.  
  5. BS 161

Exam (elaborations)

BS 161 EXAM 2 2024 UPDATE [STUDY GUIDE] COMPREHENSIVE QUESTIONS AND CORRECT ANSWERS GRADE A+ GET IT 100% RIGHT

1 review
 0 purchase
  • Course
  • BS 161
  • Institution
  • BS 161

BS 161 EXAM 2 2024 UPDATE [STUDY GUIDE] COMPREHENSIVE QUESTIONS AND CORRECT ANSWERS GRADE A+ GET IT 100% RIGHT

Preview 4 out of 39  pages

Document information

  • May 29, 2024
  • 39
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

Written for

  • BS 161
  • BS 161

1  review

review-writer-avatar

By: TheAlphanurse • 8 months ago

Seller

avatar-seller
MEGAMINDS

Reviews received

Content preview

BS 161 EXAM 2 [STUDY GUIDE] COMPREHENSIVE
QUESTIONS AND CORRECT ANSWERS GRADE A+
GET IT 100% RIGHT


Molecules that are _______ and _______ are able to move across the
cell membrane via simple diffusion. - (correct answer) hydrophobic
and small


At equilibrium, there will be no net movement of molecules across the
cell membrane. True or false? - (correct answer) True.


Simple diffusion of a molecule down its concentration gradient requires
an input of energy to the system. True or false? - (correct answer)
False.


Which of the answer choices correctly describes the movement of
water across a selectively permeable membrane during osmosis?
a. The water will move from high water concentration to low water
concentration.
b. The water will move from low solute concentration to high solute
concentration.
c. Either of these descriptions is correct and equivalent. - (correct
answer) c. Either of these descriptions is correct and equivalent.
As molecules move down their concentration gradient, from a more
ordered state, entropy is:

,a. remaining the same
b. decreasing
c. increasing - (correct answer) c. increasing


Diffusion is best described as the random movement of molecules
influences by:
a. the thermal energy of the environment and the width of the plasma
membrane.
b. the width of the plasma membrane of the cell.
c. the thermal energy of the environment.
d. energy transferred from the molecular collisions in the cell.
e. the thermal energy of the environment and energy transferred from
molecular collisions in the cell. - (correct answer) e. the thermal
energy of the environment and energy transferred from molecular
collisions in the cell.




A container is divided into two compartments by a membrane that is
fully permeable to water and small ions. Water is added to one side of
the membrane (side A), and a 5% solution of sodium chloride (NaCl) is
added to the other side (side B). If allowed to reach equilibrium, which
of the answer choices would you predict?
a. The NaCl concentration on side A and side B will each be 5%.
b. The NaCl concentration on side A and side B will each be 2.5%.
c. The level of solution on side B will be higher than side A.

,d. The level of solution on side A will be higher than side B. - (correct
answer) b. The NaCl concentration on side A and side B will each be
2.5%.


A container is divided into two compartments by a membrane that is
fully permeable to water but not to larger molecules. Water is added to
one side of the membrane (side A), and an equal volume of 5% solution
of glucose is added to the other (side B). What would you predict will
happen?
a. Glucose will diffuse from side B to side A.
b. Glucose will diffuse from side A to side B.
c. The water level on side A will increase and on side B will decrease.
d. The water level on side B will increase and on side A will decrease. -
(correct answer) d. The water level on side B will increase and on side
A will decrease.


The defining characteristics of active transport are that this category of
transport moves substances ______ their concentration gradient and
requires _____. - (correct answer) against; energy


Which of the answer choices would be the best analogy for an
electrochemical gradient across a cellular membrane?
a. an electric generator
b. a battery
c. a light bulb

, d. a waterfall
e. a water pump - (correct answer) b. a battery


Which one of the following is NOT a component of an animal cell's
plasma membrane?
a. protein
b. nucleic acid
c. lipid
d. carbohydrate - (correct answer) b. nucleic acid


Long, saturated fatty acid tails _____ lipid mobility and _____
membrane fluidity.
a. reduce; decrease
b. enhance; maintain
c. maintain; decrease
d. reduce; increase
e. enhance; increase - (correct answer) a. reduce; decrease


Phospholipids spontaneously form a variety of structures in aqueous
solution. Which choice best describes this property?
a. the ability of vesicles to bud off from the plasma membrane.
b. all of these choices are correct.
c. formation of lipid bilayers.

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 MEGAMINDS. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $22.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

63950 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 15 years now

Start selling

Recently viewed by you

Exam (elaborations) ·

(0)

WILLIAMS' BASIC NUTRITION & DIET THERAPY 16TH EDITION BY STACI NIX MCINTOSH MS RD CD (AUTHOR) LATEST UPDATE.

Exam (elaborations) ·

(0)

SDI Computer Nitrox TDI SDI Computer Nitrox eLearning Chapter Questions and Answers | Latest Update 2024/2025

Exam (elaborations) ·

(0)

NR 547 MIDTERM EXAM 2024 QUESTIONS AND ANSWERS (VERIFIED) 100% CORRECT SOLUTIONS WITH RATIONALE| A + GRADE

Exam (elaborations) ·

(0)

STATE FARM INDEPENDENT AUTO EXAM QUESTIONS AND CORRECT DETAILED ANSWERS | EVERYTHING YOU NEED TO PASS with A+

Exam (elaborations) ·

(0)

Wong's Essentials of Pediatric Nursing 11th Edition Hockenberry Rodgers Wilson Test Bank | Chapter 1-34

Exam (elaborations) ·

(0)

TEST BANK for A History of Latin America 9th Edition by Keen Benjamin & Haynes Keith | Complete 22 Chapters

Exam (elaborations) ·

(1)

2023 AQA A-level BUSINESS 7132/3 Paper 3 Business 3 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

Exam (elaborations) ·

(0)

BIBL 104 / BIBL-104 The Gospels Week 5 quiz/ 202140 Fall 2021 BIBL 104-B94 LUO Test Quiz: The Gospels; Attempt Score 47 out of 50 points (Sept 2021)

Exam (elaborations) ·

(0)

Exam (elaborations) TEST BANK FOR Probability and Random Processes for Electrical and Computer Engineers By John A. Gubner (Solution Guide)

$22.99
  • (1)
Add to cart
Added