100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Test bank for biochemistry 1st edition miesfeld full chapter $13.49   Add to cart

Exam (elaborations)

Test bank for biochemistry 1st edition miesfeld full chapter

 7 views  0 purchase
  • Course
  • Biochemistry 1st edition miesfeld full chapter
  • Institution
  • Biochemistry 1st Edition Miesfeld Full Chapter

Test bank for biochemistry 1st edition miesfeld full chapter

Preview 4 out of 127  pages

  • August 25, 2024
  • 127
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
book image

Book Title:

Author(s):

  • Edition:
  • ISBN:
  • Edition:
  • Biochemistry 1st edition miesfeld full chapter
  • Biochemistry 1st edition miesfeld full chapter
avatar-seller
ScholarSuccess
,DOWNLOAD THE Test Bank for Biochemistry 1st Edition Miesfeld
II II II II II II II II




Chapter 2: Physical Biochemistry: Energy Conversion, Water, and Membranes
II II II II II II II II




LEARNING OBJECTIVES II




2.1 Energy Conversion in Biological Systems
II II II II 2.2 Water Is Critical for Life Processes
II II II II II




2.1.a. Describe how sunlight is the source of all energy on
II II II II II II II II II 2.2.a. Identify hydrogen bond donors and hydrogen bond II II II II II II



Earth.
II acceptors.
II




2.1.b. Differentiate between autotrophs and heterotrophs. II II II II 2.2.b. Describe how an antifreeze protein functions. II II II II II




2.1.c. Explain the role of oxidation-reduction reactions in
II II II II II II 2.2.c. Differentiate among hydrogen bonds, ionic II II II II


biological systems.
II II interactions, and van der Waals interactions.
II II II II II II




2.1.d. Differentiate between a system and its surroundings. II II II II II II 2.2.d. State the concept of the hydrophobic effect and how
II II II II II II II II



it impacts protein folding.
II II II II


2.1.e. Differentiate among open, closed, and isolated II II II II II



systems.
II 2.2.e. Explain the impacts of hypotonic, isotonic, and II II II II II II



hypertonic solutions on cells.
II II II II


2.1.f. Explain the first law of thermodynamics as it applies
II II II II II II II II


to biological systems.
II II II 2.2.f. Identify the important aspects of plant, fungi, and II II II II II II II



bacterial cells that allow them to survive in a hypotonic
II II II II II II II II II II


2.1.g. Differentiate between endothermic and exothermic II II II II
environment.
II


reactions.
II


2.2.g. Calculate the concentration of H+ or OH– given II II II II
II
II
II



2.1.h. State the second law of thermodynamics as it applies
II II II II II II II II
the OH– or H+ concentration.
II II
I I
II
I I



to biological systems.
II II II



2.2.h. Relate pH to the concentration of H+ or OH–. II II II II II II
I I
II


2.1.i. Explain the concept of entropy and its role in
II II II II II II II II



biological systems.
II II 2.2.i. Differentiate between weak acids and strong acids II II II II II II


and between weak bases and strong bases.
II II II II II II II


2.1.j. Define Gibbs free energy, its relation to enthalpy and
II II II II II II II II



entropy, and its relation to equilibrium.
II II II II II II 2.2.j. Relate pH to pKa using the Henderson-Hasselbalch
II II II II II II


equation.
II


2.1.k. Identify the impacts of enthalpy, entropy, and
II II II I II II


temperature on free energy.
II II II II
2.3 Cell Membranes Function as Selective Hydrophobic
II II II II II


Barriers
II

2.1.l. Differentiate between standard state condition and the II II II II II II



biochemical standard state.
II II II
2.3.a. Identify the characteristics of a phospholipid that II II II II II II



contribute to membrane formation.
II II II II

2.1.m. Differentiate between exergonic and endergonic II II II II


reactions and explain how such reactions are coupled in
II II II II II II II II II
2.3.b. Relate the degree of saturation in phospholipids to
II II II II II II II

biological systems.
II II
the fluidity of the membrane.
II II II II II




2.1.n. Identify the characteristics of the ATP molecule
II II II II II II
2.3.c. Explain the various ways cholesterol impacts II II II II II

that provide such a large standard free energy change for
II II II II II II II II II II
membrane structure.
II II

phosphoanhydride bond cleavage.
II II II



2.3.d. Differentiate among the different types of membranes II II II II II II

2.1.o. Describe the relationship between energy charge and
II II II II II II
found in a eukaryotic cell.
II II II II II

concentrations of ATP, ADP, and AMP.
II II II II II II

,DOWNLOAD THE Test Bank for Biochemistry 1st Edition Miesfeld
II II II II II II II II




Chapter 2: Physical Biochemistry: Energy Conversion, Water, and Membranes
II II II II II II II II




MULTIPLE CHOICE II




1. Energy conversion in living systems is required for what three types of work?
I I I I I I I I I I I I I I I I I I I I I I I I



a. osmotic work, chemical work, mechanical work I I I I I I I I I I



b. osmotic work, chemical work, potential work I I I I I I I I I I



c. kinetic work, chemical work, mechanical work I I I I I I I I I I



d. osmotic work, photosynthetic work, mechanical work I I I I I I I I I I




ANS: A DIF: Easy
I I REF: 2.1 I I



OBJ: 2.1.a. Describe how sunlight is the source of all energy on Earth.
I I II II II II II II II II II II II



