Homework Answers
Answer b
More closely related the organisms are , there is more similarity between their DNA sequences. In a hybridisation experiment , we use DNA probes that are complimentary to the test sample. Suppose we have the DNA probe from a species, and we have to check if out sample is related. We conduct hybridisation experiment with the probe that we have.
This hybridisation prove binds to the complimentary strand of the DNA sample. If the DNA sample sequence and probe sequence are similar , they bind to each other properly giving a nice double strand. If yhe sequence are not similar , there will be loops and bulges in places where the variation is there.
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A nucleic acid hybridization experiment produced the following results. Which of the attached figures shows the...
Which of the following statements is FALSE about Southern blotting? a) smaller nucleic acid fragments move...
Which of the following statements is FALSE about Southern blotting? a) smaller nucleic acid fragments move faster than larger nucleic acid fragments in gels b) a hybridization probe for Southern blot can be single stranded DNA or RNA c) In most cases, DNA is cut with a restriction enzyme prior to gel electrophoresis d) smaller hybridization probes will always detect smaller DNA fragments than larger probes e) Southern blotting is used to analyze DNA
Figure 21 CO ah--o-o __ d. HCOO-C-CHE . HC- cy 18) In Figure 2.1, which is...
Figure 21 CO ah--o-o __ d. HCOO-C-CHE . HC- cy 18) In Figure 2.1, which is an alcohol? B) b A) a 9c D) E) e Figure 23 HONCHO -CH- OH 19) What kind of bond is at the arrow in Figure 2.37 A) hydrogen bond B) ionic bond C) peptide bond D) double covalent bond E) disulfide bridge 20) Starch, dextran, glycogen, and cellulose are polymers of A) amino acids. B) acids. C) nucleic acids. D) glucose. E) fatty...
• 7. This image shows results of a(n) stain: A. Spore; B. Acid Fast; C. Gram;...
• 7. This image shows results of a(n) stain: A. Spore; B. Acid Fast; C. Gram; D. Capsule 8. is the primary stain for this procedure. 9. Identify the organisms shown as to staining reaction and morphology.
• 7. This image shows results of a(n). stain: A. Spore; B. Acid Fast; C. Gram;...
• 7. This image shows results of a(n). stain: A. Spore; B. Acid Fast; C. Gram; D. Capsule 8. is the primary stain for this procedure. • 9. Identify the organisms shown as to staining reaction and morphology. Show transcribed image text
9. An alteration in the nucleic acid sequence in which a specific restriction endonuclease cuts can...
9. An alteration in the nucleic acid sequence in which a specific restriction endonuclease cuts can be detected by a. ELISA b. flow cytometry c. RFLP d. FISH 10. Which of the following techniques enables the identification of a particular sequence of nucleic acid on a cell or tissue? a. northern blot b. western Blot c. FISH d. southern blot 11. The polymerase chain reaction is used to a. convert RNA back into DNA b. amplify a target nucleic acid...
.Select the probe sequence that will hybridize to the following nucleic acid sequence: C G A...
.Select the probe sequence that will hybridize to the following nucleic acid sequence: C G A T A T T G T C A. T A G T A C A A G A B. C G A T A T T G T C C. G T C A A G A C C T D G C T A T A A C A G Select the strand of RNA that is complementary to this single strand of...
Which of the following reaction sequences best describes the formation of the nucleic acid in the...
Which of the following reaction sequences best describes the formation of the nucleic acid in the biosynthesis of DNA? A) nucleophilic attack of a 5'-OH group of one nucleotide on the B-phosphorus of another B) nucleophilic attack of a 5'-OH group of one nucleotide on the a-phosphorus of another C) nucleophilic attack of a 3'-OH group of a nucleotide on the y-phosphorus of another D) nucleophilic attack of a 3'-OH group of one nucleotide on the B-phosphorus of another E)...
Which of the following antibiotics would be considered "broad spectrum?" A. erythromycin B. isoniazid C. penicillin...
Which of the following antibiotics would be considered "broad spectrum?" A. erythromycin B. isoniazid C. penicillin D. all of the above E. none of the above Which of the following is FALSE? A. The most dangerous pathogens would require BSL-1. B. Physical controls are the usual choice for disinfection, antisepsis, and preservation. C. There are many antibacterial drugs because there are so many differences between pro- and eukaryotic cells. D. Once viruses complete the Entry phase, they cannot be harmed...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is on the outer part of the DNA double helix while the nitrogen bases are on the inside of the double helix? A) The sugar phosphate backbone is hydrophilic while the bases are hydrophobic. B) The sugar phosphate backbone is hydrophobic while the bases are hydrophilic. C) The sugar phosphate backbones of the two strands are bonded together. D) The nitrogen bases are covalently bonded...
Use the following to answer the questions below: For each of the nucleic acid situations, select...
Use the following to answer the questions below: For each of the nucleic acid situations, select the process with which it is associated using the response list. Responses may be used more than once or need not be used at all. a) translation phase of protein synthesis b) transcription phase of protein synthesis c) replication of DNA d) post-transcription phase of protein synthesis Okazaki fragments are formed.
Figure 21 CO ah--o-o __ d. HCOO-C-CHE . HC- cy 18) In Figure 2.1, which is an alcohol? B) b A) a 9c D) E) e Figure 23 HONCHO -CH- OH 19) What kind of bond is at the arrow in Figure 2.37 A) hydrogen bond B) ionic bond C) peptide bond D) double covalent bond E) disulfide bridge 20) Starch, dextran, glycogen, and cellulose are polymers of A) amino acids. B) acids. C) nucleic acids. D) glucose. E) fatty...
• 7. This image shows results of a(n) stain: A. Spore; B. Acid Fast; C. Gram; D. Capsule 8. is the primary stain for this procedure. 9. Identify the organisms shown as to staining reaction and morphology.
• 7. This image shows results of a(n). stain: A. Spore; B. Acid Fast; C. Gram; D. Capsule 8. is the primary stain for this procedure. • 9. Identify the organisms shown as to staining reaction and morphology. Show transcribed image text
Which of the following reaction sequences best describes the formation of the nucleic acid in the biosynthesis of DNA? A) nucleophilic attack of a 5'-OH group of one nucleotide on the B-phosphorus of another B) nucleophilic attack of a 5'-OH group of one nucleotide on the a-phosphorus of another C) nucleophilic attack of a 3'-OH group of a nucleotide on the y-phosphorus of another D) nucleophilic attack of a 3'-OH group of one nucleotide on the B-phosphorus of another E)...
4. Which of the following statements best describes why the sugar phosphate nucleic acid backbone is on the outer part of the DNA double helix while the nitrogen bases are on the inside of the double helix? A) The sugar phosphate backbone is hydrophilic while the bases are hydrophobic. B) The sugar phosphate backbone is hydrophobic while the bases are hydrophilic. C) The sugar phosphate backbones of the two strands are bonded together. D) The nitrogen bases are covalently bonded...
Use the following to answer the questions below: For each of the nucleic acid situations, select the process with which it is associated using the response list. Responses may be used more than once or need not be used at all. a) translation phase of protein synthesis b) transcription phase of protein synthesis c) replication of DNA d) post-transcription phase of protein synthesis Okazaki fragments are formed.
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