MICROBIOLOGY W/ACCESS
4th Edition
ISBN: 9781266808685
Author: Cowan
Publisher: MCG
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Chapter 17, Problem 12TF
Summary Introduction
Introduction:
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Complete the sentences. Each term may be used more than once.
In a circular bacterial chromosome, the structure of DNA is a
If DNA is twisted in the
Overwinding results in
If DNA is twisted in the
Underwinding results in
One effect of
double helix.
direction, it becomes overwound.
supercoiling.
direction, it becomes underwound.
supercoiling.
double helix.
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positive
negative
right-handed
left-handed
supercoiling in bacterial chromosomes is to promote separation of the two strands of DNA in the
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Quèstion 4
What determines the code, or information, of a DNA molecule?
O 1. the shape (structure) of the nitrogen bases
O 2. the order (sequence) of the nitrogen bases
3. the color of the nitrogen bases
O 4. the frequency (number) of nitrogen bases
5. All of these
A Moving to another question will save this response.
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Directions: The following story is about a crime solved through biotechnological techniques. The techniques used are DNA fingerprinting and polymerase chain reaction (PCR). DNA fingerprinting is a technique in which an individual’s DNA is analyzed to reveal the pattern of particular short nucleotide sequences. This pattern is claimed to be unique to the individual concerned and can thus be used for identification purposes. Polymerase chain reaction, on the other hand, is a technique used to replicate a DNA fragment so as to produce many copies of a particular DNA sequence. Why do you think there’s a need to generate several copies of the DNA? You will learn the answers to this as you go through the story. Read the story carefully and answer the questions that follow.
Chapter 17 Solutions
MICROBIOLOGY W/ACCESS
Ch. 17.1 - Prob. 1AYPCh. 17.1 - Prob. 2AYPCh. 17.1 - Prob. 3AYPCh. 17.1 - Prob. 4AYPCh. 17.2 - Summarize the most common methods used for direct...Ch. 17.2 - Prob. 6AYPCh. 17.2 - Prob. 7AYPCh. 17.3 - Prob. 2CFCh. 17.3 - Prob. 8AYPCh. 17.3 - Prob. 9AYP
Ch. 17.3 - Prob. 10AYPCh. 17.3 - Prob. 11AYPCh. 17.3 - Differentiate between sensitivity and specificity.Ch. 17.3 - Explain how fluorescent antibodies can be used in...Ch. 17.3 - Prob. 14AYPCh. 17.4 - Prob. 15AYPCh. 17.4 - Prob. 16AYPCh. 17.4 - Prob. 17AYPCh. 17.5 - Prob. 18AYPCh. 17.5 - List the major advantages of microarray methods of...Ch. 17.5 - Summarize the benefits of using whole-genome...Ch. 17.5 - Prob. 21AYPCh. 17 - Prob. 1CFCh. 17 - Prob. 1MCQCh. 17 - Prob. 2MCQCh. 17 - Prob. 3MCQCh. 17 - Prob. 4MCQCh. 17 - Prob. 5MCQCh. 17 - Prob. 6MCQCh. 17 - Prob. 7MCQCh. 17 - Prob. 8MCQCh. 17 - The Western blot test can be used to identify a....Ch. 17 - Prob. 10MCQCh. 17 - True-False Questions. If the statement is true,...Ch. 17 - Prob. 12TFCh. 17 - Prob. 13TFCh. 17 - Prob. 14TFCh. 17 - Prob. 15TFCh. 17 - Explain why specimens should be taken aseptically,...Ch. 17 - Prob. 2CTQCh. 17 - Prob. 3CTQCh. 17 - Prob. 4CTQCh. 17 - Prob. 5CTQCh. 17 - Prob. 6CTQCh. 17 - Prob. 7CTQCh. 17 - Prob. 8CTQCh. 17 - Prob. 9CTQCh. 17 - Prob. 10CTQCh. 17 - Prob. 1CCCh. 17 - Prob. 2CCCh. 17 - Prob. 3CCCh. 17 - Prob. 4CCCh. 17 - Prob. 1VCCh. 17 - Prob. 2VCCh. 17 - Prob. 1CM
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- Writing a Full Strand:1. A. Original DNA: CCT ATA TCT CTC TAT ATC TCT CAT ACT GTG TGT CTC TAT Complementary DNA:_______________________________________________________________________ B. Make identical strands of DNA CCT ATA TCT CTC TAT ATC TCT CAT ACT GTG TGT CTC TAT (original) ______________________________________________________________________ (new) _____________________________________________________________________ (new) ______________________________________________________________________ (complementary from 1A)2. A. Original DNA: CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT Complementary DNA: _______________________________________________________________________ B. Make identical strands of DNA CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT (original) _______________________________________________________________________ (new) ________________________________________________________________________ (new)…arrow_forwardDirections: The following story is about a crime solved through biotechnological techniques. The techniques used are DNA fingerprinting and polymerase chain reaction (PCR). DNA fingerprinting is a technique in which an individual’s DNA is analyzed to reveal the pattern of particular short nucleotide sequences. This pattern is claimed to be unique to the individual concerned and can thus be used for identification purposes. Polymerase chain reaction, on the other hand, is a technique used to replicate a DNA fragment so as to produce many copies of a particular DNA sequence. Why do you think there’s a need to generate several copies of the DNA? You will learn the answers to this as you go through the story. Read the story carefully and answer the questions that follow. Questions: 1. How did the investigators conclude that the suspect was indeed the murderer? 2. What if a strand of hair was found in the truck bed instead of a seed pod, do you think it will still lead to the…arrow_forwardDNA Fingerprinting Analysis Case: Mr. Chan’s family consists of mom, dad, and four kids. The parents have one daughter and one son together, another daughter is from the mother’s previous marriage, and the other son is adopted. Here are the DNA analysis results: QUESTIONS: Which child is adopted? Which child is the mother’s previous marriage? Who are the own children of Mr and Mrs Chan?arrow_forward
- Discuss about the use of genetically modified milk from animals for human baby consumption. Are you agree or disagree with this? List down your pointers to this topicarrow_forwardMoving to another question will save this response. Question 14 Which of the following best describes a DNA molecule? O1.contains ribose O 2. double helix 3. made of amino acids O 4. contains uracil 5. none of these A Moving to another question will save this response. יו1 ה- AR SONYarrow_forwardCould you please help me with the following questions? I am struggling tremendously. Thanks so much! Some organisms can live in hot springs. What does this imply about their DNA?arrow_forward
- I need help defining what is DNA Chromatography.arrow_forwardWatch the video below. video url https://www.youtube.com/watch?v=KDOzr UOAU-w Then answer the following questions 1, Can a DNA test tell you where someone is from and "who" which ethnic group they are from? 2, Why? 3, How do the answers that the judge and journalist gave to these questions differ in the video 4,Would you do such a test If money was not an issue? 5, did you learn anything interesting from the video?arrow_forwardComplete the sentences about unusual DNA structures. is a DNA repeat that does not have a complementary sequence in the same strand. some secondary structures. Any sequence, such as a palindrome, that can be rotated 180° horizontally and 180° vertically such that it superimposes a sequence repeat on another sequence is In refers to self-complementarity within a strand. This sequence may contribute to the formation of A four-stranded, right-handed helix formed by a DNA segment containing a high proportion of guanine residues is known as The sequence An example of an inverted repeat that occurs within a single DNA strand is -GTGAG... .CTCAC- -CACTC. .GAGTG- interstrand hydrogen bonds break and intrastrand hydrogen bonds form. .. is which has the potential to form can form when a polynucleotide strand forms major groove of a homopurine-homopyrimidine duplex that contains a mirror repeat. A single DNA strand with the sequence - ATATG with functional groups in the CATAT- can form a…arrow_forward
- Copy and paste the link below and watch the video in Youtube and Answer the Questionshttps://www.youtube.com/watch?v=8RBs0Ghg_48 Gel electrophoresis Questions 1. What are the chemicals and materials used in gel electrophoresis? 2. Draw a schematic diagram of a gel electrophoresis set-up3. Describe the procedure in doing a gel electrophoresis experiment. Why is there a need for a leveling bubble/leveler? What is the use of the rubber dam? 4. What is the use of ethidium bromide and why must you wear gloves when you handle it? 5. What makes the DNA fragment move towards the positive plate? 6. What is the purpose of glycerol in the sample buffer? 7. What is the use of a DNA ladder? 8. What will happen when you increase the voltage of the set-up? 9. Can gel electrophoresis be used to separate amino acids? If so, how is it done?arrow_forwardModified true or false. Write the correct answer if false.arrow_forwardDNA Sample : Blood Stain collected from handle of knife blood Bob Sue John Lisa stain 1. What do you notice about the black lines? 2. How do we read the gel electrophoresis? 3. Which sample are we comparing Bob, Sue, John, and Lisa's DNA to? 4. How do they compare?arrow_forward
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