Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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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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AKS 5c1: Which of the following models BEST represents protein synthesis? *
O MRNA (UAC AAA) - DNA (ATG TTT)
Amino Acid Sequence (Lysine-Alanine)
- Amino Acid Sequence (Methionine-
DNA (TAC AAA) RNA (AUG UUU)
Phenylalanine)
RNA (AUG UUU) DNA (TAC
Amino Acid Sequence (Methionine-Phenylalanine)
AAA)
DNA (AUG UUU) RNA (TAC AAA)
Phenylalanine)
- Amino Acid Sequence (Methionine-
AKS 5c1: Using codon wheel below, which of the models correctly represents the
usage of the base pairing rule, the correct sequence of events, and creation of
proteins at the ribosomes? *
Descrive in 2-3 sentences an in vitro experiment that differentiates between the Arp2/3 complex’ ability to associate with both the side of the ‘mother’ actin filament and with the barbed end of the ‘mother’ actin filament. Your experiment should take advantage of capping protein (binds and blocks barbed ends), and direct visualization of actin filaments.
AKS 5c1: Given the statements below, what is the correct sequence of events for
protein synthesis? *
1. DNA is used as a template to create mRNA
2. Amino acids are bonded together to make a polypeptide
3. MRNA molecule binds to a ribosome
4. The ribosome releases both the mRNA molecule and the polypeptide
5. TRNA binds to the ribosome
O 1, 2,3, 4, 5
1,3, 5, 2, 4
2, 4, 1, 5, 3
4, 2, 1, 5, 3
AKS 5c1: The model below represents the process of protein synthesis. What is
Chapter 12 Solutions
Campbell Biology: Custom Edition
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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