CAMPBELL'S BIOLOGY 12E PERUSALL
12th Edition
ISBN: 9780135858080
Author: Urry
Publisher: PERUSALL
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Textbook Question
Chapter 12.3, Problem 1CC
In Figure 12.14, why do the nuclei resulting from experiment 2 contain different amounts of DNA?
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Question 2
The discovery of the DNA structure started the modern era of biotechnology.
A) True
B False
At the end of an experiment, you extract DNA from ten yeast colonies. You divide the DNA from each colony into two tubes, and send all twenty samples for sequencing. How many experimental replicates do you have?
In John Gurdon's nuclear-transfer experiments, he used nuclei from tadpole intestinal cells. Do you
think he would have had more success or less success if he had taken cells from a blastula? From an
adult frog? Please briefly justify your answers
Chapter 12 Solutions
CAMPBELL'S BIOLOGY 12E PERUSALL
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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- QUESTION 4: Why does a PCR reaction require a primer? Would you expect this primer to be composed of DNA or RNA? Explain your reasoning.arrow_forwardIf you are given a sample of chromosomal DNA, what experiment could you perform to determine whether the DNA is prokaryotic or eukaryotic? What would your hypothesis be and describe how your expected results would be supported or not supported?arrow_forwardQuestion 1 Review DNA sequencing, which method uses a dideoxy chain termination? Next-generation sequencing (NGS) Sanger sequencing the third generation sequencingarrow_forward
- In three sentences describe how Sanger sequencing worksarrow_forwardDNA is isolated from concentrated ocean water. One genome is studied, and the proportion of each nucleotide is A = 15%, C = 35%, G = 35% and T = 15%. Is this genome from a dsDNA or ssDNA organism? Explain your reasoning. Is this organism AT-rich or GC-rich?arrow_forwardThe genome of a typical bacterium contains about 5 x 106 base pairs, and can be replicated in about 30 minutes. The human genome is 600 times larger (3 × 10° base pairs), and at the rate of a bacterium, it would require 300 hours (~12 days) to be replicated; yet the entire human genome can be replicated within several hours. How is this possible?arrow_forward
- Question 9arrow_forwardQUESTION 24 What is a cloning vector? Give two examples.arrow_forwardThere are three basic steps of DNA extraction: cell lysis, separation, and extraction. In the procedure for extracting DNA from human cheek cells, which parts belong to or explain the aforementioned three basic steps? You may refer to the following procedure: http://www.planet-science.com/categories/experiments/biology/2012/03/extract-your-own-dna.aspxarrow_forward
- A person cannot see a single cotton thread 100 feet away, but if you wound thousands of threads together into a rope, it would be visible much further away. Is this statement analogous to our DNA extraction? Explain.arrow_forwardQUESTION 9 Imagine that a researcher has a cell from a genetically engineered organism and a clone of that same organism. The researcher uses PCR and then runs a DNA fingerprint on the two samples. What should the researcher find on the gel? O A. The gel will be blank because the heat from the PCR will destroy the DNA. OR The gel will be blank because the heat from the PCR will change the charge of the DNA and cause it to run in the opposite direction, off of the gel and into the buffer. OC. The DNA banding pattern for the two organisms will be identical. O D. The DNA banding pattern for the two organisms will be different because every organism has original DNA.arrow_forwardA person can't see a single cotton thread for classrooms away. But if you wound thousands of them together into a rope, it'd be visible at the same distance. How is this statement an analogy to the DNA extraction of a strawberry?arrow_forward
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