CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
12th Edition
ISBN: 9780136920335
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 12.2, Problem 6CC
MAKE CONNECTIONS → What other functions do actin and tubulin carry out? Name the proteins they interact with to do so. (Review Figures 6.21a and 6.26a.)
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Lecture 6-Worksheet
Part 1: Below are TWO ER bound proteins. The green region is indicating the ER transfer signals.
1. Can you label the start and stop transfer signals based on the rules we just went over?
2. Draw and label these proteins.
(1)
(2)
N
N
ER lumen
Part 2: Sketch the orientation of this protein as it would appear in the transport vesicle and plasma
membrane.
membrane-enclosed
organelle
(e.g., ER or Golgi)
vesicle
plasma
membrane
1₂:0.
0-9
?
CYTOSOL
extracellular fluid
165
21. Which protein structure is most consistent for the hydropathy graph of the intrinsic membrane
protein shown below?
+168 F
+84
-84
-168
20
100
200
300
First amino acid in window
A) A seven-helix serpentine receptor
B) A Type I integral membrane protein
C) A Type Il integral membrane protein
D) A GPI-anchored protein
E) A beta-barrel protein with about 10 membrane-spanning strands.
Hydropathy index (kJ mol-1)
Chapter 12 Solutions
CAMPBELL BIOLOGY MOD MASTERING (18 WEEK)
Ch. 12.1 - How many chromosomes are drawn in each part of...Ch. 12.1 - WHAT IF? A chicken has 78 chromosomes in its...Ch. 12.2 - How many chromosomes are shown in the illustration...Ch. 12.2 - Compare cytokinesis in animal cells and plant...Ch. 12.2 - During which stages of the cell cycle does a...Ch. 12.2 - Compare the roles of tubulin and actin during...Ch. 12.2 - A kinetochore has been compared to a coupling...Ch. 12.2 - MAKE CONNECTIONS What other functions do actin...Ch. 12.3 - In Figure 12.14, why do the nuclei resulting from...Ch. 12.3 - How does MPF allow a cell to pass the G2 phase...
Ch. 12.3 - MAKE CONNECTIONS Explain how receptor tyrosine...Ch. 12 - Differentiate between these terms: chromosome,...Ch. 12 - In which of the three phases of interphase and the...Ch. 12 - Explain the significance of the G1, G2, and M...Ch. 12 - Through a microscope, you can see a cell plate...Ch. 12 - Vinblastine is a standard chemotherapeutic drug...Ch. 12 - One difference between cancer cells and normal...Ch. 12 - The decline of MPF activity at the end of mitosis...Ch. 12 - In the cells of some organisms, mitosis occurs...Ch. 12 - Which of the following does not occur during...Ch. 12 - Cell A has half as much DNA as cells B, C, and D...Ch. 12 - The drug cytochalasin B blocks the function of...Ch. 12 - VISUAL SKILLS The light micrograph shows dividing...Ch. 12 - DRAW IT Draw one eukaryotic chromosome as it would...Ch. 12 - EVOLUTION CONNECTION The result of mitosis is that...Ch. 12 - SCIENTIFIC INQUIRY Although both ends of a...Ch. 12 - WRITE ABOUT A THEME: INFORMATION The continuity of...Ch. 12 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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