MSC: Remembering
I I I I




2. What chemical process is able to take place in the presence of solar energy?
I I I I I I I I I I I I I I I I I I I I I I I I I I



a. anaerobic respiration I I



b. photosynthesis
c. hydrogenation
d. hydrolysis
ANS: B DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.a. Describe how sunlight is the source of all energy on Earth.
I I II II II II II II II II II II II



MSC: Remembering
I I I I




3. Which of the following is the correct solar energy reaction that takes place on the sun?
I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I



a. 4 He  4He II II II



b. 4He  4 He II II II



c. 4 H  4He II II II



d. 4H  4 H II II II




ANS: C DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.a. Describe how sunlight is the source of all energy on Earth.
I I II II II II II II II II II II II



MSC: Understanding
I I I I




4. What is the final molecule made from the oxidation of H2O by solar energy?
I I I I I I I I I I I I I I I I I I I I II II II



a. ozone
b. glucose
c. fructose
d. carbon dioxide I I




ANS: B DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.c. Explain the role of oxidation-reduction
I I I I I I I I I I I I I I reactions in biological I I I I



systems. MSC: Understanding
I I II I I




5. The difference between an oxidation reaction and a reduction reaction is that oxidation is
I I I I I I I I I I I I I I I I I I I I I I I I I I



the
I I



and reduction is the . I I I I I I I I I I



a. loss of electrons; gain of electrons I I I I I I I I I I



b. gain of electrons; loss of electrons I I I I I I I I I I



c. loss of protons; gain of protons I I I I I I I I I I



d. gain of protons; loss of protons I I I I I I I I I I




ANS: A DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.c. Explain the role of oxidation-reduction
I I I I I I I I I I I I I I reactions in biological I I I I



systems. MSC: Analyzing
I I II I I




1

mynursytest.store

, DOWNLOAD THE Test Bank for Biochemistry 1st Edition Miesfeld
II II II II II II II II




6. Which of the following correctly describes the relationship between an ice cube melting
I I I I I I I I I I I I I I I I I I I I I I I I



on the table and the air surrounding it?
I I I I II II II II II II



a. The ice cube is the system and the air is the surroundings.
II II II II II II II II II II II



b. The air is the system and the ice cube is the surroundings.
II II II II II II II II II II II



c. The ice cube is the system and only the air is the universe.
II I I I I I I I I I I I I I I I I I I I I I I



d. The air is the system and only the ice cube is the universe.
II I I I I I I I I I I I I I I I I I I I I I I




ANS: A DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.d. Differentiate between a system and its surroundings.
I I II II II II II II II



MSC: Evaluating
II I I




7. Which of the following is an example of a system?
I I I I I I I I I I I I I I I I I I



a. the universe I I



b. the air I I



c. a test tube with reaction components
I I I I I I I I I I



d. outer space I I




ANS: C DIF: Easy
I I REF: 2.1 I I



OBJ: 2.1.d. Differentiate between a system and its surroundings.
I I II II II II II II II



MSC: Understanding
II I I




8. A hot pack on your arm is an example of what kind of system?
I I I I I I I I I I I I I I I I I I I I I I I I I I



a. open
b. closed
c. isolated
d. surroundings
ANS: B DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.e. Differentiate among open, closed, and isolated systems.
I I II II II II II II II



IMSC: Applying
I I I




9. Which of the following best describes an open system?
I I I I I I I I I I I I I I I I



a. Matter and energy are freely exchanged with the surroundings.
I I I I I I I I I I I I I I I I



b. Energy is exchanged with the surroundings but matter is not.
I I I I I I I I I I I I I I I I I I



c. Matter is exchanged with the surroundings but energy is not.
I I I I I I I I I I I I I I I I I I



d. Neither matter nor energy is exchanged with the surroundings.I I I I I I I I I I I I I I I I




ANS: A DIF: Easy
I I REF: 2.1 I I



OBJ: 2.1.e. Differentiate among open, closed, and isolated systems.
I I II II II II II II II



IMSC: Understanding
I I I




10. Which of the following best defines the first law of thermodynamics?
I I I I I I I I I I I I I I I I I I I I



a. All spontaneous processes in the universe tend toward dispersal of energy.
I I I I I I I I I I I I I I I I I I I I



b. Total amount of energy in the universe is a constant.
I I I I I I I I I I I I I I I I I I



c. There is no entropy at zero Kelvin. I I I I I I I I I I I I



d. Entropy is a measure of disorder. II I I I I I I I I




ANS: B DIF: Medium
I I REF: 2.1 I I



OBJ: 2.1.f. Explain the first law of thermodynamics as it applies to biological
I I I I I I I I I I I I I I I I I I I I I I I I



systems. MSC: Understanding
I I II I I




2

mynursytest.store

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 ScholarSuccess. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

71184 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
$13.49
  • (0)
  Add to cart