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Molecular Biology of the Cell Chapter 010 Test Quiz Bank With Verified Questions & Answers 2023/2024 CA$11.76   Add to cart
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Molecular Biology of the Cell Chapter 010 Test Quiz Bank With Verified Questions & Answers 2023/2024
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Molecular Biology of the Cell Chapter 010 Test Quiz Bank With Verified Questions & Answers 2023/2024 Cell viability correct answers Membranes are essential for what? Compartments correct answers Membranes are used to establish what that have distinct and diverse functions? 1. Synthesizing ...

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  • November 23, 2023
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • chapter 010
  • test quiz bank
  • approved
  • molecular biology of the cell chapter 010
  • molecular biology of the cell
  • verified questions answers
  • membranes are essential for what
  • name three functions of membra

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Molecular Biology of the Cell Chapter 010 Test Quiz Bank With
Verified Questions & Answers 2023/2024
Cell viability correct answers Membranes are essential for what?

Compartments correct answers Membranes are used to establish what that have distinct and diverse
functions?

1. Synthesizing ATP
2. Transmitting electrical signals
3. Acting as sensor to extracellular cues correct answers Name three functions of membranes

General structure correct answers All biological membranes have a common what?

Lipid molecules and membrane associated proteins correct answers Basic structure of all cellular
membranes include what?

Phospholipids correct answers The most abundant membrane lipids are what?

A polar (water loving) head group and two hydrophobic (water fearing) hydrocarbon tails correct
answers What are phospholipids composed of?

Length (13-24 carbons) correct answers The nonpolar tails of phospholipids vary in their what?

Double bonds correct answers One of the hydrocarbon tails of a phospholipid may contain one or more
whats which impacts lipid packing within the bilayer?

The fluidity of the membrane correct answers The differences in the length of the tail plus the number of
double bonds influence what?

Phospholipids correct answers What are these structures?

Phosphoglycerides correct answers What are the main phospholipids?

A 3 carbon glycerol backbone correct answers Phosphoglycerides contain what kind of backbone?

Fatty acid tails correct answers In a phosphoglyceride, 2 carbons of the glycerol are linked to what?

Head group correct answers In a phosphoglyceride, the 3rd carbon is linked to a phosphate group which
is linked to a what?

Phosphotidylcholine correct answers Give an example of a phosphoglyceride

Lipid Bilayer correct answers What is this structure?

Phosphatidylethanolamine correct answers Identify structure

, Cholesterol correct answers What is this structure?

A: Lipid Micelle;
B: Lipid Bilayer correct answers What is A and B?

Cholesterol correct answers What is a rigid ring structure attached to a polar hydroxyl head group and
short nonpolar hydrocarbon tail?

Cholesterol correct answers What packs in between phospholipids close to the nonpolar head groups?

One cholesterol molecule present per phospholipid correct answers How many cholesterol molecules
are present per phospholipid?

The permeability-barrier properties of the bilayer correct answers Cholesterol has an impact on what
property of the lipid bilayer?

Small water soluble molecules correct answers Cholesterol makes the bilayer less permeable to what?

No correct answers Yes or No: Does cholesterol change the fluid properties of the membrane?

Composition and temperature correct answers Membrane fluidity is influenced by two factors

Long, saturated hydrocarbon tails due to differences in phospholipid packing correct answers
Membranes with short hydrocarbon tails/multiple double bonds are more fluid at lower temperatures
than membranes composed of what? Due to differences in what?

A: unsaturated hydrocarbon chains with cis-double bonds
B: saturated hydrocarbon chains correct answers Which one has unsaturated hydrocarbon chains with
cis-double bonds or saturated hydrocarbon chains?

Unsaturated phospholipids correct answers Which are thinner: Membranes composed of unsaturated
phospholipids or membranes composed of saturated phospholipids?

Within the plane of each monolayer correct answers Where does most of the movement in a layer of
phospholipid occur?

Axis correct answers Lipids rotate on their what?

Lateral diffusion correct answers Lipids exchange positions with neighboring lipids by what?

A: Lateral diffusion correct answers Which motion in the lipid layer occurs most often?

B: Flip-flop correct answers Which motion in the lipid layer is rare?

Lipid rafts correct answers Lipids molecules in the plasma membrane associate in specialized lipid
subdomains referred to as what?

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